Mercurial > octave
annotate liboctave/array/dSparse.cc @ 21120:499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
* schur.cc, ov-complex.h, ov-cx-mat.cc, ov-cx-sparse.cc, ov-float.h,
ov-flt-complex.h, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-range.cc,
ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.h, ov-str-mat.cc, ops.h, pt-idx.cc,
Array.cc, CColVector.cc, CMatrix.cc, CRowVector.cc, MSparse.cc, PermMatrix.cc,
Sparse.cc, dColVector.cc, dMatrix.cc, dRowVector.cc, dSparse.cc,
fCColVector.cc, fCMatrix.cc, fCRowVector.cc, fColVector.cc, fMatrix.cc,
fRowVector.cc:
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
| author | Rik <rik@octave.org> |
|---|---|
| date | Wed, 20 Jan 2016 16:58:59 -0800 |
| parents | 358aa7fcbd33 |
| children | 7cac4e7458f2 |
| rev | line source |
|---|---|
| 5164 | 1 /* |
| 2 | |
|
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3 Copyright (C) 2004-2015 David Bateman |
| 11523 | 4 Copyright (C) 1998-2004 Andy Adler |
|
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5 Copyright (C) 2010 VZLU Prague |
| 7016 | 6 |
| 7 This file is part of Octave. | |
| 5164 | 8 |
| 9 Octave is free software; you can redistribute it and/or modify it | |
| 10 under the terms of the GNU General Public License as published by the | |
| 7016 | 11 Free Software Foundation; either version 3 of the License, or (at your |
| 12 option) any later version. | |
| 5164 | 13 |
| 14 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 17 for more details. | |
| 18 | |
| 19 You should have received a copy of the GNU General Public License | |
| 7016 | 20 along with Octave; see the file COPYING. If not, see |
| 21 <http://www.gnu.org/licenses/>. | |
| 5164 | 22 |
| 23 */ | |
| 24 | |
| 25 #ifdef HAVE_CONFIG_H | |
| 26 #include <config.h> | |
| 27 #endif | |
| 28 | |
| 29 #include <cfloat> | |
| 30 | |
| 31 #include <iostream> | |
| 32 #include <vector> | |
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33 #include <functional> |
| 5164 | 34 |
| 35 #include "quit.h" | |
| 36 #include "lo-ieee.h" | |
| 37 #include "lo-mappers.h" | |
| 38 #include "f77-fcn.h" | |
| 39 #include "dRowVector.h" | |
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40 #include "oct-locbuf.h" |
| 5164 | 41 |
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42 #include "dDiagMatrix.h" |
| 5164 | 43 #include "CSparse.h" |
| 44 #include "boolSparse.h" | |
| 45 #include "dSparse.h" | |
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46 #include "functor.h" |
| 5164 | 47 #include "oct-spparms.h" |
| 48 #include "SparsedbleLU.h" | |
| 5785 | 49 #include "MatrixType.h" |
| 5451 | 50 #include "oct-sparse.h" |
| 5506 | 51 #include "sparse-util.h" |
| 52 #include "SparsedbleCHOL.h" | |
| 5610 | 53 #include "SparseQR.h" |
| 5164 | 54 |
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55 #include "Sparse-op-defs.h" |
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56 |
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57 #include "Sparse-diag-op-defs.h" |
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58 |
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59 #include "Sparse-perm-op-defs.h" |
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60 |
| 5681 | 61 // Define whether to use a basic QR solver or one that uses a Dulmange |
| 62 // Mendelsohn factorization to seperate the problem into under-determined, | |
| 63 // well-determined and over-determined parts and solves them seperately | |
| 64 #ifndef USE_QRSOLVE | |
| 65 #include "sparse-dmsolve.cc" | |
| 66 #endif | |
| 67 | |
| 5164 | 68 // Fortran functions we call. |
| 69 extern "C" | |
| 70 { | |
| 71 F77_RET_T | |
| 6242 | 72 F77_FUNC (dgbtrf, DGBTRF) (const octave_idx_type&, const octave_idx_type&, |
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73 const octave_idx_type&, const octave_idx_type&, |
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74 double*, const octave_idx_type&, |
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75 octave_idx_type*, octave_idx_type&); |
| 5164 | 76 |
| 77 F77_RET_T | |
| 11518 | 78 F77_FUNC (dgbtrs, DGBTRS) (F77_CONST_CHAR_ARG_DECL, |
| 79 const octave_idx_type&, const octave_idx_type&, | |
| 80 const octave_idx_type&, const octave_idx_type&, | |
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81 const double*, const octave_idx_type&, |
| 11518 | 82 const octave_idx_type*, double*, |
| 83 const octave_idx_type&, octave_idx_type& | |
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84 F77_CHAR_ARG_LEN_DECL); |
| 5164 | 85 |
| 86 F77_RET_T | |
| 11518 | 87 F77_FUNC (dgbcon, DGBCON) (F77_CONST_CHAR_ARG_DECL, |
| 88 const octave_idx_type&, const octave_idx_type&, | |
| 89 const octave_idx_type&, double*, | |
| 90 const octave_idx_type&, const octave_idx_type*, | |
| 91 const double&, double&, double*, | |
| 92 octave_idx_type*, octave_idx_type& | |
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93 F77_CHAR_ARG_LEN_DECL); |
| 5164 | 94 |
| 95 F77_RET_T | |
| 11518 | 96 F77_FUNC (dpbtrf, DPBTRF) (F77_CONST_CHAR_ARG_DECL, |
| 97 const octave_idx_type&, const octave_idx_type&, | |
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98 double*, const octave_idx_type&, octave_idx_type& |
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99 F77_CHAR_ARG_LEN_DECL); |
| 5164 | 100 |
| 101 F77_RET_T | |
| 11518 | 102 F77_FUNC (dpbtrs, DPBTRS) (F77_CONST_CHAR_ARG_DECL, |
| 103 const octave_idx_type&, const octave_idx_type&, | |
| 104 const octave_idx_type&, double*, | |
| 105 const octave_idx_type&, double*, | |
| 106 const octave_idx_type&, octave_idx_type& | |
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107 F77_CHAR_ARG_LEN_DECL); |
| 5164 | 108 |
| 109 F77_RET_T | |
| 11518 | 110 F77_FUNC (dpbcon, DPBCON) (F77_CONST_CHAR_ARG_DECL, |
| 111 const octave_idx_type&, const octave_idx_type&, | |
| 112 double*, const octave_idx_type&, | |
| 113 const double&, double&, double*, | |
| 114 octave_idx_type*, octave_idx_type& | |
| 115 F77_CHAR_ARG_LEN_DECL); | |
| 116 F77_RET_T | |
| 117 F77_FUNC (dptsv, DPTSV) (const octave_idx_type&, const octave_idx_type&, | |
| 118 double*, double*, double*, const octave_idx_type&, | |
| 119 octave_idx_type&); | |
| 5164 | 120 |
| 121 F77_RET_T | |
| 11518 | 122 F77_FUNC (dgtsv, DGTSV) (const octave_idx_type&, const octave_idx_type&, |
| 123 double*, double*, double*, double*, | |
| 124 const octave_idx_type&, octave_idx_type&); | |
| 5164 | 125 |
| 126 F77_RET_T | |
| 11518 | 127 F77_FUNC (dgttrf, DGTTRF) (const octave_idx_type&, double*, double*, |
| 128 double*, double*, octave_idx_type*, | |
| 129 octave_idx_type&); | |
| 130 | |
| 131 F77_RET_T | |
| 132 F77_FUNC (dgttrs, DGTTRS) (F77_CONST_CHAR_ARG_DECL, | |
| 133 const octave_idx_type&, const octave_idx_type&, | |
| 134 const double*, const double*, const double*, | |
| 135 const double*, const octave_idx_type*, | |
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136 double *, const octave_idx_type&, octave_idx_type& |
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137 F77_CHAR_ARG_LEN_DECL); |
| 5164 | 138 |
| 139 F77_RET_T | |
| 11518 | 140 F77_FUNC (zptsv, ZPTSV) (const octave_idx_type&, const octave_idx_type&, |
| 141 double*, Complex*, Complex*, const octave_idx_type&, | |
| 142 octave_idx_type&); | |
| 5164 | 143 |
| 144 F77_RET_T | |
| 11518 | 145 F77_FUNC (zgtsv, ZGTSV) (const octave_idx_type&, const octave_idx_type&, |
| 146 Complex*, Complex*, Complex*, Complex*, | |
| 147 const octave_idx_type&, octave_idx_type&); | |
| 5164 | 148 |
| 149 } | |
| 150 | |
| 151 SparseMatrix::SparseMatrix (const SparseBoolMatrix &a) | |
| 5681 | 152 : MSparse<double> (a.rows (), a.cols (), a.nnz ()) |
| 5164 | 153 { |
| 5275 | 154 octave_idx_type nc = cols (); |
| 5681 | 155 octave_idx_type nz = a.nnz (); |
| 5275 | 156 |
| 157 for (octave_idx_type i = 0; i < nc + 1; i++) | |
| 5164 | 158 cidx (i) = a.cidx (i); |
| 159 | |
| 5275 | 160 for (octave_idx_type i = 0; i < nz; i++) |
| 5164 | 161 { |
| 162 data (i) = a.data (i); | |
| 163 ridx (i) = a.ridx (i); | |
| 164 } | |
| 165 } | |
| 166 | |
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167 SparseMatrix::SparseMatrix (const DiagMatrix& a) |
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168 : MSparse<double> (a.rows (), a.cols (), a.length ()) |
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169 { |
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170 octave_idx_type j = 0; |
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171 octave_idx_type l = a.length (); |
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172 for (octave_idx_type i = 0; i < l; i++) |
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173 { |
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174 cidx (i) = j; |
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175 if (a(i, i) != 0.0) |
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176 { |
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177 data (j) = a(i, i); |
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178 ridx (j) = i; |
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179 j++; |
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180 } |
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181 } |
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182 for (octave_idx_type i = l; i <= a.cols (); i++) |
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183 cidx (i) = j; |
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184 } |
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185 |
| 5164 | 186 bool |
| 187 SparseMatrix::operator == (const SparseMatrix& a) const | |
| 188 { | |
| 5275 | 189 octave_idx_type nr = rows (); |
| 190 octave_idx_type nc = cols (); | |
| 5681 | 191 octave_idx_type nz = nnz (); |
| 5275 | 192 octave_idx_type nr_a = a.rows (); |
| 193 octave_idx_type nc_a = a.cols (); | |
| 5681 | 194 octave_idx_type nz_a = a.nnz (); |
| 5164 | 195 |
| 196 if (nr != nr_a || nc != nc_a || nz != nz_a) | |
| 197 return false; | |
| 198 | |
| 5275 | 199 for (octave_idx_type i = 0; i < nc + 1; i++) |
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200 if (cidx (i) != a.cidx (i)) |
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201 return false; |
| 5164 | 202 |
| 5275 | 203 for (octave_idx_type i = 0; i < nz; i++) |
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204 if (data (i) != a.data (i) || ridx (i) != a.ridx (i)) |
| 5164 | 205 return false; |
| 206 | |
| 207 return true; | |
| 208 } | |
| 209 | |
| 210 bool | |
| 211 SparseMatrix::operator != (const SparseMatrix& a) const | |
| 212 { | |
| 213 return !(*this == a); | |
| 214 } | |
| 215 | |
| 216 bool | |
| 217 SparseMatrix::is_symmetric (void) const | |
| 218 { | |
| 6207 | 219 octave_idx_type nr = rows (); |
| 220 octave_idx_type nc = cols (); | |
| 221 | |
| 222 if (nr == nc && nr > 0) | |
| 5164 | 223 { |
| 6207 | 224 for (octave_idx_type j = 0; j < nc; j++) |
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225 { |
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226 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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227 { |
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228 octave_idx_type ri = ridx (i); |
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229 |
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230 if (ri != j) |
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231 { |
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232 bool found = false; |
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233 |
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234 for (octave_idx_type k = cidx (ri); k < cidx (ri+1); k++) |
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235 { |
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236 if (ridx (k) == j) |
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237 { |
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238 if (data (i) == data (k)) |
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239 found = true; |
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240 break; |
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241 } |
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242 } |
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243 |
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244 if (! found) |
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245 return false; |
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246 } |
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247 } |
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248 } |
| 5164 | 249 |
| 250 return true; | |
| 251 } | |
| 252 | |
| 253 return false; | |
| 254 } | |
| 255 | |
| 256 SparseMatrix& | |
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257 SparseMatrix::insert (const SparseMatrix& a, |
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258 octave_idx_type r, octave_idx_type c) |
| 5164 | 259 { |
| 260 MSparse<double>::insert (a, r, c); | |
| 261 return *this; | |
| 262 } | |
| 263 | |
| 6823 | 264 SparseMatrix& |
| 265 SparseMatrix::insert (const SparseMatrix& a, const Array<octave_idx_type>& indx) | |
| 266 { | |
| 267 MSparse<double>::insert (a, indx); | |
| 268 return *this; | |
| 269 } | |
| 270 | |
| 5164 | 271 SparseMatrix |
| 272 SparseMatrix::max (int dim) const | |
| 273 { | |
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274 Array<octave_idx_type> dummy_idx; |
| 5164 | 275 return max (dummy_idx, dim); |
| 276 } | |
| 277 | |
| 278 SparseMatrix | |
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279 SparseMatrix::max (Array<octave_idx_type>& idx_arg, int dim) const |
| 5164 | 280 { |
| 281 SparseMatrix result; | |
| 282 dim_vector dv = dims (); | |
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283 octave_idx_type nr = dv(0); |
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284 octave_idx_type nc = dv(1); |
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285 |
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286 if (dim >= dv.length ()) |
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287 { |
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288 idx_arg.resize (dim_vector (nr, nc), 0); |
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289 return *this; |
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290 } |
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291 |
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292 if (dim < 0) |
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293 dim = dv.first_non_singleton (); |
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294 |
| 5164 | 295 if (dim == 0) |
| 296 { | |
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297 idx_arg.resize (dim_vector (nr == 0 ? 0 : 1, nc), 0); |
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298 |
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299 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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300 return SparseMatrix (nr == 0 ? 0 : 1, nc); |
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301 |
| 5275 | 302 octave_idx_type nel = 0; |
| 303 for (octave_idx_type j = 0; j < nc; j++) | |
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304 { |
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305 double tmp_max = octave_NaN; |
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306 octave_idx_type idx_j = 0; |
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307 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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308 { |
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309 if (ridx (i) != idx_j) |
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310 break; |
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311 else |
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312 idx_j++; |
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313 } |
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314 |
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315 if (idx_j != nr) |
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316 tmp_max = 0.; |
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317 |
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318 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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319 { |
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320 double tmp = data (i); |
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321 |
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322 if (xisnan (tmp)) |
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323 continue; |
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324 else if (xisnan (tmp_max) || tmp > tmp_max) |
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325 { |
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326 idx_j = ridx (i); |
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327 tmp_max = tmp; |
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328 } |
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329 |
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330 } |
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331 |
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332 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_j; |
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333 if (tmp_max != 0.) |
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334 nel++; |
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335 } |
| 5164 | 336 |
| 337 result = SparseMatrix (1, nc, nel); | |
| 338 | |
| 5275 | 339 octave_idx_type ii = 0; |
| 5164 | 340 result.xcidx (0) = 0; |
| 5275 | 341 for (octave_idx_type j = 0; j < nc; j++) |
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342 { |
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343 double tmp = elem (idx_arg(j), j); |
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344 if (tmp != 0.) |
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345 { |
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346 result.xdata (ii) = tmp; |
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347 result.xridx (ii++) = 0; |
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348 } |
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349 result.xcidx (j+1) = ii; |
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350 |
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351 } |
| 5164 | 352 } |
| 353 else | |
| 354 { | |
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355 idx_arg.resize (dim_vector (nr, nc == 0 ? 0 : 1), 0); |
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356 |
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357 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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358 return SparseMatrix (nr, nc == 0 ? 0 : 1); |
| 5164 | 359 |
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360 OCTAVE_LOCAL_BUFFER (octave_idx_type, found, nr); |
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361 |
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362 for (octave_idx_type i = 0; i < nr; i++) |
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363 found[i] = 0; |
| 5164 | 364 |
| 5275 | 365 for (octave_idx_type j = 0; j < nc; j++) |
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366 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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367 if (found[ridx (i)] == -j) |
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368 found[ridx (i)] = -j - 1; |
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369 |
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370 for (octave_idx_type i = 0; i < nr; i++) |
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371 if (found[i] > -nc && found[i] < 0) |
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372 idx_arg.elem (i) = -found[i]; |
| 5164 | 373 |
| 5275 | 374 for (octave_idx_type j = 0; j < nc; j++) |
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375 { |
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376 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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377 { |
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378 octave_idx_type ir = ridx (i); |
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379 octave_idx_type ix = idx_arg.elem (ir); |
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380 double tmp = data (i); |
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381 |
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382 if (xisnan (tmp)) |
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383 continue; |
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384 else if (ix == -1 || tmp > elem (ir, ix)) |
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385 idx_arg.elem (ir) = j; |
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386 } |
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387 } |
| 5164 | 388 |
| 5275 | 389 octave_idx_type nel = 0; |
| 390 for (octave_idx_type j = 0; j < nr; j++) | |
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391 if (idx_arg.elem (j) == -1 || elem (j, idx_arg.elem (j)) != 0.) |
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392 nel++; |
| 5164 | 393 |
| 394 result = SparseMatrix (nr, 1, nel); | |
| 395 | |
| 5275 | 396 octave_idx_type ii = 0; |
| 5164 | 397 result.xcidx (0) = 0; |
| 398 result.xcidx (1) = nel; | |
| 5275 | 399 for (octave_idx_type j = 0; j < nr; j++) |
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400 { |
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401 if (idx_arg(j) == -1) |
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402 { |
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403 idx_arg(j) = 0; |
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404 result.xdata (ii) = octave_NaN; |
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405 result.xridx (ii++) = j; |
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406 } |
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407 else |
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408 { |
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409 double tmp = elem (j, idx_arg(j)); |
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410 if (tmp != 0.) |
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411 { |
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412 result.xdata (ii) = tmp; |
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413 result.xridx (ii++) = j; |
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414 } |
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415 } |
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416 } |
| 5164 | 417 } |
| 418 | |
| 419 return result; | |
| 420 } | |
| 421 | |
| 422 SparseMatrix | |
| 423 SparseMatrix::min (int dim) const | |
| 424 { | |
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425 Array<octave_idx_type> dummy_idx; |
| 5164 | 426 return min (dummy_idx, dim); |
| 427 } | |
| 428 | |
| 429 SparseMatrix | |
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430 SparseMatrix::min (Array<octave_idx_type>& idx_arg, int dim) const |
| 5164 | 431 { |
| 432 SparseMatrix result; | |
| 433 dim_vector dv = dims (); | |
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434 octave_idx_type nr = dv(0); |
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435 octave_idx_type nc = dv(1); |
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436 |
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437 if (dim >= dv.length ()) |
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438 { |
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439 idx_arg.resize (dim_vector (nr, nc), 0); |
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440 return *this; |
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441 } |
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442 |
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443 if (dim < 0) |
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444 dim = dv.first_non_singleton (); |
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445 |
| 5164 | 446 if (dim == 0) |
| 447 { | |
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448 idx_arg.resize (dim_vector (nr == 0 ? 0 : 1, nc), 0); |
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449 |
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450 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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451 return SparseMatrix (nr == 0 ? 0 : 1, nc); |
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452 |
| 5275 | 453 octave_idx_type nel = 0; |
| 454 for (octave_idx_type j = 0; j < nc; j++) | |
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455 { |
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456 double tmp_min = octave_NaN; |
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457 octave_idx_type idx_j = 0; |
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458 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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459 { |
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460 if (ridx (i) != idx_j) |
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461 break; |
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462 else |
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463 idx_j++; |
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464 } |
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465 |
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466 if (idx_j != nr) |
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467 tmp_min = 0.; |
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468 |
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469 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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470 { |
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471 double tmp = data (i); |
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472 |
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473 if (xisnan (tmp)) |
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474 continue; |
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475 else if (xisnan (tmp_min) || tmp < tmp_min) |
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476 { |
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477 idx_j = ridx (i); |
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478 tmp_min = tmp; |
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479 } |
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480 |
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481 } |
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482 |
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483 idx_arg.elem (j) = xisnan (tmp_min) ? 0 : idx_j; |
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484 if (tmp_min != 0.) |
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485 nel++; |
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486 } |
| 5164 | 487 |
| 488 result = SparseMatrix (1, nc, nel); | |
| 489 | |
| 5275 | 490 octave_idx_type ii = 0; |
| 5164 | 491 result.xcidx (0) = 0; |
| 5275 | 492 for (octave_idx_type j = 0; j < nc; j++) |
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493 { |
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494 double tmp = elem (idx_arg(j), j); |
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495 if (tmp != 0.) |
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496 { |
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497 result.xdata (ii) = tmp; |
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498 result.xridx (ii++) = 0; |
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499 } |
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500 result.xcidx (j+1) = ii; |
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501 |
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502 } |
| 5164 | 503 } |
| 504 else | |
| 505 { | |
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506 idx_arg.resize (dim_vector (nr, nc == 0 ? 0 : 1), 0); |
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507 |
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508 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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509 return SparseMatrix (nr, nc == 0 ? 0 : 1); |
| 5164 | 510 |
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511 OCTAVE_LOCAL_BUFFER (octave_idx_type, found, nr); |
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512 |
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513 for (octave_idx_type i = 0; i < nr; i++) |
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514 found[i] = 0; |
| 5164 | 515 |
| 5275 | 516 for (octave_idx_type j = 0; j < nc; j++) |
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517 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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518 if (found[ridx (i)] == -j) |
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519 found[ridx (i)] = -j - 1; |
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520 |
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521 for (octave_idx_type i = 0; i < nr; i++) |
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522 if (found[i] > -nc && found[i] < 0) |
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523 idx_arg.elem (i) = -found[i]; |
| 5164 | 524 |
| 5275 | 525 for (octave_idx_type j = 0; j < nc; j++) |
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526 { |
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527 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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528 { |
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529 octave_idx_type ir = ridx (i); |
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530 octave_idx_type ix = idx_arg.elem (ir); |
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531 double tmp = data (i); |
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532 |
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533 if (xisnan (tmp)) |
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534 continue; |
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535 else if (ix == -1 || tmp < elem (ir, ix)) |
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536 idx_arg.elem (ir) = j; |
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537 } |
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538 } |
| 5164 | 539 |
| 5275 | 540 octave_idx_type nel = 0; |
| 541 for (octave_idx_type j = 0; j < nr; j++) | |
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542 if (idx_arg.elem (j) == -1 || elem (j, idx_arg.elem (j)) != 0.) |
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543 nel++; |
| 5164 | 544 |
| 545 result = SparseMatrix (nr, 1, nel); | |
| 546 | |
| 5275 | 547 octave_idx_type ii = 0; |
| 5164 | 548 result.xcidx (0) = 0; |
| 549 result.xcidx (1) = nel; | |
| 5275 | 550 for (octave_idx_type j = 0; j < nr; j++) |
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551 { |
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552 if (idx_arg(j) == -1) |
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553 { |
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554 idx_arg(j) = 0; |
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555 result.xdata (ii) = octave_NaN; |
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556 result.xridx (ii++) = j; |
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557 } |
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558 else |
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559 { |
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560 double tmp = elem (j, idx_arg(j)); |
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561 if (tmp != 0.) |
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562 { |
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563 result.xdata (ii) = tmp; |
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564 result.xridx (ii++) = j; |
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565 } |
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566 } |
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567 } |
| 5164 | 568 } |
| 569 | |
| 570 return result; | |
| 571 } | |
| 572 | |
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573 /* |
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574 |
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575 %!assert (max (max (speye (65536))), sparse (1)) |
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576 %!assert (min (min (speye (65536))), sparse (0)) |
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577 %!assert (size (max (sparse (8, 0), [], 1)), [1, 0]) |
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578 %!assert (size (max (sparse (8, 0), [], 2)), [8, 0]) |
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579 %!assert (size (max (sparse (0, 8), [], 1)), [0, 8]) |
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580 %!assert (size (max (sparse (0, 8), [], 2)), [0, 1]) |
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581 %!assert (size (min (sparse (8, 0), [], 1)), [1, 0]) |
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582 %!assert (size (min (sparse (8, 0), [], 2)), [8, 0]) |
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583 %!assert (size (min (sparse (0, 8), [], 1)), [0, 8]) |
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584 %!assert (size (min (sparse (0, 8), [], 2)), [0, 1]) |
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585 |
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586 */ |
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587 |
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588 RowVector |
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589 SparseMatrix::row (octave_idx_type i) const |
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590 { |
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591 octave_idx_type nc = columns (); |
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592 RowVector retval (nc, 0); |
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593 |
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594 for (octave_idx_type j = 0; j < nc; j++) |
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595 for (octave_idx_type k = cidx (j); k < cidx (j+1); k++) |
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596 { |
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597 if (ridx (k) == i) |
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598 { |
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599 retval(j) = data (k); |
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600 break; |
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601 } |
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602 } |
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603 |
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604 return retval; |
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605 } |
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606 |
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607 ColumnVector |
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608 SparseMatrix::column (octave_idx_type i) const |
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609 { |
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610 octave_idx_type nr = rows (); |
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611 ColumnVector retval (nr, 0); |
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612 |
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613 for (octave_idx_type k = cidx (i); k < cidx (i+1); k++) |
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614 retval(ridx (k)) = data (k); |
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615 |
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616 return retval; |
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617 } |
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618 |
| 5164 | 619 SparseMatrix |
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620 SparseMatrix::concat (const SparseMatrix& rb, |
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621 const Array<octave_idx_type>& ra_idx) |
| 5164 | 622 { |
| 623 // Don't use numel to avoid all possiblity of an overflow | |
| 624 if (rb.rows () > 0 && rb.cols () > 0) | |
| 625 insert (rb, ra_idx(0), ra_idx(1)); | |
| 626 return *this; | |
| 627 } | |
| 628 | |
| 629 SparseComplexMatrix | |
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630 SparseMatrix::concat (const SparseComplexMatrix& rb, |
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631 const Array<octave_idx_type>& ra_idx) |
| 5164 | 632 { |
| 633 SparseComplexMatrix retval (*this); | |
| 634 if (rb.rows () > 0 && rb.cols () > 0) | |
| 635 retval.insert (rb, ra_idx(0), ra_idx(1)); | |
| 636 return retval; | |
| 637 } | |
| 638 | |
| 639 SparseMatrix | |
| 640 real (const SparseComplexMatrix& a) | |
| 641 { | |
| 5275 | 642 octave_idx_type nr = a.rows (); |
| 643 octave_idx_type nc = a.cols (); | |
| 5681 | 644 octave_idx_type nz = a.nnz (); |
| 5164 | 645 SparseMatrix r (nr, nc, nz); |
| 646 | |
| 5275 | 647 for (octave_idx_type i = 0; i < nc +1; i++) |
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648 r.cidx (i) = a.cidx (i); |
| 5164 | 649 |
| 5275 | 650 for (octave_idx_type i = 0; i < nz; i++) |
| 5164 | 651 { |
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652 r.data (i) = std::real (a.data (i)); |
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653 r.ridx (i) = a.ridx (i); |
| 5164 | 654 } |
| 655 | |
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656 r.maybe_compress (true); |
| 5164 | 657 return r; |
| 658 } | |
| 659 | |
| 660 SparseMatrix | |
| 661 imag (const SparseComplexMatrix& a) | |
| 662 { | |
| 5275 | 663 octave_idx_type nr = a.rows (); |
| 664 octave_idx_type nc = a.cols (); | |
| 5681 | 665 octave_idx_type nz = a.nnz (); |
| 5164 | 666 SparseMatrix r (nr, nc, nz); |
| 667 | |
| 5275 | 668 for (octave_idx_type i = 0; i < nc +1; i++) |
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669 r.cidx (i) = a.cidx (i); |
| 5164 | 670 |
| 5275 | 671 for (octave_idx_type i = 0; i < nz; i++) |
| 5164 | 672 { |
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673 r.data (i) = std::imag (a.data (i)); |
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674 r.ridx (i) = a.ridx (i); |
| 5164 | 675 } |
| 676 | |
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677 r.maybe_compress (true); |
| 5164 | 678 return r; |
| 679 } | |
| 680 | |
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681 /* |
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682 |
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683 %!assert (nnz (real (sparse ([1i,1]))), 1) |
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684 %!assert (nnz (real (sparse ([1i,1]))), 1) |
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685 |
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686 */ |
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687 |
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688 SparseMatrix |
| 5164 | 689 atan2 (const double& x, const SparseMatrix& y) |
| 690 { | |
| 5275 | 691 octave_idx_type nr = y.rows (); |
| 692 octave_idx_type nc = y.cols (); | |
| 5164 | 693 |
| 694 if (x == 0.) | |
| 695 return SparseMatrix (nr, nc); | |
| 696 else | |
| 697 { | |
| 698 // Its going to be basically full, so this is probably the | |
| 699 // best way to handle it. | |
| 700 Matrix tmp (nr, nc, atan2 (x, 0.)); | |
| 701 | |
| 5275 | 702 for (octave_idx_type j = 0; j < nc; j++) |
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703 for (octave_idx_type i = y.cidx (j); i < y.cidx (j+1); i++) |
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704 tmp.elem (y.ridx (i), j) = atan2 (x, y.data (i)); |
| 5164 | 705 |
| 706 return SparseMatrix (tmp); | |
| 707 } | |
| 708 } | |
| 709 | |
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710 SparseMatrix |
| 5164 | 711 atan2 (const SparseMatrix& x, const double& y) |
| 712 { | |
| 5275 | 713 octave_idx_type nr = x.rows (); |
| 714 octave_idx_type nc = x.cols (); | |
| 5681 | 715 octave_idx_type nz = x.nnz (); |
| 5164 | 716 |
| 717 SparseMatrix retval (nr, nc, nz); | |
| 718 | |
| 5275 | 719 octave_idx_type ii = 0; |
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720 retval.xcidx (0) = 0; |
| 5275 | 721 for (octave_idx_type i = 0; i < nc; i++) |
| 5164 | 722 { |
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723 for (octave_idx_type j = x.cidx (i); j < x.cidx (i+1); j++) |
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724 { |
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725 double tmp = atan2 (x.data (j), y); |
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726 if (tmp != 0.) |
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727 { |
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728 retval.xdata (ii) = tmp; |
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729 retval.xridx (ii++) = x.ridx (j); |
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730 } |
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731 } |
| 5164 | 732 retval.xcidx (i+1) = ii; |
| 733 } | |
| 734 | |
| 735 if (ii != nz) | |
| 736 { | |
| 737 SparseMatrix retval2 (nr, nc, ii); | |
| 5275 | 738 for (octave_idx_type i = 0; i < nc+1; i++) |
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739 retval2.xcidx (i) = retval.cidx (i); |
| 5275 | 740 for (octave_idx_type i = 0; i < ii; i++) |
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741 { |
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742 retval2.xdata (i) = retval.data (i); |
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743 retval2.xridx (i) = retval.ridx (i); |
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744 } |
| 5164 | 745 return retval2; |
| 746 } | |
| 747 else | |
| 748 return retval; | |
| 749 } | |
| 750 | |
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751 SparseMatrix |
| 5164 | 752 atan2 (const SparseMatrix& x, const SparseMatrix& y) |
| 753 { | |
| 754 SparseMatrix r; | |
| 755 | |
|
