Mercurial > jwe > octave
annotate liboctave/array/CSparse.cc @ 21112:358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
* inv.cc, sparse-xdiv.cc, xdiv.cc, CMatrix.cc, CSparse.cc, dMatrix.cc,
dSparse.cc, fCMatrix.cc, fMatrix.cc, lo-array-errwarn.cc, lo-array-errwarn.h:
Rename errwarn_singular_matrix to warn_singular_matrix.
author | Rik <rik@octave.org> |
---|---|
date | Tue, 19 Jan 2016 15:43:18 -0800 |
parents | bd1752782e56 |
children | 7cac4e7458f2 |
rev | line source |
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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> | |
33 | |
34 #include "quit.h" | |
35 #include "lo-ieee.h" | |
36 #include "lo-mappers.h" | |
37 #include "f77-fcn.h" | |
38 #include "dRowVector.h" | |
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39 #include "mx-m-cs.h" |
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40 #include "mx-cs-m.h" |
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41 #include "mx-cm-s.h" |
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42 #include "mx-fcm-fs.h" |
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43 #include "mx-s-cm.h" |
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44 #include "mx-fs-fcm.h" |
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45 #include "oct-locbuf.h" |
5164 | 46 |
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47 #include "dDiagMatrix.h" |
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48 #include "CDiagMatrix.h" |
5164 | 49 #include "CSparse.h" |
50 #include "boolSparse.h" | |
51 #include "dSparse.h" | |
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52 #include "functor.h" |
5164 | 53 #include "oct-spparms.h" |
54 #include "SparseCmplxLU.h" | |
5451 | 55 #include "oct-sparse.h" |
5506 | 56 #include "sparse-util.h" |
57 #include "SparseCmplxCHOL.h" | |
5610 | 58 #include "SparseCmplxQR.h" |
5164 | 59 |
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60 #include "Sparse-op-defs.h" |
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61 |
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62 #include "Sparse-diag-op-defs.h" |
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63 |
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64 #include "Sparse-perm-op-defs.h" |
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65 |
5681 | 66 // Define whether to use a basic QR solver or one that uses a Dulmange |
67 // Mendelsohn factorization to seperate the problem into under-determined, | |
68 // well-determined and over-determined parts and solves them seperately | |
69 #ifndef USE_QRSOLVE | |
70 #include "sparse-dmsolve.cc" | |
71 #endif | |
72 | |
5164 | 73 // Fortran functions we call. |
74 extern "C" | |
75 { | |
76 F77_RET_T | |
11518 | 77 F77_FUNC (zgbtrf, ZGBTRF) (const octave_idx_type&, const octave_idx_type&, |
78 const octave_idx_type&, const octave_idx_type&, | |
79 Complex*, const octave_idx_type&, | |
80 octave_idx_type*, octave_idx_type&); | |
5164 | 81 |
82 F77_RET_T | |
11518 | 83 F77_FUNC (zgbtrs, ZGBTRS) (F77_CONST_CHAR_ARG_DECL, |
84 const octave_idx_type&, const octave_idx_type&, | |
85 const octave_idx_type&, const octave_idx_type&, | |
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86 const Complex*, const octave_idx_type&, |
11518 | 87 const octave_idx_type*, Complex*, |
88 const octave_idx_type&, octave_idx_type& | |
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89 F77_CHAR_ARG_LEN_DECL); |
5164 | 90 |
91 F77_RET_T | |
11518 | 92 F77_FUNC (zgbcon, ZGBCON) (F77_CONST_CHAR_ARG_DECL, |
93 const octave_idx_type&, const octave_idx_type&, | |
94 const octave_idx_type&, Complex*, | |
95 const octave_idx_type&, const octave_idx_type*, | |
96 const double&, double&, Complex*, double*, | |
97 octave_idx_type& | |
98 F77_CHAR_ARG_LEN_DECL); | |
99 | |
100 F77_RET_T | |
101 F77_FUNC (zpbtrf, ZPBTRF) (F77_CONST_CHAR_ARG_DECL, | |
102 const octave_idx_type&, const octave_idx_type&, | |
103 Complex*, const octave_idx_type&, octave_idx_type& | |
104 F77_CHAR_ARG_LEN_DECL); | |
105 | |
106 F77_RET_T | |
107 F77_FUNC (zpbtrs, ZPBTRS) (F77_CONST_CHAR_ARG_DECL, | |
108 const octave_idx_type&, const octave_idx_type&, | |
109 const octave_idx_type&, Complex*, | |
110 const octave_idx_type&, Complex*, | |
111 const octave_idx_type&, octave_idx_type& | |
112 F77_CHAR_ARG_LEN_DECL); | |
113 | |
114 F77_RET_T | |
115 F77_FUNC (zpbcon, ZPBCON) (F77_CONST_CHAR_ARG_DECL, | |
116 const octave_idx_type&, const octave_idx_type&, | |
117 Complex*, const octave_idx_type&, const double&, | |
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118 double&, Complex*, double*, octave_idx_type& |
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119 F77_CHAR_ARG_LEN_DECL); |
5164 | 120 |
121 F77_RET_T | |
11518 | 122 F77_FUNC (zgttrf, ZGTTRF) (const octave_idx_type&, Complex*, Complex*, |
123 Complex*, Complex*, octave_idx_type*, | |
124 octave_idx_type&); | |
5164 | 125 |
126 F77_RET_T | |
11518 | 127 F77_FUNC (zgttrs, ZGTTRS) (F77_CONST_CHAR_ARG_DECL, |
128 const octave_idx_type&, const octave_idx_type&, | |
129 const Complex*, const Complex*, const Complex*, | |
130 const Complex*, const octave_idx_type*, | |
131 Complex *, const octave_idx_type&, | |
132 octave_idx_type& | |
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133 F77_CHAR_ARG_LEN_DECL); |
5164 | 134 |
135 F77_RET_T | |
11518 | 136 F77_FUNC (zptsv, ZPTSV) (const octave_idx_type&, const octave_idx_type&, |
137 double*, Complex*, Complex*, | |
138 const octave_idx_type&, octave_idx_type&); | |
5164 | 139 |
140 F77_RET_T | |
11518 | 141 F77_FUNC (zgtsv, ZGTSV) (const octave_idx_type&, const octave_idx_type&, |
142 Complex*, Complex*, Complex*, Complex*, | |
143 const octave_idx_type&, octave_idx_type&); | |
5164 | 144 } |
145 | |
146 SparseComplexMatrix::SparseComplexMatrix (const SparseMatrix& a) | |
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147 : MSparse<Complex> (a) |
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148 { |
5164 | 149 } |
150 | |
151 SparseComplexMatrix::SparseComplexMatrix (const SparseBoolMatrix& a) | |
5681 | 152 : MSparse<Complex> (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 { |
5681 | 162 data (i) = Complex (a.data (i)); |
5164 | 163 ridx (i) = a.ridx (i); |
164 } | |
165 } | |
166 | |
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167 SparseComplexMatrix::SparseComplexMatrix (const ComplexDiagMatrix& a) |
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168 : MSparse<Complex> (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 } |
5164 | 185 bool |
186 SparseComplexMatrix::operator == (const SparseComplexMatrix& a) const | |
187 { | |
5275 | 188 octave_idx_type nr = rows (); |
189 octave_idx_type nc = cols (); | |
5681 | 190 octave_idx_type nz = nnz (); |
5275 | 191 octave_idx_type nr_a = a.rows (); |
192 octave_idx_type nc_a = a.cols (); | |
5681 | 193 octave_idx_type nz_a = a.nnz (); |
5164 | 194 |
195 if (nr != nr_a || nc != nc_a || nz != nz_a) | |
196 return false; | |
197 | |
5275 | 198 for (octave_idx_type i = 0; i < nc + 1; i++) |
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199 if (cidx (i) != a.cidx (i)) |
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200 return false; |
5164 | 201 |
5275 | 202 for (octave_idx_type i = 0; i < nz; i++) |
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203 if (data (i) != a.data (i) || ridx (i) != a.ridx (i)) |
5164 | 204 return false; |
205 | |
206 return true; | |
207 } | |
208 | |
209 bool | |
210 SparseComplexMatrix::operator != (const SparseComplexMatrix& a) const | |
211 { | |
212 return !(*this == a); | |
213 } | |
214 | |
215 bool | |
216 SparseComplexMatrix::is_hermitian (void) const | |
217 { | |
5275 | 218 octave_idx_type nr = rows (); |
219 octave_idx_type nc = cols (); | |
5164 | 220 |
6207 | 221 if (nr == nc && nr > 0) |
5164 | 222 { |
6207 | 223 for (octave_idx_type j = 0; j < nc; j++) |
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224 { |
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225 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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226 { |
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227 octave_idx_type ri = ridx (i); |
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228 |
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229 if (ri != j) |
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230 { |
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231 bool found = false; |
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232 |
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233 for (octave_idx_type k = cidx (ri); k < cidx (ri+1); k++) |
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234 { |
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235 if (ridx (k) == j) |
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236 { |
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237 if (data (i) == conj (data (k))) |
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238 found = true; |
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239 break; |
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240 } |
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241 } |
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242 |
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243 if (! found) |
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244 return false; |
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245 } |
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246 } |
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247 } |
5164 | 248 |
249 return true; | |
250 } | |
251 | |
252 return false; | |
253 } | |
254 | |
255 static const Complex Complex_NaN_result (octave_NaN, octave_NaN); | |
256 | |
257 SparseComplexMatrix | |
258 SparseComplexMatrix::max (int dim) const | |
259 { | |
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260 Array<octave_idx_type> dummy_idx; |
5164 | 261 return max (dummy_idx, dim); |
262 } | |
263 | |
264 SparseComplexMatrix | |
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265 SparseComplexMatrix::max (Array<octave_idx_type>& idx_arg, int dim) const |
5164 | 266 { |
267 SparseComplexMatrix result; | |
268 dim_vector dv = dims (); | |
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269 octave_idx_type nr = dv(0); |
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270 octave_idx_type nc = dv(1); |
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271 |
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272 |
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273 if (dim >= dv.length ()) |
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274 { |
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275 idx_arg.resize (dim_vector (nr, nc), 0); |
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276 return *this; |
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277 } |
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278 |
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279 if (dim < 0) |
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280 dim = dv.first_non_singleton (); |
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281 |
5164 | 282 if (dim == 0) |
283 { | |
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284 idx_arg.resize (dim_vector (nr == 0 ? 0 : 1, nc), 0); |
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285 |
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286 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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287 return SparseComplexMatrix (nr == 0 ? 0 : 1, nc); |
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288 |
5275 | 289 octave_idx_type nel = 0; |
290 for (octave_idx_type j = 0; j < nc; j++) | |
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291 { |
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292 Complex tmp_max; |
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293 double abs_max = octave_NaN; |
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294 octave_idx_type idx_j = 0; |
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295 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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296 { |
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297 if (ridx (i) != idx_j) |
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298 break; |
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299 else |
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300 idx_j++; |
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301 } |
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302 |
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303 if (idx_j != nr) |
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304 { |
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305 tmp_max = 0.; |
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306 abs_max = 0.; |
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307 } |
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308 |
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309 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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310 { |
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311 Complex tmp = data (i); |
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312 |
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313 if (xisnan (tmp)) |
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314 continue; |
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315 |
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316 double abs_tmp = std::abs (tmp); |
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317 |
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318 if (xisnan (abs_max) || abs_tmp > abs_max) |
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319 { |
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320 idx_j = ridx (i); |
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321 tmp_max = tmp; |
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322 abs_max = abs_tmp; |
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323 } |
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324 } |
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325 |
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326 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_j; |
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327 if (abs_max != 0.) |
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328 nel++; |
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329 } |
5164 | 330 |
331 result = SparseComplexMatrix (1, nc, nel); | |
332 | |
5275 | 333 octave_idx_type ii = 0; |
5164 | 334 result.xcidx (0) = 0; |
5275 | 335 for (octave_idx_type j = 0; j < nc; j++) |
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336 { |
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337 Complex tmp = elem (idx_arg(j), j); |
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338 if (tmp != 0.) |
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339 { |
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340 result.xdata (ii) = tmp; |
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341 result.xridx (ii++) = 0; |
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342 } |
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343 result.xcidx (j+1) = ii; |
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344 } |
5164 | 345 } |
346 else | |
347 { | |
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348 idx_arg.resize (dim_vector (nr, nc == 0 ? 0 : 1), 0); |
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349 |
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350 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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351 return SparseComplexMatrix (nr, nc == 0 ? 0 : 1); |
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352 |
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353 OCTAVE_LOCAL_BUFFER (octave_idx_type, found, nr); |
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354 |
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355 for (octave_idx_type i = 0; i < nr; i++) |
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356 found[i] = 0; |
5164 | 357 |
5275 | 358 for (octave_idx_type j = 0; j < nc; j++) |
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359 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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360 if (found[ridx (i)] == -j) |
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361 found[ridx (i)] = -j - 1; |
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362 |
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363 for (octave_idx_type i = 0; i < nr; i++) |
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364 if (found[i] > -nc && found[i] < 0) |
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365 idx_arg.elem (i) = -found[i]; |
5164 | 366 |
5275 | 367 for (octave_idx_type j = 0; j < nc; j++) |