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756 if ((x.rows () == y.rows ()) && (x.cols () == y.cols ())) |
| 5164 | 757 { |
| 5275 | 758 octave_idx_type x_nr = x.rows (); |
| 759 octave_idx_type x_nc = x.cols (); | |
| 760 | |
| 761 octave_idx_type y_nr = y.rows (); | |
| 762 octave_idx_type y_nc = y.cols (); | |
| 5164 | 763 |
| 764 if (x_nr != y_nr || x_nc != y_nc) | |
|
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765 err_nonconformant ("atan2", x_nr, x_nc, y_nr, y_nc); |
|
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766 |
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767 r = SparseMatrix (x_nr, x_nc, (x.nnz () + y.nnz ())); |
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768 |
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769 octave_idx_type jx = 0; |
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770 r.cidx (0) = 0; |
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771 for (octave_idx_type i = 0 ; i < x_nc ; i++) |
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772 { |
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773 octave_idx_type ja = x.cidx (i); |
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774 octave_idx_type ja_max = x.cidx (i+1); |
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775 bool ja_lt_max= ja < ja_max; |
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776 |
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777 octave_idx_type jb = y.cidx (i); |
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778 octave_idx_type jb_max = y.cidx (i+1); |
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779 bool jb_lt_max = jb < jb_max; |
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780 |
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781 while (ja_lt_max || jb_lt_max) |
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782 { |
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783 octave_quit (); |
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784 if ((! jb_lt_max) |
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785 || (ja_lt_max && (x.ridx (ja) < y.ridx (jb)))) |
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786 { |
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787 r.ridx (jx) = x.ridx (ja); |
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788 r.data (jx) = atan2 (x.data (ja), 0.); |
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789 jx++; |
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790 ja++; |
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791 ja_lt_max= ja < ja_max; |
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792 } |
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793 else if ((! ja_lt_max) |
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794 || (jb_lt_max && (y.ridx (jb) < x.ridx (ja)))) |
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795 { |
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796 jb++; |
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797 jb_lt_max= jb < jb_max; |
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798 } |
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799 else |
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800 { |
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801 double tmp = atan2 (x.data (ja), y.data (jb)); |
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802 if (tmp != 0.) |
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803 { |
|
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804 r.data (jx) = tmp; |
|
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805 r.ridx (jx) = x.ridx (ja); |
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806 jx++; |
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807 } |
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808 ja++; |
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809 ja_lt_max= ja < ja_max; |
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810 jb++; |
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811 jb_lt_max= jb < jb_max; |
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812 } |
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813 } |
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814 r.cidx (i+1) = jx; |
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815 } |
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816 |
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817 r.maybe_compress (); |
| 5164 | 818 } |
| 819 else | |
| 820 (*current_liboctave_error_handler) ("matrix size mismatch"); | |
| 821 | |
| 822 return r; | |
| 823 } | |
| 824 | |
| 825 SparseMatrix | |
| 826 SparseMatrix::inverse (void) const | |
| 827 { | |
| 5275 | 828 octave_idx_type info; |
| 5164 | 829 double rcond; |
| 5785 | 830 MatrixType mattype (*this); |
| 5506 | 831 return inverse (mattype, info, rcond, 0, 0); |
| 832 } | |
| 833 | |
| 834 SparseMatrix | |
| 5785 | 835 SparseMatrix::inverse (MatrixType& mattype) const |
| 5506 | 836 { |
| 837 octave_idx_type info; | |
| 838 double rcond; | |
| 839 return inverse (mattype, info, rcond, 0, 0); | |
| 5164 | 840 } |
| 841 | |
| 842 SparseMatrix | |
| 5785 | 843 SparseMatrix::inverse (MatrixType& mattype, octave_idx_type& info) const |
| 5164 | 844 { |
| 845 double rcond; | |
| 5506 | 846 return inverse (mattype, info, rcond, 0, 0); |
| 847 } | |
| 848 | |
|
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849 SparseMatrix |
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850 SparseMatrix::dinverse (MatrixType &mattyp, octave_idx_type& info, |
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851 double& rcond, const bool, |
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852 const bool calccond) const |
| 5506 | 853 { |
| 854 SparseMatrix retval; | |
| 855 | |
| 856 octave_idx_type nr = rows (); | |
| 857 octave_idx_type nc = cols (); | |
| 858 info = 0; | |
| 859 | |
| 860 if (nr == 0 || nc == 0 || nr != nc) | |
| 861 (*current_liboctave_error_handler) ("inverse requires square matrix"); | |
| 862 else | |
| 863 { | |
| 864 // Print spparms("spumoni") info if requested | |
| 865 int typ = mattyp.type (); | |
| 866 mattyp.info (); | |
| 867 | |
|
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868 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
|
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869 { |
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870 if (typ == MatrixType::Permuted_Diagonal) |
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871 retval = transpose (); |
|
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872 else |
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873 retval = *this; |
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874 |
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875 // Force make_unique to be called |
|
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876 double *v = retval.data (); |
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877 |
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878 if (calccond) |
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879 { |
|
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880 double dmax = 0.; |
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881 double dmin = octave_Inf; |
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882 for (octave_idx_type i = 0; i < nr; i++) |
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883 { |
|
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884 double tmp = fabs (v[i]); |
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885 if (tmp > dmax) |
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886 dmax = tmp; |
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887 if (tmp < dmin) |
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888 dmin = tmp; |
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889 } |
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890 rcond = dmin / dmax; |
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891 } |
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892 |
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893 for (octave_idx_type i = 0; i < nr; i++) |
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894 v[i] = 1.0 / v[i]; |
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895 } |
| 5506 | 896 else |
|
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897 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5506 | 898 } |
| 899 | |
| 900 return retval; | |
| 901 } | |
| 902 | |
|
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903 SparseMatrix |
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904 SparseMatrix::tinverse (MatrixType &mattyp, octave_idx_type& info, |
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905 double& rcond, const bool, |
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906 const bool calccond) const |
| 5506 | 907 { |
| 908 SparseMatrix retval; | |
| 909 | |
| 910 octave_idx_type nr = rows (); | |
| 911 octave_idx_type nc = cols (); | |
| 912 info = 0; | |
| 913 | |
| 914 if (nr == 0 || nc == 0 || nr != nc) | |
| 915 (*current_liboctave_error_handler) ("inverse requires square matrix"); | |
| 916 else | |
| 917 { | |
| 918 // Print spparms("spumoni") info if requested | |
| 919 int typ = mattyp.type (); | |
| 920 mattyp.info (); | |
| 921 | |
|
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922 if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper |
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923 || typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
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924 { |
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925 double anorm = 0.; |
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John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
926 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
927 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
928 if (calccond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
929 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
930 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
931 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
932 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
933 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
934 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
935 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
936 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
937 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
938 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
939 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
940 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
941 if (typ == MatrixType::Upper || typ == MatrixType::Lower) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
942 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
943 octave_idx_type nz = nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
944 octave_idx_type cx = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
945 octave_idx_type nz2 = nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
946 retval = SparseMatrix (nr, nc, nz2); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
947 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
948 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
949 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
950 octave_quit (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
951 // place the 1 in the identity position |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
952 octave_idx_type cx_colstart = cx; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
953 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
954 if (cx == nz2) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
955 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
956 nz2 *= 2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
957 retval.change_capacity (nz2); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
958 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
959 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
960 retval.xcidx (i) = cx; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
961 retval.xridx (cx) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
962 retval.xdata (cx) = 1.0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
963 cx++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
964 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
965 // iterate accross columns of input matrix |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
966 for (octave_idx_type j = i+1; j < nr; j++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
967 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
968 double v = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
969 // iterate to calculate sum |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
970 octave_idx_type colXp = retval.xcidx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
971 octave_idx_type colUp = cidx (j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
972 octave_idx_type rpX, rpU; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
973 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
974 if (cidx (j) == cidx (j+1)) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
975 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
976 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
977 ("division by zero"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
978 goto inverse_singular; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
979 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
980 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
981 do |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
982 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
983 octave_quit (); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
984 rpX = retval.xridx (colXp); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
985 rpU = ridx (colUp); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
986 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
987 if (rpX < rpU) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
988 colXp++; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
989 else if (rpX > rpU) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
990 colUp++; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
991 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
992 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
993 v -= retval.xdata (colXp) * data (colUp); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
994 colXp++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
995 colUp++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
996 } |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
997 } |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
998 while (rpX < j && rpU < j && colXp < cx && colUp < nz); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
999 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1000 // get A(m,m) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1001 if (typ == MatrixType::Upper) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1002 colUp = cidx (j+1) - 1; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1003 else |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1004 colUp = cidx (j); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1005 double pivot = data (colUp); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1006 if (pivot == 0. || ridx (colUp) != j) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1007 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1008 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1009 ("division by zero"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1010 goto inverse_singular; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1011 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1012 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1013 if (v != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1014 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1015 if (cx == nz2) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1016 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1017 nz2 *= 2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1018 retval.change_capacity (nz2); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1019 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1020 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1021 retval.xridx (cx) = j; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1022 retval.xdata (cx) = v / pivot; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1023 cx++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1024 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1025 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1026 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1027 // get A(m,m) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1028 octave_idx_type colUp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1029 if (typ == MatrixType::Upper) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1030 colUp = cidx (i+1) - 1; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1031 else |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1032 colUp = cidx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1033 double pivot = data (colUp); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1034 if (pivot == 0. || ridx (colUp) != i) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1035 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1036 (*current_liboctave_error_handler) ("division by zero"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1037 goto inverse_singular; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1038 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1039 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1040 if (pivot != 1.0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1041 for (octave_idx_type j = cx_colstart; j < cx; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1042 retval.xdata (j) /= pivot; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1043 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1044 retval.xcidx (nr) = cx; |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1045 retval.maybe_compress (); |
|
07ebe522dac2
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diff
changeset
|
1046 } |
|
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1047 else |
|
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John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1048 { |
|
07ebe522dac2
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changeset
|
1049 octave_idx_type nz = nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
1050 octave_idx_type cx = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
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|
1051 octave_idx_type nz2 = nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1052 retval = SparseMatrix (nr, nc, nz2); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1053 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1054 OCTAVE_LOCAL_BUFFER (double, work, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1055 OCTAVE_LOCAL_BUFFER (octave_idx_type, rperm, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1056 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
1057 octave_idx_type *perm = mattyp.triangular_perm (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1058 if (typ == MatrixType::Permuted_Upper) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1059 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
1060 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1061 rperm[perm[i]] = i; |
|
07ebe522dac2
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diff
changeset
|
1062 } |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1063 else |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1064 { |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1065 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1066 rperm[i] = perm[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1067 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1068 perm[rperm[i]] = i; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1069 } |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1070 |
|
07ebe522dac2
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diff
changeset
|
1071 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1072 { |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1073 octave_quit (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1074 octave_idx_type iidx = rperm[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1075 |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1076 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1077 work[j] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1078 |
|
07ebe522dac2
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diff
changeset
|
1079 // place the 1 in the identity position |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1080 work[iidx] = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1081 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1082 // iterate accross columns of input matrix |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1083 for (octave_idx_type j = iidx+1; j < nr; j++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1084 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1085 double v = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1086 octave_idx_type jidx = perm[j]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1087 // iterate to calculate sum |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1088 for (octave_idx_type k = cidx (jidx); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1089 k < cidx (jidx+1); k++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1090 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1091 octave_quit (); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1092 v -= work[ridx (k)] * data (k); |
|
10314
07ebe522dac2
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parents:
10158
diff
changeset
|
1093 } |
|
07ebe522dac2
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parents:
10158
diff
changeset
|
1094 |
|
07ebe522dac2
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parents:
10158
diff
changeset
|
1095 // get A(m,m) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1096 double pivot; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1097 if (typ == MatrixType::Permuted_Upper) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1098 pivot = data (cidx (jidx+1) - 1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1099 else |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1100 pivot = data (cidx (jidx)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1101 if (pivot == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1102 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1103 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1104 ("division by zero"); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1105 goto inverse_singular; |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1106 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1107 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1108 work[j] = v / pivot; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1109 } |
|
07ebe522dac2
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10158
diff
changeset
|
1110 |
|
07ebe522dac2
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diff
changeset
|
1111 // get A(m,m) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1112 octave_idx_type colUp; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1113 if (typ == MatrixType::Permuted_Upper) |
|
15018
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Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1114 colUp = cidx (perm[iidx]+1) - 1; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1115 else |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1116 colUp = cidx (perm[iidx]); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1117 |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1118 double pivot = data (colUp); |
|
10314
07ebe522dac2
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diff
changeset
|
1119 if (pivot == 0.) |
|
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10158
diff
changeset
|
1120 { |
|
11586
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strip trailing whitespace from source files
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parents:
11574
diff
changeset
|
1121 (*current_liboctave_error_handler) |
|
10314
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diff
changeset
|
1122 ("division by zero"); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1123 goto inverse_singular; |
|
07ebe522dac2
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diff
changeset
|
1124 } |
|
07ebe522dac2
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diff
changeset
|
1125 |
|
07ebe522dac2
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diff
changeset
|
1126 octave_idx_type new_cx = cx; |
|
07ebe522dac2
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diff
changeset
|
1127 for (octave_idx_type j = iidx; j < nr; j++) |
|
07ebe522dac2
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diff
changeset
|
1128 if (work[j] != 0.0) |
|
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diff
changeset
|
1129 { |
|
07ebe522dac2
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10158
diff
changeset
|
1130 new_cx++; |
|
07ebe522dac2
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diff
changeset
|
1131 if (pivot != 1.0) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1132 work[j] /= pivot; |
|
07ebe522dac2
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diff
changeset
|
1133 } |
|
07ebe522dac2
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diff
changeset
|
1134 |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1135 if (cx < new_cx) |
|
07ebe522dac2
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diff
changeset
|
1136 { |
|
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diff
changeset
|
1137 nz2 = (2*nz2 < new_cx ? new_cx : 2*nz2); |
|
07ebe522dac2
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diff
changeset
|
1138 retval.change_capacity (nz2); |
|
07ebe522dac2
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10158
diff
changeset
|
1139 } |
|
07ebe522dac2
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diff
changeset
|
1140 |
|
15018
3d8ace26c5b4
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parents:
14846
diff
changeset
|
1141 retval.xcidx (i) = cx; |
|
10314
07ebe522dac2
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10158
diff
changeset
|
1142 for (octave_idx_type j = iidx; j < nr; j++) |
|
07ebe522dac2
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diff
changeset
|
1143 if (work[j] != 0.) |
|
07ebe522dac2
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10158
diff
changeset
|
1144 { |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
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14846
diff
changeset
|
1145 retval.xridx (cx) = j; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
1146 retval.xdata (cx++) = work[j]; |
|
10314
07ebe522dac2
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10158
diff
changeset
|
1147 } |
|
07ebe522dac2
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10158
diff
changeset
|
1148 } |
|
07ebe522dac2
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10158
diff
changeset
|
1149 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1150 retval.xcidx (nr) = cx; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1151 retval.maybe_compress (); |
|
07ebe522dac2
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10158
diff
changeset
|
1152 } |
|
07ebe522dac2
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10158
diff
changeset
|
1153 |
|
07ebe522dac2
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diff
changeset
|
1154 if (calccond) |
|
07ebe522dac2
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10158
diff
changeset
|
1155 { |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1156 // Calculate the 1-norm of inverse matrix for rcond calculation |
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1157 for (octave_idx_type j = 0; j < nr; j++) |
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1158 { |
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1159 double atmp = 0.; |
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1160 for (octave_idx_type i = retval.cidx (j); |
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1161 i < retval.cidx (j+1); i++) |
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1162 atmp += fabs (retval.data (i)); |
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1163 if (atmp > ainvnorm) |
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1164 ainvnorm = atmp; |
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1165 } |
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1166 |
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1167 rcond = 1. / ainvnorm / anorm; |
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1168 } |
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1169 } |
| 5506 | 1170 else |
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1171 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5506 | 1172 } |
| 1173 | |
| 1174 return retval; | |
| 5876 | 1175 |
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1176 inverse_singular: |
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1177 return SparseMatrix (); |
| 5164 | 1178 } |
| 1179 | |
| 1180 SparseMatrix | |
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1181 SparseMatrix::inverse (MatrixType &mattype, octave_idx_type& info, |
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1182 double& rcond, int, int calc_cond) const |
| 5506 | 1183 { |
| 1184 int typ = mattype.type (false); | |
| 1185 SparseMatrix ret; | |
| 1186 | |
| 5785 | 1187 if (typ == MatrixType::Unknown) |
| 5506 | 1188 typ = mattype.type (*this); |
| 1189 | |
| 5785 | 1190 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5506 | 1191 ret = dinverse (mattype, info, rcond, true, calc_cond); |
| 5785 | 1192 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
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1193 ret = tinverse (mattype, info, rcond, true, calc_cond).transpose (); |
| 5785 | 1194 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
| 6185 | 1195 { |
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1196 MatrixType newtype = mattype.transpose (); |
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1197 ret = transpose ().tinverse (newtype, info, rcond, true, calc_cond); |
| 6185 | 1198 } |
| 6840 | 1199 else |
| 5506 | 1200 { |
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1201 if (mattype.is_hermitian ()) |
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1202 { |
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1203 MatrixType tmp_typ (MatrixType::Upper); |
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1204 SparseCHOL fact (*this, info, false); |
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1205 rcond = fact.rcond (); |
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1206 if (info == 0) |
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1207 { |
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1208 double rcond2; |
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1209 SparseMatrix Q = fact.Q (); |
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1210 SparseMatrix InvL = fact.L ().transpose ().tinverse (tmp_typ, |
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1211 info, rcond2, true, false); |
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1212 ret = Q * InvL.transpose () * InvL * Q.transpose (); |
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1213 } |
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1214 else |
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1215 { |
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1216 // Matrix is either singular or not positive definite |
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1217 mattype.mark_as_unsymmetric (); |
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1218 } |
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1219 } |
| 5506 | 1220 |
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1221 if (! mattype.is_hermitian ()) |
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1222 { |
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1223 octave_idx_type n = rows (); |
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1224 ColumnVector Qinit(n); |
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1225 for (octave_idx_type i = 0; i < n; i++) |
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1226 Qinit(i) = i; |
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1227 |
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1228 MatrixType tmp_typ (MatrixType::Upper); |
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1229 SparseLU fact (*this, Qinit, Matrix (), false, false); |
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1230 rcond = fact.rcond (); |
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1231 double rcond2; |
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1232 SparseMatrix InvL = fact.L ().transpose ().tinverse (tmp_typ, |
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1233 info, rcond2, true, false); |
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1234 SparseMatrix InvU = fact.U ().tinverse (tmp_typ, info, rcond2, |
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1235 true, false).transpose (); |
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1236 ret = fact.Pc ().transpose () * InvU * InvL * fact.Pr (); |
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1237 } |
| 5506 | 1238 } |
| 1239 | |
| 1240 return ret; | |
| 5164 | 1241 } |
| 1242 | |
| 1243 DET | |
| 1244 SparseMatrix::determinant (void) const | |
| 1245 { | |
| 5275 | 1246 octave_idx_type info; |
| 5164 | 1247 double rcond; |
| 1248 return determinant (info, rcond, 0); | |
| 1249 } | |
| 1250 | |
| 1251 DET | |
| 5275 | 1252 SparseMatrix::determinant (octave_idx_type& info) const |
| 5164 | 1253 { |
| 1254 double rcond; | |
| 1255 return determinant (info, rcond, 0); | |
| 1256 } | |
| 1257 | |
| 1258 DET | |
| 5275 | 1259 SparseMatrix::determinant (octave_idx_type& err, double& rcond, int) const |
| 5164 | 1260 { |
| 1261 DET retval; | |
| 1262 | |
| 5203 | 1263 #ifdef HAVE_UMFPACK |
| 5275 | 1264 octave_idx_type nr = rows (); |
| 1265 octave_idx_type nc = cols (); | |
| 5164 | 1266 |
| 1267 if (nr == 0 || nc == 0 || nr != nc) | |
| 1268 { | |
| 8335 | 1269 retval = DET (1.0); |
| 5164 | 1270 } |
| 1271 else | |
| 1272 { | |
| 1273 err = 0; | |
| 1274 | |
| 1275 // Setup the control parameters | |
| 1276 Matrix Control (UMFPACK_CONTROL, 1); | |
| 1277 double *control = Control.fortran_vec (); | |
| 5322 | 1278 UMFPACK_DNAME (defaults) (control); |
| 5164 | 1279 |
| 5893 | 1280 double tmp = octave_sparse_params::get_key ("spumoni"); |
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1281 if (! xisnan (tmp)) |
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1282 Control (UMFPACK_PRL) = tmp; |
| 5164 | 1283 |
| 5893 | 1284 tmp = octave_sparse_params::get_key ("piv_tol"); |
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1285 if (! xisnan (tmp)) |
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1286 { |
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1287 Control (UMFPACK_SYM_PIVOT_TOLERANCE) = tmp; |
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1288 Control (UMFPACK_PIVOT_TOLERANCE) = tmp; |
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1289 } |
| 5164 | 1290 |
| 1291 // Set whether we are allowed to modify Q or not | |
| 5893 | 1292 tmp = octave_sparse_params::get_key ("autoamd"); |
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1293 if (! xisnan (tmp)) |
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1294 Control (UMFPACK_FIXQ) = tmp; |
| 5164 | 1295 |
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1296 // Turn-off UMFPACK scaling for LU |
| 5164 | 1297 Control (UMFPACK_SCALE) = UMFPACK_SCALE_NONE; |
| 1298 | |
| 5322 | 1299 UMFPACK_DNAME (report_control) (control); |
| 5164 | 1300 |
| 5275 | 1301 const octave_idx_type *Ap = cidx (); |
| 1302 const octave_idx_type *Ai = ridx (); | |
| 5164 | 1303 const double *Ax = data (); |
| 1304 | |
| 5322 | 1305 UMFPACK_DNAME (report_matrix) (nr, nc, Ap, Ai, Ax, 1, control); |
| 5164 | 1306 |
| 1307 void *Symbolic; | |
| 1308 Matrix Info (1, UMFPACK_INFO); | |
| 1309 double *info = Info.fortran_vec (); | |
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1310 int status = UMFPACK_DNAME (qsymbolic) (nr, nc, Ap, Ai, |
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1311 Ax, 0, &Symbolic, control, info); |
| 5164 | 1312 |
| 1313 if (status < 0) | |
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1314 { |
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1315 (*current_liboctave_error_handler) |
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1316 ("SparseMatrix::determinant symbolic factorization failed"); |
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1317 |
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1318 UMFPACK_DNAME (report_status) (control, status); |
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1319 UMFPACK_DNAME (report_info) (control, info); |
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1320 |
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1321 UMFPACK_DNAME (free_symbolic) (&Symbolic); |
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1322 } |
| 5164 | 1323 else |
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1324 { |
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1325 UMFPACK_DNAME (report_symbolic) (Symbolic, control); |
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1326 |
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1327 void *Numeric; |
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1328 status = UMFPACK_DNAME (numeric) (Ap, Ai, Ax, Symbolic, |
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1329 &Numeric, control, info); |
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1330 UMFPACK_DNAME (free_symbolic) (&Symbolic); |
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1331 |
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1332 rcond = Info (UMFPACK_RCOND); |
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1333 |
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1334 if (status < 0) |
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1335 { |
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1336 (*current_liboctave_error_handler) |
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1337 ("SparseMatrix::determinant numeric factorization failed"); |
|
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|
1338 |
|
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|
1339 UMFPACK_DNAME (report_status) (control, status); |
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1340 UMFPACK_DNAME (report_info) (control, info); |
|
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1341 |
|
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|
1342 UMFPACK_DNAME (free_numeric) (&Numeric); |
|
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|
1343 } |
|
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|
1344 else |
|
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1345 { |
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|
1346 UMFPACK_DNAME (report_numeric) (Numeric, control); |
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1347 |
|
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|
1348 double c10, e10; |
|
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1349 |
|
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|
1350 status = UMFPACK_DNAME (get_determinant) (&c10, &e10, Numeric, |
|
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|
1351 info); |
|
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1352 |
|
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|
1353 if (status < 0) |
|
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|
1354 { |
|
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|
1355 (*current_liboctave_error_handler) |
|
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|
1356 ("SparseMatrix::determinant error calculating determinant"); |
|
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|
1357 |
|
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|
1358 UMFPACK_DNAME (report_status) (control, status); |
|
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untabify liboctave C++ sources
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|
1359 UMFPACK_DNAME (report_info) (control, info); |
|
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|
1360 } |
|
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|
1361 else |
|
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|
1362 retval = DET (c10, e10, 10); |
|
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|
1363 |
|
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|
1364 UMFPACK_DNAME (free_numeric) (&Numeric); |
|
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|
1365 } |
|
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|
1366 } |
| 5164 | 1367 } |
| 1368 | |
| 1369 return retval; | |
|
21109
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1370 |
|
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Use err_disabled_feature, warn_disabled_feature throughout code base.
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|
1371 #else |
|
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|
1372 (*current_liboctave_error_handler) |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
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|
1373 ("support for UMFPACK was unavailable or disabled " |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
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diff
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|
1374 "when liboctave was built"); |
|
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Use err_disabled_feature, warn_disabled_feature throughout code base.