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368 { |
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369 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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370 { |
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371 octave_idx_type ir = ridx (i); |
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372 octave_idx_type ix = idx_arg.elem (ir); |
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373 Complex tmp = data (i); |
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374 |
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375 if (xisnan (tmp)) |
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376 continue; |
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377 else if (ix == -1 || std::abs (tmp) > std::abs (elem (ir, ix))) |
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378 idx_arg.elem (ir) = j; |
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379 } |
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380 } |
5164 | 381 |
5275 | 382 octave_idx_type nel = 0; |
383 for (octave_idx_type j = 0; j < nr; j++) | |
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384 if (idx_arg.elem (j) == -1 || elem (j, idx_arg.elem (j)) != 0.) |
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385 nel++; |
5164 | 386 |
387 result = SparseComplexMatrix (nr, 1, nel); | |
388 | |
5275 | 389 octave_idx_type ii = 0; |
5164 | 390 result.xcidx (0) = 0; |
391 result.xcidx (1) = nel; | |
5275 | 392 for (octave_idx_type j = 0; j < nr; j++) |
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393 { |
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394 if (idx_arg(j) == -1) |
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395 { |
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396 idx_arg(j) = 0; |
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397 result.xdata (ii) = Complex_NaN_result; |
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398 result.xridx (ii++) = j; |
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399 } |
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400 else |
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401 { |
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402 Complex tmp = elem (j, idx_arg(j)); |
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403 if (tmp != 0.) |
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404 { |
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405 result.xdata (ii) = tmp; |
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406 result.xridx (ii++) = j; |
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407 } |
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408 } |
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409 } |
5164 | 410 } |
411 | |
412 return result; | |
413 } | |
414 | |
415 SparseComplexMatrix | |
416 SparseComplexMatrix::min (int dim) const | |
417 { | |
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418 Array<octave_idx_type> dummy_idx; |
5164 | 419 return min (dummy_idx, dim); |
420 } | |
421 | |
422 SparseComplexMatrix | |
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423 SparseComplexMatrix::min (Array<octave_idx_type>& idx_arg, int dim) const |
5164 | 424 { |
425 SparseComplexMatrix result; | |
426 dim_vector dv = dims (); | |
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427 octave_idx_type nr = dv(0); |
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428 octave_idx_type nc = dv(1); |
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429 |
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430 if (dim >= dv.length ()) |
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431 { |
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432 idx_arg.resize (dim_vector (nr, nc), 0); |
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433 return *this; |
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434 } |
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435 |
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436 if (dim < 0) |
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437 dim = dv.first_non_singleton (); |
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438 |
5164 | 439 if (dim == 0) |
440 { | |
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441 idx_arg.resize (dim_vector (nr == 0 ? 0 : 1, nc), 0); |
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442 |
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443 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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444 return SparseComplexMatrix (nr == 0 ? 0 : 1, nc); |
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445 |
5275 | 446 octave_idx_type nel = 0; |
447 for (octave_idx_type j = 0; j < nc; j++) | |
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448 { |
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449 Complex tmp_min; |
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450 double abs_min = octave_NaN; |
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451 octave_idx_type idx_j = 0; |
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452 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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453 { |
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454 if (ridx (i) != idx_j) |
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455 break; |
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456 else |
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457 idx_j++; |
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458 } |
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459 |
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460 if (idx_j != nr) |
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461 { |
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462 tmp_min = 0.; |
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463 abs_min = 0.; |
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464 } |
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465 |
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466 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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467 { |
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468 Complex tmp = data (i); |
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469 |
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470 if (xisnan (tmp)) |
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471 continue; |
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472 |
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473 double abs_tmp = std::abs (tmp); |
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474 |
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475 if (xisnan (abs_min) || abs_tmp < abs_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 abs_min = abs_tmp; |
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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 (abs_min != 0.) |
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485 nel++; |
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486 } |
5164 | 487 |
488 result = SparseComplexMatrix (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 Complex 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 } |
5164 | 502 } |
503 else | |
504 { | |
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505 idx_arg.resize (dim_vector (nr, nc == 0 ? 0 : 1), 0); |
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Correct dimesion of return values form sparse min/max function with empty
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506 |
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507 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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508 return SparseComplexMatrix (nr, nc == 0 ? 0 : 1); |
5164 | 509 |
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Massive speed improvement in sparse min/max functions for calls like
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510 OCTAVE_LOCAL_BUFFER (octave_idx_type, found, nr); |
8a54a481ecb5
Massive speed improvement in sparse min/max functions for calls like
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511 |
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512 for (octave_idx_type i = 0; i < nr; i++) |
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513 found[i] = 0; |
5164 | 514 |
5275 | 515 for (octave_idx_type j = 0; j < nc; j++) |
18083
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516 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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517 if (found[ridx (i)] == -j) |
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518 found[ridx (i)] = -j - 1; |
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diff
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|
519 |
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520 for (octave_idx_type i = 0; i < nr; i++) |
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521 if (found[i] > -nc && found[i] < 0) |
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|
522 idx_arg.elem (i) = -found[i]; |
5164 | 523 |
5275 | 524 for (octave_idx_type j = 0; j < nc; j++) |
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525 { |
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526 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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527 { |
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|
528 octave_idx_type ir = ridx (i); |
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529 octave_idx_type ix = idx_arg.elem (ir); |
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530 Complex tmp = data (i); |
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531 |
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532 if (xisnan (tmp)) |
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533 continue; |
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534 else if (ix == -1 || std::abs (tmp) < std::abs (elem (ir, ix))) |
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535 idx_arg.elem (ir) = j; |
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536 } |
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537 } |
5164 | 538 |
5275 | 539 octave_idx_type nel = 0; |
540 for (octave_idx_type j = 0; j < nr; j++) | |
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541 if (idx_arg.elem (j) == -1 || elem (j, idx_arg.elem (j)) != 0.) |
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|
542 nel++; |
5164 | 543 |
544 result = SparseComplexMatrix (nr, 1, nel); | |
545 | |
5275 | 546 octave_idx_type ii = 0; |
5164 | 547 result.xcidx (0) = 0; |
548 result.xcidx (1) = nel; | |
5275 | 549 for (octave_idx_type j = 0; j < nr; j++) |
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550 { |
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551 if (idx_arg(j) == -1) |
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552 { |
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553 idx_arg(j) = 0; |
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554 result.xdata (ii) = Complex_NaN_result; |
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555 result.xridx (ii++) = j; |
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556 } |
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557 else |
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558 { |
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559 Complex tmp = elem (j, idx_arg(j)); |
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560 if (tmp != 0.) |
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|
561 { |
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562 result.xdata (ii) = tmp; |
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563 result.xridx (ii++) = j; |
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564 } |
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565 } |
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566 } |
5164 | 567 } |
568 | |
569 return result; | |
570 } | |
571 | |
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572 /* |
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573 |
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574 %!assert (max (max (speye (65536) * 1i)), sparse (1i)) |
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575 %!assert (min (min (speye (65536) * 1i)), sparse (0)) |
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576 %!assert (size (max (sparse (8, 0), [], 1)), [1, 0]) |
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577 %!assert (size (max (sparse (8, 0), [], 2)), [8, 0]) |
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578 %!assert (size (max (sparse (0, 8), [], 1)), [0, 8]) |
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579 %!assert (size (max (sparse (0, 8), [], 2)), [0, 1]) |
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580 %!assert (size (min (sparse (8, 0), [], 1)), [1, 0]) |
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581 %!assert (size (min (sparse (8, 0), [], 2)), [8, 0]) |
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582 %!assert (size (min (sparse (0, 8), [], 1)), [0, 8]) |
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583 %!assert (size (min (sparse (0, 8), [], 2)), [0, 1]) |
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584 |
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585 */ |
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586 |
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587 ComplexRowVector |
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588 SparseComplexMatrix::row (octave_idx_type i) const |
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589 { |
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590 octave_idx_type nc = columns (); |
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591 ComplexRowVector retval (nc, 0); |
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592 |
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593 for (octave_idx_type j = 0; j < nc; j++) |
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594 for (octave_idx_type k = cidx (j); k < cidx (j+1); k++) |
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595 { |
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596 if (ridx (k) == i) |
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597 { |
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598 retval(j) = data (k); |
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599 break; |
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600 } |
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601 } |
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602 |
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603 return retval; |
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604 } |
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605 |
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606 ComplexColumnVector |
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607 SparseComplexMatrix::column (octave_idx_type i) const |
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608 { |
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609 octave_idx_type nr = rows (); |
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610 ComplexColumnVector retval (nr, 0); |
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611 |
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612 for (octave_idx_type k = cidx (i); k < cidx (i+1); k++) |
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613 retval(ridx (k)) = data (k); |
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614 |
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615 return retval; |
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616 } |
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617 |
5164 | 618 // destructive insert/delete/reorder operations |
619 | |
620 SparseComplexMatrix& | |
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621 SparseComplexMatrix::insert (const SparseMatrix& a, |
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622 octave_idx_type r, octave_idx_type c) |
5164 | 623 { |
624 SparseComplexMatrix tmp (a); | |
6060 | 625 return insert (tmp /*a*/, r, c); |
5164 | 626 } |
627 | |
628 SparseComplexMatrix& | |
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629 SparseComplexMatrix::insert (const SparseComplexMatrix& a, |
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630 octave_idx_type r, octave_idx_type c) |
5164 | 631 { |
632 MSparse<Complex>::insert (a, r, c); | |
633 return *this; | |
634 } | |
635 | |
6823 | 636 SparseComplexMatrix& |
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637 SparseComplexMatrix::insert (const SparseMatrix& a, |
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638 const Array<octave_idx_type>& indx) |
6823 | 639 { |
640 SparseComplexMatrix tmp (a); | |
641 return insert (tmp /*a*/, indx); | |
642 } | |
643 | |
644 SparseComplexMatrix& | |
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645 SparseComplexMatrix::insert (const SparseComplexMatrix& a, |
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646 const Array<octave_idx_type>& indx) |
6823 | 647 { |
648 MSparse<Complex>::insert (a, indx); | |
649 return *this; | |
650 } | |
651 | |
5164 | 652 SparseComplexMatrix |
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653 SparseComplexMatrix::concat (const SparseComplexMatrix& rb, |
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654 const Array<octave_idx_type>& ra_idx) |
5164 | 655 { |
656 // Don't use numel to avoid all possiblity of an overflow | |
657 if (rb.rows () > 0 && rb.cols () > 0) | |
658 insert (rb, ra_idx(0), ra_idx(1)); | |
659 return *this; | |
660 } | |
661 | |
662 SparseComplexMatrix | |
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663 SparseComplexMatrix::concat (const SparseMatrix& rb, |
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664 const Array<octave_idx_type>& ra_idx) |
5164 | 665 { |
666 SparseComplexMatrix tmp (rb); | |
667 if (rb.rows () > 0 && rb.cols () > 0) | |
668 insert (tmp, ra_idx(0), ra_idx(1)); | |
669 return *this; | |
670 } | |
671 | |
672 ComplexMatrix | |
673 SparseComplexMatrix::matrix_value (void) const | |
674 { | |
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675 return Sparse<Complex>::array_value (); |
5164 | 676 } |
677 | |
678 SparseComplexMatrix | |
679 SparseComplexMatrix::hermitian (void) const | |
680 { | |
5275 | 681 octave_idx_type nr = rows (); |
682 octave_idx_type nc = cols (); | |
5681 | 683 octave_idx_type nz = nnz (); |
5164 | 684 SparseComplexMatrix retval (nc, nr, nz); |
685 | |
5648 | 686 for (octave_idx_type i = 0; i < nz; i++) |
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687 retval.xcidx (ridx (i) + 1)++; |
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688 // retval.xcidx[1:nr] holds the row degrees for rows 0:(nr-1) |
5648 | 689 nz = 0; |
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690 for (octave_idx_type i = 1; i <= nr; i++) |
5164 | 691 { |
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692 const octave_idx_type tmp = retval.xcidx (i); |
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693 retval.xcidx (i) = nz; |
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694 nz += tmp; |
5164 | 695 } |
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696 // retval.xcidx[1:nr] holds row entry *start* offsets for rows 0:(nr-1) |
5648 | 697 |
698 for (octave_idx_type j = 0; j < nc; j++) | |
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699 for (octave_idx_type k = cidx (j); k < cidx (j+1); k++) |
5648 | 700 { |
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701 octave_idx_type q = retval.xcidx (ridx (k) + 1)++; |
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702 retval.xridx (q) = j; |
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703 retval.xdata (q) = conj (data (k)); |
5648 | 704 } |
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705 assert (nnz () == retval.xcidx (nr)); |
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706 // retval.xcidx[1:nr] holds row entry *end* offsets for rows 0:(nr-1) |
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707 // and retval.xcidx[0:(nr-1)] holds their row entry *start* offsets |
5164 | 708 |
709 return retval; | |
710 } | |
711 | |
712 SparseComplexMatrix | |
713 conj (const SparseComplexMatrix& a) | |
714 { | |
5275 | 715 octave_idx_type nr = a.rows (); |
716 octave_idx_type nc = a.cols (); | |
5681 | 717 octave_idx_type nz = a.nnz (); |
5164 | 718 SparseComplexMatrix retval (nc, nr, nz); |
719 | |
5275 | 720 for (octave_idx_type i = 0; i < nc + 1; i++) |
5164 | 721 retval.cidx (i) = a.cidx (i); |
722 | |
5275 | 723 for (octave_idx_type i = 0; i < nz; i++) |
5164 | 724 { |
725 retval.data (i) = conj (a.data (i)); | |
726 retval.ridx (i) = a.ridx (i); | |
727 } | |
728 | |
729 return retval; | |
730 } | |
731 | |
732 SparseComplexMatrix | |
733 SparseComplexMatrix::inverse (void) const | |
734 { | |
5275 | 735 octave_idx_type info; |
5164 | 736 double rcond; |
5785 | 737 MatrixType mattype (*this); |
5506 | 738 return inverse (mattype, info, rcond, 0, 0); |
739 } | |
740 | |
741 SparseComplexMatrix | |
5785 | 742 SparseComplexMatrix::inverse (MatrixType& mattype) const |
5506 | 743 { |
744 octave_idx_type info; | |
745 double rcond; | |
746 return inverse (mattype, info, rcond, 0, 0); | |
5164 | 747 } |
748 | |
749 SparseComplexMatrix | |
5785 | 750 SparseComplexMatrix::inverse (MatrixType& mattype, octave_idx_type& info) const |
5164 | 751 { |
752 double rcond; | |
5506 | 753 return inverse (mattype, info, rcond, 0, 0); |
754 } | |
755 | |
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756 SparseComplexMatrix |
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757 SparseComplexMatrix::dinverse (MatrixType &mattyp, octave_idx_type& info, |
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758 double& rcond, const bool, |
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759 const bool calccond) const |
5506 | 760 { |
761 SparseComplexMatrix retval; | |
762 | |
763 octave_idx_type nr = rows (); | |
764 octave_idx_type nc = cols (); | |
765 info = 0; | |
766 | |
767 if (nr == 0 || nc == 0 || nr != nc) | |
768 (*current_liboctave_error_handler) ("inverse requires square matrix"); | |
769 else | |
770 { | |
771 // Print spparms("spumoni") info if requested | |
772 int typ = mattyp.type (); | |
773 mattyp.info (); | |
774 | |
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775 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
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776 { |
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777 if (typ == MatrixType::Permuted_Diagonal) |
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778 retval = transpose (); |
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779 else |
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780 retval = *this; |
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781 |
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782 // Force make_unique to be called |
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783 Complex *v = retval.data (); |
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784 |
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785 if (calccond) |
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786 { |
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787 double dmax = 0.; |
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788 double dmin = octave_Inf; |
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789 for (octave_idx_type i = 0; i < nr; i++) |
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790 { |
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791 double tmp = std::abs (v[i]); |
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792 if (tmp > dmax) |
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793 dmax = tmp; |
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794 if (tmp < dmin) |
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795 dmin = tmp; |
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796 } |
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797 rcond = dmin / dmax; |
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798 } |
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799 |
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800 for (octave_idx_type i = 0; i < nr; i++) |
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801 v[i] = 1.0 / v[i]; |
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802 } |
5506 | 803 else |
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804 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5506 | 805 } |
806 | |
807 return retval; | |
808 } | |
809 | |
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810 SparseComplexMatrix |
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811 SparseComplexMatrix::tinverse (MatrixType &mattyp, octave_idx_type& info, |
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812 double& rcond, const bool, |
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813 const bool calccond) const |
5506 | 814 { |
815 SparseComplexMatrix retval; | |
816 | |
817 octave_idx_type nr = rows (); | |
818 octave_idx_type nc = cols (); | |
819 info = 0; | |
820 | |
821 if (nr == 0 || nc == 0 || nr != nc) | |
822 (*current_liboctave_error_handler) ("inverse requires square matrix"); | |
823 else | |
824 { | |
825 // Print spparms("spumoni") info if requested | |
826 int typ = mattyp.type (); | |
827 mattyp.info (); | |
828 | |
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829 if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper |
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830 || typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
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831 { |
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832 double anorm = 0.; |
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833 double ainvnorm = 0.; |
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834 |
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835 if (calccond) |
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836 { |
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837 // Calculate the 1-norm of matrix for rcond calculation |
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838 for (octave_idx_type j = 0; j < nr; j++) |
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839 { |
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840 double atmp = 0.; |
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841 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
3d8ace26c5b4
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|
842 atmp += std::abs (data (i)); |
10314
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843 if (atmp > anorm) |
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844 anorm = atmp; |
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|
845 } |
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|
846 } |
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|
847 |
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848 if (typ == MatrixType::Upper || typ == MatrixType::Lower) |
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|
849 { |
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850 octave_idx_type nz = nnz (); |
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851 octave_idx_type cx = 0; |
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852 octave_idx_type nz2 = nz; |
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853 retval = SparseComplexMatrix (nr, nc, nz2); |
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|
854 |
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855 for (octave_idx_type i = 0; i < nr; i++) |
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856 { |
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|
857 octave_quit (); |
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858 // place the 1 in the identity position |
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859 octave_idx_type cx_colstart = cx; |
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860 |
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861 if (cx == nz2) |
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862 { |
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|
863 nz2 *= 2; |
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864 retval.change_capacity (nz2); |
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|
865 } |
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|
866 |
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diff
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867 retval.xcidx (i) = cx; |
3d8ace26c5b4
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868 retval.xridx (cx) = i; |
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869 retval.xdata (cx) = 1.0; |
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|
870 cx++; |
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|
871 |
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872 // iterate accross columns of input matrix |
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873 for (octave_idx_type j = i+1; j < nr; j++) |
10314
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874 { |
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875 Complex v = 0.; |
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876 // iterate to calculate sum |
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877 octave_idx_type colXp = retval.xcidx (i); |
3d8ace26c5b4
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878 octave_idx_type colUp = cidx (j); |
10314
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879 octave_idx_type rpX, rpU; |
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880 |
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14846
diff
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|
881 if (cidx (j) == cidx (j+1)) |
10314
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|
882 { |
11586
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|
883 (*current_liboctave_error_handler) |
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884 ("division by zero"); |
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885 goto inverse_singular; |
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10158
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changeset
|
886 } |
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|
887 |
07ebe522dac2
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|
888 do |
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10158
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|
889 { |
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|
890 octave_quit (); |
15018
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|
891 rpX = retval.xridx (colXp); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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|
892 rpU = ridx (colUp); |
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893 |
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|
894 if (rpX < rpU) |
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895 colXp++; |
11586
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896 else if (rpX > rpU) |
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897 colUp++; |
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898 else |
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899 { |
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900 v -= retval.xdata (colXp) * data (colUp); |
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901 colXp++; |
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902 colUp++; |
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903 } |
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|
904 } |
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|
905 while (rpX < j && rpU < j && colXp < cx && colUp < nz); |
10314
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906 |
07ebe522dac2
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|
907 |
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908 // get A(m,m) |
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909 if (typ == MatrixType::Upper) |
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|
910 colUp = cidx (j+1) - 1; |
10314
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911 else |
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changeset
|
912 colUp = cidx (j); |
3d8ace26c5b4
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|
913 Complex pivot = data (colUp); |
3d8ace26c5b4
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diff
changeset
|
914 if (pivot == 0. || ridx (colUp) != j) |
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915 { |
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916 (*current_liboctave_error_handler) |
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917 ("division by zero"); |
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|
918 goto inverse_singular; |
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|
919 } |
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920 |
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921 if (v != 0.) |
07ebe522dac2
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|
922 { |
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923 if (cx == nz2) |
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924 { |
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925 nz2 *= 2; |
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|
926 retval.change_capacity (nz2); |
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|
927 } |
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928 |
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929 retval.xridx (cx) = j; |
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diff
changeset
|
930 retval.xdata (cx) = v / pivot; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
931 cx++; |