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|
1375 #endif |
| 5164 | 1376 } |
| 1377 | |
| 1378 Matrix | |
|
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|
1379 SparseMatrix::dsolve (MatrixType &mattype, const Matrix& b, |
|
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|
1380 octave_idx_type& err, |
|
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|
1381 double& rcond, solve_singularity_handler, |
|
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|
1382 bool calc_cond) const |
| 5164 | 1383 { |
| 1384 Matrix retval; | |
| 1385 | |
| 5275 | 1386 octave_idx_type nr = rows (); |
| 1387 octave_idx_type nc = cols (); | |
| 5630 | 1388 octave_idx_type nm = (nc < nr ? nc : nr); |
| 5164 | 1389 err = 0; |
| 1390 | |
| 6924 | 1391 if (nr != b.rows ()) |
| 5164 | 1392 (*current_liboctave_error_handler) |
| 1393 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1394 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1395 retval = Matrix (nc, b.cols (), 0.0); | |
| 5164 | 1396 else |
| 1397 { | |
| 1398 // Print spparms("spumoni") info if requested | |
| 1399 int typ = mattype.type (); | |
| 1400 mattype.info (); | |
| 1401 | |
|
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|
1402 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
|
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|
1403 { |
|
14846
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|
1404 retval.resize (nc, b.cols (), 0.); |
|
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|
1405 if (typ == MatrixType::Diagonal) |
|
14846
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|
1406 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
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|
1407 for (octave_idx_type i = 0; i < nm; i++) |
|
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|
1408 retval(i,j) = b(i,j) / data (i); |
|
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|
1409 else |
|
14846
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|
1410 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
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|
1411 for (octave_idx_type k = 0; k < nc; k++) |
|
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|
1412 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
3d8ace26c5b4
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|
1413 retval(k,j) = b(ridx (i),j) / data (i); |
|
10314
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|
1414 |
|
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|
1415 if (calc_cond) |
|
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|
1416 { |
|
18084
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1417 double dmax = 0.; |
|
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
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18083
diff
changeset
|
1418 double dmin = octave_Inf; |
|
10314
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|
1419 for (octave_idx_type i = 0; i < nm; i++) |
|
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|
1420 { |
|
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|
1421 double tmp = fabs (data (i)); |
|
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|
1422 if (tmp > dmax) |
|
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|
1423 dmax = tmp; |
|
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|
1424 if (tmp < dmin) |
|
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|
1425 dmin = tmp; |
|
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|
1426 } |
|
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|
1427 rcond = dmin / dmax; |
|
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|
1428 } |
|
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|
1429 else |
|
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|
1430 rcond = 1.; |
|
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|
1431 } |
| 5164 | 1432 else |
|
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changeset
|
1433 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1434 } |
| 1435 | |
| 1436 return retval; | |
| 1437 } | |
| 1438 | |
| 1439 SparseMatrix | |
|
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|
1440 SparseMatrix::dsolve (MatrixType &mattype, const SparseMatrix& b, |
|
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|
1441 octave_idx_type& err, double& rcond, |
|
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|
1442 solve_singularity_handler, bool calc_cond) const |
| 5164 | 1443 { |
| 1444 SparseMatrix retval; | |
| 1445 | |
| 5275 | 1446 octave_idx_type nr = rows (); |
| 1447 octave_idx_type nc = cols (); | |
| 5630 | 1448 octave_idx_type nm = (nc < nr ? nc : nr); |
| 5164 | 1449 err = 0; |
| 1450 | |
| 6924 | 1451 if (nr != b.rows ()) |
| 5164 | 1452 (*current_liboctave_error_handler) |
| 1453 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1454 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1455 retval = SparseMatrix (nc, b.cols ()); | |
| 5164 | 1456 else |
| 1457 { | |
| 1458 // Print spparms("spumoni") info if requested | |
| 1459 int typ = mattype.type (); | |
| 1460 mattype.info (); | |
| 1461 | |
|
19864
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|
1462 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
|
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|
1463 { |
|
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changeset
|
1464 octave_idx_type b_nc = b.cols (); |
|
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|
1465 octave_idx_type b_nz = b.nnz (); |
|
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untabify liboctave C++ sources
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|
1466 retval = SparseMatrix (nc, b_nc, b_nz); |
|
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|
1467 |
|
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|
1468 retval.xcidx (0) = 0; |
|
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|
1469 octave_idx_type ii = 0; |
|
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|
1470 if (typ == MatrixType::Diagonal) |
|
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|
1471 for (octave_idx_type j = 0; j < b_nc; j++) |
|
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|
1472 { |
|
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|
1473 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
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|
1474 { |
|
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|
1475 if (b.ridx (i) >= nm) |
|
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|
1476 break; |
|
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|
1477 retval.xridx (ii) = b.ridx (i); |
|
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|
1478 retval.xdata (ii++) = b.data (i) / data (b.ridx (i)); |
|
10314
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|
1479 } |
|
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|
1480 retval.xcidx (j+1) = ii; |
|
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|
1481 } |
|
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|
1482 else |
|
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|
1483 for (octave_idx_type j = 0; j < b_nc; j++) |
|
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|
1484 { |
|
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changeset
|
1485 for (octave_idx_type l = 0; l < nc; l++) |
|
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|
1486 for (octave_idx_type i = cidx (l); i < cidx (l+1); i++) |
|
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|
1487 { |
|
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changeset
|
1488 bool found = false; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1489 octave_idx_type k; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1490 for (k = b.cidx (j); k < b.cidx (j+1); k++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1491 if (ridx (i) == b.ridx (k)) |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1492 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1493 found = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1494 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1495 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1496 if (found) |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1497 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1498 retval.xridx (ii) = l; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1499 retval.xdata (ii++) = b.data (k) / data (i); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
1500 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1501 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1502 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1503 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1504 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1505 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1506 { |
|
18084
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1507 double dmax = 0.; |
|
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1508 double dmin = octave_Inf; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1509 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1510 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1511 double tmp = fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1512 if (tmp > dmax) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1513 dmax = tmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1514 if (tmp < dmin) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1515 dmin = tmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1516 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1517 rcond = dmin / dmax; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1518 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1519 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1520 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1521 } |
| 5164 | 1522 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1523 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1524 } |
| 1525 | |
| 1526 return retval; | |
| 1527 } | |
| 1528 | |
| 1529 ComplexMatrix | |
| 5785 | 1530 SparseMatrix::dsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1531 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1532 solve_singularity_handler, bool calc_cond) const |
| 5164 | 1533 { |
| 1534 ComplexMatrix retval; | |
| 1535 | |
| 5275 | 1536 octave_idx_type nr = rows (); |
| 1537 octave_idx_type nc = cols (); | |
| 5630 | 1538 octave_idx_type nm = (nc < nr ? nc : nr); |
| 5164 | 1539 err = 0; |
| 1540 | |
| 6924 | 1541 if (nr != b.rows ()) |
| 5164 | 1542 (*current_liboctave_error_handler) |
| 1543 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1544 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1545 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 1546 else |
| 1547 { | |
| 1548 // Print spparms("spumoni") info if requested | |
| 1549 int typ = mattype.type (); | |
| 1550 mattype.info (); | |
| 1551 | |
|
19864
17d647821d61
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1552 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1553 { |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1554 retval.resize (nc, b.cols (), 0); |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1555 if (typ == MatrixType::Diagonal) |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1556 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
17769
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Rik <rik@octave.org>
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diff
changeset
|
1557 for (octave_idx_type i = 0; i < nm; i++) |
|
49a5a4be04a1
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Rik <rik@octave.org>
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changeset
|
1558 retval(i,j) = b(i,j) / data (i); |
|
10314
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diff
changeset
|
1559 else |
|
14846
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Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1560 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
1561 for (octave_idx_type k = 0; k < nc; k++) |
|
15018
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maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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diff
changeset
|
1562 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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diff
changeset
|
1563 retval(k,j) = b(ridx (i),j) / data (i); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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11574
diff
changeset
|
1564 |
|
10314
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untabify liboctave C++ sources
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changeset
|
1565 if (calc_cond) |
|
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untabify liboctave C++ sources
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diff
changeset
|
1566 { |
|
18084
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1567 double dmax = 0.; |
|
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1568 double dmin = octave_Inf; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1569 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1570 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
1571 double tmp = fabs (data (i)); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
1572 if (tmp > dmax) |
|
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untabify liboctave C++ sources
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changeset
|
1573 dmax = tmp; |
|
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untabify liboctave C++ sources
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changeset
|
1574 if (tmp < dmin) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1575 dmin = tmp; |
|
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diff
changeset
|
1576 } |
|
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diff
changeset
|
1577 rcond = dmin / dmax; |
|
07ebe522dac2
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10158
diff
changeset
|
1578 } |
|
07ebe522dac2
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diff
changeset
|
1579 else |
|
07ebe522dac2
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changeset
|
1580 rcond = 1.; |
|
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untabify liboctave C++ sources
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diff
changeset
|
1581 } |
| 5164 | 1582 else |
|
10314
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diff
changeset
|
1583 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1584 } |
| 1585 | |
| 1586 return retval; | |
| 1587 } | |
| 1588 | |
| 1589 SparseComplexMatrix | |
| 5785 | 1590 SparseMatrix::dsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
17769
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Rik <rik@octave.org>
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changeset
|
1591 octave_idx_type& err, double& rcond, |
|
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17744
diff
changeset
|
1592 solve_singularity_handler, bool calc_cond) const |
| 5164 | 1593 { |
| 1594 SparseComplexMatrix retval; | |
| 1595 | |
| 5275 | 1596 octave_idx_type nr = rows (); |
| 1597 octave_idx_type nc = cols (); | |
| 5630 | 1598 octave_idx_type nm = (nc < nr ? nc : nr); |
| 5164 | 1599 err = 0; |
| 1600 | |
| 6924 | 1601 if (nr != b.rows ()) |
| 5164 | 1602 (*current_liboctave_error_handler) |
| 1603 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1604 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1605 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 1606 else |
| 1607 { | |
| 1608 // Print spparms("spumoni") info if requested | |
| 1609 int typ = mattype.type (); | |
| 1610 mattype.info (); | |
| 1611 | |
|
19864
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1612 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
|
10314
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changeset
|
1613 { |
|
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changeset
|
1614 octave_idx_type b_nc = b.cols (); |
|
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untabify liboctave C++ sources
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changeset
|
1615 octave_idx_type b_nz = b.nnz (); |
|
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changeset
|
1616 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
|
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changeset
|
1617 |
|
15018
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diff
changeset
|
1618 retval.xcidx (0) = 0; |
|
10314
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changeset
|
1619 octave_idx_type ii = 0; |
|
07ebe522dac2
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diff
changeset
|
1620 if (typ == MatrixType::Diagonal) |
|
14846
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Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1621 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
10314
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changeset
|
1622 { |
|
15018
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Rik <rik@octave.org>
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changeset
|
1623 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
10314
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changeset
|
1624 { |
|
15018
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changeset
|
1625 if (b.ridx (i) >= nm) |
|
10314
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diff
changeset
|
1626 break; |
|
15018
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Rik <rik@octave.org>
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diff
changeset
|
1627 retval.xridx (ii) = b.ridx (i); |
|
3d8ace26c5b4
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changeset
|
1628 retval.xdata (ii++) = b.data (i) / data (b.ridx (i)); |
|
10314
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changeset
|
1629 } |
|
15018
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changeset
|
1630 retval.xcidx (j+1) = ii; |
|
10314
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changeset
|
1631 } |
|
07ebe522dac2
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changeset
|
1632 else |
|
14846
460a3c6d8bf1
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changeset
|
1633 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
10314
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changeset
|
1634 { |
|
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changeset
|
1635 for (octave_idx_type l = 0; l < nc; l++) |
|
15018
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changeset
|
1636 for (octave_idx_type i = cidx (l); i < cidx (l+1); i++) |
|
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changeset
|
1637 { |
|
07ebe522dac2
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changeset
|
1638 bool found = false; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1639 octave_idx_type k; |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
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changeset
|
1640 for (k = b.cidx (j); k < b.cidx (j+1); k++) |
|
3d8ace26c5b4
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Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1641 if (ridx (i) == b.ridx (k)) |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
1642 { |
|
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untabify liboctave C++ sources
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changeset
|
1643 found = true; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1644 break; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1645 } |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1646 if (found) |
|
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untabify liboctave C++ sources
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changeset
|
1647 { |
|
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untabify liboctave C++ sources
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diff
changeset
|
1648 retval.xridx (ii) = l; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
1649 retval.xdata (ii++) = b.data (k) / data (i); |
|
10314
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untabify liboctave C++ sources
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|
1650 } |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1651 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1652 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1653 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
1654 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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|
1655 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1656 { |
|
18084
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1657 double dmax = 0.; |
|
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1658 double dmin = octave_Inf; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1659 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1660 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1661 double tmp = fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1662 if (tmp > dmax) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1663 dmax = tmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1664 if (tmp < dmin) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1665 dmin = tmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1666 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1667 rcond = dmin / dmax; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1668 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1669 else |
|
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untabify liboctave C++ sources
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changeset
|
1670 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1671 } |
| 5164 | 1672 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1673 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1674 } |
| 1675 | |
| 1676 return retval; | |
| 1677 } | |
| 1678 | |
| 1679 Matrix | |
| 5785 | 1680 SparseMatrix::utsolve (MatrixType &mattype, const Matrix& b, |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
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|
1681 octave_idx_type& err, double& rcond, |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1682 solve_singularity_handler sing_handler, |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
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|
1683 bool calc_cond) const |
| 5164 | 1684 { |
| 1685 Matrix retval; | |
| 1686 | |
| 5275 | 1687 octave_idx_type nr = rows (); |
| 1688 octave_idx_type nc = cols (); | |
| 5630 | 1689 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 1690 err = 0; |
| 1691 | |
| 6924 | 1692 if (nr != b.rows ()) |
| 5164 | 1693 (*current_liboctave_error_handler) |
| 1694 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1695 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1696 retval = Matrix (nc, b.cols (), 0.0); | |
| 5164 | 1697 else |
| 1698 { | |
| 1699 // Print spparms("spumoni") info if requested | |
| 1700 int typ = mattype.type (); | |
| 1701 mattype.info (); | |
| 1702 | |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
1703 if (typ == MatrixType::Permuted_Upper || typ == MatrixType::Upper) |
|
10314
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diff
changeset
|
1704 { |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1705 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1706 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1707 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1708 rcond = 1.; |
|
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untabify liboctave C++ sources
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diff
changeset
|
1709 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1710 if (calc_cond) |
|
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untabify liboctave C++ sources
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diff
changeset
|
1711 { |
|
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untabify liboctave C++ sources
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changeset
|
1712 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1713 for (octave_idx_type j = 0; j < nc; j++) |
|
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diff
changeset
|
1714 { |
|
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untabify liboctave C++ sources
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10158
diff
changeset
|
1715 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1716 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
1717 atmp += fabs (data (i)); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
1718 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1719 anorm = atmp; |
|
07ebe522dac2
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10158
diff
changeset
|
1720 } |
|
07ebe522dac2
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diff
changeset
|
1721 } |
|
07ebe522dac2
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diff
changeset
|
1722 |
|
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untabify liboctave C++ sources
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changeset
|
1723 if (typ == MatrixType::Permuted_Upper) |
|
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untabify liboctave C++ sources
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diff
changeset
|
1724 { |
|
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untabify liboctave C++ sources
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changeset
|
1725 retval.resize (nc, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1726 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
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changeset
|
1727 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1728 |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1729 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1730 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1731 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1732 work[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1733 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1734 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1735 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1736 for (octave_idx_type k = nc-1; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1737 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1738 octave_idx_type kidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1739 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1740 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1741 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
1742 if (ridx (cidx (kidx+1)-1) != k |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
1743 || data (cidx (kidx+1)-1) == 0.) |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
1744 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1745 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1746 goto triangular_error; |
|
11586
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strip trailing whitespace from source files
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changeset
|
1747 } |
|
10314
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untabify liboctave C++ sources
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changeset
|
1748 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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diff
changeset
|
1749 double tmp = work[k] / data (cidx (kidx+1)-1); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
1750 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1751 for (octave_idx_type i = cidx (kidx); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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diff
changeset
|
1752 i < cidx (kidx+1)-1; i++) |
|
10314
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untabify liboctave C++ sources
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changeset
|
1753 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1754 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1755 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
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diff
changeset
|
1756 } |
|
07ebe522dac2
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diff
changeset
|
1757 } |
|
07ebe522dac2
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diff
changeset
|
1758 } |
|
07ebe522dac2
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changeset
|
1759 |
|
07ebe522dac2
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changeset
|
1760 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1761 retval.xelem (perm[i], j) = work[i]; |
|
07ebe522dac2
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diff
changeset
|
1762 } |
|
07ebe522dac2
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changeset
|
1763 |
|
07ebe522dac2
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changeset
|
1764 if (calc_cond) |
|
07ebe522dac2
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changeset
|
1765 { |
|
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changeset
|
1766 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1767 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
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changeset
|
1768 work[i] = 0.; |
|
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changeset
|
1769 |
|
07ebe522dac2
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changeset
|
1770 for (octave_idx_type j = 0; j < nr; j++) |
|
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changeset
|
1771 { |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1772 work[j] = 1.; |
|
07ebe522dac2
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changeset
|
1773 |
|
07ebe522dac2
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changeset
|
1774 for (octave_idx_type k = j; k >= 0; k--) |
|
07ebe522dac2
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changeset
|
1775 { |
|
07ebe522dac2
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changeset
|
1776 octave_idx_type iidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1777 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1778 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1779 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1780 double tmp = work[k] / data (cidx (iidx+1)-1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1781 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1782 for (octave_idx_type i = cidx (iidx); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1783 i < cidx (iidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1784 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1785 octave_idx_type idx2 = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1786 work[idx2] = work[idx2] - tmp * data (i); |
|
10314
07ebe522dac2
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10158
diff
changeset
|
1787 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1788 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1789 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
1790 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1791 for (octave_idx_type i = 0; i < j+1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1792 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1793 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1794 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1795 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
1796 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1797 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1798 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1799 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1800 } |
|
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diff
changeset
|
1801 } |
|
07ebe522dac2
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10158
diff
changeset
|
1802 else |
|
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diff
changeset
|
1803 { |
|
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diff
changeset
|
1804 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1805 retval.resize (nc, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1806 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
1807 for (octave_idx_type j = 0; j < b_nc; j++) |
|
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diff
changeset
|
1808 { |
|
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diff
changeset
|
1809 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1810 work[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1811 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1812 work[i] = 0.; |
|
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diff
changeset
|
1813 |
|
07ebe522dac2
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changeset
|
1814 for (octave_idx_type k = nc-1; k >= 0; k--) |
|
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changeset
|
1815 { |
|
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diff
changeset
|
1816 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1817 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
1818 if (ridx (cidx (k+1)-1) != k |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
1819 || data (cidx (k+1)-1) == 0.) |
|
10314
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diff
changeset
|
1820 { |
|
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diff
changeset
|
1821 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1822 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1823 } |
|
10314
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diff
changeset
|
1824 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1825 double tmp = work[k] / data (cidx (k+1)-1); |
|
10314
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10158
diff
changeset
|
1826 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1827 for (octave_idx_type i = cidx (k); i < cidx (k+1)-1; i++) |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
1828 { |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1829 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1830 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
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diff
changeset
|
1831 } |
|
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diff
changeset
|
1832 } |
|
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10158
diff
changeset
|
1833 } |
|
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10158
diff
changeset
|
1834 |
|
07ebe522dac2
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changeset
|
1835 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1836 retval.xelem (i, j) = work[i]; |
|
07ebe522dac2
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diff
changeset
|
1837 } |
|
07ebe522dac2
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10158
diff
changeset
|
1838 |
|
07ebe522dac2
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10158
diff
changeset
|
1839 if (calc_cond) |
|
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10158
diff
changeset
|
1840 { |
|
07ebe522dac2
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changeset
|
1841 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1842 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1843 work[i] = 0.; |
|
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10158
diff
changeset
|
1844 |
|
07ebe522dac2
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10158
diff
changeset
|
1845 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1846 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1847 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1848 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1849 for (octave_idx_type k = j; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1850 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1851 if (work[k] != 0.) |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1852 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1853 double tmp = work[k] / data (cidx (k+1)-1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1854 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1855 for (octave_idx_type i = cidx (k); i < cidx (k+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1856 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1857 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1858 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
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diff
changeset
|
1859 } |
|
07ebe522dac2
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diff
changeset
|
1860 } |
|
07ebe522dac2
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diff
changeset
|
1861 } |
|
07ebe522dac2
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diff
changeset
|
1862 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1863 for (octave_idx_type i = 0; i < j+1; i++) |
|
07ebe522dac2
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diff
changeset
|
1864 { |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
parents:
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diff
changeset
|
1865 atmp += fabs (work[i]); |
|
10314
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diff
changeset
|
1866 work[i] = 0.; |
|
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diff
changeset
|
1867 } |
|
07ebe522dac2
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diff
changeset
|
1868 if (atmp > ainvnorm) |
|
07ebe522dac2
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diff
changeset
|
1869 ainvnorm = atmp; |
|
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diff
changeset
|
1870 } |
|
07ebe522dac2
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diff
changeset
|
1871 rcond = 1. / ainvnorm / anorm; |
|
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diff
changeset
|
1872 } |
|
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diff
changeset
|
1873 } |
|
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diff
changeset
|
1874 |
|
07ebe522dac2
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diff
changeset
|
1875 triangular_error: |
|
07ebe522dac2
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diff
changeset
|
1876 if (err != 0) |
|
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diff
changeset
|
1877 { |
|
07ebe522dac2
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diff
changeset
|
1878 if (sing_handler) |
|
07ebe522dac2
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diff
changeset
|
1879 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1880 sing_handler (rcond); |
|
07ebe522dac2
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diff
changeset
|
1881 mattype.mark_as_rectangular (); |
|
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10158
diff
changeset
|
1882 } |
|
07ebe522dac2
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10158
diff
changeset
|
1883 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1884 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
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diff
changeset
|
1885 } |
|
07ebe522dac2
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diff
changeset
|
1886 |
|
07ebe522dac2
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diff
changeset
|
1887 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
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diff
changeset
|
1888 |
|
07ebe522dac2
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diff
changeset
|
1889 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
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10158
diff
changeset
|
1890 { |
|
07ebe522dac2
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diff
changeset
|
1891 err = -2; |
|
07ebe522dac2
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1892 |
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1893 if (sing_handler) |
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1894 { |
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1895 sing_handler (rcond); |
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1896 mattype.mark_as_rectangular (); |
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1897 } |
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1898 else |
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1899 warn_singular_matrix (rcond); |
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1900 } |
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1901 } |
| 5164 | 1902 else |
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1903 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1904 } |
| 1905 | |
| 1906 return retval; | |
| 1907 } | |
| 1908 | |
| 1909 SparseMatrix | |
| 5785 | 1910 SparseMatrix::utsolve (MatrixType &mattype, const SparseMatrix& b, |
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1911 octave_idx_type& err, double& rcond, |
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1912 solve_singularity_handler sing_handler, |
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1913 bool calc_cond) const |
| 5164 | 1914 { |
| 1915 SparseMatrix retval; | |
| 1916 | |
| 5275 | 1917 octave_idx_type nr = rows (); |
| 1918 octave_idx_type nc = cols (); | |
| 5630 | 1919 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 1920 err = 0; |
| 1921 | |
| 6924 | 1922 if (nr != b.rows ()) |
| 5164 | 1923 (*current_liboctave_error_handler) |
| 1924 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1925 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1926 retval = SparseMatrix (nc, b.cols ()); | |
| 5164 | 1927 else |
| 1928 { | |
| 1929 // Print spparms("spumoni") info if requested | |
| 1930 int typ = mattype.type (); | |
| 1931 mattype.info (); | |
| 1932 | |
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1933 if (typ == MatrixType::Permuted_Upper || typ == MatrixType::Upper) |
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1934 { |
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1935 double anorm = 0.; |
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1936 double ainvnorm = 0.; |
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1937 rcond = 1.; |
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1938 |
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1939 if (calc_cond) |
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1940 { |
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1941 // Calculate the 1-norm of matrix for rcond calculation |
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1942 for (octave_idx_type j = 0; j < nc; j++) |
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1943 { |
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1944 double atmp = 0.; |
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1945 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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1946 atmp += fabs (data (i)); |
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1947 if (atmp > anorm) |
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1948 anorm = atmp; |
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1949 } |
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1950 } |
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1951 |
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1952 octave_idx_type b_nc = b.cols (); |
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1953 octave_idx_type b_nz = b.nnz (); |
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1954 retval = SparseMatrix (nc, b_nc, b_nz); |
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1955 retval.xcidx (0) = 0; |
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1956 octave_idx_type ii = 0; |
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1957 octave_idx_type x_nz = b_nz; |
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1958 |
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1959 if (typ == MatrixType::Permuted_Upper) |
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1960 { |
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1961 octave_idx_type *perm = mattype.triangular_perm (); |
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1962 OCTAVE_LOCAL_BUFFER (double, work, nm); |
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1963 |
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1964 OCTAVE_LOCAL_BUFFER (octave_idx_type, rperm, nc); |
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1965 for (octave_idx_type i = 0; i < nc; i++) |
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1966 rperm[perm[i]] = i; |
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1967 |
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1968 for (octave_idx_type j = 0; j < b_nc; j++) |
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1969 { |
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1970 for (octave_idx_type i = 0; i < nm; i++) |
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1971 work[i] = 0.; |
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1972 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
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1973 work[b.ridx (i)] = b.data (i); |
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1974 |
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1975 for (octave_idx_type k = nc-1; k >= 0; k--) |
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1976 { |
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1977 octave_idx_type kidx = perm[k]; |
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1978 |
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1979 if (work[k] != 0.) |
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1980 { |
|
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1981 if (ridx (cidx (kidx+1)-1) != k |
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1982 || data (cidx (kidx+1)-1) == 0.) |
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1983 { |
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1984 err = -2; |
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1985 goto triangular_error; |
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1986 } |
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1987 |
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1988 double tmp = work[k] / data (cidx (kidx+1)-1); |
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1989 work[k] = tmp; |
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1990 for (octave_idx_type i = cidx (kidx); |
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1991 i < cidx (kidx+1)-1; i++) |
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1992 { |
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1993 octave_idx_type iidx = ridx (i); |
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1994 work[iidx] = work[iidx] - tmp * data (i); |
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1995 } |
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1996 } |
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1997 } |
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1998 |
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1999 // Count nonzeros in work vector and adjust space in |
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2000 // retval if needed |
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2001 octave_idx_type new_nnz = 0; |
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2002 for (octave_idx_type i = 0; i < nc; i++) |
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2003 if (work[i] != 0.) |
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2004 new_nnz++; |
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2005 |
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2006 if (ii + new_nnz > x_nz) |
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2007 { |
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2008 // Resize the sparse matrix |
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2009 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
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2010 retval.change_capacity (sz); |
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2011 x_nz = sz; |
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2012 } |
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2013 |
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2014 for (octave_idx_type i = 0; i < nc; i++) |
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2015 if (work[rperm[i]] != 0.) |
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2016 { |
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2017 retval.xridx (ii) = i; |
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2018 retval.xdata (ii++) = work[rperm[i]]; |
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2019 } |
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2020 retval.xcidx (j+1) = ii; |
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2021 } |
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2022 |
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2023 retval.maybe_compress (); |
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2024 |
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2025 if (calc_cond) |
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2026 { |
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2027 // Calculation of 1-norm of inv(*this) |
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2028 for (octave_idx_type i = 0; i < nm; i++) |
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2029 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2030 |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2031 for (octave_idx_type j = 0; j < nr; j++) |
|
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untabify liboctave C++ sources
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diff
changeset
|
2032 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2033 work[j] = 1.; |
|
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untabify liboctave C++ sources
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diff
changeset
|
2034 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2035 for (octave_idx_type k = j; k >= 0; k--) |
|
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untabify liboctave C++ sources
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diff
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|
2036 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2037 octave_idx_type iidx = perm[k]; |
|
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untabify liboctave C++ sources
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diff
changeset
|
2038 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2039 if (work[k] != 0.) |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2040 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2041 double tmp = work[k] / data (cidx (iidx+1)-1); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
2042 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2043 for (octave_idx_type i = cidx (iidx); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2044 i < cidx (iidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2045 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2046 octave_idx_type idx2 = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2047 work[idx2] = work[idx2] - tmp * data (i); |
|
10314
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diff
changeset
|
2048 } |
|
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diff
changeset
|
2049 } |
|
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diff
changeset
|
2050 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2051 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2052 for (octave_idx_type i = 0; i < j+1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2053 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
2054 atmp += fabs (work[i]); |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2055 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2056 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2057 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2058 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2059 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2060 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2061 } |
|
07ebe522dac2
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diff
changeset
|
2062 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2063 else |
|
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untabify liboctave C++ sources
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10158
diff
changeset
|
2064 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2065 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
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untabify liboctave C++ sources
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diff
changeset
|
2066 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2067 for (octave_idx_type j = 0; j < b_nc; j++) |
|
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untabify liboctave C++ sources
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diff
changeset
|
2068 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
2069 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2070 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2071 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2072 work[b.ridx (i)] = b.data (i); |
|
10314
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diff
changeset
|
2073 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2074 for (octave_idx_type k = nc-1; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2075 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2076 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2077 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2078 if (ridx (cidx (k+1)-1) != k |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2079 || data (cidx (k+1)-1) == 0.) |
|
10314
07ebe522dac2
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parents:
10158
diff
changeset
|
2080 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2081 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2082 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2083 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2084 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2085 double tmp = work[k] / data (cidx (k+1)-1); |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2086 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2087 for (octave_idx_type i = cidx (k); i < cidx (k+1)-1; i++) |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2088 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2089 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2090 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2091 } |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2092 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2093 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2094 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
2095 // Count nonzeros in work vector and adjust space in |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2096 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2097 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2098 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2099 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2100 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2101 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2102 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2103 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2104 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2105 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2106 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2107 x_nz = sz; |
|
07ebe522dac2
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parents:
10158
diff
changeset
|
2108 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2109 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2110 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2111 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2112 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2113 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2114 retval.xdata (ii++) = work[i]; |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2115 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2116 retval.xcidx (j+1) = ii; |
|
10314
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2117 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2118 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2119 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2120 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2121 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2122 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2123 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2124 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2125 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2126 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2127 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2128 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2129 work[j] = 1.; |
|
07ebe522dac2
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diff
changeset
|
2130 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2131 for (octave_idx_type k = j; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2132 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2133 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2134 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2135 double tmp = work[k] / data (cidx (k+1)-1); |
|
10314
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2136 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2137 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2138 i < cidx (k+1)-1; i++) |
|
10314
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2139 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2140 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2141 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2142 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2143 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2144 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2145 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2146 for (octave_idx_type i = 0; i < j+1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
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|
2147 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2148 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2149 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2150 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2151 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2152 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2153 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2154 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2155 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2156 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2157 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2158 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2159 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2160 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2161 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2162 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2163 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2164 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2165 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2166 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2167 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2168 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2169 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2170 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2171 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2172 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2173 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2174 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2175 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2176 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2177 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2178 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2179 mattype.mark_as_rectangular (); |
|
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untabify liboctave C++ sources
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diff
changeset
|
2180 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2181 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2182 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
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|
2183 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
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|
2184 } |
| 5164 | 2185 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2186 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 2187 } |
| 2188 return retval; | |
| 2189 } | |
| 2190 | |
| 2191 ComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
2192 SparseMatrix::utsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
2193 octave_idx_type& err, double& rcond, |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
2194 solve_singularity_handler sing_handler, |
|
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untabify liboctave C++ sources
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|
2195 bool calc_cond) const |
| 5164 | 2196 { |
| 2197 ComplexMatrix retval; | |
| 2198 | |
| 5275 | 2199 octave_idx_type nr = rows (); |
| 2200 octave_idx_type nc = cols (); | |
| 5630 | 2201 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 2202 err = 0; |
| 2203 | |
| 6924 | 2204 if (nr != b.rows ()) |
| 5164 | 2205 (*current_liboctave_error_handler) |
| 2206 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 2207 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 2208 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 2209 else |
| 2210 { | |
| 2211 // Print spparms("spumoni") info if requested | |
| 2212 int typ = mattype.type (); | |
| 2213 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
2214 |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2215 if (typ == MatrixType::Permuted_Upper || typ == MatrixType::Upper) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2216 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2217 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2218 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2219 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2220 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2221 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2222 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2223 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2224 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2225 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2226 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2227 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2228 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2229 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2230 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2231 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2232 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2233 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2234 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2235 if (typ == MatrixType::Permuted_Upper) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2236 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2237 retval.resize (nc, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2238 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2239 OCTAVE_LOCAL_BUFFER (Complex, cwork, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2240 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2241 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2242 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2243 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2244 cwork[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2245 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2246 cwork[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2247 |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2248 for (octave_idx_type k = nc-1; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2249 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2250 octave_idx_type kidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2251 |
|
07ebe522dac2
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diff
changeset
|
2252 if (cwork[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2253 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2254 if (ridx (cidx (kidx+1)-1) != k |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2255 || data (cidx (kidx+1)-1) == 0.) |
|
10314
07ebe522dac2
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diff
changeset
|
2256 { |
|
07ebe522dac2
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diff
changeset
|
2257 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2258 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
2259 } |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
2260 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2261 Complex tmp = cwork[k] / data (cidx (kidx+1)-1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2262 cwork[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2263 for (octave_idx_type i = cidx (kidx); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2264 i < cidx (kidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2265 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2266 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2267 cwork[iidx] = cwork[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
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diff
changeset
|
2268 } |
|
07ebe522dac2
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10158
diff
changeset
|
2269 } |
|
07ebe522dac2
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diff
changeset
|
2270 } |
|
07ebe522dac2
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10158
diff
changeset
|
2271 |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2272 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2273 retval.xelem (perm[i], j) = cwork[i]; |
|
07ebe522dac2
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10158
diff
changeset
|
2274 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2275 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2276 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2277 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2278 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2279 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2280 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2281 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2282 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2283 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2284 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2285 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2286 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2287 for (octave_idx_type k = j; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2288 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2289 octave_idx_type iidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2290 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2291 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2292 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2293 double tmp = work[k] / data (cidx (iidx+1)-1); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
2294 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2295 for (octave_idx_type i = cidx (iidx); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2296 i < cidx (iidx+1)-1; i++) |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2297 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2298 octave_idx_type idx2 = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2299 work[idx2] = work[idx2] - tmp * data (i); |
|
10314
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untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2300 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2301 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2302 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2303 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2304 for (octave_idx_type i = 0; i < j+1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2305 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2306 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2307 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2308 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2309 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2310 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2311 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2312 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2313 } |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2314 } |
|
07ebe522dac2
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10158
diff
changeset
|
2315 else |
|
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diff
changeset
|
2316 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2317 OCTAVE_LOCAL_BUFFER (Complex, cwork, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2318 retval.resize (nc, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2319 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2320 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2321 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2322 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2323 cwork[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2324 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2325 cwork[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2326 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2327 for (octave_idx_type k = nc-1; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2328 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2329 if (cwork[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2330 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2331 if (ridx (cidx (k+1)-1) != k |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2332 || data (cidx (k+1)-1) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2333 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2334 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2335 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2336 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2337 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2338 Complex tmp = cwork[k] / data (cidx (k+1)-1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2339 cwork[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2340 for (octave_idx_type i = cidx (k); i < cidx (k+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2341 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2342 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2343 cwork[iidx] = cwork[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2344 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2345 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2346 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2347 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2348 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2349 retval.xelem (i, j) = cwork[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2350 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2351 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2352 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2353 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2354 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2355 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2356 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2357 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2358 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2359 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2360 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2361 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2362 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2363 for (octave_idx_type k = j; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2364 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2365 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2366 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2367 double tmp = work[k] / data (cidx (k+1)-1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2368 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2369 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2370 i < cidx (k+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2371 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2372 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2373 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2374 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2375 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2376 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2377 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2378 for (octave_idx_type i = 0; i < j+1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2379 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2380 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2381 work[i] = 0.; |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2382 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2383 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2384 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2385 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2386 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2387 } |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2388 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2389 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2390 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2391 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2392 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2393 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2394 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2395 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2396 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2397 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2398 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2399 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2400 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2401 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2402 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2403 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2404 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2405 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2406 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2407 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2408 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2409 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2410 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2411 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2412 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2413 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2414 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2415 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2416 } |
| 5164 | 2417 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2418 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 2419 } |
| 2420 | |
| 2421 return retval; | |
| 2422 } | |
| 2423 | |
| 2424 SparseComplexMatrix | |
| 5785 | 2425 SparseMatrix::utsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2426 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2427 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2428 bool calc_cond) const |
| 5164 | 2429 { |
| 2430 SparseComplexMatrix retval; | |
| 2431 | |
| 5275 | 2432 octave_idx_type nr = rows (); |
| 2433 octave_idx_type nc = cols (); | |
| 5630 | 2434 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 2435 err = 0; |
| 2436 | |
| 6924 | 2437 if (nr != b.rows ()) |
| 5164 | 2438 (*current_liboctave_error_handler) |
| 2439 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 2440 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 2441 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 2442 else |
| 2443 { | |
| 2444 // Print spparms("spumoni") info if requested | |
| 2445 int typ = mattype.type (); | |
| 2446 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2447 |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2448 if (typ == MatrixType::Permuted_Upper || typ == MatrixType::Upper) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2449 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2450 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2451 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2452 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2453 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2454 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2455 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2456 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2457 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2458 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2459 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2460 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2461 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2462 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2463 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2464 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2465 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2466 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2467 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2468 octave_idx_type b_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2469 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2470 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2471 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2472 octave_idx_type x_nz = b_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2473 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2474 if (typ == MatrixType::Permuted_Upper) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2475 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2476 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2477 OCTAVE_LOCAL_BUFFER (Complex, cwork, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2478 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2479 OCTAVE_LOCAL_BUFFER (octave_idx_type, rperm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2480 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2481 rperm[perm[i]] = i; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2482 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2483 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2484 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2485 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2486 cwork[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2487 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2488 cwork[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2489 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2490 for (octave_idx_type k = nc-1; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2491 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2492 octave_idx_type kidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2493 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2494 if (cwork[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2495 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2496 if (ridx (cidx (kidx+1)-1) != k |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2497 || data (cidx (kidx+1)-1) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2498 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2499 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2500 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2501 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2502 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2503 Complex tmp = cwork[k] / data (cidx (kidx+1)-1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2504 cwork[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2505 for (octave_idx_type i = cidx (kidx); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2506 i < cidx (kidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2507 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2508 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2509 cwork[iidx] = cwork[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2510 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2511 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2512 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2513 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
2514 // Count nonzeros in work vector and adjust space in |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2515 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2516 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2517 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2518 if (cwork[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2519 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2520 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2521 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2522 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2523 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2524 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2525 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2526 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2527 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2528 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2529 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2530 if (cwork[rperm[i]] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2531 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2532 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2533 retval.xdata (ii++) = cwork[rperm[i]]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2534 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2535 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2536 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2537 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2538 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2539 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2540 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2541 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2542 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2543 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2544 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2545 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2546 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2547 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2548 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2549 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2550 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2551 for (octave_idx_type k = j; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2552 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2553 octave_idx_type iidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2554 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2555 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2556 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2557 double tmp = work[k] / data (cidx (iidx+1)-1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2558 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2559 for (octave_idx_type i = cidx (iidx); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2560 i < cidx (iidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2561 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2562 octave_idx_type idx2 = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2563 work[idx2] = work[idx2] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2564 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2565 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2566 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2567 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2568 for (octave_idx_type i = 0; i < j+1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2569 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2570 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2571 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2572 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2573 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2574 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2575 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2576 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2577 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2578 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2579 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2580 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2581 OCTAVE_LOCAL_BUFFER (Complex, cwork, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2582 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2583 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2584 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2585 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2586 cwork[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2587 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2588 cwork[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2589 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2590 for (octave_idx_type k = nc-1; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2591 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2592 if (cwork[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2593 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2594 if (ridx (cidx (k+1)-1) != k |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2595 || data (cidx (k+1)-1) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2596 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2597 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2598 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2599 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2600 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2601 Complex tmp = cwork[k] / data (cidx (k+1)-1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2602 cwork[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2603 for (octave_idx_type i = cidx (k); i < cidx (k+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2604 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2605 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2606 cwork[iidx] = cwork[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2607 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2608 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2609 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2610 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
2611 // Count nonzeros in work vector and adjust space in |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2612 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2613 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2614 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2615 if (cwork[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2616 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2617 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2618 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2619 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2620 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2621 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2622 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2623 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2624 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2625 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2626 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2627 if (cwork[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2628 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2629 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2630 retval.xdata (ii++) = cwork[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2631 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2632 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2633 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2634 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2635 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2636 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2637 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2638 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2639 // Calculation of 1-norm of inv(*this) |
|
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untabify liboctave C++ sources
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changeset
|
2640 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
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untabify liboctave C++ sources
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changeset
|
2641 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2642 work[i] = 0.; |
|
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untabify liboctave C++ sources
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diff
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|
2643 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2644 for (octave_idx_type j = 0; j < nr; j++) |
|
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untabify liboctave C++ sources
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diff
changeset
|
2645 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2646 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2647 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2648 for (octave_idx_type k = j; k >= 0; k--) |
|
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untabify liboctave C++ sources
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diff
changeset
|
2649 { |
|
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untabify liboctave C++ sources
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diff
changeset
|
2650 if (work[k] != 0.) |
|
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untabify liboctave C++ sources
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diff
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|
2651 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2652 double tmp = work[k] / data (cidx (k+1)-1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2653 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2654 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
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diff
changeset
|
2655 i < cidx (k+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2656 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2657 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2658 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
2659 } |
|
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diff
changeset
|
2660 } |
|
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diff
changeset
|
2661 } |
|
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untabify liboctave C++ sources
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diff
changeset
|
2662 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2663 for (octave_idx_type i = 0; i < j+1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2664 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2665 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2666 work[i] = 0.; |
|
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untabify liboctave C++ sources
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diff
changeset
|
2667 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2668 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2669 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2670 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2671 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2672 } |
|
07ebe522dac2
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diff
changeset
|
2673 } |
|
07ebe522dac2
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diff
changeset
|
2674 |
|
07ebe522dac2
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diff
changeset
|
2675 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2676 if (err != 0) |
|
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diff
changeset
|
2677 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2678 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2679 { |
|
07ebe522dac2
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diff
changeset
|
2680 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2681 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2682 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2683 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2684 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2685 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2686 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2687 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2688 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2689 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2690 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2691 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2692 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2693 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2694 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2695 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2696 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2697 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2698 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2699 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2700 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2701 } |
| 5164 | 2702 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2703 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 2704 } |
| 2705 | |
| 2706 return retval; | |
| 2707 } | |
| 2708 | |
| 2709 Matrix | |
| 5785 | 2710 SparseMatrix::ltsolve (MatrixType &mattype, const Matrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2711 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2712 solve_singularity_handler sing_handler, |
|
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untabify liboctave C++ sources
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parents:
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diff
changeset
|
2713 bool calc_cond) const |
| 5164 | 2714 { |
| 2715 Matrix retval; | |
| 2716 | |
| 5275 | 2717 octave_idx_type nr = rows (); |
| 2718 octave_idx_type nc = cols (); | |
| 5630 | 2719 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 2720 err = 0; |
| 2721 | |
| 6924 | 2722 if (nr != b.rows ()) |
| 5164 | 2723 (*current_liboctave_error_handler) |
| 2724 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 2725 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 2726 retval = Matrix (nc, b.cols (), 0.0); | |
| 5164 | 2727 else |
| 2728 { | |
| 2729 // Print spparms("spumoni") info if requested | |
| 2730 int typ = mattype.type (); | |
| 2731 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2732 |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2733 if (typ == MatrixType::Permuted_Lower || typ == MatrixType::Lower) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2734 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2735 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2736 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2737 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2738 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2739 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2740 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2741 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2742 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2743 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2744 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2745 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2746 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2747 atmp += fabs (data (i)); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
2748 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2749 anorm = atmp; |
|
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diff
changeset
|
2750 } |
|
07ebe522dac2
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diff
changeset
|
2751 } |
|
07ebe522dac2
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diff
changeset
|
2752 |
|
07ebe522dac2
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diff
changeset
|
2753 if (typ == MatrixType::Permuted_Lower) |
|
07ebe522dac2
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diff
changeset
|
2754 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2755 retval.resize (nc, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2756 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2757 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
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diff
changeset
|
2758 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2759 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
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diff
changeset
|
2760 { |
|
07ebe522dac2
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diff
changeset
|
2761 if (nc > nr) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2762 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2763 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2764 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
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changeset
|
2765 work[perm[i]] = b(i,j); |
|
07ebe522dac2
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diff
changeset
|
2766 |
|
07ebe522dac2
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changeset
|
2767 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
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diff
changeset
|
2768 { |
|
07ebe522dac2
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diff
changeset
|
2769 if (work[k] != 0.) |
|
07ebe522dac2
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diff
changeset
|
2770 { |
|
07ebe522dac2
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diff
changeset
|
2771 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2772 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2773 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2774 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2775 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2776 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2777 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2778 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2779 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2780 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2781 if (minr != k || data (mini) == 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2782 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2783 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2784 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2785 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2786 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2787 double tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2788 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2789 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2790 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2791 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2792 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2793 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2794 octave_idx_type iidx = perm[ridx (i)]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2795 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2796 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2797 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2798 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2799 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2800 for (octave_idx_type i = 0; i < nc; i++) |
|
14844
5bc9b9cb4362
maint: Use Octave coding conventions for cuddled parenthesis in retval assignments.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
2801 retval(i, j) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2802 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2803 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2804 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2805 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2806 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2807 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2808 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2809 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2810 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2811 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2812 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2813 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2814 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2815 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2816 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2817 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2818 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2819 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2820 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2821 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2822 i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2823 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2824 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2825 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2826 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2827 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2828 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2829 double tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2830 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2831 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2832 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2833 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2834 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2835 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2836 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2837 octave_idx_type iidx = perm[ridx (i)]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2838 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2839 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2840 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2841 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2842 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2843 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2844 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2845 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2846 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2847 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2848 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2849 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2850 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2851 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2852 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2853 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2854 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2855 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2856 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2857 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2858 retval.resize (nc, b_nc, 0.); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2859 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2860 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2861 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2862 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2863 work[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2864 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2865 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2866 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2867 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2868 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2869 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2870 if (ridx (cidx (k)) != k || data (cidx (k)) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2871 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2872 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2873 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2874 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2875 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2876 double tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2877 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2878 for (octave_idx_type i = cidx (k)+1; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2879 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2880 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2881 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2882 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2883 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2884 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2885 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2886 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2887 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2888 retval.xelem (i, j) = work[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2889 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2890 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2891 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2892 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2893 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2894 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2895 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2896 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2897 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2898 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2899 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2900 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2901 for (octave_idx_type k = j; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2902 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2903 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2904 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2905 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2906 double tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2907 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2908 for (octave_idx_type i = cidx (k)+1; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2909 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2910 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2911 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2912 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2913 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2914 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2915 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2916 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2917 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2918 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2919 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2920 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2921 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2922 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2923 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2924 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2925 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2926 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2927 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2928 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2929 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2930 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2931 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2932 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2933 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2934 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2935 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2936 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2937 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2938 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2939 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2940 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2941 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2942 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2943 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2944 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2945 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2946 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2947 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2948 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2949 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2950 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2951 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2952 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2953 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2954 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2955 } |
| 5164 | 2956 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2957 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 2958 } |
| 2959 | |
| 2960 return retval; | |
| 2961 } | |
| 2962 | |
| 2963 SparseMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2964 SparseMatrix::ltsolve (MatrixType &mattype, const SparseMatrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2965 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2966 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2967 bool calc_cond) const |
| 5164 | 2968 { |
| 2969 SparseMatrix retval; | |
| 2970 | |
| 5275 | 2971 octave_idx_type nr = rows (); |
| 2972 octave_idx_type nc = cols (); | |
| 5630 | 2973 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 2974 err = 0; |
| 2975 | |
| 6924 | 2976 if (nr != b.rows ()) |
| 5164 | 2977 (*current_liboctave_error_handler) |
| 2978 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 2979 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 2980 retval = SparseMatrix (nc, b.cols ()); | |
| 5164 | 2981 else |
| 2982 { | |
| 2983 // Print spparms("spumoni") info if requested | |
| 2984 int typ = mattype.type (); | |
| 2985 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2986 |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
2987 if (typ == MatrixType::Permuted_Lower || typ == MatrixType::Lower) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2988 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2989 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2990 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2991 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2992 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2993 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2994 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2995 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2996 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2997 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2998 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2999 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3000 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3001 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3002 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3003 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3004 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3005 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3006 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3007 octave_idx_type b_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3008 retval = SparseMatrix (nc, b_nc, b_nz); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3009 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3010 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3011 octave_idx_type x_nz = b_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3012 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3013 if (typ == MatrixType::Permuted_Lower) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3014 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3015 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3016 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3017 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3018 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3019 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3020 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3021 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3022 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3023 work[perm[b.ridx (i)]] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3024 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3025 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3026 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3027 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3028 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3029 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3030 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3031 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3032 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3033 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3034 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3035 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3036 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3037 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3038 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3039 if (minr != k || data (mini) == 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3040 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3041 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3042 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3043 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3044 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3045 double tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3046 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3047 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3048 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3049 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3050 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3051 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3052 octave_idx_type iidx = perm[ridx (i)]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3053 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3054 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3055 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3056 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3057 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
3058 // Count nonzeros in work vector and adjust space in |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3059 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3060 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3061 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3062 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3063 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3064 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3065 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3066 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3067 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3068 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3069 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3070 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3071 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3072 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3073 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3074 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3075 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3076 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3077 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3078 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3079 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3080 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3081 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3082 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3083 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3084 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3085 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3086 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3087 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3088 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3089 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3090 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3091 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3092 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3093 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3094 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3095 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3096 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3097 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3098 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3099 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3100 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3101 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3102 i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3103 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3104 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3105 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3106 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3107 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3108 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3109 double tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3110 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3111 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3112 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3113 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3114 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3115 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3116 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3117 octave_idx_type iidx = perm[ridx (i)]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3118 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3119 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3120 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3121 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3122 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3123 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3124 for (octave_idx_type i = j; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3125 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3126 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3127 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3128 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3129 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3130 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3131 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3132 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3133 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3134 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3135 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3136 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3137 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3138 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3139 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3140 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3141 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3142 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3143 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3144 work[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3145 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3146 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3147 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3148 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3149 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
3150 if (ridx (cidx (k)) != k || data (cidx (k)) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3151 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3152 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3153 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3154 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3155 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3156 double tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3157 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3158 for (octave_idx_type i = cidx (k)+1; i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3159 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3160 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3161 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3162 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3163 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3164 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3165 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
3166 // Count nonzeros in work vector and adjust space in |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3167 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3168 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3169 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3170 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3171 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3172 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3173 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3174 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3175 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3176 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3177 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3178 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3179 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3180 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3181 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3182 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3183 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3184 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3185 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3186 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3187 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3188 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3189 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3190 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3191 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3192 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3193 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3194 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3195 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3196 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3197 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3198 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3199 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3200 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3201 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3202 for (octave_idx_type k = j; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3203 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3204 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3205 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3206 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3207 double tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3208 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3209 for (octave_idx_type i = cidx (k)+1; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3210 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3211 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3212 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3213 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3214 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3215 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3216 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3217 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3218 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3219 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3220 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3221 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3222 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3223 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3224 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3225 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3226 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3227 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3228 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3229 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3230 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3231 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3232 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3233 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3234 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3235 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3236 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3237 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3238 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3239 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3240 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3241 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3242 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3243 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3244 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3245 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3246 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3247 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3248 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3249 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3250 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3251 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3252 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3253 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3254 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3255 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3256 } |
| 5164 | 3257 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3258 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 3259 } |
| 3260 | |
| 3261 return retval; | |
| 3262 } | |
| 3263 | |
| 3264 ComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3265 SparseMatrix::ltsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3266 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3267 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3268 bool calc_cond) const |
| 5164 | 3269 { |
| 3270 ComplexMatrix retval; | |
| 3271 | |
| 5275 | 3272 octave_idx_type nr = rows (); |
| 3273 octave_idx_type nc = cols (); | |
| 5630 | 3274 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 3275 err = 0; |
| 3276 | |
| 6924 | 3277 if (nr != b.rows ()) |
| 5164 | 3278 (*current_liboctave_error_handler) |
| 3279 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 3280 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 3281 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 3282 else |
| 3283 { | |
| 3284 // Print spparms("spumoni") info if requested | |
| 3285 int typ = mattype.type (); | |
| 3286 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3287 |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
3288 if (typ == MatrixType::Permuted_Lower || typ == MatrixType::Lower) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3289 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3290 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3291 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3292 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3293 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3294 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3295 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3296 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3297 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3298 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3299 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3300 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3301 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3302 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3303 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3304 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3305 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3306 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3307 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3308 if (typ == MatrixType::Permuted_Lower) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3309 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3310 retval.resize (nc, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3311 OCTAVE_LOCAL_BUFFER (Complex, cwork, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3312 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3313 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3314 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3315 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3316 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3317 cwork[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3318 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3319 cwork[perm[i]] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3320 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3321 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3322 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3323 if (cwork[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3324 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3325 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3326 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3327 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3328 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3329 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3330 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3331 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3332 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3333 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3334 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3335 if (minr != k || data (mini) == 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3336 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3337 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3338 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3339 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3340 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3341 Complex tmp = cwork[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3342 cwork[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3343 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3344 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3345 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3346 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3347 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3348 octave_idx_type iidx = perm[ridx (i)]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3349 cwork[iidx] = cwork[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3350 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3351 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3352 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3353 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3354 for (octave_idx_type i = 0; i < nc; i++) |
|
14844
5bc9b9cb4362
maint: Use Octave coding conventions for cuddled parenthesis in retval assignments.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3355 retval(i, j) = cwork[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3356 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3357 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3358 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3359 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3360 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3361 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3362 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3363 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3364 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3365 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3366 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3367 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3368 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3369 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3370 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3371 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3372 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3373 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3374 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3375 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3376 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3377 i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3378 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3379 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3380 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3381 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3382 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3383 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3384 double tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3385 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3386 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3387 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3388 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3389 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3390 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3391 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3392 octave_idx_type iidx = perm[ridx (i)]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3393 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3394 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3395 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3396 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3397 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3398 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3399 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3400 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3401 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3402 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3403 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3404 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3405 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3406 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3407 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3408 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3409 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3410 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3411 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3412 OCTAVE_LOCAL_BUFFER (Complex, cwork, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3413 retval.resize (nc, b_nc, 0.); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3414 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3415 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3416 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3417 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3418 cwork[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3419 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3420 cwork[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3421 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3422 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3423 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3424 if (cwork[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3425 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