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 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
934 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
935 // get A(m,m) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
936 octave_idx_type colUp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
937 if (typ == MatrixType::Upper) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
938 colUp = cidx (i+1) - 1; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
939 else |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
940 colUp = cidx (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
941 Complex pivot = data (colUp); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
942 if (pivot == 0. || ridx (colUp) != i) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
943 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
944 (*current_liboctave_error_handler) ("division by zero"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
945 goto inverse_singular; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
946 } |
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 if (pivot != 1.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
949 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
|
950 retval.xdata (j) /= pivot; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
951 } |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
952 retval.xcidx (nr) = cx; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
953 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
954 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
955 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
956 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
957 octave_idx_type nz = nnz (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
958 octave_idx_type cx = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
959 octave_idx_type nz2 = nz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
960 retval = SparseComplexMatrix (nr, nc, nz2); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
961 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
962 OCTAVE_LOCAL_BUFFER (Complex, work, nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
963 OCTAVE_LOCAL_BUFFER (octave_idx_type, rperm, nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
964 |
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
|
965 octave_idx_type *perm = mattyp.triangular_perm (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
966 if (typ == MatrixType::Permuted_Upper) |
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 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
969 rperm[perm[i]] = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
970 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
971 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
972 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
973 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
974 rperm[i] = perm[i]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
975 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
976 perm[rperm[i]] = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
977 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
978 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
979 for (octave_idx_type i = 0; i < nr; i++) |
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 octave_quit (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
982 octave_idx_type iidx = rperm[i]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
983 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
984 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
985 work[j] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
986 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
987 // place the 1 in the identity position |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
988 work[iidx] = 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
989 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
990 // iterate accross columns of input matrix |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
991 for (octave_idx_type j = iidx+1; j < nr; j++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
992 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
993 Complex v = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
994 octave_idx_type jidx = perm[j]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
995 // iterate to calculate sum |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
996 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
|
997 k < cidx (jidx+1); k++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
998 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
999 octave_quit (); |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1000 v -= work[ridx (k)] * data (k); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1001 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1002 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1003 // get A(m,m) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1004 Complex pivot; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1005 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
|
1006 pivot = data (cidx (jidx+1) - 1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1007 else |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1008 pivot = data (cidx (jidx)); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1009 if (pivot == 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1010 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1011 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1012 ("division by zero"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1013 goto inverse_singular; |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1016 work[j] = v / pivot; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1017 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1018 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1019 // get A(m,m) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1020 octave_idx_type colUp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1021 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
|
1022 colUp = cidx (perm[iidx]+1) - 1; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1023 else |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1024 colUp = cidx (perm[iidx]); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1025 |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1026 Complex pivot = data (colUp); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1027 if (pivot == 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1028 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1029 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1030 ("division by zero"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1031 goto inverse_singular; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1032 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1033 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1034 octave_idx_type new_cx = cx; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1035 for (octave_idx_type j = iidx; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1036 if (work[j] != 0.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1037 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1038 new_cx++; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1039 if (pivot != 1.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1040 work[j] /= pivot; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1041 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1042 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1043 if (cx < new_cx) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1044 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1045 nz2 = (2*nz2 < new_cx ? new_cx : 2*nz2); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1046 retval.change_capacity (nz2); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1047 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1048 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1049 retval.xcidx (i) = cx; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1050 for (octave_idx_type j = iidx; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1051 if (work[j] != 0.) |
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1052 { |
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1053 retval.xridx (cx) = j; |
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1054 retval.xdata (cx++) = work[j]; |
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1055 } |
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1056 } |
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1057 |
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1058 retval.xcidx (nr) = cx; |
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1059 retval.maybe_compress (); |
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1060 } |
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1061 |
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1062 if (calccond) |
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1063 { |
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1064 // Calculate the 1-norm of inverse matrix for rcond calculation |
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1065 for (octave_idx_type j = 0; j < nr; j++) |
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1066 { |
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1067 double atmp = 0.; |
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1068 for (octave_idx_type i = retval.cidx (j); |
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1069 i < retval.cidx (j+1); i++) |
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1070 atmp += std::abs (retval.data (i)); |
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1071 if (atmp > ainvnorm) |
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1072 ainvnorm = atmp; |
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1073 } |
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1074 |
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1075 rcond = 1. / ainvnorm / anorm; |
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1076 } |
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1077 } |
5506 | 1078 else |
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1079 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5506 | 1080 } |
1081 | |
1082 return retval; | |
5876 | 1083 |
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1084 inverse_singular: |
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1085 return SparseComplexMatrix (); |
5164 | 1086 } |
1087 | |
1088 SparseComplexMatrix | |
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1089 SparseComplexMatrix::inverse (MatrixType& mattype, octave_idx_type& info, |
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1090 double& rcond, int, int calc_cond) const |
5506 | 1091 { |
1092 int typ = mattype.type (false); | |
1093 SparseComplexMatrix ret; | |
1094 | |
5785 | 1095 if (typ == MatrixType::Unknown) |
5506 | 1096 typ = mattype.type (*this); |
1097 | |
5785 | 1098 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
5506 | 1099 ret = dinverse (mattype, info, rcond, true, calc_cond); |
5785 | 1100 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
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1101 ret = tinverse (mattype, info, rcond, true, calc_cond).transpose (); |
5785 | 1102 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
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1103 { |
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1104 MatrixType newtype = mattype.transpose (); |
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1105 ret = transpose ().tinverse (newtype, info, rcond, true, calc_cond); |
6185 | 1106 } |
6840 | 1107 else |
5506 | 1108 { |
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1109 if (mattype.is_hermitian ()) |
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1110 { |
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1111 MatrixType tmp_typ (MatrixType::Upper); |
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1112 SparseComplexCHOL fact (*this, info, false); |
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1113 rcond = fact.rcond (); |
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1114 if (info == 0) |
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1115 { |
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1116 double rcond2; |
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1117 SparseMatrix Q = fact.Q (); |
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1118 SparseComplexMatrix InvL = fact.L ().transpose (). |
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1119 tinverse (tmp_typ, info, rcond2, |
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1120 true, false); |
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1121 ret = Q * InvL.hermitian () * InvL * Q.transpose (); |
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1122 } |
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1123 else |
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1124 { |
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1125 // Matrix is either singular or not positive definite |
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1126 mattype.mark_as_unsymmetric (); |
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1127 } |
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1128 } |
5506 | 1129 |
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1130 if (! mattype.is_hermitian ()) |
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1131 { |
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1132 octave_idx_type n = rows (); |
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1133 ColumnVector Qinit(n); |
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1134 for (octave_idx_type i = 0; i < n; i++) |
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1135 Qinit(i) = i; |
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1136 |
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1137 MatrixType tmp_typ (MatrixType::Upper); |
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1138 SparseComplexLU fact (*this, Qinit, Matrix (), false, false); |
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1139 rcond = fact.rcond (); |
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1140 double rcond2; |
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1141 SparseComplexMatrix InvL = fact.L ().transpose (). |
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1142 tinverse (tmp_typ, info, rcond2, |
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1143 true, false); |
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1144 SparseComplexMatrix InvU = fact.U (). |
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1145 tinverse (tmp_typ, info, rcond2, |
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1146 true, false).transpose (); |
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1147 ret = fact.Pc ().transpose () * InvU * InvL * fact.Pr (); |
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1148 } |
5506 | 1149 } |
1150 | |
1151 return ret; | |
5164 | 1152 } |
1153 | |
1154 ComplexDET | |
1155 SparseComplexMatrix::determinant (void) const | |
1156 { | |
5275 | 1157 octave_idx_type info; |
5164 | 1158 double rcond; |
1159 return determinant (info, rcond, 0); | |
1160 } | |
1161 | |
1162 ComplexDET | |
5275 | 1163 SparseComplexMatrix::determinant (octave_idx_type& info) const |
5164 | 1164 { |
1165 double rcond; | |
1166 return determinant (info, rcond, 0); | |
1167 } | |
1168 | |
1169 ComplexDET | |
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1170 SparseComplexMatrix::determinant (octave_idx_type& err, double& rcond, |
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1171 int) const |
5164 | 1172 { |
1173 ComplexDET retval; | |
5203 | 1174 #ifdef HAVE_UMFPACK |
5164 | 1175 |
5275 | 1176 octave_idx_type nr = rows (); |
1177 octave_idx_type nc = cols (); | |
5164 | 1178 |
1179 if (nr == 0 || nc == 0 || nr != nc) | |
1180 { | |
8335 | 1181 retval = ComplexDET (1.0); |
5164 | 1182 } |
1183 else | |
1184 { | |
1185 err = 0; | |
1186 | |
1187 // Setup the control parameters | |
1188 Matrix Control (UMFPACK_CONTROL, 1); | |
1189 double *control = Control.fortran_vec (); | |
5322 | 1190 UMFPACK_ZNAME (defaults) (control); |
5164 | 1191 |
5893 | 1192 double tmp = octave_sparse_params::get_key ("spumoni"); |
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1193 if (! xisnan (tmp)) |
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1194 Control (UMFPACK_PRL) = tmp; |
5164 | 1195 |
5893 | 1196 tmp = octave_sparse_params::get_key ("piv_tol"); |
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1197 if (! xisnan (tmp)) |
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1198 { |
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1199 Control (UMFPACK_SYM_PIVOT_TOLERANCE) = tmp; |
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1200 Control (UMFPACK_PIVOT_TOLERANCE) = tmp; |
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1201 } |