3426 if (ridx (cidx (k)) != k || data (cidx (k)) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3427 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3428 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3429 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3430 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3431 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3432 Complex tmp = cwork[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3433 cwork[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3434 for (octave_idx_type i = cidx (k)+1; i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3435 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3436 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3437 cwork[iidx] = cwork[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3438 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3439 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3440 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3441 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3442 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3443 retval.xelem (i, j) = cwork[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3444 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3445 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3446 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3447 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3448 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3449 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3450 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3451 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3452 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3453 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3454 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3455 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3456 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3457 for (octave_idx_type k = j; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3458 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3459 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3460 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3461 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3462 double tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3463 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3464 for (octave_idx_type i = cidx (k)+1; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3465 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3466 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3467 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3468 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3469 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3470 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3471 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3472 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3473 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3474 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3475 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3476 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3477 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3478 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3479 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3480 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3481 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3482 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3483 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3484 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3485 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3486 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3487 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3488 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3489 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3490 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3491 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3492 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3493 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3494 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3495 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3496 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3497 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3498 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3499 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3500 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3501 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3502 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3503 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3504 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3505 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3506 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3507 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3508 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3509 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3510 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3511 } |
| 5164 | 3512 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3513 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 3514 } |
| 3515 | |
| 3516 return retval; | |
| 3517 } | |
| 3518 | |
| 3519 SparseComplexMatrix | |
| 5785 | 3520 SparseMatrix::ltsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3521 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3522 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3523 bool calc_cond) const |
| 5164 | 3524 { |
| 3525 SparseComplexMatrix retval; | |
| 3526 | |
| 5275 | 3527 octave_idx_type nr = rows (); |
| 3528 octave_idx_type nc = cols (); | |
| 5630 | 3529 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 3530 err = 0; |
| 3531 | |
| 6924 | 3532 if (nr != b.rows ()) |
| 5164 | 3533 (*current_liboctave_error_handler) |
| 3534 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 3535 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 3536 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 3537 else |
| 3538 { | |
| 3539 // Print spparms("spumoni") info if requested | |
| 3540 int typ = mattype.type (); | |
| 3541 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3542 |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
3543 if (typ == MatrixType::Permuted_Lower || typ == MatrixType::Lower) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3544 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3545 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3546 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3547 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3548 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3549 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3550 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3551 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3552 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3553 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3554 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3555 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3556 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3557 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3558 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3559 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3560 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3561 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3562 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3563 octave_idx_type b_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3564 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3565 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3566 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3567 octave_idx_type x_nz = b_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3568 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3569 if (typ == MatrixType::Permuted_Lower) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3570 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3571 OCTAVE_LOCAL_BUFFER (Complex, cwork, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3572 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3573 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3574 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3575 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3576 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3577 cwork[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3578 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3579 cwork[perm[b.ridx (i)]] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3580 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3581 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3582 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3583 if (cwork[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3584 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3585 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3586 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3587 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3588 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3589 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3590 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3591 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3592 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3593 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3594 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3595 if (minr != k || data (mini) == 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3596 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3597 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3598 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3599 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3600 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3601 Complex tmp = cwork[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3602 cwork[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3603 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3604 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3605 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3606 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3607 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3608 octave_idx_type iidx = perm[ridx (i)]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3609 cwork[iidx] = cwork[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3610 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3611 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3612 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3613 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
3614 // Count nonzeros in work vector and adjust space in |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3615 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3616 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3617 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3618 if (cwork[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3619 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3620 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3621 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3622 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3623 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3624 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3625 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3626 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3627 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3628 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3629 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3630 if (cwork[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3631 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3632 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3633 retval.xdata (ii++) = cwork[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3634 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3635 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3636 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3637 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3638 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3639 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3640 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3641 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3642 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3643 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3644 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3645 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3646 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3647 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3648 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3649 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3650 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3651 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3652 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3653 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3654 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3655 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3656 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3657 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3658 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3659 i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3660 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3661 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3662 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3663 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3664 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3665 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3666 double tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3667 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3668 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3669 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3670 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3671 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3672 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3673 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3674 octave_idx_type iidx = perm[ridx (i)]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3675 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3676 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3677 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3678 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3679 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3680 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3681 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3682 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3683 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3684 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3685 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3686 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3687 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3688 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3689 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3690 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3691 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3692 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3693 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3694 OCTAVE_LOCAL_BUFFER (Complex, cwork, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3695 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3696 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3697 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3698 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3699 cwork[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3700 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3701 cwork[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3702 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3703 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3704 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3705 if (cwork[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3706 { |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
3707 if (ridx (cidx (k)) != k || data (cidx (k)) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3708 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3709 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3710 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3711 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3712 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3713 Complex tmp = cwork[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3714 cwork[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3715 for (octave_idx_type i = cidx (k)+1; i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3716 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3717 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3718 cwork[iidx] = cwork[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3719 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3720 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3721 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3722 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
3723 // Count nonzeros in work vector and adjust space in |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3724 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3725 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3726 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3727 if (cwork[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3728 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3729 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3730 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3731 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3732 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3733 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3734 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3735 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3736 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3737 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3738 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3739 if (cwork[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3740 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3741 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3742 retval.xdata (ii++) = cwork[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3743 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3744 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3745 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3746 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3747 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3748 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3749 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3750 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3751 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3752 OCTAVE_LOCAL_BUFFER (double, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3753 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3754 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3755 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3756 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3757 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3758 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3759 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3760 for (octave_idx_type k = j; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3761 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3762 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3763 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3764 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3765 double tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3766 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3767 for (octave_idx_type i = cidx (k)+1; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3768 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3769 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3770 octave_idx_type iidx = ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3771 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3772 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3773 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3774 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3775 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3776 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3777 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3778 atmp += fabs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3779 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3780 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3781 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3782 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3783 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3784 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3785 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3786 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3787 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3788 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3789 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3790 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3791 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3792 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3793 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3794 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3795 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3796 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3797 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3798 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3799 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3800 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3801 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3802 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3803 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3804 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3805 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3806 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3807 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3808 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3809 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3810 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3811 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3812 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3813 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3814 } |
| 5164 | 3815 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3816 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 3817 } |
| 3818 | |
| 3819 return retval; | |
| 3820 } | |
| 3821 | |
| 3822 Matrix | |
| 5785 | 3823 SparseMatrix::trisolve (MatrixType &mattype, const Matrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3824 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3825 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3826 bool calc_cond) const |
| 5164 | 3827 { |
| 3828 Matrix retval; | |
| 3829 | |
| 5275 | 3830 octave_idx_type nr = rows (); |
| 3831 octave_idx_type nc = cols (); | |
| 5164 | 3832 err = 0; |
| 3833 | |
| 6924 | 3834 if (nr != nc || nr != b.rows ()) |
| 5164 | 3835 (*current_liboctave_error_handler) |
| 3836 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 3837 else if (nr == 0 || b.cols () == 0) |
| 3838 retval = Matrix (nc, b.cols (), 0.0); | |
| 5681 | 3839 else if (calc_cond) |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3840 (*current_liboctave_error_handler) |
| 5681 | 3841 ("calculation of condition number not implemented"); |
| 5164 | 3842 else |
| 3843 { | |
| 3844 // Print spparms("spumoni") info if requested | |
| 3845 volatile int typ = mattype.type (); | |
| 3846 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3847 |
| 5785 | 3848 if (typ == MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3849 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3850 OCTAVE_LOCAL_BUFFER (double, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3851 OCTAVE_LOCAL_BUFFER (double, DL, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3852 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3853 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3854 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3855 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3856 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3857 for (octave_idx_type j = 0; j < nc-1; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3858 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3859 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3860 DL[j] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3861 ii += 2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3862 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3863 D[nc-1] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3864 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3865 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3866 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3867 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3868 for (octave_idx_type i = 0; i < nr - 1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3869 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3870 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3871 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3872 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3873 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3874 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3875 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3876 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3877 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3878 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3879 else if (ridx (i) == j + 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3880 DL[j] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3881 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3882 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3883 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
3884 octave_idx_type b_nc = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3885 retval = b; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3886 double *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3887 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3888 F77_XFCN (dptsv, DPTSV, (nr, b_nc, D, DL, result, |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
3889 b.rows (), err)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3890 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3891 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3892 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3893 err = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3894 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3895 typ = MatrixType::Tridiagonal; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3896 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3897 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3898 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3899 } |
| 5164 | 3900 |
| 5785 | 3901 if (typ == MatrixType::Tridiagonal) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3902 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3903 OCTAVE_LOCAL_BUFFER (double, DU, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3904 OCTAVE_LOCAL_BUFFER (double, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3905 OCTAVE_LOCAL_BUFFER (double, DL, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3906 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3907 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3908 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3909 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3910 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3911 for (octave_idx_type j = 0; j < nc-1; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3912 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3913 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3914 DL[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3915 DU[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3916 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3917 D[nc-1] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3918 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3919 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3920 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3921 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3922 for (octave_idx_type i = 0; i < nr - 1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3923 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3924 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3925 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3926 DU[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3927 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3928 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3929 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3930 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3931 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3932 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3933 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3934 else if (ridx (i) == j + 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3935 DL[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3936 else if (ridx (i) == j - 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3937 DU[j-1] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3938 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3939 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3940 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
3941 octave_idx_type b_nc = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3942 retval = b; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3943 double *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3944 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3945 F77_XFCN (dgtsv, DGTSV, (nr, b_nc, DL, D, DU, result, |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
3946 b.rows (), err)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3947 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3948 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3949 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3950 rcond = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3951 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3952 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3953 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3954 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3955 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3956 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3957 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3958 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3959 warn_singular_matrix (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3960 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3961 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3962 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3963 } |
| 5785 | 3964 else if (typ != MatrixType::Tridiagonal_Hermitian) |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3965 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 3966 } |
| 3967 | |
| 3968 return retval; | |
| 3969 } | |
| 3970 | |
| 3971 SparseMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3972 SparseMatrix::trisolve (MatrixType &mattype, const SparseMatrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3973 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3974 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3975 bool calc_cond) const |
| 5164 | 3976 { |
| 3977 SparseMatrix retval; | |
| 3978 | |
| 5275 | 3979 octave_idx_type nr = rows (); |
| 3980 octave_idx_type nc = cols (); | |
| 5164 | 3981 err = 0; |
| 3982 | |
| 6924 | 3983 if (nr != nc || nr != b.rows ()) |
| 5164 | 3984 (*current_liboctave_error_handler) |
| 3985 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 3986 else if (nr == 0 || b.cols () == 0) |
| 3987 retval = SparseMatrix (nc, b.cols ()); | |
| 5681 | 3988 else if (calc_cond) |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3989 (*current_liboctave_error_handler) |
| 5681 | 3990 ("calculation of condition number not implemented"); |
| 5164 | 3991 else |
| 3992 { | |
| 3993 // Print spparms("spumoni") info if requested | |
| 3994 int typ = mattype.type (); | |
| 3995 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3996 |
| 5164 | 3997 // Note can't treat symmetric case as there is no dpttrf function |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
3998 if (typ == MatrixType::Tridiagonal |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
3999 || typ == MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4000 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4001 OCTAVE_LOCAL_BUFFER (double, DU2, nr - 2); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4002 OCTAVE_LOCAL_BUFFER (double, DU, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4003 OCTAVE_LOCAL_BUFFER (double, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4004 OCTAVE_LOCAL_BUFFER (double, DL, nr - 1); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4005 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4006 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4007 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4008 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4009 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4010 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4011 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4012 for (octave_idx_type j = 0; j < nc-1; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4013 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4014 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4015 DL[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4016 DU[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4017 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4018 D[nc-1] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4019 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4020 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4021 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4022 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4023 for (octave_idx_type i = 0; i < nr - 1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4024 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4025 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4026 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4027 DU[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4028 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4029 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4030 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4031 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4032 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4033 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4034 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4035 else if (ridx (i) == j + 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4036 DL[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4037 else if (ridx (i) == j - 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4038 DU[j-1] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4039 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4040 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4041 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4042 F77_XFCN (dgttrf, DGTTRF, (nr, DL, D, DU, DU2, pipvt, err)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4043 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4044 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4045 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4046 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4047 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4048 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4049 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4050 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4051 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4052 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4053 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4054 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4055 warn_singular_matrix (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4056 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4057 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4058 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4059 rcond = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4060 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4061 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4062 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4063 retval = SparseMatrix (nr, b_nc, x_nz); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4064 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4065 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4066 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4067 OCTAVE_LOCAL_BUFFER (double, work, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4068 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4069 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4070 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4071 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4072 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4073 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4074 work[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4075 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4076 F77_XFCN (dgttrs, DGTTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4077 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4078 nr, 1, DL, D, DU, DU2, pipvt, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4079 work, b.rows (), err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4080 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4081 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
4082 // Count nonzeros in work vector and adjust |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4083 // space in retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4084 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4085 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4086 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4087 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4088 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4089 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4090 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4091 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4092 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4093 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4094 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4095 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4096 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4097 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4098 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4099 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4100 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4101 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4102 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4103 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4104 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4105 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4106 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4107 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4108 } |
| 5785 | 4109 else if (typ != MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4110 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4111 } |
| 4112 | |
| 4113 return retval; | |
| 4114 } | |
| 4115 | |
| 4116 ComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4117 SparseMatrix::trisolve (MatrixType &mattype, const ComplexMatrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4118 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4119 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4120 bool calc_cond) const |
| 5164 | 4121 { |
| 4122 ComplexMatrix retval; | |
| 4123 | |
| 5275 | 4124 octave_idx_type nr = rows (); |
| 4125 octave_idx_type nc = cols (); | |
| 5164 | 4126 err = 0; |
| 4127 | |
| 6924 | 4128 if (nr != nc || nr != b.rows ()) |
| 5164 | 4129 (*current_liboctave_error_handler) |
| 4130 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 4131 else if (nr == 0 || b.cols () == 0) |
| 4132 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5681 | 4133 else if (calc_cond) |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4134 (*current_liboctave_error_handler) |
| 5681 | 4135 ("calculation of condition number not implemented"); |
| 5164 | 4136 else |
| 4137 { | |
| 4138 // Print spparms("spumoni") info if requested | |
| 4139 volatile int typ = mattype.type (); | |
| 4140 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4141 |
| 5785 | 4142 if (typ == MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4143 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4144 OCTAVE_LOCAL_BUFFER (double, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4145 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4146 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4147 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4148 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4149 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4150 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4151 for (octave_idx_type j = 0; j < nc-1; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4152 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4153 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
4154 DL[j] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4155 ii += 2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4156 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
4157 D[nc-1] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4158 } |
|
07ebe522dac2
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10158
diff
changeset
|
4159 else |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4160 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4161 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4162 for (octave_idx_type i = 0; i < nr - 1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4163 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4164 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4165 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4166 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4167 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4168 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4169 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4170 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4171 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4172 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4173 else if (ridx (i) == j + 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4174 DL[j] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4175 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4176 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4177 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4178 octave_idx_type b_nr = b.rows (); |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
4179 octave_idx_type b_nc = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4180 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4181 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4182 retval = b; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4183 Complex *result = retval.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4184 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4185 F77_XFCN (zptsv, ZPTSV, (nr, b_nc, D, DL, result, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4186 b_nr, err)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4187 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4188 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4189 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4190 err = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4191 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4192 typ = MatrixType::Tridiagonal; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4193 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4194 } |
| 5164 | 4195 |
| 5785 | 4196 if (typ == MatrixType::Tridiagonal) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4197 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4198 OCTAVE_LOCAL_BUFFER (Complex, DU, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4199 OCTAVE_LOCAL_BUFFER (Complex, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4200 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4201 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4202 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4203 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4204 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4205 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4206 for (octave_idx_type j = 0; j < nc-1; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4207 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4208 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4209 DL[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4210 DU[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4211 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4212 D[nc-1] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4213 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4214 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4215 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4216 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4217 for (octave_idx_type i = 0; i < nr - 1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4218 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4219 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4220 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4221 DU[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4222 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4223 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4224 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4225 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4226 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4227 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4228 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4229 else if (ridx (i) == j + 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4230 DL[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4231 else if (ridx (i) == j - 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4232 DU[j-1] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4233 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4234 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4235 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
4236 octave_idx_type b_nr = b.rows (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
4237 octave_idx_type b_nc = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4238 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4239 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4240 retval = b; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4241 Complex *result = retval.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4242 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4243 F77_XFCN (zgtsv, ZGTSV, (nr, b_nc, DL, D, DU, result, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4244 b_nr, err)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4245 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4246 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4247 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4248 rcond = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4249 err = -2; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4250 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4251 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4252 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4253 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4254 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4255 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4256 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4257 warn_singular_matrix (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4258 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4259 } |
| 5785 | 4260 else if (typ != MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4261 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4262 } |
| 4263 | |
| 4264 return retval; | |
| 4265 } | |
| 4266 | |
| 4267 SparseComplexMatrix | |
| 5785 | 4268 SparseMatrix::trisolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4269 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4270 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4271 bool calc_cond) const |
| 5164 | 4272 { |
| 4273 SparseComplexMatrix retval; | |
| 4274 | |
| 5275 | 4275 octave_idx_type nr = rows (); |
| 4276 octave_idx_type nc = cols (); | |
| 5164 | 4277 err = 0; |
| 4278 | |
| 6924 | 4279 if (nr != nc || nr != b.rows ()) |
| 5164 | 4280 (*current_liboctave_error_handler) |
| 4281 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 4282 else if (nr == 0 || b.cols () == 0) |
| 4283 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5681 | 4284 else if (calc_cond) |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4285 (*current_liboctave_error_handler) |
| 5681 | 4286 ("calculation of condition number not implemented"); |
| 5164 | 4287 else |
| 4288 { | |
| 4289 // Print spparms("spumoni") info if requested | |
| 4290 int typ = mattype.type (); | |
| 4291 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4292 |
| 5164 | 4293 // Note can't treat symmetric case as there is no dpttrf function |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
4294 if (typ == MatrixType::Tridiagonal |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
4295 || typ == MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4296 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4297 OCTAVE_LOCAL_BUFFER (double, DU2, nr - 2); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4298 OCTAVE_LOCAL_BUFFER (double, DU, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4299 OCTAVE_LOCAL_BUFFER (double, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4300 OCTAVE_LOCAL_BUFFER (double, DL, nr - 1); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4301 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4302 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4303 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4304 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4305 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4306 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4307 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4308 for (octave_idx_type j = 0; j < nc-1; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4309 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4310 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4311 DL[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4312 DU[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4313 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4314 D[nc-1] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4315 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4316 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4317 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4318 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4319 for (octave_idx_type i = 0; i < nr - 1; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4320 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4321 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4322 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4323 DU[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4324 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4325 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4326 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4327 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4328 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4329 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4330 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4331 else if (ridx (i) == j + 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4332 DL[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4333 else if (ridx (i) == j - 1) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4334 DU[j-1] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4335 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4336 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4337 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4338 F77_XFCN (dgttrf, DGTTRF, (nr, DL, D, DU, DU2, pipvt, err)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4339 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4340 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4341 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4342 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4343 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4344 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4345 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4346 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4347 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4348 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4349 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4350 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4351 warn_singular_matrix (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4352 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4353 else |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4354 { |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4355 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4356 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4357 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4358 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4359 OCTAVE_LOCAL_BUFFER (double, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4360 OCTAVE_LOCAL_BUFFER (double, Bz, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4361 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
4362 // Take a first guess that the number of nonzero terms |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4363 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4364 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4365 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4366 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4367 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4368 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4369 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4370 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4371 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4372 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4373 { |
|
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
18080
diff
changeset
|
4374 Complex c = b(i,j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4375 Bx[i] = std::real (c); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4376 Bz[i] = std::imag (c); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4377 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4378 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4379 F77_XFCN (dgttrs, DGTTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4380 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4381 nr, 1, DL, D, DU, DU2, pipvt, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4382 Bx, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4383 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4384 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4385 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4386 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4387 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4388 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4389 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4390 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4391 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4392 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4393 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4394 F77_XFCN (dgttrs, DGTTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4395 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4396 nr, 1, DL, D, DU, DU2, pipvt, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4397 Bz, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4398 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4399 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4400 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4401 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4402 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4403 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4404 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4405 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4406 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4407 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4408 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
4409 // Count nonzeros in work vector and adjust |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4410 // space in retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4411 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4412 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4413 if (Bx[i] != 0. || Bz[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4414 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4415 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4416 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4417 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4418 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4419 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4420 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4421 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4422 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4423 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4424 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4425 if (Bx[i] != 0. || Bz[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4426 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4427 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4428 retval.xdata (ii++) = |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4429 Complex (Bx[i], Bz[i]); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4430 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4431 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4432 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4433 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4434 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4435 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4436 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4437 } |
| 5785 | 4438 else if (typ != MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4439 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4440 } |
| 4441 | |
| 4442 return retval; | |
| 4443 } | |
| 4444 | |
| 4445 Matrix | |
| 5785 | 4446 SparseMatrix::bsolve (MatrixType &mattype, const Matrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4447 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4448 solve_singularity_handler sing_handler, |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4449 bool calc_cond) const |
| 5164 | 4450 { |
| 4451 Matrix retval; | |
| 4452 | |
| 5275 | 4453 octave_idx_type nr = rows (); |
| 4454 octave_idx_type nc = cols (); | |
| 5164 | 4455 err = 0; |
| 4456 | |
| 6924 | 4457 if (nr != nc || nr != b.rows ()) |
| 5164 | 4458 (*current_liboctave_error_handler) |
| 4459 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 4460 else if (nr == 0 || b.cols () == 0) |
| 4461 retval = Matrix (nc, b.cols (), 0.0); | |
| 5164 | 4462 else |
| 4463 { | |
| 4464 // Print spparms("spumoni") info if requested | |
| 4465 volatile int typ = mattype.type (); | |
| 4466 mattype.info (); | |
| 4467 | |
| 5785 | 4468 if (typ == MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4469 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4470 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4471 octave_idx_type ldm = n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4472 Matrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4473 double *tmp_data = m_band.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
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|
4474 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4475 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4476 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4477 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4478 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4479 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4480 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4481 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4482 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4483 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4484 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4485 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4486 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4487 octave_idx_type ri = ridx (i); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4488 if (ri >= j) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4489 m_band(ri - j, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4490 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4491 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4492 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4493 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4494 if (calc_cond) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4495 anorm = m_band.abs ().sum ().row (0).max (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4496 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4497 char job = 'L'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4498 F77_XFCN (dpbtrf, DPBTRF, (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4499 nr, n_lower, tmp_data, ldm, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4500 F77_CHAR_ARG_LEN (1))); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4501 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4502 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4503 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4504 // Matrix is not positive definite!! Fall through to |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4505 // unsymmetric banded solver. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4506 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4507 typ = MatrixType::Banded; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4508 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4509 err = 0; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4510 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4511 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4512 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4513 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4514 { |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4515 Array<double> z (dim_vector (3 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4516 double *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4517 Array<octave_idx_type> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4518 octave_idx_type *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4519 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4520 F77_XFCN (dpbcon, DPBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4521 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4522 nr, n_lower, tmp_data, ldm, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4523 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4524 F77_CHAR_ARG_LEN (1))); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4525 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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11574
diff
changeset
|
4526 if (err != 0) |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
4527 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4528 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4529 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4530 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4531 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4532 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4533 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4534 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4535 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4536 { |
|
07ebe522dac2
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10158
diff
changeset
|
4537 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4538 mattype.mark_as_rectangular (); |
|
07ebe522dac2
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diff
changeset
|
4539 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4540 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4541 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4542 } |
|
07ebe522dac2
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10158
diff
changeset
|
4543 } |
|
07ebe522dac2
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10158
diff
changeset
|
4544 else |
|
07ebe522dac2
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10158
diff
changeset
|
4545 rcond = 1.; |
|
07ebe522dac2
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10158
diff
changeset
|
4546 |
|
07ebe522dac2
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10158
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changeset
|
4547 if (err == 0) |
|
07ebe522dac2
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10158
diff
changeset
|
4548 { |
|
07ebe522dac2
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diff
changeset
|
4549 retval = b; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4550 double *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4551 |
|
07ebe522dac2
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10158
diff
changeset
|
4552 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4553 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
4554 F77_XFCN (dpbtrs, DPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4555 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4556 nr, n_lower, b_nc, tmp_data, |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
4557 ldm, result, b.rows (), err |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4558 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4559 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4560 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4561 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4562 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4563 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4564 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4565 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4566 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4567 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4568 } |
| 5164 | 4569 |
| 5785 | 4570 if (typ == MatrixType::Banded) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4571 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4572 // Create the storage for the banded form of the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4573 octave_idx_type n_upper = mattype.nupper (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4574 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4575 octave_idx_type ldm = n_upper + 2 * n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4576 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4577 Matrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4578 double *tmp_data = m_band.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4579 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4580 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4581 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4582 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4583 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4584 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4585 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4586 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4587 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4588 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4589 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4590 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4591 m_band(ridx (i) - j + n_lower + n_upper, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4592 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4593 // Calculate the norm of the matrix, for later use. |
|
18676
5bd1ca29c5f0
Clean up questionable code bits identified by clang sanitize.
Rik <rik@octave.org>
parents:
18110
diff
changeset
|
4594 double anorm = 0.0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4595 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4596 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4597 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4598 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4599 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4600 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4601 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4602 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4603 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4604 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4605 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4606 |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4607 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4608 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4609 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4610 F77_XFCN (dgbtrf, DGBTRF, (nr, nr, n_lower, n_upper, tmp_data, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4611 ldm, pipvt, err)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4612 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4613 // Throw-away extra info LAPACK gives so as to not |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4614 // change output. |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4615 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4616 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4617 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4618 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4619 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4620 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4621 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4622 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4623 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4624 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4625 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4626 warn_singular_matrix (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4627 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4628 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4629 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4630 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4631 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4632 char job = '1'; |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4633 Array<double> z (dim_vector (3 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4634 double *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4635 Array<octave_idx_type> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4636 octave_idx_type *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4637 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4638 F77_XFCN (dgbcon, DGBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4639 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4640 nc, n_lower, n_upper, tmp_data, ldm, pipvt, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4641 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4642 F77_CHAR_ARG_LEN (1))); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4643 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4644 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4645 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4646 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4647 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4648 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4649 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4650 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4651 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4652 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4653 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4654 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4655 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4656 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4657 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4658 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4659 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4660 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4661 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4662 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4663 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4664 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4665 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4666 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4667 retval = b; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4668 double *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4669 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4670 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4671 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4672 char job = 'N'; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4673 F77_XFCN (dgbtrs, DGBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4674 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4675 nr, n_lower, n_upper, b_nc, tmp_data, |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
4676 ldm, pipvt, result, b.rows (), err |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4677 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4678 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4679 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4680 } |
| 5785 | 4681 else if (typ != MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4682 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4683 } |
| 4684 | |
| 4685 return retval; | |
| 4686 } | |
| 4687 | |
| 4688 SparseMatrix | |
| 5785 | 4689 SparseMatrix::bsolve (MatrixType &mattype, const SparseMatrix& b, |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4690 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4691 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4692 bool calc_cond) const |
| 5164 | 4693 { |
| 4694 SparseMatrix retval; | |
| 4695 | |
| 5275 | 4696 octave_idx_type nr = rows (); |
| 4697 octave_idx_type nc = cols (); | |
| 5164 | 4698 err = 0; |
| 4699 | |
| 6924 | 4700 if (nr != nc || nr != b.rows ()) |
| 5164 | 4701 (*current_liboctave_error_handler) |
| 4702 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 4703 else if (nr == 0 || b.cols () == 0) |
| 4704 retval = SparseMatrix (nc, b.cols ()); | |
| 5164 | 4705 else |
| 4706 { | |
| 4707 // Print spparms("spumoni") info if requested | |
| 4708 volatile int typ = mattype.type (); | |
| 4709 mattype.info (); | |
| 4710 | |
| 5785 | 4711 if (typ == MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4712 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4713 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4714 octave_idx_type ldm = n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4715 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4716 Matrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4717 double *tmp_data = m_band.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4718 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4719 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4720 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4721 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4722 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4723 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4724 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4725 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4726 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4727 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4728 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4729 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4730 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4731 octave_idx_type ri = ridx (i); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4732 if (ri >= j) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4733 m_band(ri - j, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4734 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4735 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4736 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4737 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4738 if (calc_cond) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4739 anorm = m_band.abs ().sum ().row (0).max (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4740 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4741 char job = 'L'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4742 F77_XFCN (dpbtrf, DPBTRF, (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4743 nr, n_lower, tmp_data, ldm, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4744 F77_CHAR_ARG_LEN (1))); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4745 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4746 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4747 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4748 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4749 typ = MatrixType::Banded; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4750 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4751 err = 0; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4752 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4753 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4754 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4755 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4756 { |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4757 Array<double> z (dim_vector (3 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4758 double *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4759 Array<octave_idx_type> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4760 octave_idx_type *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4761 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4762 F77_XFCN (dpbcon, DPBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4763 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4764 nr, n_lower, tmp_data, ldm, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4765 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4766 F77_CHAR_ARG_LEN (1))); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4767 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4768 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4769 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4770 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4771 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4772 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4773 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4774 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4775 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4776 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4777 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4778 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4779 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4780 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4781 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4782 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4783 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4784 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4785 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4786 else |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4787 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4788 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4789 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4790 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4791 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4792 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4793 OCTAVE_LOCAL_BUFFER (double, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4794 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
4795 // Take a first guess that the number of nonzero terms |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4796 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4797 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4798 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4799 retval = SparseMatrix (b_nr, b_nc, x_nz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4800 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4801 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4802 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4803 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4804 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4805 Bx[i] = b.elem (i, j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4806 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4807 F77_XFCN (dpbtrs, DPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4808 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4809 nr, n_lower, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4810 ldm, Bx, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4811 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4812 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4813 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4814 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4815 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4816 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4817 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4818 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4819 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4820 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4821 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4822 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4823 double tmp = Bx[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4824 if (tmp != 0.0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4825 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4826 if (ii == x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4827 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4828 // Resize the sparse matrix |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4829 octave_idx_type sz = x_nz * |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4830 (b_nc - j) / b_nc; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4831 sz = (sz > 10 ? sz : 10) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4832 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4833 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4834 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4835 retval.xdata (ii) = tmp; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4836 retval.xridx (ii++) = i; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4837 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4838 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4839 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4840 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4841 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4842 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4843 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4844 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4845 } |
| 5164 | 4846 |
| 5785 | 4847 if (typ == MatrixType::Banded) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4848 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4849 // Create the storage for the banded form of the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4850 octave_idx_type n_upper = mattype.nupper (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4851 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4852 octave_idx_type ldm = n_upper + 2 * n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4853 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4854 Matrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4855 double *tmp_data = m_band.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4856 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4857 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4858 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4859 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4860 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4861 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4862 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4863 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4864 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4865 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4866 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4867 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4868 m_band(ridx (i) - j + n_lower + n_upper, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4869 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4870 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4871 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4872 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4873 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4874 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4875 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4876 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4877 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4878 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4879 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4880 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4881 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4882 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4883 |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4884 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4885 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4886 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4887 F77_XFCN (dgbtrf, DGBTRF, (nr, nr, n_lower, n_upper, tmp_data, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4888 ldm, pipvt, err)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4889 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4890 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4891 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4892 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4893 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4894 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4895 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4896 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4897 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4898 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4899 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4900 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4901 warn_singular_matrix (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4902 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4903 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4904 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4905 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4906 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4907 char job = '1'; |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4908 Array<double> z (dim_vector (3 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4909 double *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4910 Array<octave_idx_type> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4911 octave_idx_type *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4912 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4913 F77_XFCN (dgbcon, DGBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4914 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4915 nc, n_lower, n_upper, tmp_data, ldm, pipvt, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4916 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4917 F77_CHAR_ARG_LEN (1))); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4918 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4919 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4920 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4921 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4922 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4923 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4924 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4925 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4926 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4927 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4928 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4929 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4930 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4931 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4932 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4933 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4934 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4935 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4936 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4937 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4938 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4939 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4940 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4941 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4942 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4943 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4944 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4945 retval = SparseMatrix (nr, b_nc, x_nz); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4946 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4947 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4948 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4949 OCTAVE_LOCAL_BUFFER (double, work, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4950 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4951 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4952 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4953 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4954 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4955 for (octave_idx_type i = b.cidx (j); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4956 i < b.cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4957 work[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4958 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4959 F77_XFCN (dgbtrs, DGBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4960 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4961 nr, n_lower, n_upper, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4962 ldm, pipvt, work, b.rows (), err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4963 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4964 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
4965 // Count nonzeros in work vector and adjust |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4966 // space in retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4967 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4968 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4969 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4970 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4971 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4972 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4973 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4974 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4975 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4976 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4977 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4978 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4979 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4980 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4981 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4982 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4983 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4984 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4985 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4986 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4987 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4988 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4989 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4990 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4991 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4992 } |
| 5785 | 4993 else if (typ != MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4994 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4995 } |
| 4996 | |
| 4997 return retval; | |
| 4998 } | |
| 4999 | |
| 5000 ComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5001 SparseMatrix::bsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5002 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5003 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5004 bool calc_cond) const |
| 5164 | 5005 { |
| 5006 ComplexMatrix retval; | |
| 5007 | |
| 5275 | 5008 octave_idx_type nr = rows (); |
| 5009 octave_idx_type nc = cols (); | |
| 5164 | 5010 err = 0; |
| 5011 | |
| 6924 | 5012 if (nr != nc || nr != b.rows ()) |
| 5164 | 5013 (*current_liboctave_error_handler) |
| 5014 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 5015 else if (nr == 0 || b.cols () == 0) |
| 5016 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 5017 else |
| 5018 { | |
| 5019 // Print spparms("spumoni") info if requested | |
| 5020 volatile int typ = mattype.type (); | |
| 5021 mattype.info (); | |
| 5022 | |
| 5785 | 5023 if (typ == MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5024 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5025 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5026 octave_idx_type ldm = n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5027 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5028 Matrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5029 double *tmp_data = m_band.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5030 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5031 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5032 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5033 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5034 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5035 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5036 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5037 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5038 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5039 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5040 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5041 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5042 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5043 octave_idx_type ri = ridx (i); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5044 if (ri >= j) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5045 m_band(ri - j, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5046 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5047 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5048 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5049 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5050 if (calc_cond) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5051 anorm = m_band.abs ().sum ().row (0).max (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5052 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5053 char job = 'L'; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5054 F77_XFCN (dpbtrf, DPBTRF, (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5055 nr, n_lower, tmp_data, ldm, err |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5056 F77_CHAR_ARG_LEN (1))); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5057 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5058 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5059 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5060 // Matrix is not positive definite!! Fall through to |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5061 // unsymmetric banded solver. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5062 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5063 typ = MatrixType::Banded; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5064 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5065 err = 0; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5066 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5067 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5068 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5069 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5070 { |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5071 Array<double> z (dim_vector (3 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5072 double *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5073 Array<octave_idx_type> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5074 octave_idx_type *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5075 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5076 F77_XFCN (dpbcon, DPBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5077 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5078 nr, n_lower, tmp_data, ldm, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5079 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5080 F77_CHAR_ARG_LEN (1))); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5081 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5082 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5083 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5084 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5085 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5086 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5087 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5088 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5089 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5090 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5091 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5092 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5093 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5094 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5095 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5096 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5097 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5098 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5099 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5100 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5101 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5102 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5103 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5104 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5105 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5106 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5107 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5108 OCTAVE_LOCAL_BUFFER (double, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5109 OCTAVE_LOCAL_BUFFER (double, Bz, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5110 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5111 retval.resize (b_nr, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5112 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5113 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5114 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5115 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5116 { |
|
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
18080
diff
changeset
|
5117 Complex c = b(i,j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5118 Bx[i] = std::real (c); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5119 Bz[i] = std::imag (c); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5120 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5121 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5122 F77_XFCN (dpbtrs, DPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5123 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5124 nr, n_lower, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5125 ldm, Bx, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5126 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5127 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5128 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5129 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5130 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5131 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5132 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5133 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5134 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5135 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5136 F77_XFCN (dpbtrs, DPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5137 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5138 nr, n_lower, 1, tmp_data, |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5139 ldm, Bz, b.rows (), err |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5140 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5141 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5142 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5143 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5144 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5145 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5146 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5147 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5148 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5149 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5150 for (octave_idx_type i = 0; i < b_nr; i++) |
|
14844
5bc9b9cb4362
maint: Use Octave coding conventions for cuddled parenthesis in retval assignments.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
5151 retval(i, j) = Complex (Bx[i], Bz[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5152 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5153 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5154 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5155 } |
| 5164 | 5156 |
| 5785 | 5157 if (typ == MatrixType::Banded) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5158 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5159 // Create the storage for the banded form of the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5160 octave_idx_type n_upper = mattype.nupper (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5161 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5162 octave_idx_type ldm = n_upper + 2 * n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5163 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5164 Matrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5165 double *tmp_data = m_band.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5166 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5167 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5168 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5169 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5170 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5171 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5172 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5173 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5174 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5175 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5176 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5177 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5178 m_band(ridx (i) - j + n_lower + n_upper, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5179 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5180 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5181 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5182 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5183 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5184 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5185 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5186 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5187 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5188 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5189 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5190 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5191 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5192 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5193 |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5194 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5195 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5196 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5197 F77_XFCN (dgbtrf, DGBTRF, (nr, nr, n_lower, n_upper, tmp_data, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5198 ldm, pipvt, err)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5199 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5200 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5201 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5202 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5203 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5204 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5205 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5206 { |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5207 sing_handler (rcond); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5208 mattype.mark_as_rectangular (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5209 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5210 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5211 warn_singular_matrix (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5212 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5213 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5214 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5215 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5216 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5217 char job = '1'; |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5218 Array<double> z (dim_vector (3 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5219 double *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5220 Array<octave_idx_type> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5221 octave_idx_type *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5222 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5223 F77_XFCN (dpbcon, DPBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5224 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5225 nr, n_lower, tmp_data, ldm, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5226 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5227 F77_CHAR_ARG_LEN (1))); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5228 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5229 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5230 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5231 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5232 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5233 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5234 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5235 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5236 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5237 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5238 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5239 { |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5240 sing_handler (rcond); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5241 mattype.mark_as_rectangular (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5242 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5243 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5244 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5245 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5246 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5247 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5248 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5249 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5250 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5251 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5252 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5253 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5254 retval.resize (nr,b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5255 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5256 OCTAVE_LOCAL_BUFFER (double, Bz, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5257 OCTAVE_LOCAL_BUFFER (double, Bx, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5258 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5259 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5260 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5261 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5262 { |
|
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
18080
diff
changeset
|
5263 Complex c = b(i, j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5264 Bx[i] = std::real (c); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5265 Bz[i] = std::imag (c); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5266 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5267 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5268 F77_XFCN (dgbtrs, DGBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5269 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5270 nr, n_lower, n_upper, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5271 ldm, pipvt, Bx, b.rows (), err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5272 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5273 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5274 F77_XFCN (dgbtrs, DGBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5275 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5276 nr, n_lower, n_upper, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5277 ldm, pipvt, Bz, b.rows (), err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5278 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5279 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5280 for (octave_idx_type i = 0; i < nr; i++) |
|
14844
5bc9b9cb4362
maint: Use Octave coding conventions for cuddled parenthesis in retval assignments.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
5281 retval(i, j) = Complex (Bx[i], Bz[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5282 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5283 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5284 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5285 } |
| 5785 | 5286 else if (typ != MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5287 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 5288 } |
| 5289 | |
| 5290 return retval; | |
| 5291 } | |
| 5292 | |
| 5293 SparseComplexMatrix | |
| 5785 | 5294 SparseMatrix::bsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
5295 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5296 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5297 bool calc_cond) const |
| 5164 | 5298 { |
| 5299 SparseComplexMatrix retval; | |
| 5300 | |
| 5275 | 5301 octave_idx_type nr = rows (); |
| 5302 octave_idx_type nc = cols (); | |
| 5164 | 5303 err = 0; |
| 5304 | |
| 6924 | 5305 if (nr != nc || nr != b.rows ()) |
| 5164 | 5306 (*current_liboctave_error_handler) |
| 5307 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 5308 else if (nr == 0 || b.cols () == 0) |
| 5309 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 5310 else |
| 5311 { | |
| 5312 // Print spparms("spumoni") info if requested | |
| 5313 volatile int typ = mattype.type (); | |
| 5314 mattype.info (); | |
| 5315 | |
| 5785 | 5316 if (typ == MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5317 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5318 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5319 octave_idx_type ldm = n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5320 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5321 Matrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5322 double *tmp_data = m_band.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
5323 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5324 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5325 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5326 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5327 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5328 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5329 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5330 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5331 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5332 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5333 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5334 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5335 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5336 octave_idx_type ri = ridx (i); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5337 if (ri >= j) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5338 m_band(ri - j, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5339 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5340 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5341 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5342 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5343 if (calc_cond) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5344 anorm = m_band.abs ().sum ().row (0).max (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5345 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5346 char job = 'L'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5347 F77_XFCN (dpbtrf, DPBTRF, (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5348 nr, n_lower, tmp_data, ldm, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5349 F77_CHAR_ARG_LEN (1))); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5350 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5351 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5352 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5353 // Matrix is not positive definite!! Fall through to |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5354 // unsymmetric banded solver. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5355 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5356 typ = MatrixType::Banded; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5357 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5358 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5359 err = 0; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5360 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5361 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5362 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5363 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5364 { |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5365 Array<double> z (dim_vector (3 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5366 double *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5367 Array<octave_idx_type> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5368 octave_idx_type *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5369 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5370 F77_XFCN (dpbcon, DPBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5371 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5372 nr, n_lower, tmp_data, ldm, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5373 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5374 F77_CHAR_ARG_LEN (1))); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5375 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5376 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5377 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5378 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5379 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5380 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5381 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5382 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5383 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5384 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5385 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5386 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5387 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5388 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5389 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5390 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5391 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5392 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5393 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5394 else |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5395 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5396 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5397 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5398 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5399 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5400 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5401 OCTAVE_LOCAL_BUFFER (double, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5402 OCTAVE_LOCAL_BUFFER (double, Bz, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5403 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
5404 // Take a first guess that the number of nonzero terms |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5405 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5406 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5407 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5408 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5409 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5410 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5411 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5412 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5413 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5414 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5415 { |
|
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
18080
diff
changeset
|
5416 Complex c = b(i,j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5417 Bx[i] = std::real (c); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5418 Bz[i] = std::imag (c); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5419 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5420 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5421 F77_XFCN (dpbtrs, DPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5422 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5423 nr, n_lower, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5424 ldm, Bx, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5425 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5426 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5427 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5428 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5429 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5430 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5431 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5432 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5433 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5434 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5435 F77_XFCN (dpbtrs, DPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5436 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5437 nr, n_lower, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5438 ldm, Bz, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5439 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5440 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5441 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5442 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5443 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5444 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5445 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5446 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5447 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5448 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5449 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
5450 // Count nonzeros in work vector and adjust |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5451 // space in retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5452 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5453 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5454 if (Bx[i] != 0. || Bz[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5455 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5456 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5457 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5458 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5459 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5460 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5461 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5462 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5463 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5464 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5465 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5466 if (Bx[i] != 0. || Bz[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5467 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5468 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5469 retval.xdata (ii++) = |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5470 Complex (Bx[i], Bz[i]); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5471 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5472 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5473 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5474 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5475 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5476 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5477 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5478 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5479 } |
| 5164 | 5480 |
| 5785 | 5481 if (typ == MatrixType::Banded) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5482 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5483 // Create the storage for the banded form of the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5484 octave_idx_type n_upper = mattype.nupper (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5485 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5486 octave_idx_type ldm = n_upper + 2 * n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5487 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5488 Matrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5489 double *tmp_data = m_band.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5490 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5491 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5492 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5493 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5494 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5495 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5496 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5497 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5498 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5499 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5500 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5501 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5502 m_band(ridx (i) - j + n_lower + n_upper, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5503 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5504 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5505 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5506 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5507 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5508 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5509 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5510 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5511 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5512 atmp += fabs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5513 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5514 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5515 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5516 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5517 |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5518 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5519 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5520 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5521 F77_XFCN (dgbtrf, DGBTRF, (nr, nr, n_lower, n_upper, tmp_data, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5522 ldm, pipvt, err)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5523 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5524 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5525 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5526 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5527 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5528 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5529 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5530 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5531 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5532 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5533 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5534 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5535 warn_singular_matrix (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5536 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5537 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5538 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5539 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5540 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5541 char job = '1'; |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5542 Array<double> z (dim_vector (3 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5543 double *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5544 Array<octave_idx_type> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5545 octave_idx_type *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5546 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5547 F77_XFCN (dgbcon, DGBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5548 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5549 nc, n_lower, n_upper, tmp_data, ldm, pipvt, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5550 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5551 F77_CHAR_ARG_LEN (1))); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5552 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5553 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5554 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5555 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5556 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5557 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5558 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5559 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5560 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5561 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5562 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5563 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5564 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5565 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5566 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5567 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5568 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5569 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5570 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5571 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5572 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5573 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5574 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5575 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5576 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5577 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5578 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5579 retval = SparseComplexMatrix (nr, b_nc, x_nz); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5580 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5581 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5582 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5583 OCTAVE_LOCAL_BUFFER (double, Bx, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5584 OCTAVE_LOCAL_BUFFER (double, Bz, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5585 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5586 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5587 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5588 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5589 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5590 Bx[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5591 Bz[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5592 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5593 for (octave_idx_type i = b.cidx (j); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5594 i < b.cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5595 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5596 Complex c = b.data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5597 Bx[b.ridx (i)] = std::real (c); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5598 Bz[b.ridx (i)] = std::imag (c); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5599 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5600 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5601 F77_XFCN (dgbtrs, DGBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5602 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5603 nr, n_lower, n_upper, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5604 ldm, pipvt, Bx, b.rows (), err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5605 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5606 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5607 F77_XFCN (dgbtrs, DGBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5608 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5609 nr, n_lower, n_upper, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5610 ldm, pipvt, Bz, b.rows (), err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5611 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5612 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
5613 // Count nonzeros in work vector and adjust |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5614 // space in retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5615 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5616 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5617 if (Bx[i] != 0. || Bz[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5618 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5619 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5620 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5621 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5622 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5623 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5624 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5625 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5626 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5627 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5628 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5629 if (Bx[i] != 0. || Bz[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5630 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5631 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5632 retval.xdata (ii++) = |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5633 Complex (Bx[i], Bz[i]); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5634 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5635 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5636 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5637 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5638 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5639 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5640 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5641 } |
| 5785 | 5642 else if (typ != MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5643 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 5644 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5645 |
| 5164 | 5646 return retval; |
| 5647 } | |
| 5648 | |
| 5649 void * | |
| 5681 | 5650 SparseMatrix::factorize (octave_idx_type& err, double &rcond, Matrix &Control, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5651 Matrix &Info, solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5652 bool calc_cond) const |
| 5164 | 5653 { |
| 5654 // The return values | |
| 5404 | 5655 void *Numeric = 0; |
| 5164 | 5656 err = 0; |
| 5657 | |
| 5203 | 5658 #ifdef HAVE_UMFPACK |
| 5164 | 5659 // Setup the control parameters |
| 5660 Control = Matrix (UMFPACK_CONTROL, 1); | |
| 5661 double *control = Control.fortran_vec (); | |
| 5322 | 5662 UMFPACK_DNAME (defaults) (control); |
| 5164 | 5663 |
| 5893 | 5664 double tmp = octave_sparse_params::get_key ("spumoni"); |
|
20955
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents:
19864
diff
changeset
|
5665 if (! xisnan (tmp)) |
| 5164 | 5666 Control (UMFPACK_PRL) = tmp; |
| 5893 | 5667 tmp = octave_sparse_params::get_key ("piv_tol"); |
|
20955
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents:
19864
diff
changeset
|
5668 if (! xisnan (tmp)) |
| 5164 | 5669 { |
| 5670 Control (UMFPACK_SYM_PIVOT_TOLERANCE) = tmp; | |
| 5671 Control (UMFPACK_PIVOT_TOLERANCE) = tmp; | |
| 5672 } | |
| 5673 | |
| 5674 // Set whether we are allowed to modify Q or not | |
| 5893 | 5675 tmp = octave_sparse_params::get_key ("autoamd"); |
|
20955
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents:
19864
diff
changeset
|
5676 if (! xisnan (tmp)) |
| 5164 | 5677 Control (UMFPACK_FIXQ) = tmp; |
| 5678 | |
| 5322 | 5679 UMFPACK_DNAME (report_control) (control); |
| 5164 | 5680 |
| 5275 | 5681 const octave_idx_type *Ap = cidx (); |
| 5682 const octave_idx_type *Ai = ridx (); | |
| 5164 | 5683 const double *Ax = data (); |
| 5275 | 5684 octave_idx_type nr = rows (); |
| 5685 octave_idx_type nc = cols (); | |
| 5164 | 5686 |
| 5322 | 5687 UMFPACK_DNAME (report_matrix) (nr, nc, Ap, Ai, Ax, 1, control); |
| 5164 | 5688 |
| 5689 void *Symbolic; | |
| 5690 Info = Matrix (1, UMFPACK_INFO); | |
| 5691 double *info = Info.fortran_vec (); | |
| 7520 | 5692 int status = UMFPACK_DNAME (qsymbolic) (nr, nc, Ap, Ai, Ax, 0, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5693 &Symbolic, control, info); |
| 5164 | 5694 |
| 5695 if (status < 0) | |
| 5696 { | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5697 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5698 ("SparseMatrix::solve symbolic factorization failed"); |
| 5164 | 5699 err = -1; |
| 5700 | |
| 5322 | 5701 UMFPACK_DNAME (report_status) (control, status); |
| 5702 UMFPACK_DNAME (report_info) (control, info); | |