5164 | 1202 |
1203 // Set whether we are allowed to modify Q or not | |
5893 | 1204 tmp = octave_sparse_params::get_key ("autoamd"); |
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1205 if (! xisnan (tmp)) |
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1206 Control (UMFPACK_FIXQ) = tmp; |
5164 | 1207 |
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1208 // Turn-off UMFPACK scaling for LU |
5164 | 1209 Control (UMFPACK_SCALE) = UMFPACK_SCALE_NONE; |
1210 | |
5322 | 1211 UMFPACK_ZNAME (report_control) (control); |
5164 | 1212 |
5275 | 1213 const octave_idx_type *Ap = cidx (); |
1214 const octave_idx_type *Ai = ridx (); | |
5164 | 1215 const Complex *Ax = data (); |
1216 | |
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1217 UMFPACK_ZNAME (report_matrix) (nr, nc, Ap, Ai, |
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1218 reinterpret_cast<const double *> (Ax), |
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1219 0, 1, control); |
5164 | 1220 |
1221 void *Symbolic; | |
1222 Matrix Info (1, UMFPACK_INFO); | |
1223 double *info = Info.fortran_vec (); | |
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1224 int status = UMFPACK_ZNAME (qsymbolic) |
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1225 (nr, nc, Ap, Ai, reinterpret_cast<const double *> (Ax), 0, |
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1226 0, &Symbolic, control, info); |
5164 | 1227 |
1228 if (status < 0) | |
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1229 { |
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1230 (*current_liboctave_error_handler) |
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1231 ("SparseComplexMatrix::determinant symbolic factorization failed"); |
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1232 |
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1233 UMFPACK_ZNAME (report_status) (control, status); |
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1234 UMFPACK_ZNAME (report_info) (control, info); |
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1235 |
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1236 UMFPACK_ZNAME (free_symbolic) (&Symbolic); |
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1237 } |
5164 | 1238 else |
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1239 { |
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1240 UMFPACK_ZNAME (report_symbolic) (Symbolic, control); |
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1241 |
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1242 void *Numeric; |
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1243 status |
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1244 = UMFPACK_ZNAME (numeric) (Ap, Ai, |
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1245 reinterpret_cast<const double *> (Ax), |
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1246 0, Symbolic, &Numeric, control, info); |
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1247 UMFPACK_ZNAME (free_symbolic) (&Symbolic); |
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1248 |
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1249 rcond = Info (UMFPACK_RCOND); |
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1250 |
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1251 if (status < 0) |
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1252 { |
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1253 (*current_liboctave_error_handler) |
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1254 ("SparseComplexMatrix::determinant numeric factorization failed"); |
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1255 |
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1256 UMFPACK_ZNAME (report_status) (control, status); |
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1257 UMFPACK_ZNAME (report_info) (control, info); |
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1258 |
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1259 UMFPACK_ZNAME (free_numeric) (&Numeric); |
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1260 } |
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1261 else |
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1262 { |
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1263 UMFPACK_ZNAME (report_numeric) (Numeric, control); |
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1264 |
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1265 double c10[2], e10; |
8335 | 1266 |
1267 status = UMFPACK_ZNAME (get_determinant) (c10, 0, &e10, | |
1268 Numeric, info); | |
5164 | 1269 |
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1270 if (status < 0) |
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1271 { |
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1272 (*current_liboctave_error_handler) |
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1273 ("SparseComplexMatrix::determinant error calculating determinant"); |
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1274 |
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|
1275 UMFPACK_ZNAME (report_status) (control, status); |
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1276 UMFPACK_ZNAME (report_info) (control, info); |
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1277 } |
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1278 else |
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1279 retval = ComplexDET (Complex (c10[0], c10[1]), e10, 10); |
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1280 |
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1281 UMFPACK_ZNAME (free_numeric) (&Numeric); |
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1282 } |
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1283 } |
5164 | 1284 } |
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1285 return retval; |
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1286 |
5203 | 1287 #else |
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1288 (*current_liboctave_error_handler) |
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1289 ("support for UMFPACK was unavailable or disabled when liboctave was built"); |
5203 | 1290 #endif |
5164 | 1291 } |
1292 | |
1293 ComplexMatrix | |
5785 | 1294 SparseComplexMatrix::dsolve (MatrixType &mattype, const Matrix& b, |
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1295 octave_idx_type& err, double& rcond, |
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1296 solve_singularity_handler, bool calc_cond) const |
5164 | 1297 { |
1298 ComplexMatrix retval; | |
1299 | |
5275 | 1300 octave_idx_type nr = rows (); |
1301 octave_idx_type nc = cols (); | |
5630 | 1302 octave_idx_type nm = (nc < nr ? nc : nr); |
5164 | 1303 err = 0; |
1304 | |
6924 | 1305 if (nr != b.rows ()) |
5164 | 1306 (*current_liboctave_error_handler) |
1307 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 1308 else if (nr == 0 || nc == 0 || b.cols () == 0) |
1309 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 1310 else |
1311 { | |
1312 // Print spparms("spumoni") info if requested | |
1313 int typ = mattype.type (); | |
1314 mattype.info (); | |
1315 | |
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1316 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
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1317 { |
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1318 retval.resize (nc, b.cols (), Complex (0.,0.)); |
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1319 if (typ == MatrixType::Diagonal) |
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1320 for (octave_idx_type j = 0; j < b.cols (); j++) |
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1321 for (octave_idx_type i = 0; i < nm; i++) |
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1322 retval(i,j) = b(i,j) / data (i); |
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1323 else |
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1324 for (octave_idx_type j = 0; j < b.cols (); j++) |
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1325 for (octave_idx_type k = 0; k < nc; k++) |
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1326 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
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1327 retval(k,j) = b(ridx (i),j) / data (i); |
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1328 |
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1329 if (calc_cond) |
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1330 { |
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1331 double dmax = 0.; |
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1332 double dmin = octave_Inf; |
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1333 for (octave_idx_type i = 0; i < nm; i++) |
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1334 { |
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1335 double tmp = std::abs (data (i)); |
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1336 if (tmp > dmax) |
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1337 dmax = tmp; |
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1338 if (tmp < dmin) |
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1339 dmin = tmp; |
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1340 } |
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1341 rcond = dmin / dmax; |
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1342 } |
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1343 else |
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1344 rcond = 1.0; |
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1345 } |
5164 | 1346 else |
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1347 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 1348 } |
1349 | |
1350 return retval; | |
1351 } | |
1352 | |
1353 SparseComplexMatrix | |
5785 | 1354 SparseComplexMatrix::dsolve (MatrixType &mattype, const SparseMatrix& b, |
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1355 octave_idx_type& err, double& rcond, |
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1356 solve_singularity_handler, |
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1357 bool calc_cond) const |
5164 | 1358 { |
1359 SparseComplexMatrix retval; | |
1360 | |
5275 | 1361 octave_idx_type nr = rows (); |
1362 octave_idx_type nc = cols (); | |
5630 | 1363 octave_idx_type nm = (nc < nr ? nc : nr); |
5164 | 1364 err = 0; |
1365 | |
6924 | 1366 if (nr != b.rows ()) |
5164 | 1367 (*current_liboctave_error_handler) |
1368 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 1369 else if (nr == 0 || nc == 0 || b.cols () == 0) |
1370 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 1371 else |
1372 { | |
1373 // Print spparms("spumoni") info if requested | |
1374 int typ = mattype.type (); | |
1375 mattype.info (); | |
1376 | |
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1377 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
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1378 { |
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1379 octave_idx_type b_nc = b.cols (); |
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1380 octave_idx_type b_nz = b.nnz (); |
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1381 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
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1382 |
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1383 retval.xcidx (0) = 0; |
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1384 octave_idx_type ii = 0; |
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1385 if (typ == MatrixType::Diagonal) |
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1386 for (octave_idx_type j = 0; j < b.cols (); j++) |
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1387 { |
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1388 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
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1389 { |
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1390 if (b.ridx (i) >= nm) |
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1391 break; |
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1392 retval.xridx (ii) = b.ridx (i); |
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1393 retval.xdata (ii++) = b.data (i) / data (b.ridx (i)); |
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1394 } |
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|
1395 retval.xcidx (j+1) = ii; |
10314
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10158
diff
changeset
|
1396 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1397 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
|
1398 for (octave_idx_type j = 0; j < b.cols (); j++) |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1399 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1400 for (octave_idx_type l = 0; l < nc; l++) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1401 for (octave_idx_type i = cidx (l); i < cidx (l+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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|
1402 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1403 bool found = false; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1404 octave_idx_type k; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1405 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
|
1406 if (ridx (i) == b.ridx (k)) |
10314
07ebe522dac2
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diff
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|
1407 { |
07ebe522dac2
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diff
changeset
|
1408 found = true; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1409 break; |
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changeset
|
1410 } |
07ebe522dac2
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diff
changeset
|
1411 if (found) |
07ebe522dac2
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diff
changeset
|
1412 { |
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1413 retval.xridx (ii) = l; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1414 retval.xdata (ii++) = b.data (k) / data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1415 } |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1416 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1417 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
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diff
changeset
|
1418 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
1419 |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1420 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1421 { |
18084
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1422 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
|
1423 double dmin = octave_Inf; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1424 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
|
1425 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1426 double tmp = std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1427 if (tmp > dmax) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1428 dmax = tmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1429 if (tmp < dmin) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1430 dmin = tmp; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1431 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1432 rcond = dmin / dmax; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1433 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1434 else |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1435 rcond = 1.0; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1436 } |
5164 | 1437 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1438 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 1439 } |
1440 | |
1441 return retval; | |
1442 } | |
1443 | |
1444 ComplexMatrix | |
5785 | 1445 SparseComplexMatrix::dsolve (MatrixType &mattype, const ComplexMatrix& b, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1446 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1447 solve_singularity_handler, |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1448 bool calc_cond) const |
5164 | 1449 { |
1450 ComplexMatrix retval; | |
1451 | |
5275 | 1452 octave_idx_type nr = rows (); |
1453 octave_idx_type nc = cols (); | |
5630 | 1454 octave_idx_type nm = (nc < nr ? nc : nr); |
5164 | 1455 err = 0; |
1456 | |
6924 | 1457 if (nr != b.rows ()) |
5164 | 1458 (*current_liboctave_error_handler) |
1459 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 1460 else if (nr == 0 || nc == 0 || b.cols () == 0) |
1461 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 1462 else |
1463 { | |
1464 // Print spparms("spumoni") info if requested | |
1465 int typ = mattype.type (); | |
1466 mattype.info (); | |
1467 | |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
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19697
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changeset
|
1468 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1469 { |
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