| 5703 | |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5704 UMFPACK_DNAME (free_symbolic) (&Symbolic); |
| 5164 | 5705 } |
| 5706 else | |
| 5707 { | |
| 5322 | 5708 UMFPACK_DNAME (report_symbolic) (Symbolic, control); |
| 5709 | |
| 5710 status = UMFPACK_DNAME (numeric) (Ap, Ai, Ax, Symbolic, | |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5711 &Numeric, control, info); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5712 UMFPACK_DNAME (free_symbolic) (&Symbolic); |
| 5164 | 5713 |
| 5681 | 5714 if (calc_cond) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5715 rcond = Info (UMFPACK_RCOND); |
| 5681 | 5716 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5717 rcond = 1.; |
| 5164 | 5718 volatile double rcond_plus_one = rcond + 1.0; |
| 5719 | |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
5720 if (status == UMFPACK_WARNING_singular_matrix |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
5721 || rcond_plus_one == 1.0 || xisnan (rcond)) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5722 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5723 UMFPACK_DNAME (report_numeric) (Numeric, control); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5724 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5725 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5726 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5727 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5728 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5729 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5730 warn_singular_matrix (rcond); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5731 } |
| 5610 | 5732 else if (status < 0) |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5733 { |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5734 (*current_liboctave_error_handler) |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5735 ("SparseMatrix::solve numeric factorization failed"); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5736 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5737 UMFPACK_DNAME (report_status) (control, status); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5738 UMFPACK_DNAME (report_info) (control, info); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5739 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5740 err = -1; |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5741 } |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5742 else |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5743 { |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5744 UMFPACK_DNAME (report_numeric) (Numeric, control); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5745 } |
| 5164 | 5746 } |
| 5747 | |
| 5748 if (err != 0) | |
| 5322 | 5749 UMFPACK_DNAME (free_numeric) (&Numeric); |
| 5164 | 5750 |
|
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5751 return Numeric; |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5752 |
| 5203 | 5753 #else |
|
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5754 (*current_liboctave_error_handler) |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5755 ("support for UMFPACK was unavailable or disabled " |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5756 "when liboctave was built"); |
| 5203 | 5757 #endif |
| 5164 | 5758 } |
| 5759 | |
| 5760 Matrix | |
| 5785 | 5761 SparseMatrix::fsolve (MatrixType &mattype, const Matrix& b, |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5762 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5763 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5764 bool calc_cond) const |
| 5164 | 5765 { |
| 5766 Matrix retval; | |
| 5767 | |
| 5275 | 5768 octave_idx_type nr = rows (); |
| 5769 octave_idx_type nc = cols (); | |
| 5164 | 5770 err = 0; |
| 5771 | |
| 6924 | 5772 if (nr != nc || nr != b.rows ()) |
| 5164 | 5773 (*current_liboctave_error_handler) |
| 5774 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 5775 else if (nr == 0 || b.cols () == 0) |
| 5776 retval = Matrix (nc, b.cols (), 0.0); | |
| 5164 | 5777 else |
| 5778 { | |
| 5779 // Print spparms("spumoni") info if requested | |
| 5506 | 5780 volatile int typ = mattype.type (); |
| 5164 | 5781 mattype.info (); |
| 5782 | |
| 5785 | 5783 if (typ == MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5784 { |
| 5506 | 5785 #ifdef HAVE_CHOLMOD |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5786 cholmod_common Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5787 cholmod_common *cm = &Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5788 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5789 // Setup initial parameters |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5790 CHOLMOD_NAME(start) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5791 cm->prefer_zomplex = false; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5792 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5793 double spu = octave_sparse_params::get_key ("spumoni"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5794 if (spu == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5795 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5796 cm->print = -1; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
5797 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, 0); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5798 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5799 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5800 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5801 cm->print = static_cast<int> (spu) + 2; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
5802 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, &SparseCholPrint); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5803 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5804 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5805 cm->error_handler = &SparseCholError; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
5806 SUITESPARSE_ASSIGN_FPTR2 (divcomplex_func, cm->complex_divide, divcomplex); |
|
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
5807 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5808 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5809 cm->final_ll = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5810 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5811 cholmod_sparse Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5812 cholmod_sparse *A = &Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5813 double dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5814 A->nrow = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5815 A->ncol = nc; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5816 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5817 A->p = cidx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5818 A->i = ridx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5819 A->nzmax = nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5820 A->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5821 A->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5822 A->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
5823 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5824 A->itype = CHOLMOD_LONG; |
| 5506 | 5825 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5826 A->itype = CHOLMOD_INT; |
| 5506 | 5827 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5828 A->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5829 A->stype = 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5830 A->xtype = CHOLMOD_REAL; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5831 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5832 if (nr < 1) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5833 A->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5834 else |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5835 A->x = data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5836 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5837 cholmod_dense Bstore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5838 cholmod_dense *B = &Bstore; |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5839 B->nrow = b.rows (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5840 B->ncol = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5841 B->d = B->nrow; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5842 B->nzmax = B->nrow * B->ncol; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5843 B->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5844 B->xtype = CHOLMOD_REAL; |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5845 if (nc < 1 || b.cols () < 1) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5846 B->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5847 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5848 // We won't alter it, honest :-) |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5849 B->x = const_cast<double *>(b.fortran_vec ()); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5850 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5851 cholmod_factor *L; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5852 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5853 L = CHOLMOD_NAME(analyze) (A, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5854 CHOLMOD_NAME(factorize) (A, L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5855 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5856 rcond = CHOLMOD_NAME(rcond)(L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5857 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5858 rcond = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5859 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5860 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5861 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5862 if (rcond == 0.0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5863 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5864 // Either its indefinite or singular. Try UMFPACK |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5865 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5866 typ = MatrixType::Full; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5867 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5868 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5869 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5870 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5871 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5872 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5873 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5874 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5875 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5876 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5877 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5878 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5879 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5880 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5881 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5882 warn_singular_matrix (rcond); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5883 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5884 return retval; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5885 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5886 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5887 cholmod_dense *X; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5888 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5889 X = CHOLMOD_NAME(solve) (CHOLMOD_A, L, B, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5890 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5891 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5892 retval.resize (b.rows (), b.cols ()); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5893 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5894 { |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5895 octave_idx_type jr = j * b.rows (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5896 for (octave_idx_type i = 0; i < b.rows (); i++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5897 retval.xelem (i,j) = static_cast<double *>(X->x)[jr + i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5898 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5899 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5900 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5901 CHOLMOD_NAME(free_dense) (&X, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5902 CHOLMOD_NAME(free_factor) (&L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5903 CHOLMOD_NAME(finish) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5904 static char tmp[] = " "; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5905 CHOLMOD_NAME(print_common) (tmp, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5906 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5907 } |
| 5506 | 5908 #else |
|
19410
95c533ed464b
use warning IDs for all warnings in liboctave
John W. Eaton <jwe@octave.org>
parents:
19408
diff
changeset
|
5909 (*current_liboctave_warning_with_id_handler) |
|
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5910 ("Octave:missing-dependency", |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5911 "support for CHOLMOD was unavailable or disabled " |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5912 "when liboctave was built"); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5913 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5914 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5915 typ = MatrixType::Full; |
| 5506 | 5916 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5917 } |
| 5164 | 5918 |
| 5785 | 5919 if (typ == MatrixType::Full) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5920 { |
| 5203 | 5921 #ifdef HAVE_UMFPACK |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5922 Matrix Control, Info; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5923 void *Numeric = |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5924 factorize (err, rcond, Control, Info, sing_handler, calc_cond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5925 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5926 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5927 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5928 const double *Bx = b.fortran_vec (); |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
5929 retval.resize (b.rows (), b.cols ()); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5930 double *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5931 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5932 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5933 int status = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5934 double *control = Control.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5935 double *info = Info.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5936 const octave_idx_type *Ap = cidx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5937 const octave_idx_type *Ai = ridx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5938 const double *Ax = data (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5939 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5940 for (octave_idx_type j = 0, iidx = 0; j < b_nc; j++, iidx += b_nr) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5941 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5942 status = UMFPACK_DNAME (solve) (UMFPACK_A, Ap, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5943 Ai, Ax, &result[iidx], |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5944 &Bx[iidx], Numeric, control, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5945 info); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5946 if (status < 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5947 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5948 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5949 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5950 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5951 UMFPACK_DNAME (report_status) (control, status); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5952 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5953 err = -1; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5954 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5955 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5956 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5957 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5958 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5959 UMFPACK_DNAME (report_info) (control, info); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5960 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5961 UMFPACK_DNAME (free_numeric) (&Numeric); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5962 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5963 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5964 mattype.mark_as_rectangular (); |
| 5681 | 5965 |
| 5203 | 5966 #else |
|
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5967 (*current_liboctave_error_handler) |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5968 ("support for UMFPACK was unavailable or disabled " |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5969 "when liboctave was built"); |
| 5203 | 5970 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5971 } |
| 5785 | 5972 else if (typ != MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5973 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 5974 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5975 |
| 5164 | 5976 return retval; |
| 5977 } | |
| 5978 | |
| 5979 SparseMatrix | |
| 5785 | 5980 SparseMatrix::fsolve (MatrixType &mattype, const SparseMatrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5981 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5982 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5983 bool calc_cond) const |
| 5164 | 5984 { |
| 5985 SparseMatrix retval; | |
| 5986 | |
| 5275 | 5987 octave_idx_type nr = rows (); |
| 5988 octave_idx_type nc = cols (); | |
| 5164 | 5989 err = 0; |
| 5990 | |
| 6924 | 5991 if (nr != nc || nr != b.rows ()) |
| 5164 | 5992 (*current_liboctave_error_handler) |
| 5993 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 5994 else if (nr == 0 || b.cols () == 0) |
| 5995 retval = SparseMatrix (nc, b.cols ()); | |
| 5164 | 5996 else |
| 5997 { | |
| 5998 // Print spparms("spumoni") info if requested | |
| 5506 | 5999 volatile int typ = mattype.type (); |
| 5164 | 6000 mattype.info (); |
| 6001 | |
| 5785 | 6002 if (typ == MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6003 { |
| 5506 | 6004 #ifdef HAVE_CHOLMOD |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6005 cholmod_common Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6006 cholmod_common *cm = &Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6007 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6008 // Setup initial parameters |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6009 CHOLMOD_NAME(start) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6010 cm->prefer_zomplex = false; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6011 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6012 double spu = octave_sparse_params::get_key ("spumoni"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6013 if (spu == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6014 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6015 cm->print = -1; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6016 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, 0); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6017 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6018 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6019 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6020 cm->print = static_cast<int> (spu) + 2; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6021 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, &SparseCholPrint); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6022 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6023 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6024 cm->error_handler = &SparseCholError; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6025 SUITESPARSE_ASSIGN_FPTR2 (divcomplex_func, cm->complex_divide, divcomplex); |
|
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6026 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6027 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6028 cm->final_ll = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6029 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6030 cholmod_sparse Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6031 cholmod_sparse *A = &Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6032 double dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6033 A->nrow = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6034 A->ncol = nc; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6035 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6036 A->p = cidx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6037 A->i = ridx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6038 A->nzmax = nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6039 A->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6040 A->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6041 A->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6042 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6043 A->itype = CHOLMOD_LONG; |
| 5506 | 6044 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6045 A->itype = CHOLMOD_INT; |
| 5506 | 6046 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6047 A->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6048 A->stype = 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6049 A->xtype = CHOLMOD_REAL; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6050 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6051 if (nr < 1) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6052 A->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6053 else |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6054 A->x = data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6055 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6056 cholmod_sparse Bstore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6057 cholmod_sparse *B = &Bstore; |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6058 B->nrow = b.rows (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6059 B->ncol = b.cols (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6060 B->p = b.cidx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6061 B->i = b.ridx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6062 B->nzmax = b.nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6063 B->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6064 B->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6065 B->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6066 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6067 B->itype = CHOLMOD_LONG; |
| 5506 | 6068 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6069 B->itype = CHOLMOD_INT; |
| 5506 | 6070 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6071 B->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6072 B->stype = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6073 B->xtype = CHOLMOD_REAL; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6074 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6075 if (b.rows () < 1 || b.cols () < 1) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6076 B->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6077 else |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6078 B->x = b.data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6079 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6080 cholmod_factor *L; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6081 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6082 L = CHOLMOD_NAME(analyze) (A, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6083 CHOLMOD_NAME(factorize) (A, L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6084 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6085 rcond = CHOLMOD_NAME(rcond)(L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6086 else |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6087 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6088 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6089 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6090 if (rcond == 0.0) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6091 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6092 // Either its indefinite or singular. Try UMFPACK |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6093 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6094 typ = MatrixType::Full; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6095 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6096 else |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6097 { |
|
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untabify liboctave C++ sources
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diff
changeset
|
6098 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6099 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6100 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6101 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6102 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6103 |
|
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untabify liboctave C++ sources
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changeset
|
6104 if (sing_handler) |
|
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untabify liboctave C++ sources
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diff
changeset
|
6105 { |
|
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diff
changeset
|
6106 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6107 mattype.mark_as_rectangular (); |
|
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untabify liboctave C++ sources
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diff
changeset
|
6108 } |
|
07ebe522dac2
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diff
changeset
|
6109 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
6110 warn_singular_matrix (rcond); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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changeset
|
6111 |
|
10314
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untabify liboctave C++ sources
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changeset
|
6112 return retval; |
|
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untabify liboctave C++ sources
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diff
changeset
|
6113 } |
|
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diff
changeset
|
6114 |
|
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changeset
|
6115 cholmod_sparse *X; |
|
07ebe522dac2
untabify liboctave C++ sources
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|
6116 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
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untabify liboctave C++ sources
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|
6117 X = CHOLMOD_NAME(spsolve) (CHOLMOD_A, L, B, cm); |
|
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untabify liboctave C++ sources
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|
6118 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
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untabify liboctave C++ sources
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|
6119 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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changeset
|
6120 retval = SparseMatrix (static_cast<octave_idx_type>(X->nrow), |
|
10314
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untabify liboctave C++ sources
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|
6121 static_cast<octave_idx_type>(X->ncol), |
|
07ebe522dac2
untabify liboctave C++ sources
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|
6122 static_cast<octave_idx_type>(X->nzmax)); |
|
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6123 for (octave_idx_type j = 0; |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6124 j <= static_cast<octave_idx_type>(X->ncol); j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
6125 retval.xcidx (j) = static_cast<octave_idx_type *>(X->p)[j]; |
|
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6126 for (octave_idx_type j = 0; |
|
10314
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untabify liboctave C++ sources
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changeset
|
6127 j < static_cast<octave_idx_type>(X->nzmax); j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6128 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6129 retval.xridx (j) = static_cast<octave_idx_type *>(X->i)[j]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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diff
changeset
|
6130 retval.xdata (j) = static_cast<double *>(X->x)[j]; |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6131 } |
|
07ebe522dac2
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diff
changeset
|
6132 |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6133 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6134 CHOLMOD_NAME(free_sparse) (&X, cm); |
|
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untabify liboctave C++ sources
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|
6135 CHOLMOD_NAME(free_factor) (&L, cm); |
|
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untabify liboctave C++ sources
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|
6136 CHOLMOD_NAME(finish) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6137 static char tmp[] = " "; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6138 CHOLMOD_NAME(print_common) (tmp, cm); |
|
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untabify liboctave C++ sources
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changeset
|
6139 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
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untabify liboctave C++ sources
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diff
changeset
|
6140 } |
| 5506 | 6141 #else |
|
19410
95c533ed464b
use warning IDs for all warnings in liboctave
John W. Eaton <jwe@octave.org>
parents:
19408
diff
changeset
|
6142 (*current_liboctave_warning_with_id_handler) |
|
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6143 ("Octave:missing-dependency", |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6144 "support for CHOLMOD was unavailable or disabled " |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6145 "when liboctave was built"); |
|
10314
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diff
changeset
|
6146 |
|
07ebe522dac2
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changeset
|
6147 mattype.mark_as_unsymmetric (); |
|
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untabify liboctave C++ sources
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changeset
|
6148 typ = MatrixType::Full; |
| 5506 | 6149 #endif |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6150 } |
| 5164 | 6151 |
| 5785 | 6152 if (typ == MatrixType::Full) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6153 { |
| 5203 | 6154 #ifdef HAVE_UMFPACK |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6155 Matrix Control, Info; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6156 void *Numeric = factorize (err, rcond, Control, Info, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6157 sing_handler, calc_cond); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6158 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6159 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6160 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6161 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6162 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6163 int status = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6164 double *control = Control.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6165 double *info = Info.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6166 const octave_idx_type *Ap = cidx (); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6167 const octave_idx_type *Ai = ridx (); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6168 const double *Ax = data (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6169 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6170 OCTAVE_LOCAL_BUFFER (double, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6171 OCTAVE_LOCAL_BUFFER (double, Xx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6172 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
6173 // Take a first guess that the number of nonzero terms |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6174 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6175 octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6176 octave_idx_type ii = 0; |
|
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untabify liboctave C++ sources
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changeset
|
6177 retval = SparseMatrix (b_nr, b_nc, x_nz); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6178 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
6179 retval.xcidx (0) = 0; |
|
10314
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changeset
|
6180 for (octave_idx_type j = 0; j < b_nc; j++) |
|
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untabify liboctave C++ sources
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changeset
|
6181 { |
|
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diff
changeset
|
6182 |
|
07ebe522dac2
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changeset
|
6183 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6184 Bx[i] = b.elem (i, j); |
|
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untabify liboctave C++ sources
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changeset
|
6185 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
6186 status = UMFPACK_DNAME (solve) (UMFPACK_A, Ap, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6187 Ai, Ax, Xx, Bx, Numeric, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
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17744
diff
changeset
|
6188 control, info); |
|
10314
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changeset
|
6189 if (status < 0) |
|
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changeset
|
6190 { |
|
11586
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changeset
|
6191 (*current_liboctave_error_handler) |
|
10314
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changeset
|
6192 ("SparseMatrix::solve solve failed"); |
|
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changeset
|
6193 |
|
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changeset
|
6194 UMFPACK_DNAME (report_status) (control, status); |
|
11586
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changeset
|
6195 |
|
10314
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changeset
|
6196 err = -1; |
|
07ebe522dac2
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diff
changeset
|
6197 |
|
07ebe522dac2
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diff
changeset
|
6198 break; |
|
07ebe522dac2
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diff
changeset
|
6199 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
6200 |
|
10314
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diff
changeset
|
6201 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
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diff
changeset
|
6202 { |
|
07ebe522dac2
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diff
changeset
|
6203 double tmp = Xx[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6204 if (tmp != 0.0) |
|
07ebe522dac2
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diff
changeset
|
6205 { |
|
07ebe522dac2
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diff
changeset
|
6206 if (ii == x_nz) |
|
07ebe522dac2
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diff
changeset
|
6207 { |
|
07ebe522dac2
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diff
changeset
|
6208 // Resize the sparse matrix |
|
07ebe522dac2
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changeset
|
6209 octave_idx_type sz = x_nz * (b_nc - j) / b_nc; |
|
07ebe522dac2
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changeset
|
6210 sz = (sz > 10 ? sz : 10) + x_nz; |
|
07ebe522dac2
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changeset
|
6211 retval.change_capacity (sz); |
|
07ebe522dac2
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changeset
|
6212 x_nz = sz; |
|
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changeset
|
6213 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6214 retval.xdata (ii) = tmp; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6215 retval.xridx (ii++) = i; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6216 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6217 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6218 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6219 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6220 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6221 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6222 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6223 UMFPACK_DNAME (report_info) (control, info); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6224 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6225 UMFPACK_DNAME (free_numeric) (&Numeric); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6226 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
6227 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6228 mattype.mark_as_rectangular (); |
| 5681 | 6229 |
| 5203 | 6230 #else |
|
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6231 (*current_liboctave_error_handler) |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6232 ("support for UMFPACK was unavailable or disabled " |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6233 "when liboctave was built"); |
| 5203 | 6234 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6235 } |
| 5785 | 6236 else if (typ != MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6237 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 6238 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6239 |
| 5164 | 6240 return retval; |
| 6241 } | |
| 6242 | |
| 6243 ComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6244 SparseMatrix::fsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6245 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6246 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
6247 bool calc_cond) const |
| 5164 | 6248 { |
| 6249 ComplexMatrix retval; | |
| 6250 | |
| 5275 | 6251 octave_idx_type nr = rows (); |
| 6252 octave_idx_type nc = cols (); | |
| 5164 | 6253 err = 0; |
| 6254 | |
| 6924 | 6255 if (nr != nc || nr != b.rows ()) |
| 5164 | 6256 (*current_liboctave_error_handler) |
| 6257 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 6258 else if (nr == 0 || b.cols () == 0) |
| 6259 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 6260 else |
| 6261 { | |
| 6262 // Print spparms("spumoni") info if requested | |
| 5506 | 6263 volatile int typ = mattype.type (); |
| 5164 | 6264 mattype.info (); |
| 6265 | |
| 5785 | 6266 if (typ == MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6267 { |
| 5506 | 6268 #ifdef HAVE_CHOLMOD |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6269 cholmod_common Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6270 cholmod_common *cm = &Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6271 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
6272 // Setup initial parameters |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6273 CHOLMOD_NAME(start) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6274 cm->prefer_zomplex = false; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6275 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6276 double spu = octave_sparse_params::get_key ("spumoni"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6277 if (spu == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6278 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6279 cm->print = -1; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6280 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, 0); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6281 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6282 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6283 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6284 cm->print = static_cast<int> (spu) + 2; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6285 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, &SparseCholPrint); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6286 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6287 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6288 cm->error_handler = &SparseCholError; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6289 SUITESPARSE_ASSIGN_FPTR2 (divcomplex_func, cm->complex_divide, divcomplex); |
|
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6290 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6291 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6292 cm->final_ll = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6293 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6294 cholmod_sparse Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6295 cholmod_sparse *A = &Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6296 double dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6297 A->nrow = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6298 A->ncol = nc; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6299 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6300 A->p = cidx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6301 A->i = ridx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6302 A->nzmax = nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6303 A->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6304 A->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6305 A->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6306 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6307 A->itype = CHOLMOD_LONG; |
| 5506 | 6308 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6309 A->itype = CHOLMOD_INT; |
| 5506 | 6310 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6311 A->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6312 A->stype = 1; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6313 A->xtype = CHOLMOD_REAL; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6314 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6315 if (nr < 1) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6316 A->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6317 else |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6318 A->x = data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6319 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6320 cholmod_dense Bstore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6321 cholmod_dense *B = &Bstore; |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6322 B->nrow = b.rows (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6323 B->ncol = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6324 B->d = B->nrow; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6325 B->nzmax = B->nrow * B->ncol; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6326 B->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6327 B->xtype = CHOLMOD_COMPLEX; |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6328 if (nc < 1 || b.cols () < 1) |
|
10314
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untabify liboctave C++ sources
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changeset
|
6329 B->x = &dummy; |
|
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10158
diff
changeset
|
6330 else |
|
07ebe522dac2
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10158
diff
changeset
|
6331 // We won't alter it, honest :-) |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6332 B->x = const_cast<Complex *>(b.fortran_vec ()); |
|
10314
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changeset
|
6333 |
|
07ebe522dac2
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changeset
|
6334 cholmod_factor *L; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6335 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6336 L = CHOLMOD_NAME(analyze) (A, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6337 CHOLMOD_NAME(factorize) (A, L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6338 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6339 rcond = CHOLMOD_NAME(rcond)(L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6340 else |
|
07ebe522dac2
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changeset
|
6341 rcond = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6342 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
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changeset
|
6343 |
|
07ebe522dac2
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changeset
|
6344 if (rcond == 0.0) |
|
07ebe522dac2
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10158
diff
changeset
|
6345 { |
|
07ebe522dac2
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10158
diff
changeset
|
6346 // Either its indefinite or singular. Try UMFPACK |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6347 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
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changeset
|
6348 typ = MatrixType::Full; |
|
07ebe522dac2
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10158
diff
changeset
|
6349 } |
|
07ebe522dac2
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10158
diff
changeset
|
6350 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6351 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6352 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6353 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6354 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6355 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6356 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6357 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6358 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6359 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6360 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6361 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6362 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6363 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
6364 warn_singular_matrix (rcond); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6365 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6366 return retval; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6367 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6368 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6369 cholmod_dense *X; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6370 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6371 X = CHOLMOD_NAME(solve) (CHOLMOD_A, L, B, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6372 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6373 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6374 retval.resize (b.rows (), b.cols ()); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6375 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6376 { |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6377 octave_idx_type jr = j * b.rows (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6378 for (octave_idx_type i = 0; i < b.rows (); i++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6379 retval.xelem (i,j) = static_cast<Complex *>(X->x)[jr + i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6380 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6381 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6382 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6383 CHOLMOD_NAME(free_dense) (&X, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6384 CHOLMOD_NAME(free_factor) (&L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6385 CHOLMOD_NAME(finish) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6386 static char tmp[] = " "; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6387 CHOLMOD_NAME(print_common) (tmp, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6388 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6389 } |
| 5506 | 6390 #else |
|
19410
95c533ed464b
use warning IDs for all warnings in liboctave
John W. Eaton <jwe@octave.org>
parents:
19408
diff
changeset
|
6391 (*current_liboctave_warning_with_id_handler) |
|
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6392 ("Octave:missing-dependency", |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6393 "support for CHOLMOD was unavailable or disabled " |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6394 "when liboctave was built"); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6395 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6396 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6397 typ = MatrixType::Full; |
| 5506 | 6398 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6399 } |
| 5164 | 6400 |
| 5785 | 6401 if (typ == MatrixType::Full) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6402 { |
| 5203 | 6403 #ifdef HAVE_UMFPACK |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6404 Matrix Control, Info; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6405 void *Numeric = factorize (err, rcond, Control, Info, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6406 sing_handler, calc_cond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6407 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6408 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6409 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6410 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6411 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6412 int status = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6413 double *control = Control.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6414 double *info = Info.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6415 const octave_idx_type *Ap = cidx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6416 const octave_idx_type *Ai = ridx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6417 const double *Ax = data (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6418 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6419 OCTAVE_LOCAL_BUFFER (double, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6420 OCTAVE_LOCAL_BUFFER (double, Bz, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6421 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6422 retval.resize (b_nr, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6423 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6424 OCTAVE_LOCAL_BUFFER (double, Xx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6425 OCTAVE_LOCAL_BUFFER (double, Xz, b_nr); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6426 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6427 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6428 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6429 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6430 { |
|
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
18080
diff
changeset
|
6431 Complex c = b(i,j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6432 Bx[i] = std::real (c); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6433 Bz[i] = std::imag (c); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6434 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6435 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6436 status = UMFPACK_DNAME (solve) (UMFPACK_A, Ap, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6437 Ai, Ax, Xx, Bx, Numeric, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6438 control, info); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6439 int status2 = UMFPACK_DNAME (solve) (UMFPACK_A, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6440 Ap, Ai, Ax, Xz, Bz, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6441 Numeric, control, info); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6442 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6443 if (status < 0 || status2 < 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6444 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6445 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6446 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6447 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6448 UMFPACK_DNAME (report_status) (control, status); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6449 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6450 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6451 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6452 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6453 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6454 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6455 for (octave_idx_type i = 0; i < b_nr; i++) |
|
14844
5bc9b9cb4362
maint: Use Octave coding conventions for cuddled parenthesis in retval assignments.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
6456 retval(i, j) = Complex (Xx[i], Xz[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6457 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6458 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6459 UMFPACK_DNAME (report_info) (control, info); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6460 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6461 UMFPACK_DNAME (free_numeric) (&Numeric); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6462 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6463 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6464 mattype.mark_as_rectangular (); |
| 5681 | 6465 |
| 5203 | 6466 #else |
|
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6467 (*current_liboctave_error_handler) |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6468 ("support for UMFPACK was unavailable or disabled " |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6469 "when liboctave was built"); |
| 5203 | 6470 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6471 } |
| 5785 | 6472 else if (typ != MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6473 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 6474 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6475 |
| 5164 | 6476 return retval; |
| 6477 } | |
| 6478 | |
| 6479 SparseComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6480 SparseMatrix::fsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6481 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6482 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6483 bool calc_cond) const |
| 5164 | 6484 { |
| 6485 SparseComplexMatrix retval; | |
| 6486 | |
| 5275 | 6487 octave_idx_type nr = rows (); |
| 6488 octave_idx_type nc = cols (); | |
| 5164 | 6489 err = 0; |
| 6490 | |
| 6924 | 6491 if (nr != nc || nr != b.rows ()) |
| 5164 | 6492 (*current_liboctave_error_handler) |
| 6493 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 6494 else if (nr == 0 || b.cols () == 0) |
| 6495 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 6496 else |
| 6497 { | |
| 6498 // Print spparms("spumoni") info if requested | |
| 5506 | 6499 volatile int typ = mattype.type (); |
| 5164 | 6500 mattype.info (); |
| 6501 | |
| 5785 | 6502 if (typ == MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6503 { |
| 5506 | 6504 #ifdef HAVE_CHOLMOD |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6505 cholmod_common Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6506 cholmod_common *cm = &Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6507 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6508 // Setup initial parameters |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6509 CHOLMOD_NAME(start) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6510 cm->prefer_zomplex = false; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6511 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6512 double spu = octave_sparse_params::get_key ("spumoni"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6513 if (spu == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6514 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6515 cm->print = -1; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6516 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, 0); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6517 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6518 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6519 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6520 cm->print = static_cast<int> (spu) + 2; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6521 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, &SparseCholPrint); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6522 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6523 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6524 cm->error_handler = &SparseCholError; |
|
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6525 SUITESPARSE_ASSIGN_FPTR2 (divcomplex_func, cm->complex_divide, divcomplex); |
|
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6526 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6527 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6528 cm->final_ll = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6529 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6530 cholmod_sparse Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6531 cholmod_sparse *A = &Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6532 double dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6533 A->nrow = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6534 A->ncol = nc; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6535 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6536 A->p = cidx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6537 A->i = ridx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6538 A->nzmax = nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6539 A->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6540 A->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6541 A->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6542 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6543 A->itype = CHOLMOD_LONG; |
| 5506 | 6544 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6545 A->itype = CHOLMOD_INT; |
| 5506 | 6546 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6547 A->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6548 A->stype = 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6549 A->xtype = CHOLMOD_REAL; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6550 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6551 if (nr < 1) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6552 A->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6553 else |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6554 A->x = data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6555 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6556 cholmod_sparse Bstore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6557 cholmod_sparse *B = &Bstore; |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6558 B->nrow = b.rows (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6559 B->ncol = b.cols (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6560 B->p = b.cidx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6561 B->i = b.ridx (); |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6562 B->nzmax = b.nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6563 B->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6564 B->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6565 B->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6566 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6567 B->itype = CHOLMOD_LONG; |
| 5506 | 6568 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6569 B->itype = CHOLMOD_INT; |
| 5506 | 6570 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6571 B->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6572 B->stype = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6573 B->xtype = CHOLMOD_COMPLEX; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6574 |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6575 if (b.rows () < 1 || b.cols () < 1) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6576 B->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6577 else |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
6578 B->x = b.data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6579 |
|
07ebe522dac2
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diff
changeset
|
6580 cholmod_factor *L; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6581 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6582 L = CHOLMOD_NAME(analyze) (A, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6583 CHOLMOD_NAME(factorize) (A, L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6584 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6585 rcond = CHOLMOD_NAME(rcond)(L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6586 else |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6587 rcond = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6588 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6589 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6590 if (rcond == 0.0) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6591 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6592 // Either its indefinite or singular. Try UMFPACK |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6593 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6594 typ = MatrixType::Full; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6595 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6596 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6597 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6598 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6599 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6600 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6601 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6602 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6603 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6604 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6605 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6606 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
6607 mattype.mark_as_rectangular (); |
|
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untabify liboctave C++ sources
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diff
changeset
|
6608 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6609 else |
|
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
6610 warn_singular_matrix (rcond); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6611 |
|
10314
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untabify liboctave C++ sources
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changeset
|
6612 return retval; |
|
07ebe522dac2
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diff
changeset
|
6613 } |
|
07ebe522dac2
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diff
changeset
|
6614 |
|
07ebe522dac2
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diff
changeset
|
6615 cholmod_sparse *X; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6616 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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|
6617 X = CHOLMOD_NAME(spsolve) (CHOLMOD_A, L, B, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6618 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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|
6619 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6620 retval = SparseComplexMatrix |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
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17744
diff
changeset
|
6621 (static_cast<octave_idx_type>(X->nrow), |
|
49a5a4be04a1
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Rik <rik@octave.org>
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17744
diff
changeset
|
6622 static_cast<octave_idx_type>(X->ncol), |
|
49a5a4be04a1
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Rik <rik@octave.org>
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diff
changeset
|
6623 static_cast<octave_idx_type>(X->nzmax)); |
|
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6624 for (octave_idx_type j = 0; |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6625 j <= static_cast<octave_idx_type>(X->ncol); j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6626 retval.xcidx (j) = static_cast<octave_idx_type *>(X->p)[j]; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6627 for (octave_idx_type j = 0; |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6628 j < static_cast<octave_idx_type>(X->nzmax); j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6629 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6630 retval.xridx (j) = static_cast<octave_idx_type *>(X->i)[j]; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6631 retval.xdata (j) = static_cast<Complex *>(X->x)[j]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6632 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6633 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6634 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6635 CHOLMOD_NAME(free_sparse) (&X, cm); |
|
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untabify liboctave C++ sources
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diff
changeset
|
6636 CHOLMOD_NAME(free_factor) (&L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6637 CHOLMOD_NAME(finish) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6638 static char tmp[] = " "; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6639 CHOLMOD_NAME(print_common) (tmp, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6640 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6641 } |
| 5506 | 6642 #else |
|
19410
95c533ed464b
use warning IDs for all warnings in liboctave
John W. Eaton <jwe@octave.org>
parents:
19408
diff
changeset
|
6643 (*current_liboctave_warning_with_id_handler) |
|
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6644 ("Octave:missing-dependency", |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6645 "support for CHOLMOD was unavailable or disabled " |
|
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6646 "when liboctave was built"); |
|
10314
07ebe522dac2
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diff
changeset
|
6647 |
|
07ebe522dac2
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diff
changeset
|
6648 mattype.mark_as_unsymmetric (); |
|
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untabify liboctave C++ sources
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changeset
|
6649 typ = MatrixType::Full; |
| 5506 | 6650 #endif |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6651 } |
| 5164 | 6652 |
| 5785 | 6653 if (typ == MatrixType::Full) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6654 { |
| 5203 | 6655 #ifdef HAVE_UMFPACK |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6656 Matrix Control, Info; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6657 void *Numeric = factorize (err, rcond, Control, Info, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6658 sing_handler, calc_cond); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6659 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6660 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6661 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6662 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6663 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6664 int status = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6665 double *control = Control.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6666 double *info = Info.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6667 const octave_idx_type *Ap = cidx (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6668 const octave_idx_type *Ai = ridx (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6669 const double *Ax = data (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6670 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6671 OCTAVE_LOCAL_BUFFER (double, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6672 OCTAVE_LOCAL_BUFFER (double, Bz, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6673 |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