|
1470 retval.resize (nc, b.cols (), Complex (0.,0.)); |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1471 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
|
1472 for (octave_idx_type j = 0; j < b.cols (); j++) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1473 for (octave_idx_type i = 0; i < nm; i++) |
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untabify liboctave C++ sources
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diff
changeset
|
1474 retval(i,j) = b(i,j) / data (i); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1475 else |
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
|
1476 for (octave_idx_type j = 0; j < b.cols (); j++) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1477 for (octave_idx_type k = 0; k < nc; k++) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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diff
changeset
|
1478 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:
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diff
changeset
|
1479 retval(k,j) = b(ridx (i),j) / data (i); |
11586
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strip trailing whitespace from source files
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diff
changeset
|
1480 |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1481 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1482 { |
18084
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1483 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
|
1484 double dmin = octave_Inf; |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1485 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1486 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1487 double tmp = std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1488 if (tmp > dmax) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1489 dmax = tmp; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1490 if (tmp < dmin) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1491 dmin = tmp; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1492 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1493 rcond = dmin / dmax; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1494 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1495 else |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1496 rcond = 1.0; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1497 } |
5164 | 1498 else |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1499 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 1500 } |
1501 | |
1502 return retval; | |
1503 } | |
1504 | |
1505 SparseComplexMatrix | |
5785 | 1506 SparseComplexMatrix::dsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1507 octave_idx_type& err, double& rcond, |
10314
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changeset
|
1508 solve_singularity_handler, |
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diff
changeset
|
1509 bool calc_cond) const |
5164 | 1510 { |
1511 SparseComplexMatrix retval; | |
1512 | |
5275 | 1513 octave_idx_type nr = rows (); |
1514 octave_idx_type nc = cols (); | |
5630 | 1515 octave_idx_type nm = (nc < nr ? nc : nr); |
5164 | 1516 err = 0; |
1517 | |
6924 | 1518 if (nr != b.rows ()) |
5164 | 1519 (*current_liboctave_error_handler) |
1520 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 1521 else if (nr == 0 || nc == 0 || b.cols () == 0) |
1522 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 1523 else |
1524 { | |
1525 // Print spparms("spumoni") info if requested | |
1526 int typ = mattype.type (); | |
1527 mattype.info (); | |
1528 | |
19864
17d647821d61
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John W. Eaton <jwe@octave.org>
parents:
19697
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changeset
|
1529 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
10314
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untabify liboctave C++ sources
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changeset
|
1530 { |
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untabify liboctave C++ sources
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changeset
|
1531 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1532 octave_idx_type b_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1533 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1534 |
15018
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Rik <rik@octave.org>
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diff
changeset
|
1535 retval.xcidx (0) = 0; |
10314
07ebe522dac2
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changeset
|
1536 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1537 if (typ == MatrixType::Diagonal) |
14846
460a3c6d8bf1
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Rik <octave@nomad.inbox5.com>
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changeset
|
1538 for (octave_idx_type j = 0; j < b.cols (); j++) |
10314
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changeset
|
1539 { |
15018
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Rik <rik@octave.org>
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changeset
|
1540 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
10314
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untabify liboctave C++ sources
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changeset
|
1541 { |
15018
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changeset
|
1542 if (b.ridx (i) >= nm) |
10314
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changeset
|
1543 break; |
15018
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diff
changeset
|
1544 retval.xridx (ii) = b.ridx (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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14846
diff
changeset
|
1545 retval.xdata (ii++) = b.data (i) / data (b.ridx (i)); |
10314
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untabify liboctave C++ sources
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changeset
|
1546 } |
15018
3d8ace26c5b4
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14846
diff
changeset
|
1547 retval.xcidx (j+1) = ii; |
10314
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changeset
|
1548 } |
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changeset
|
1549 else |
14846
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changeset
|
1550 for (octave_idx_type j = 0; j < b.cols (); j++) |
10314
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changeset
|
1551 { |
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changeset
|
1552 for (octave_idx_type l = 0; l < nc; l++) |
15018
3d8ace26c5b4
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14846
diff
changeset
|
1553 for (octave_idx_type i = cidx (l); i < cidx (l+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1554 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1555 bool found = false; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1556 octave_idx_type k; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1557 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
|
1558 if (ridx (i) == b.ridx (k)) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1559 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1560 found = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1561 break; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1562 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1563 if (found) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1564 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1565 retval.xridx (ii) = l; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1566 retval.xdata (ii++) = b.data (k) / data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1567 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1568 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1569 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1570 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1571 |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1572 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1573 { |
18084
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
1574 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
|
1575 double dmin = octave_Inf; |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1576 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
|
1577 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1578 double tmp = std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1579 if (tmp > dmax) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1580 dmax = tmp; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1581 if (tmp < dmin) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1582 dmin = tmp; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1583 } |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1584 rcond = dmin / dmax; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1585 } |
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untabify liboctave C++ sources
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diff
changeset
|
1586 else |
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untabify liboctave C++ sources
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diff
changeset
|
1587 rcond = 1.0; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1588 } |
5164 | 1589 else |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1590 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 1591 } |
1592 | |
1593 return retval; | |
1594 } | |
1595 | |
1596 ComplexMatrix | |
5785 | 1597 SparseComplexMatrix::utsolve (MatrixType &mattype, const Matrix& b, |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1598 octave_idx_type& err, double& rcond, |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1599 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1600 bool calc_cond) const |
5164 | 1601 { |
1602 ComplexMatrix retval; | |
1603 | |
5275 | 1604 octave_idx_type nr = rows (); |
1605 octave_idx_type nc = cols (); | |
5630 | 1606 octave_idx_type nm = (nc > nr ? nc : nr); |
5164 | 1607 err = 0; |
1608 | |
6924 | 1609 if (nr != b.rows ()) |
5164 | 1610 (*current_liboctave_error_handler) |
1611 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 1612 else if (nr == 0 || nc == 0 || b.cols () == 0) |
1613 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 1614 else |
1615 { | |
1616 // Print spparms("spumoni") info if requested | |
1617 int typ = mattype.type (); | |
1618 mattype.info (); | |
1619 | |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1620 if (typ == MatrixType::Permuted_Upper || typ == MatrixType::Upper) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1621 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1622 double anorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1623 double ainvnorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1624 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1625 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1626 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1627 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1628 { |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1629 // Calculate the 1-norm of matrix for rcond calculation |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1630 for (octave_idx_type j = 0; j < nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1631 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1632 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1633 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
|
1634 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1635 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1636 anorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1637 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1638 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1639 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1640 if (typ == MatrixType::Permuted_Upper) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1641 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1642 retval.resize (nc, b_nc); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1643 octave_idx_type *perm = mattype.triangular_perm (); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1644 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1645 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1646 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
|
1647 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1648 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1649 work[i] = b(i,j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1650 for (octave_idx_type i = nr; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1651 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1652 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1653 for (octave_idx_type k = nc-1; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1654 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1655 octave_idx_type kidx = perm[k]; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1656 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1657 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1658 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1659 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:
19697
diff
changeset
|
1660 || data (cidx (kidx+1)-1) == 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1661 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
1662 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1663 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1664 } |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1665 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1666 Complex tmp = work[k] / data (cidx (kidx+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1667 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1668 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
|
1669 i < cidx (kidx+1)-1; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1670 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1671 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
|
1672 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1673 } |
07ebe522dac2
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10158
diff
changeset
|
1674 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1675 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1676 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1677 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
|
1678 retval(perm[i], j) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1679 } |
07ebe522dac2
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10158
diff
changeset
|
1680 |
07ebe522dac2
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diff
changeset
|
1681 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1682 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1683 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1684 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
|
1685 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1686 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
1687 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1688 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1689 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1690 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1691 for (octave_idx_type k = j; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1692 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
1693 octave_idx_type iidx = perm[k]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1694 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1695 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1696 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1697 Complex tmp = work[k] / data (cidx (iidx+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1698 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1699 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
|
1700 i < cidx (iidx+1)-1; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1701 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1702 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
|
1703 work[idx2] = work[idx2] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1704 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1705 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1706 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1707 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1708 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
|
1709 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1710 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1711 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1712 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1713 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1714 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1715 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1716 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1717 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1718 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1719 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1720 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1721 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1722 retval.resize (nc, b_nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1723 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1724 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
|
1725 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1726 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1727 work[i] = b(i,j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1728 for (octave_idx_type i = nr; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1729 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1730 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1731 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
|
1732 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1733 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1734 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1735 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:
19697
diff
changeset
|
1736 || data (cidx (k+1)-1) == 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1737 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1738 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1739 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1740 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1741 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1742 Complex tmp = work[k] / data (cidx (k+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1743 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1744 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
|
1745 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1746 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
|
1747 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1748 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1749 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1750 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1751 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1752 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1753 retval.xelem (i, j) = work[i]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1754 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1755 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1756 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1757 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1758 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1759 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1760 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1761 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1762 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1763 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1764 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1765 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1766 for (octave_idx_type k = j; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1767 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1768 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1769 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1770 Complex tmp = work[k] / data (cidx (k+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1771 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1772 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
|
1773 i < cidx (k+1)-1; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1774 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1775 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
|
1776 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1777 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1778 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1779 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1780 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1781 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
|
1782 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1783 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1784 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1785 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1786 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1787 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1788 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1789 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1790 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1791 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1792 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1793 triangular_error: |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1794 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1795 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1796 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1797 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1798 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1799 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1800 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1801 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
1802 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1803 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1804 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1805 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1806 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1807 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1808 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1809 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1810 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1811 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1812 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1813 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1814 mattype.mark_as_rectangular (); |
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1815 } |
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1816 else |
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1817 warn_singular_matrix (rcond); |
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1818 } |
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1819 } |
5164 | 1820 else |
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1821 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 1822 } |
1823 | |
1824 return retval; | |
1825 } | |
1826 | |
1827 SparseComplexMatrix | |
5785 | 1828 SparseComplexMatrix::utsolve (MatrixType &mattype, const SparseMatrix& b, |
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1829 octave_idx_type& err, double& rcond, |
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1830 solve_singularity_handler sing_handler, |
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1831 bool calc_cond) const |
5164 | 1832 { |
1833 SparseComplexMatrix retval; | |
1834 | |
5275 | 1835 octave_idx_type nr = rows (); |
1836 octave_idx_type nc = cols (); | |
5630 | 1837 octave_idx_type nm = (nc > nr ? nc : nr); |
5164 | 1838 err = 0; |
1839 | |
6924 | 1840 if (nr != b.rows ()) |
5164 | 1841 (*current_liboctave_error_handler) |
1842 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 1843 else if (nr == 0 || nc == 0 || b.cols () == 0) |
1844 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 1845 else |
1846 { | |
1847 // Print spparms("spumoni") info if requested | |
1848 int typ = mattype.type (); | |
1849 mattype.info (); | |
1850 | |
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1851 if (typ == MatrixType::Permuted_Upper || typ == MatrixType::Upper) |
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1852 { |
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1853 double anorm = 0.; |
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1854 double ainvnorm = 0.; |
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1855 rcond = 1.; |
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1856 |
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1857 if (calc_cond) |
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1858 { |
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1859 // Calculate the 1-norm of matrix for rcond calculation |
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1860 for (octave_idx_type j = 0; j < nc; j++) |
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1861 { |
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1862 double atmp = 0.; |
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1863 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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1864 atmp += std::abs (data (i)); |
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1865 if (atmp > anorm) |
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1866 anorm = atmp; |
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1867 } |
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1868 } |
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1869 |
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1870 octave_idx_type b_nc = b.cols (); |
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1871 octave_idx_type b_nz = b.nnz (); |
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1872 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
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1873 retval.xcidx (0) = 0; |
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1874 octave_idx_type ii = 0; |
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1875 octave_idx_type x_nz = b_nz; |
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1876 |
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1877 if (typ == MatrixType::Permuted_Upper) |
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1878 { |
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1879 octave_idx_type *perm = mattype.triangular_perm (); |
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1880 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
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1881 |
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1882 OCTAVE_LOCAL_BUFFER (octave_idx_type, rperm, nc); |
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1883 for (octave_idx_type i = 0; i < nc; i++) |
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1884 rperm[perm[i]] = i; |
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1885 |
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1886 for (octave_idx_type j = 0; j < b_nc; j++) |
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1887 { |
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1888 for (octave_idx_type i = 0; i < nm; i++) |
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1889 work[i] = 0.; |
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1890 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
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1891 work[b.ridx (i)] = b.data (i); |
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1892 |
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1893 for (octave_idx_type k = nc-1; k >= 0; k--) |
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1894 { |
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1895 octave_idx_type kidx = perm[k]; |
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1896 |
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1897 if (work[k] != 0.) |
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1898 { |
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1899 if (ridx (cidx (kidx+1)-1) != k |
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1900 || data (cidx (kidx+1)-1) == 0.) |
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1901 { |
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1902 err = -2; |
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1903 goto triangular_error; |
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1904 } |
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1905 |
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1906 Complex tmp = work[k] / data (cidx (kidx+1)-1); |
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1907 work[k] = tmp; |
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1908 for (octave_idx_type i = cidx (kidx); |
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1909 i < cidx (kidx+1)-1; i++) |
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1910 { |
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1911 octave_idx_type iidx = ridx (i); |
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1912 work[iidx] = work[iidx] - tmp * data (i); |
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1913 } |
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1914 } |
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1915 } |
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1916 |
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1917 // Count nonzeros in work vector and adjust space in |
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1918 // retval if needed |
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1919 octave_idx_type new_nnz = 0; |
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1920 for (octave_idx_type i = 0; i < nc; i++) |
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1921 if (work[i] != 0.) |
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1922 new_nnz++; |
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1923 |
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1924 if (ii + new_nnz > x_nz) |
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1925 { |
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1926 // Resize the sparse matrix |
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1927 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
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1928 retval.change_capacity (sz); |
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1929 x_nz = sz; |
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1930 } |
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1931 |
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1932 for (octave_idx_type i = 0; i < nc; i++) |
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1933 if (work[rperm[i]] != 0.) |
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1934 { |
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1935 retval.xridx (ii) = i; |
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1936 retval.xdata (ii++) = work[rperm[i]]; |
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1937 } |
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1938 retval.xcidx (j+1) = ii; |
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1939 } |
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1940 |
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1941 retval.maybe_compress (); |
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1942 |
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1943 if (calc_cond) |
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1944 { |
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1945 // Calculation of 1-norm of inv(*this) |
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1946 for (octave_idx_type i = 0; i < nm; i++) |
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1947 work[i] = 0.; |
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1948 |
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1949 for (octave_idx_type j = 0; j < nr; j++) |
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1950 { |
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1951 work[j] = 1.; |
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1952 |
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1953 for (octave_idx_type k = j; k >= 0; k--) |
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1954 { |
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1955 octave_idx_type iidx = perm[k]; |
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1956 |
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1957 if (work[k] != 0.) |
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1958 { |
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1959 Complex tmp = work[k] / data (cidx (iidx+1)-1); |
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1960 work[k] = tmp; |
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1961 for (octave_idx_type i = cidx (iidx); |
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1962 i < cidx (iidx+1)-1; i++) |
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|
1963 { |
15018
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1964 octave_idx_type idx2 = ridx (i); |
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1965 work[idx2] = work[idx2] - tmp * data (i); |
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1966 } |
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1967 } |
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|
1968 } |
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1969 double atmp = 0; |
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1970 for (octave_idx_type i = 0; i < j+1; i++) |