6674 // Take a first guess that the number of nonzero terms |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6675 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6676 octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6677 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6678 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6679 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6680 OCTAVE_LOCAL_BUFFER (double, Xx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6681 OCTAVE_LOCAL_BUFFER (double, Xz, b_nr); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
6682 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6683 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
6684 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6685 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6686 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6687 { |
|
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
18080
diff
changeset
|
6688 Complex c = b(i,j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6689 Bx[i] = std::real (c); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6690 Bz[i] = std::imag (c); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6691 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6692 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6693 status = UMFPACK_DNAME (solve) (UMFPACK_A, Ap, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6694 Ai, Ax, Xx, Bx, Numeric, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6695 control, info); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6696 int status2 = UMFPACK_DNAME (solve) (UMFPACK_A, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6697 Ap, Ai, Ax, Xz, Bz, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6698 Numeric, control, info); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6699 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6700 if (status < 0 || status2 < 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6701 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
6702 (*current_liboctave_error_handler) |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6703 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
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diff
changeset
|
6704 |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6705 UMFPACK_DNAME (report_status) (control, status); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
6706 |
|
10314
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diff
changeset
|
6707 err = -1; |
|
07ebe522dac2
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diff
changeset
|
6708 |
|
07ebe522dac2
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diff
changeset
|
6709 break; |
|
07ebe522dac2
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10158
diff
changeset
|
6710 } |
|
07ebe522dac2
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diff
changeset
|
6711 |
|
07ebe522dac2
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changeset
|
6712 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6713 { |
|
07ebe522dac2
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diff
changeset
|
6714 Complex tmp = Complex (Xx[i], Xz[i]); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6715 if (tmp != 0.0) |
|
07ebe522dac2
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diff
changeset
|
6716 { |
|
07ebe522dac2
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changeset
|
6717 if (ii == x_nz) |
|
07ebe522dac2
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diff
changeset
|
6718 { |
|
07ebe522dac2
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changeset
|
6719 // Resize the sparse matrix |
|
07ebe522dac2
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diff
changeset
|
6720 octave_idx_type sz = x_nz * (b_nc - j) / b_nc; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6721 sz = (sz > 10 ? sz : 10) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6722 retval.change_capacity (sz); |
|
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6723 x_nz = sz; |
|
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|
6724 } |
|
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6725 retval.xdata (ii) = tmp; |
|
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6726 retval.xridx (ii++) = i; |
|
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|
6727 } |
|
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|
6728 } |
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6729 retval.xcidx (j+1) = ii; |
|
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|
6730 } |
|
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|
6731 |
|
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|
6732 retval.maybe_compress (); |
|
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|
6733 |
|
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|
6734 UMFPACK_DNAME (report_info) (control, info); |
|
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|
6735 |
|
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|
6736 UMFPACK_DNAME (free_numeric) (&Numeric); |
|
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6737 } |
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|
6738 else |
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|
6739 mattype.mark_as_rectangular (); |
| 5203 | 6740 #else |
|
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|
6741 (*current_liboctave_error_handler) |
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6742 ("support for UMFPACK was unavailable or disabled " |
|
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|
6743 "when liboctave was built"); |
| 5203 | 6744 #endif |
|
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6745 } |
| 5785 | 6746 else if (typ != MatrixType::Hermitian) |
|
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|
6747 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 6748 } |
|
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6749 |
| 5164 | 6750 return retval; |
| 6751 } | |
| 6752 | |
| 6753 Matrix | |
| 5785 | 6754 SparseMatrix::solve (MatrixType &mattype, const Matrix& b) const |
| 5164 | 6755 { |
| 5275 | 6756 octave_idx_type info; |
| 5164 | 6757 double rcond; |
| 6758 return solve (mattype, b, info, rcond, 0); | |
| 6759 } | |
| 6760 | |
| 6761 Matrix | |
|
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|
6762 SparseMatrix::solve (MatrixType &mattype, const Matrix& b, |
|
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|
6763 octave_idx_type& info) const |
| 5164 | 6764 { |
| 6765 double rcond; | |
| 6766 return solve (mattype, b, info, rcond, 0); | |
| 6767 } | |
| 6768 | |
| 6769 Matrix | |
|
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|
6770 SparseMatrix::solve (MatrixType &mattype, const Matrix& b, |
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|
6771 octave_idx_type& info, double& rcond) const |
| 5164 | 6772 { |
| 6773 return solve (mattype, b, info, rcond, 0); | |
| 6774 } | |
| 6775 | |
| 6776 Matrix | |
|
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6777 SparseMatrix::solve (MatrixType &mattype, const Matrix& b, octave_idx_type& err, |
|
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|
6778 double& rcond, solve_singularity_handler sing_handler, |
|
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|
6779 bool singular_fallback) const |
| 5164 | 6780 { |
| 5681 | 6781 Matrix retval; |
| 5322 | 6782 int typ = mattype.type (false); |
| 5164 | 6783 |
| 5785 | 6784 if (typ == MatrixType::Unknown) |
| 5164 | 6785 typ = mattype.type (*this); |
| 6786 | |
| 5681 | 6787 // Only calculate the condition number for CHOLMOD/UMFPACK |
| 5785 | 6788 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5681 | 6789 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6790 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
| 5681 | 6791 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6792 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
| 5681 | 6793 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6794 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
| 5681 | 6795 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
|
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|
6796 else if (typ == MatrixType::Tridiagonal |
|
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|
6797 || typ == MatrixType::Tridiagonal_Hermitian) |
| 5681 | 6798 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6799 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
| 5681 | 6800 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
| 5785 | 6801 else if (typ != MatrixType::Rectangular) |
| 5164 | 6802 { |
| 5681 | 6803 (*current_liboctave_error_handler) ("unknown matrix type"); |
| 5164 | 6804 return Matrix (); |
| 6805 } | |
| 5681 | 6806 |
| 6807 // Rectangular or one of the above solvers flags a singular matrix | |
| 5785 | 6808 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
| 5681 | 6809 { |
| 6810 rcond = 1.; | |
| 6811 #ifdef USE_QRSOLVE | |
| 6812 retval = qrsolve (*this, b, err); | |
| 6813 #else | |
| 6814 retval = dmsolve<Matrix, SparseMatrix, Matrix> (*this, b, err); | |
| 6815 #endif | |
| 6816 } | |
| 6817 | |
| 6818 return retval; | |
| 5164 | 6819 } |
| 6820 | |
| 6821 SparseMatrix | |
| 5785 | 6822 SparseMatrix::solve (MatrixType &mattype, const SparseMatrix& b) const |
| 5164 | 6823 { |
| 5275 | 6824 octave_idx_type info; |
| 5164 | 6825 double rcond; |
| 6826 return solve (mattype, b, info, rcond, 0); | |
| 6827 } | |
| 6828 | |
| 6829 SparseMatrix | |
|
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|
6830 SparseMatrix::solve (MatrixType &mattype, const SparseMatrix& b, |
|
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|
6831 octave_idx_type& info) const |
| 5164 | 6832 { |
| 6833 double rcond; | |
| 6834 return solve (mattype, b, info, rcond, 0); | |
| 6835 } | |
| 6836 | |
| 6837 SparseMatrix | |
| 5785 | 6838 SparseMatrix::solve (MatrixType &mattype, const SparseMatrix& b, |
|
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|
6839 octave_idx_type& info, double& rcond) const |
| 5164 | 6840 { |
| 6841 return solve (mattype, b, info, rcond, 0); | |
| 6842 } | |
| 6843 | |
| 6844 SparseMatrix | |
|
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|
6845 SparseMatrix::solve (MatrixType &mattype, const SparseMatrix& b, |
|
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|
6846 octave_idx_type& err, double& rcond, |
|
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|
6847 solve_singularity_handler sing_handler, |
|
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|
6848 bool singular_fallback) const |
| 5164 | 6849 { |
| 5681 | 6850 SparseMatrix retval; |
| 5322 | 6851 int typ = mattype.type (false); |
| 5164 | 6852 |
| 5785 | 6853 if (typ == MatrixType::Unknown) |
| 5164 | 6854 typ = mattype.type (*this); |
| 6855 | |
| 5785 | 6856 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5681 | 6857 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6858 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
| 5681 | 6859 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6860 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
| 5681 | 6861 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6862 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
| 5681 | 6863 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
|
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|
6864 else if (typ == MatrixType::Tridiagonal |
|
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|
6865 || typ == MatrixType::Tridiagonal_Hermitian) |
| 5681 | 6866 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6867 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
| 5681 | 6868 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
| 5785 | 6869 else if (typ != MatrixType::Rectangular) |
| 5164 | 6870 { |
| 5681 | 6871 (*current_liboctave_error_handler) ("unknown matrix type"); |
| 5164 | 6872 return SparseMatrix (); |
| 6873 } | |
| 5681 | 6874 |
| 5785 | 6875 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
| 5681 | 6876 { |
| 6877 rcond = 1.; | |
| 6878 #ifdef USE_QRSOLVE | |
| 6879 retval = qrsolve (*this, b, err); | |
| 6880 #else | |
|
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|
6881 retval = dmsolve<SparseMatrix, SparseMatrix, SparseMatrix> |
|
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|
6882 (*this, b, err); |
| 5681 | 6883 #endif |
| 6884 } | |
| 6885 | |
| 6886 return retval; | |
| 5164 | 6887 } |
| 6888 | |
| 6889 ComplexMatrix | |
| 5785 | 6890 SparseMatrix::solve (MatrixType &mattype, const ComplexMatrix& b) const |
| 5164 | 6891 { |
| 5275 | 6892 octave_idx_type info; |
| 5164 | 6893 double rcond; |
| 6894 return solve (mattype, b, info, rcond, 0); | |
| 6895 } | |
| 6896 | |
| 6897 ComplexMatrix | |
|
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|
6898 SparseMatrix::solve (MatrixType &mattype, const ComplexMatrix& b, |
|
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|
6899 octave_idx_type& info) const |
| 5164 | 6900 { |
| 6901 double rcond; | |
| 6902 return solve (mattype, b, info, rcond, 0); | |
| 6903 } | |
| 6904 | |
| 6905 ComplexMatrix | |
|
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|
6906 SparseMatrix::solve (MatrixType &mattype, const ComplexMatrix& b, |
|
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|
6907 octave_idx_type& info, double& rcond) const |
| 5164 | 6908 { |
| 6909 return solve (mattype, b, info, rcond, 0); | |
| 6910 } | |
| 6911 | |
| 6912 ComplexMatrix | |
|
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|
6913 SparseMatrix::solve (MatrixType &mattype, const ComplexMatrix& b, |
|
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|
6914 octave_idx_type& err, double& rcond, |
|
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|
6915 solve_singularity_handler sing_handler, |
|
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|
6916 bool singular_fallback) const |
| 5164 | 6917 { |
| 5681 | 6918 ComplexMatrix retval; |
| 5322 | 6919 int typ = mattype.type (false); |
| 5164 | 6920 |
| 5785 | 6921 if (typ == MatrixType::Unknown) |
| 5164 | 6922 typ = mattype.type (*this); |
| 6923 | |
| 5785 | 6924 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5681 | 6925 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6926 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
| 5681 | 6927 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6928 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
| 5681 | 6929 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6930 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
| 5681 | 6931 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
|
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|
6932 else if (typ == MatrixType::Tridiagonal |
|
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|
6933 || typ == MatrixType::Tridiagonal_Hermitian) |
| 5681 | 6934 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6935 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
| 5681 | 6936 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
| 5785 | 6937 else if (typ != MatrixType::Rectangular) |
| 5164 | 6938 { |
| 5681 | 6939 (*current_liboctave_error_handler) ("unknown matrix type"); |
| 5164 | 6940 return ComplexMatrix (); |
| 6941 } | |
| 5681 | 6942 |
|
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|
6943 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
| 5681 | 6944 { |
| 6945 rcond = 1.; | |
| 6946 #ifdef USE_QRSOLVE | |
| 6947 retval = qrsolve (*this, b, err); | |
| 6948 #else | |
|
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|
6949 retval = dmsolve<ComplexMatrix, SparseMatrix, ComplexMatrix> |
|
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|
6950 (*this, b, err); |
| 5681 | 6951 #endif |
| 6952 } | |
| 6953 | |
| 6954 return retval; | |
| 5164 | 6955 } |
| 6956 | |
| 6957 SparseComplexMatrix | |
| 5785 | 6958 SparseMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b) const |
| 5164 | 6959 { |
| 5275 | 6960 octave_idx_type info; |
| 5164 | 6961 double rcond; |
| 6962 return solve (mattype, b, info, rcond, 0); | |
| 6963 } | |
| 6964 | |
| 6965 SparseComplexMatrix | |
|
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|
6966 SparseMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
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|
6967 octave_idx_type& info) const |
| 5164 | 6968 { |
| 6969 double rcond; | |
| 6970 return solve (mattype, b, info, rcond, 0); | |
| 6971 } | |
| 6972 | |
| 6973 SparseComplexMatrix | |
| 5785 | 6974 SparseMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
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|
6975 octave_idx_type& info, double& rcond) const |
| 5164 | 6976 { |
| 6977 return solve (mattype, b, info, rcond, 0); | |
| 6978 } | |
| 6979 | |
| 6980 SparseComplexMatrix | |
|
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|
6981 SparseMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
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|
6982 octave_idx_type& err, double& rcond, |
|
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|
6983 solve_singularity_handler sing_handler, |
|
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|
6984 bool singular_fallback) const |
| 5164 | 6985 { |
| 5681 | 6986 SparseComplexMatrix retval; |
| 5322 | 6987 int typ = mattype.type (false); |
| 5164 | 6988 |
| 5785 | 6989 if (typ == MatrixType::Unknown) |
| 5164 | 6990 typ = mattype.type (*this); |
| 6991 | |
| 5785 | 6992 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5681 | 6993 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6994 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
| 5681 | 6995 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6996 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
| 5681 | 6997 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6998 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
| 5681 | 6999 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
|
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7000 else if (typ == MatrixType::Tridiagonal |
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|
7001 || typ == MatrixType::Tridiagonal_Hermitian) |
| 5681 | 7002 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 7003 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
| 5681 | 7004 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
| 5785 | 7005 else if (typ != MatrixType::Rectangular) |
| 5164 | 7006 { |
| 5681 | 7007 (*current_liboctave_error_handler) ("unknown matrix type"); |
| 5164 | 7008 return SparseComplexMatrix (); |
| 7009 } | |
| 5681 | 7010 |
|
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|
7011 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
| 5681 | 7012 { |
| 7013 rcond = 1.; | |
| 7014 #ifdef USE_QRSOLVE | |
| 7015 retval = qrsolve (*this, b, err); | |
| 7016 #else | |
|
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7017 retval = dmsolve<SparseComplexMatrix, SparseMatrix, SparseComplexMatrix> |
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|
7018 (*this, b, err); |
| 5681 | 7019 #endif |
| 7020 } | |
| 7021 | |
| 7022 return retval; | |
| 5164 | 7023 } |
| 7024 | |
| 7025 ColumnVector | |
| 5785 | 7026 SparseMatrix::solve (MatrixType &mattype, const ColumnVector& b) const |
| 5164 | 7027 { |
| 5275 | 7028 octave_idx_type info; double rcond; |
| 5164 | 7029 return solve (mattype, b, info, rcond); |
| 7030 } | |
| 7031 | |
| 7032 ColumnVector | |
|
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7033 SparseMatrix::solve (MatrixType &mattype, const ColumnVector& b, |
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|
7034 octave_idx_type& info) const |
| 5164 | 7035 { |
| 7036 double rcond; | |
| 7037 return solve (mattype, b, info, rcond); | |
| 7038 } | |
| 7039 | |
| 7040 ColumnVector | |
|
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7041 SparseMatrix::solve (MatrixType &mattype, const ColumnVector& b, |
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7042 octave_idx_type& info, double& rcond) const |
| 5164 | 7043 { |
| 7044 return solve (mattype, b, info, rcond, 0); | |
| 7045 } | |
| 7046 | |
| 7047 ColumnVector | |
|
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7048 SparseMatrix::solve (MatrixType &mattype, const ColumnVector& b, |
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|
7049 octave_idx_type& info, double& rcond, |
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|
7050 solve_singularity_handler sing_handler) const |
| 5164 | 7051 { |
| 7052 Matrix tmp (b); | |
|
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|
7053 return solve (mattype, tmp, info, rcond, |
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|
7054 sing_handler).column (static_cast<octave_idx_type> (0)); |
| 5164 | 7055 } |
| 7056 | |
| 7057 ComplexColumnVector | |
| 5785 | 7058 SparseMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b) const |
| 5164 | 7059 { |
| 5275 | 7060 octave_idx_type info; |
| 5164 | 7061 double rcond; |
| 7062 return solve (mattype, b, info, rcond, 0); | |
| 7063 } | |
| 7064 | |
| 7065 ComplexColumnVector | |
|
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|
7066 SparseMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b, |
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|
7067 octave_idx_type& info) const |
| 5164 | 7068 { |
| 7069 double rcond; | |
| 7070 return solve (mattype, b, info, rcond, 0); | |
| 7071 } | |
| 7072 | |
| 7073 ComplexColumnVector | |
|
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|
7074 SparseMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b, |
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|
7075 octave_idx_type& info, |
|
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|
7076 double& rcond) const |
| 5164 | 7077 { |
| 7078 return solve (mattype, b, info, rcond, 0); | |
| 7079 } | |
| 7080 | |
| 7081 ComplexColumnVector | |
|
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7082 SparseMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b, |
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|
7083 octave_idx_type& info, double& rcond, |
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|
7084 solve_singularity_handler sing_handler) const |
| 5164 | 7085 { |
| 7086 ComplexMatrix tmp (b); | |
|
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|
7087 return solve (mattype, tmp, info, rcond, |
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|
7088 sing_handler).column (static_cast<octave_idx_type> (0)); |
| 5164 | 7089 } |
| 7090 | |
| 7091 Matrix | |
| 7092 SparseMatrix::solve (const Matrix& b) const | |
| 7093 { | |
| 5275 | 7094 octave_idx_type info; |
| 5164 | 7095 double rcond; |
| 7096 return solve (b, info, rcond, 0); | |
| 7097 } | |
| 7098 | |
| 7099 Matrix | |
| 5275 | 7100 SparseMatrix::solve (const Matrix& b, octave_idx_type& info) const |
| 5164 | 7101 { |
| 7102 double rcond; | |
| 7103 return solve (b, info, rcond, 0); | |
| 7104 } | |
| 7105 | |
| 7106 Matrix | |
|
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7107 SparseMatrix::solve (const Matrix& b, octave_idx_type& info, |
|
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|
7108 double& rcond) const |
| 5164 | 7109 { |
| 7110 return solve (b, info, rcond, 0); | |
| 7111 } | |
| 7112 | |
| 7113 Matrix | |
|
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7114 SparseMatrix::solve (const Matrix& b, octave_idx_type& err, double& rcond, |
|
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7115 solve_singularity_handler sing_handler) const |
| 5164 | 7116 { |
| 5785 | 7117 MatrixType mattype (*this); |
| 5164 | 7118 return solve (mattype, b, err, rcond, sing_handler); |
| 7119 } | |
| 7120 | |
| 7121 SparseMatrix | |
| 7122 SparseMatrix::solve (const SparseMatrix& b) const | |
| 7123 { | |
| 5275 | 7124 octave_idx_type info; |
| 5164 | 7125 double rcond; |
| 7126 return solve (b, info, rcond, 0); | |
| 7127 } | |
| 7128 | |
| 7129 SparseMatrix | |
|
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7130 SparseMatrix::solve (const SparseMatrix& b, |
|
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|
7131 octave_idx_type& info) const |
| 5164 | 7132 { |
| 7133 double rcond; | |
| 7134 return solve (b, info, rcond, 0); | |
| 7135 } | |
| 7136 | |
| 7137 SparseMatrix | |
| 7138 SparseMatrix::solve (const SparseMatrix& b, | |
|
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|
7139 octave_idx_type& info, double& rcond) const |
| 5164 | 7140 { |
| 7141 return solve (b, info, rcond, 0); | |
| 7142 } | |
| 7143 | |
| 7144 SparseMatrix | |
|
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7145 SparseMatrix::solve (const SparseMatrix& b, octave_idx_type& err, double& rcond, |
|
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|
7146 solve_singularity_handler sing_handler) const |
| 5164 | 7147 { |
| 5785 | 7148 MatrixType mattype (*this); |
| 5164 | 7149 return solve (mattype, b, err, rcond, sing_handler); |
| 7150 } | |
| 7151 | |
| 7152 ComplexMatrix | |
|
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7153 SparseMatrix::solve (const ComplexMatrix& b, octave_idx_type& info) const |
| 5164 | 7154 { |
| 7155 double rcond; | |
| 7156 return solve (b, info, rcond, 0); | |
| 7157 } | |
| 7158 | |
| 7159 ComplexMatrix | |
|
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|
7160 SparseMatrix::solve (const ComplexMatrix& b, octave_idx_type& info, |
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|
7161 double& rcond) const |
| 5164 | 7162 { |
| 7163 return solve (b, info, rcond, 0); | |
| 7164 } | |
| 7165 | |
| 7166 ComplexMatrix | |
|
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7167 SparseMatrix::solve (const ComplexMatrix& b, octave_idx_type& err, |
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|
7168 double& rcond, |
|
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7169 solve_singularity_handler sing_handler) const |
| 5164 | 7170 { |
| 5785 | 7171 MatrixType mattype (*this); |
| 5164 | 7172 return solve (mattype, b, err, rcond, sing_handler); |
| 7173 } | |
| 7174 | |
| 7175 SparseComplexMatrix | |
| 7176 SparseMatrix::solve (const SparseComplexMatrix& b) const | |
| 7177 { | |
| 5275 | 7178 octave_idx_type info; |
| 5164 | 7179 double rcond; |
| 7180 return solve (b, info, rcond, 0); | |
| 7181 } | |
| 7182 | |
| 7183 SparseComplexMatrix | |
|
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|
7184 SparseMatrix::solve (const SparseComplexMatrix& b, octave_idx_type& info) const |
| 5164 | 7185 { |
| 7186 double rcond; | |
| 7187 return solve (b, info, rcond, 0); | |
| 7188 } | |
| 7189 | |
| 7190 SparseComplexMatrix | |
|
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|
7191 SparseMatrix::solve (const SparseComplexMatrix& b, octave_idx_type& info, |
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|
7192 double& rcond) const |
| 5164 | 7193 { |
| 7194 return solve (b, info, rcond, 0); | |
| 7195 } | |
| 7196 | |
| 7197 SparseComplexMatrix | |
|
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|
7198 SparseMatrix::solve (const SparseComplexMatrix& b, |
|
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|
7199 octave_idx_type& err, double& rcond, |
|
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|
7200 solve_singularity_handler sing_handler) const |
| 5164 | 7201 { |
| 5785 | 7202 MatrixType mattype (*this); |
| 5164 | 7203 return solve (mattype, b, err, rcond, sing_handler); |
| 7204 } | |
| 7205 | |
| 7206 ColumnVector | |
| 7207 SparseMatrix::solve (const ColumnVector& b) const | |
| 7208 { | |
| 5275 | 7209 octave_idx_type info; double rcond; |
| 5164 | 7210 return solve (b, info, rcond); |
| 7211 } | |
| 7212 | |
| 7213 ColumnVector | |
| 5275 | 7214 SparseMatrix::solve (const ColumnVector& b, octave_idx_type& info) const |
| 5164 | 7215 { |
| 7216 double rcond; | |
| 7217 return solve (b, info, rcond); | |
| 7218 } | |
| 7219 | |
| 7220 ColumnVector | |
|
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|
7221 SparseMatrix::solve (const ColumnVector& b, octave_idx_type& info, |
|
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|
7222 double& rcond) const |
| 5164 | 7223 { |
| 7224 return solve (b, info, rcond, 0); | |
| 7225 } | |
| 7226 | |
| 7227 ColumnVector | |
|
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7228 SparseMatrix::solve (const ColumnVector& b, octave_idx_type& info, |
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|
7229 double& rcond, |
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|
7230 solve_singularity_handler sing_handler) const |
| 5164 | 7231 { |
| 7232 Matrix tmp (b); | |
|
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|
7233 return solve (tmp, info, rcond, |
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|
7234 sing_handler).column (static_cast<octave_idx_type> (0)); |
| 5164 | 7235 } |
| 7236 | |
| 7237 ComplexColumnVector | |
| 7238 SparseMatrix::solve (const ComplexColumnVector& b) const | |
| 7239 { | |
| 5275 | 7240 octave_idx_type info; |
| 5164 | 7241 double rcond; |
| 7242 return solve (b, info, rcond, 0); | |
| 7243 } | |
| 7244 | |
| 7245 ComplexColumnVector | |
| 5275 | 7246 SparseMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info) const |
| 5164 | 7247 { |
| 7248 double rcond; | |
| 7249 return solve (b, info, rcond, 0); | |
| 7250 } | |
| 7251 | |
| 7252 ComplexColumnVector | |
|
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7253 SparseMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info, |
|
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|
7254 double& rcond) const |
| 5164 | 7255 { |
| 7256 return solve (b, info, rcond, 0); | |
| 7257 } | |
| 7258 | |
| 7259 ComplexColumnVector | |
|
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|
7260 SparseMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info, |
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|
7261 double& rcond, |
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|
7262 solve_singularity_handler sing_handler) const |
| 5164 | 7263 { |
| 7264 ComplexMatrix tmp (b); | |
|
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|
7265 return solve (tmp, info, rcond, |
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|
7266 sing_handler).column (static_cast<octave_idx_type> (0)); |
| 5164 | 7267 } |
| 7268 | |
| 7269 // other operations. | |
| 7270 | |
| 7271 bool | |
| 7272 SparseMatrix::any_element_is_negative (bool neg_zero) const | |
| 7273 { | |
| 5681 | 7274 octave_idx_type nel = nnz (); |
| 5164 | 7275 |
| 7276 if (neg_zero) | |
| 7277 { | |
| 5275 | 7278 for (octave_idx_type i = 0; i < nel; i++) |
|
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|
7279 if (lo_ieee_signbit (data (i))) |
|
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|
7280 return true; |
| 5164 | 7281 } |
| 7282 else | |
| 7283 { | |
| 5275 | 7284 for (octave_idx_type i = 0; i < nel; i++) |
|
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|
7285 if (data (i) < 0) |
|
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|
7286 return true; |
| 5164 | 7287 } |
| 7288 | |
| 7289 return false; | |
| 7290 } | |
| 7291 | |
| 7292 bool | |
|
7922
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7293 SparseMatrix::any_element_is_nan (void) const |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7294 { |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7295 octave_idx_type nel = nnz (); |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7296 |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7297 for (octave_idx_type i = 0; i < nel; i++) |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7298 { |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7299 double val = data (i); |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7300 if (xisnan (val)) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7301 return true; |
|
7922
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7302 } |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7303 |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7304 return false; |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7305 } |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7306 |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7307 bool |
| 5164 | 7308 SparseMatrix::any_element_is_inf_or_nan (void) const |
| 7309 { | |
| 5681 | 7310 octave_idx_type nel = nnz (); |
| 5275 | 7311 |
| 7312 for (octave_idx_type i = 0; i < nel; i++) | |
| 5164 | 7313 { |
| 7314 double val = data (i); | |
| 7315 if (xisinf (val) || xisnan (val)) | |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7316 return true; |
| 5164 | 7317 } |
| 7318 | |
| 7319 return false; | |
| 7320 } | |
| 7321 | |
| 7322 bool | |
|
9852
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7323 SparseMatrix::any_element_not_one_or_zero (void) const |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7324 { |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7325 octave_idx_type nel = nnz (); |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7326 |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7327 for (octave_idx_type i = 0; i < nel; i++) |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7328 { |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7329 double val = data (i); |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7330 if (val != 0.0 && val != 1.0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7331 return true; |
|
9852
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7332 } |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7333 |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7334 return false; |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7335 } |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7336 |
|
aabf7a8c2e57
implement sparse logical conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7337 bool |
| 6989 | 7338 SparseMatrix::all_elements_are_zero (void) const |
| 7339 { | |
| 7340 octave_idx_type nel = nnz (); | |
| 7341 | |
| 7342 for (octave_idx_type i = 0; i < nel; i++) | |
| 7343 if (data (i) != 0) | |
| 7344 return false; | |
| 7345 | |
| 7346 return true; | |
| 7347 } | |
| 7348 | |
| 7349 bool | |
| 5164 | 7350 SparseMatrix::all_elements_are_int_or_inf_or_nan (void) const |
| 7351 { | |
| 5681 | 7352 octave_idx_type nel = nnz (); |
| 5275 | 7353 |
| 7354 for (octave_idx_type i = 0; i < nel; i++) | |
| 5164 | 7355 { |
| 7356 double val = data (i); | |
| 7357 if (xisnan (val) || D_NINT (val) == val) | |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7358 continue; |
| 5164 | 7359 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7360 return false; |
| 5164 | 7361 } |
| 7362 | |
| 7363 return true; | |
| 7364 } | |
| 7365 | |
| 7366 // Return nonzero if any element of M is not an integer. Also extract | |
| 7367 // the largest and smallest values and return them in MAX_VAL and MIN_VAL. | |
| 7368 | |
| 7369 bool | |
| 7370 SparseMatrix::all_integers (double& max_val, double& min_val) const | |
| 7371 { | |
| 5681 | 7372 octave_idx_type nel = nnz (); |
| 5164 | 7373 |
| 7374 if (nel == 0) | |
| 7375 return false; | |
| 7376 | |
| 7377 max_val = data (0); | |
| 7378 min_val = data (0); | |
| 7379 | |
| 5275 | 7380 for (octave_idx_type i = 0; i < nel; i++) |
| 5164 | 7381 { |
| 7382 double val = data (i); | |
| 7383 | |
| 7384 if (val > max_val) | |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7385 max_val = val; |
| 5164 | 7386 |
| 7387 if (val < min_val) | |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7388 min_val = val; |
| 5164 | 7389 |
| 7390 if (D_NINT (val) != val) | |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7391 return false; |
| 5164 | 7392 } |
| 7393 | |
| 7394 return true; | |
| 7395 } | |
| 7396 | |
| 7397 bool | |
| 7398 SparseMatrix::too_large_for_float (void) const | |
| 7399 { | |
|
15212
4bbd3bbb8912
reduce code duplication in too_large_for_float array functions
John W. Eaton <jwe@octave.org>
parents:
15018
diff
changeset
|
7400 return test_any (xtoo_large_for_float); |
| 5164 | 7401 } |
| 7402 | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7403 SparseBoolMatrix |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7404 SparseMatrix::operator ! (void) const |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7405 { |
|
11130
7c573eb981eb
consistently give error for operator not applied to NaN values
John W. Eaton <jwe@octave.org>
parents:
10785
diff
changeset
|
7406 if (any_element_is_nan ()) |
|
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
20955
diff
changeset
|
7407 err_nan_to_logical_conversion (); |
|
11130
7c573eb981eb
consistently give error for operator not applied to NaN values
John W. Eaton <jwe@octave.org>
parents:
10785
diff
changeset
|
7408 |
| 5275 | 7409 octave_idx_type nr = rows (); |
| 7410 octave_idx_type nc = cols (); | |
| 5681 | 7411 octave_idx_type nz1 = nnz (); |
| 5275 | 7412 octave_idx_type nz2 = nr*nc - nz1; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7413 |
| 5164 | 7414 SparseBoolMatrix r (nr, nc, nz2); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7415 |
| 5275 | 7416 octave_idx_type ii = 0; |
| 7417 octave_idx_type jj = 0; | |
| 5164 | 7418 r.cidx (0) = 0; |
| 5275 | 7419 for (octave_idx_type i = 0; i < nc; i++) |
| 5164 | 7420 { |
| 5275 | 7421 for (octave_idx_type j = 0; j < nr; j++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7422 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7423 if (jj < cidx (i+1) && ridx (jj) == j) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7424 jj++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7425 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7426 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7427 r.data (ii) = true; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7428 r.ridx (ii++) = j; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7429 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7430 } |
| 5164 | 7431 r.cidx (i+1) = ii; |
| 7432 } | |
| 7433 | |
| 7434 return r; | |
| 7435 } | |
| 7436 | |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7437 // FIXME: Do these really belong here? Maybe they should be in a base class? |
| 5164 | 7438 |
| 7439 SparseBoolMatrix | |
| 7440 SparseMatrix::all (int dim) const | |
| 7441 { | |
| 7442 SPARSE_ALL_OP (dim); | |
| 7443 } | |
| 7444 | |
| 7445 SparseBoolMatrix | |
| 7446 SparseMatrix::any (int dim) const | |
| 7447 { | |
| 7448 SPARSE_ANY_OP (dim); | |
| 7449 } | |
| 7450 | |
| 7451 SparseMatrix | |
| 7452 SparseMatrix::cumprod (int dim) const | |
| 7453 { | |
| 7454 SPARSE_CUMPROD (SparseMatrix, double, cumprod); | |
| 7455 } | |
| 7456 | |
| 7457 SparseMatrix | |
| 7458 SparseMatrix::cumsum (int dim) const | |
| 7459 { | |
| 7460 SPARSE_CUMSUM (SparseMatrix, double, cumsum); | |
| 7461 } | |
| 7462 | |
| 7463 SparseMatrix | |
| 7464 SparseMatrix::prod (int dim) const | |
| 7465 { | |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
7466 if ((rows () == 1 && dim == -1) || dim == 1) |
|
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14844
diff
changeset
|
7467 return transpose (). prod (0). transpose (); |
| 7269 | 7468 else |
| 7469 { | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7470 SPARSE_REDUCTION_OP (SparseMatrix, double, *=, |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7471 (cidx (j+1) - cidx (j) < nr ? 0.0 : 1.0), 1.0); |
| 7269 | 7472 } |
| 5164 | 7473 } |
| 7474 | |
| 7475 SparseMatrix | |
| 7476 SparseMatrix::sum (int dim) const | |
| 7477 { | |
| 7478 SPARSE_REDUCTION_OP (SparseMatrix, double, +=, 0.0, 0.0); | |
| 7479 } | |
| 7480 | |
| 7481 SparseMatrix | |
| 7482 SparseMatrix::sumsq (int dim) const | |
| 7483 { | |
| 7484 #define ROW_EXPR \ | |
| 7269 | 7485 double d = data (i); \ |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7486 tmp[ridx (i)] += d * d |
| 5164 | 7487 |
| 7488 #define COL_EXPR \ | |
| 7269 | 7489 double d = data (i); \ |
| 5164 | 7490 tmp[j] += d * d |
| 7491 | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7492 SPARSE_BASE_REDUCTION_OP (SparseMatrix, double, ROW_EXPR, COL_EXPR, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7493 0.0, 0.0); |
| 5164 | 7494 |
| 7495 #undef ROW_EXPR | |
| 7496 #undef COL_EXPR | |
| 7497 } | |
| 7498 | |
| 7499 SparseMatrix | |
| 7500 SparseMatrix::abs (void) const | |
| 7501 { | |
| 5681 | 7502 octave_idx_type nz = nnz (); |
| 5164 | 7503 |
| 7504 SparseMatrix retval (*this); | |
| 7505 | |
| 5275 | 7506 for (octave_idx_type i = 0; i < nz; i++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7507 retval.data (i) = fabs (retval.data (i)); |
| 5164 | 7508 |
| 7509 return retval; | |
| 7510 } | |
| 7511 | |
| 7512 SparseMatrix | |
| 5275 | 7513 SparseMatrix::diag (octave_idx_type k) const |
| 5164 | 7514 { |
|
7620
36594d5bbe13
Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents:
7602
diff
changeset
|
7515 return MSparse<double>::diag (k); |
| 5164 | 7516 } |
| 7517 | |
| 7518 Matrix | |
| 7519 SparseMatrix::matrix_value (void) const | |
| 7520 { | |
|
10431
5dd7a7bf4950
simplify sparse->full conversions in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
10421
diff
changeset
|
7521 return Sparse<double>::array_value (); |
| 5164 | 7522 } |
| 7523 | |
| 7524 std::ostream& | |
| 7525 operator << (std::ostream& os, const SparseMatrix& a) | |
| 7526 { | |
| 5275 | 7527 octave_idx_type nc = a.cols (); |
| 5164 | 7528 |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7529 // add one to the printed indices to go from |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7530 // zero-based to one-based arrays |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7531 for (octave_idx_type j = 0; j < nc; j++) |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7532 { |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7533 octave_quit (); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7534 for (octave_idx_type i = a.cidx (j); i < a.cidx (j+1); i++) |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7535 { |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7536 os << a.ridx (i) + 1 << " " << j + 1 << " "; |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7537 octave_write_double (os, a.data (i)); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7538 os << "\n"; |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7539 } |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7540 } |
| 5164 | 7541 |
| 7542 return os; | |
| 7543 } | |
| 7544 | |
| 7545 std::istream& | |
| 7546 operator >> (std::istream& is, SparseMatrix& a) | |
| 7547 { | |
|
9469
c6edba80dfae
sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents:
9417
diff
changeset
|
7548 typedef SparseMatrix::element_type elt_type; |
|
c6edba80dfae
sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents:
9417
diff
changeset
|
7549 |
|
c6edba80dfae
sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents:
9417
diff
changeset
|
7550 return read_sparse_matrix<elt_type> (is, a, octave_read_value<double>); |
| 5164 | 7551 } |
| 7552 | |
| 7553 SparseMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7554 SparseMatrix::squeeze (void) const |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7555 { |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7556 return MSparse<double>::squeeze (); |
| 5164 | 7557 } |
| 7558 | |
| 7559 SparseMatrix | |
| 7560 SparseMatrix::reshape (const dim_vector& new_dims) const | |
| 7561 { | |
| 7562 return MSparse<double>::reshape (new_dims); | |
| 7563 } | |
| 7564 | |
| 7565 SparseMatrix | |
| 5275 | 7566 SparseMatrix::permute (const Array<octave_idx_type>& vec, bool inv) const |
| 5164 | 7567 { |
| 7568 return MSparse<double>::permute (vec, inv); | |
| 7569 } | |
| 7570 | |
| 7571 SparseMatrix | |
| 5275 | 7572 SparseMatrix::ipermute (const Array<octave_idx_type>& vec) const |
| 5164 | 7573 { |
| 7574 return MSparse<double>::ipermute (vec); | |
| 7575 } | |
| 7576 | |
| 7577 // matrix by matrix -> matrix operations | |
| 7578 | |
| 7579 SparseMatrix | |
| 7580 operator * (const SparseMatrix& m, const SparseMatrix& a) | |
| 7581 { | |
| 5681 | 7582 SPARSE_SPARSE_MUL (SparseMatrix, double, double); |
| 5164 | 7583 } |
| 7584 | |
| 5429 | 7585 Matrix |
| 7586 operator * (const Matrix& m, const SparseMatrix& a) | |
| 7587 { | |
| 5681 | 7588 FULL_SPARSE_MUL (Matrix, double, 0.); |
| 5429 | 7589 } |
| 7590 | |
| 7591 Matrix | |
|
7802
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7592 mul_trans (const Matrix& m, const SparseMatrix& a) |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7593 { |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7594 FULL_SPARSE_MUL_TRANS (Matrix, double, 0., ); |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7595 } |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7596 |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7597 Matrix |
| 5429 | 7598 operator * (const SparseMatrix& m, const Matrix& a) |
| 7599 { | |
| 5681 | 7600 SPARSE_FULL_MUL (Matrix, double, 0.); |
| 5429 | 7601 } |
| 7602 | |
|
7802
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7603 Matrix |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7604 trans_mul (const SparseMatrix& m, const Matrix& a) |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7605 { |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7606 SPARSE_FULL_TRANS_MUL (Matrix, double, 0., ); |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7607 } |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7776
diff
changeset
|
7608 |
|
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7609 // diag * sparse and sparse * diag |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7610 |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7611 SparseMatrix |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7612 operator * (const DiagMatrix& d, const SparseMatrix& a) |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7613 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7614 return do_mul_dm_sm<SparseMatrix> (d, a); |
|
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7615 } |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7616 |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7617 SparseMatrix |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7618 operator * (const SparseMatrix& a, const DiagMatrix& d) |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7619 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7620 return do_mul_sm_dm<SparseMatrix> (a, d); |
|
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7621 } |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8951
diff
changeset
|
7622 |
|
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7623 SparseMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7624 operator + (const DiagMatrix& d, const SparseMatrix& a) |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7625 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7626 return do_add_dm_sm<SparseMatrix> (d, a); |
|
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7627 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7628 |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7629 SparseMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7630 operator - (const DiagMatrix& d, const SparseMatrix& a) |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7631 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7632 return do_sub_dm_sm<SparseMatrix> (d, a); |
|
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7633 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7634 |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7635 SparseMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7636 operator + (const SparseMatrix& a, const DiagMatrix& d) |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7637 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7638 return do_add_sm_dm<SparseMatrix> (a, d); |
|
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7639 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7640 |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7641 SparseMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7642 operator - (const SparseMatrix& a, const DiagMatrix& d) |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7643 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7644 return do_sub_sm_dm<SparseMatrix> (a, d); |
|
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7645 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7646 |
|
8968
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7647 // perm * sparse and sparse * perm |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7648 |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7649 SparseMatrix |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7650 operator * (const PermMatrix& p, const SparseMatrix& a) |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7651 { |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7652 return octinternal_do_mul_pm_sm (p, a); |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7653 } |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7654 |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7655 SparseMatrix |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7656 operator * (const SparseMatrix& a, const PermMatrix& p) |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7657 { |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7658 return octinternal_do_mul_sm_pm (a, p); |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7659 } |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7660 |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7661 // FIXME: it would be nice to share code among the min/max functions below. |
| 5164 | 7662 |
| 7663 #define EMPTY_RETURN_CHECK(T) \ | |
| 7664 if (nr == 0 || nc == 0) \ | |
| 7665 return T (nr, nc); | |
| 7666 | |
| 7667 SparseMatrix | |
| 7668 min (double d, const SparseMatrix& m) | |
| 7669 { | |
| 7670 SparseMatrix result; | |
| 7671 | |
| 5275 | 7672 octave_idx_type nr = m.rows (); |
| 7673 octave_idx_type nc = m.columns (); | |
| 5164 | 7674 |
| 7675 EMPTY_RETURN_CHECK (SparseMatrix); | |
| 7676 | |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
7677 // Count the number of nonzero elements |
| 5164 | 7678 if (d < 0.) |
| 7679 { | |
| 7680 result = SparseMatrix (nr, nc, d); | |
| 5275 | 7681 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7682 for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7683 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7684 double tmp = xmin (d, m.data (i)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7685 if (tmp != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7686 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7687 octave_idx_type idx = m.ridx (i) + j * nr; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7688 result.xdata (idx) = tmp; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7689 result.xridx (idx) = m.ridx (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7690 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7691 } |
| 5164 | 7692 } |
| 7693 else | |
| 7694 { | |
| 5275 | 7695 octave_idx_type nel = 0; |
| 7696 for (octave_idx_type j = 0; j < nc; j++) | |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7697 for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7698 if (xmin (d, m.data (i)) != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7699 nel++; |
| 5164 | 7700 |
| 7701 result = SparseMatrix (nr, nc, nel); | |
| 7702 | |
| 5275 | 7703 octave_idx_type ii = 0; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7704 result.xcidx (0) = 0; |
| 5275 | 7705 for (octave_idx_type j = 0; j < nc; j++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7706 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7707 for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7708 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7709 double tmp = xmin (d, m.data (i)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7710 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7711 if (tmp != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7712 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7713 result.xdata (ii) = tmp; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7714 result.xridx (ii++) = m.ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7715 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7716 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7717 result.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7718 } |
| 5164 | 7719 } |
| 7720 | |
| 7721 return result; | |
| 7722 } | |
| 7723 | |
| 7724 SparseMatrix | |
| 7725 min (const SparseMatrix& m, double d) | |
| 7726 { | |
| 7727 return min (d, m); | |
| 7728 } | |
| 7729 | |
| 7730 SparseMatrix | |
| 7731 min (const SparseMatrix& a, const SparseMatrix& b) | |
| 7732 { | |
| 7733 SparseMatrix r; | |
| 7734 | |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7735 octave_idx_type a_nr = a.rows (); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7736 octave_idx_type a_nc = a.cols (); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7737 octave_idx_type b_nr = b.rows (); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7738 octave_idx_type b_nc = b.cols (); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7739 |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7740 if (a_nr == b_nr && a_nc == b_nc) |
| 5164 | 7741 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7742 r = SparseMatrix (a_nr, a_nc, (a.nnz () + b.nnz ())); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7743 |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7744 octave_idx_type jx = 0; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7745 r.cidx (0) = 0; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7746 for (octave_idx_type i = 0 ; i < a_nc ; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7747 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7748 octave_idx_type ja = a.cidx (i); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7749 octave_idx_type ja_max = a.cidx (i+1); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7750 bool ja_lt_max= ja < ja_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7751 |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7752 octave_idx_type jb = b.cidx (i); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7753 octave_idx_type jb_max = b.cidx (i+1); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7754 bool jb_lt_max = jb < jb_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7755 |
|
18678
6113e0c6920b
maint: Clean up extra spaces before/after parentheses.
Rik <rik@octave.org>
parents:
18676
diff
changeset
|
7756 while (ja_lt_max || jb_lt_max) |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7757 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7758 octave_quit (); |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7759 if ((! jb_lt_max) || (ja_lt_max && (a.ridx (ja) < b.ridx (jb)))) |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7760 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7761 double tmp = xmin (a.data (ja), 0.); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7762 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7763 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7764 r.ridx (jx) = a.ridx (ja); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7765 r.data (jx) = tmp; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7766 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7767 } |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7768 ja++; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7769 ja_lt_max= ja < ja_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7770 } |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7771 else if ((! ja_lt_max) |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7772 || (jb_lt_max && (b.ridx (jb) < a.ridx (ja)))) |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7773 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7774 double tmp = xmin (0., b.data (jb)); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7775 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7776 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7777 r.ridx (jx) = b.ridx (jb); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7778 r.data (jx) = tmp; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7779 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7780 } |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7781 jb++; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7782 jb_lt_max= jb < jb_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7783 } |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7784 else |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7785 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7786 double tmp = xmin (a.data (ja), b.data (jb)); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7787 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7788 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7789 r.data (jx) = tmp; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7790 r.ridx (jx) = a.ridx (ja); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7791 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7792 } |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7793 ja++; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7794 ja_lt_max= ja < ja_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7795 jb++; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7796 jb_lt_max= jb < jb_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7797 } |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7798 } |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7799 r.cidx (i+1) = jx; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7800 } |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7801 |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7802 r.maybe_compress (); |
| 5164 | 7803 } |
| 7804 else | |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7805 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7806 if (a_nr == 0 || a_nc == 0) |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7807 r.resize (a_nr, a_nc); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7808 else if (b_nr == 0 || b_nc == 0) |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7809 r.resize (b_nr, b_nc); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7810 else |
|
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
20955
diff
changeset
|
7811 err_nonconformant ("min", a_nr, a_nc, b_nr, b_nc); |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7812 } |
| 5164 | 7813 |
| 7814 return r; | |
| 7815 } | |
| 7816 | |
| 7817 SparseMatrix | |
| 7818 max (double d, const SparseMatrix& m) | |
| 7819 { | |
| 7820 SparseMatrix result; | |
| 7821 | |
| 5275 | 7822 octave_idx_type nr = m.rows (); |
| 7823 octave_idx_type nc = m.columns (); | |
| 5164 | 7824 |
| 7825 EMPTY_RETURN_CHECK (SparseMatrix); | |
| 7826 | |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
7827 // Count the number of nonzero elements |
| 5164 | 7828 if (d > 0.) |
| 7829 { | |
| 7830 result = SparseMatrix (nr, nc, d); | |
| 5275 | 7831 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7832 for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7833 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7834 double tmp = xmax (d, m.data (i)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7835 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7836 if (tmp != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7837 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7838 octave_idx_type idx = m.ridx (i) + j * nr; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7839 result.xdata (idx) = tmp; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7840 result.xridx (idx) = m.ridx (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7841 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7842 } |
| 5164 | 7843 } |
| 7844 else | |
| 7845 { | |
| 5275 | 7846 octave_idx_type nel = 0; |
| 7847 for (octave_idx_type j = 0; j < nc; j++) | |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7848 for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7849 if (xmax (d, m.data (i)) != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7850 nel++; |
| 5164 | 7851 |
| 7852 result = SparseMatrix (nr, nc, nel); | |
| 7853 | |
| 5275 | 7854 octave_idx_type ii = 0; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7855 result.xcidx (0) = 0; |
| 5275 | 7856 for (octave_idx_type j = 0; j < nc; j++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7857 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7858 for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7859 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7860 double tmp = xmax (d, m.data (i)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7861 if (tmp != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7862 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7863 result.xdata (ii) = tmp; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7864 result.xridx (ii++) = m.ridx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7865 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7866 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7867 result.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7868 } |
| 5164 | 7869 } |
| 7870 | |
| 7871 return result; | |
| 7872 } | |
| 7873 | |
| 7874 SparseMatrix | |
| 7875 max (const SparseMatrix& m, double d) | |
| 7876 { | |
| 7877 return max (d, m); | |
| 7878 } | |
| 7879 | |
| 7880 SparseMatrix | |
| 7881 max (const SparseMatrix& a, const SparseMatrix& b) | |
| 7882 { | |
| 7883 SparseMatrix r; | |
| 7884 | |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7885 octave_idx_type a_nr = a.rows (); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7886 octave_idx_type a_nc = a.cols (); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7887 octave_idx_type b_nr = b.rows (); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7888 octave_idx_type b_nc = b.cols (); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7889 |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7890 if (a_nr == b_nr && a_nc == b_nc) |
| 5164 | 7891 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7892 r = SparseMatrix (a_nr, a_nc, (a.nnz () + b.nnz ())); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7893 |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7894 octave_idx_type jx = 0; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7895 r.cidx (0) = 0; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7896 for (octave_idx_type i = 0 ; i < a_nc ; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7897 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7898 octave_idx_type ja = a.cidx (i); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7899 octave_idx_type ja_max = a.cidx (i+1); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7900 bool ja_lt_max= ja < ja_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7901 |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7902 octave_idx_type jb = b.cidx (i); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7903 octave_idx_type jb_max = b.cidx (i+1); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7904 bool jb_lt_max = jb < jb_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7905 |
|
18678
6113e0c6920b
maint: Clean up extra spaces before/after parentheses.
Rik <rik@octave.org>
parents:
18676
diff
changeset
|
7906 while (ja_lt_max || jb_lt_max) |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7907 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7908 octave_quit (); |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7909 if ((! jb_lt_max) || (ja_lt_max && (a.ridx (ja) < b.ridx (jb)))) |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7910 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7911 double tmp = xmax (a.data (ja), 0.); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7912 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7913 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7914 r.ridx (jx) = a.ridx (ja); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7915 r.data (jx) = tmp; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7916 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7917 } |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7918 ja++; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7919 ja_lt_max= ja < ja_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7920 } |
|
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7921 else if ((! ja_lt_max) |
|
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7922 || (jb_lt_max && (b.ridx (jb) < a.ridx (ja)))) |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7923 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7924 double tmp = xmax (0., b.data (jb)); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7925 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7926 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7927 r.ridx (jx) = b.ridx (jb); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7928 r.data (jx) = tmp; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7929 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7930 } |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7931 jb++; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7932 jb_lt_max= jb < jb_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7933 } |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7934 else |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7935 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7936 double tmp = xmax (a.data (ja), b.data (jb)); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7937 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7938 { |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7939 r.data (jx) = tmp; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7940 r.ridx (jx) = a.ridx (ja); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7941 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7942 } |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7943 ja++; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7944 ja_lt_max= ja < ja_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7945 jb++; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7946 jb_lt_max= jb < jb_max; |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7947 } |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7948 } |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7949 r.cidx (i+1) = jx; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7950 } |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7951 |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7952 r.maybe_compress (); |
| 5164 | 7953 } |
| 7954 else | |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7955 { |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7956 if (a_nr == 0 || a_nc == 0) |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7957 r.resize (a_nr, a_nc); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7958 else if (b_nr == 0 || b_nc == 0) |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7959 r.resize (b_nr, b_nc); |
|
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7960 else |
|
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
20955
diff
changeset
|
7961 err_nonconformant ("max", a_nr, a_nc, b_nr, b_nc); |
|
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7962 } |
| 5164 | 7963 |
| 7964 return r; | |
| 7965 } | |
| 7966 | |
| 7967 SPARSE_SMS_CMP_OPS (SparseMatrix, 0.0, , double, 0.0, ) | |
| 7968 SPARSE_SMS_BOOL_OPS (SparseMatrix, double, 0.0) | |
| 7969 | |
| 7970 SPARSE_SSM_CMP_OPS (double, 0.0, , SparseMatrix, 0.0, ) | |
| 7971 SPARSE_SSM_BOOL_OPS (double, SparseMatrix, 0.0) | |
| 7972 | |
| 7973 SPARSE_SMSM_CMP_OPS (SparseMatrix, 0.0, , SparseMatrix, 0.0, ) | |
| 7974 SPARSE_SMSM_BOOL_OPS (SparseMatrix, SparseMatrix, 0.0) |