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1971 { |
15018
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1972 atmp += std::abs (work[i]); |
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1973 work[i] = 0.; |
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1974 } |
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1975 if (atmp > ainvnorm) |
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1976 ainvnorm = atmp; |
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1977 } |
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1978 rcond = 1. / ainvnorm / anorm; |
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1979 } |
07ebe522dac2
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|
1980 } |
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|
1981 else |
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|
1982 { |
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|
1983 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
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|
1984 |
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1985 for (octave_idx_type j = 0; j < b_nc; j++) |
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|
1986 { |
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|
1987 for (octave_idx_type i = 0; i < nm; i++) |
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|
1988 work[i] = 0.; |
15018
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maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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|
1989 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/.
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|
1990 work[b.ridx (i)] = b.data (i); |
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changeset
|
1991 |
07ebe522dac2
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1992 for (octave_idx_type k = nc-1; k >= 0; k--) |
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changeset
|
1993 { |
07ebe522dac2
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|
1994 if (work[k] != 0.) |
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changeset
|
1995 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1996 if (ridx (cidx (k+1)-1) != k |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
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19697
diff
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|
1997 || data (cidx (k+1)-1) == 0.) |
10314
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|
1998 { |
07ebe522dac2
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changeset
|
1999 err = -2; |
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changeset
|
2000 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2001 } |
10314
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changeset
|
2002 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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parents:
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diff
changeset
|
2003 Complex tmp = work[k] / data (cidx (k+1)-1); |
10314
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changeset
|
2004 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
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changeset
|
2005 for (octave_idx_type i = cidx (k); i < cidx (k+1)-1; i++) |
10314
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changeset
|
2006 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
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diff
changeset
|
2007 octave_idx_type iidx = ridx (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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parents:
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changeset
|
2008 work[iidx] = work[iidx] - tmp * data (i); |
10314
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diff
changeset
|
2009 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2010 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2011 } |
07ebe522dac2
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parents:
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diff
changeset
|
2012 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
2013 // Count nonzeros in work vector and adjust space in |
10314
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diff
changeset
|
2014 // retval if needed |
07ebe522dac2
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changeset
|
2015 octave_idx_type new_nnz = 0; |
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changeset
|
2016 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
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parents:
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changeset
|
2017 if (work[i] != 0.) |
07ebe522dac2
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diff
changeset
|
2018 new_nnz++; |
07ebe522dac2
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parents:
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diff
changeset
|
2019 |
07ebe522dac2
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diff
changeset
|
2020 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2021 { |
07ebe522dac2
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parents:
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diff
changeset
|
2022 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
2023 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
|
2024 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2025 x_nz = sz; |
07ebe522dac2
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parents:
10158
diff
changeset
|
2026 } |
07ebe522dac2
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parents:
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diff
changeset
|
2027 |
07ebe522dac2
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changeset
|
2028 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
|
2029 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2030 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2031 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2032 retval.xdata (ii++) = work[i]; |
10314
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diff
changeset
|
2033 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2034 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
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parents:
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diff
changeset
|
2035 } |
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2036 |
07ebe522dac2
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parents:
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diff
changeset
|
2037 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2038 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2039 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2040 { |
07ebe522dac2
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parents:
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diff
changeset
|
2041 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2042 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2043 work[i] = 0.; |
07ebe522dac2
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parents:
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diff
changeset
|
2044 |
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2045 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2046 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2047 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2048 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2049 for (octave_idx_type k = j; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2050 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2051 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2052 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2053 Complex tmp = work[k] / data (cidx (k+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2054 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2055 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
|
2056 i < cidx (k+1)-1; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2057 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2058 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
|
2059 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2060 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2061 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2062 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2063 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2064 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
|
2065 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2066 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2067 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2068 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2069 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2070 ainvnorm = atmp; |
07ebe522dac2
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parents:
10158
diff
changeset
|
2071 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2072 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2073 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2074 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
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changeset
|
2075 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2076 triangular_error: |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2077 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
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|
2078 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2079 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2080 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2081 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2082 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2083 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2084 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2085 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2086 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2087 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2088 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2089 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2090 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2091 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2092 err = -2; |
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 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2095 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2096 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2097 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2098 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2099 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2100 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2101 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2102 } |
5164 | 2103 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2104 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 2105 } |
2106 return retval; | |
2107 } | |
2108 | |
2109 ComplexMatrix | |
5785 | 2110 SparseComplexMatrix::utsolve (MatrixType &mattype, const ComplexMatrix& b, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2111 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2112 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2113 bool calc_cond) const |
5164 | 2114 { |
2115 ComplexMatrix retval; | |
2116 | |
5275 | 2117 octave_idx_type nr = rows (); |
2118 octave_idx_type nc = cols (); | |
5630 | 2119 octave_idx_type nm = (nc > nr ? nc : nr); |
5164 | 2120 err = 0; |
2121 | |
6924 | 2122 if (nr != b.rows ()) |
5164 | 2123 (*current_liboctave_error_handler) |
2124 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 2125 else if (nr == 0 || nc == 0 || b.cols () == 0) |
2126 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 2127 else |
2128 { | |
2129 // Print spparms("spumoni") info if requested | |
2130 int typ = mattype.type (); | |
2131 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2132 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
2133 if (typ == MatrixType::Permuted_Upper || typ == MatrixType::Upper) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2134 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2135 double anorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2136 double ainvnorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2137 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2138 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2139 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2140 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2141 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2142 // Calculate the 1-norm of matrix for rcond calculation |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2143 for (octave_idx_type j = 0; j < nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2144 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2145 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2146 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
|
2147 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2148 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2149 anorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2150 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2151 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2152 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2153 if (typ == MatrixType::Permuted_Upper) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2154 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2155 retval.resize (nc, b_nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2156 octave_idx_type *perm = mattype.triangular_perm (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2157 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2158 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2159 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
|
2160 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2161 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2162 work[i] = b(i,j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2163 for (octave_idx_type i = nr; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2164 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2165 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2166 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
|
2167 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2168 octave_idx_type kidx = perm[k]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2169 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2170 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2171 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
2172 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:
19697
diff
changeset
|
2173 || data (cidx (kidx+1)-1) == 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2174 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2175 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2176 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2177 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2178 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2179 Complex tmp = work[k] / data (cidx (kidx+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2180 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2181 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
|
2182 i < cidx (kidx+1)-1; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2183 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2184 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
|
2185 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2186 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2187 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2188 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2189 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2190 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
|
2191 retval(perm[i], j) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2192 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2193 |
07ebe522dac2
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10158
diff
changeset
|
2194 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2195 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2196 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2197 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2198 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2199 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2200 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2201 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2202 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2203 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2204 for (octave_idx_type k = j; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2205 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2206 octave_idx_type iidx = perm[k]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2207 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2208 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2209 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2210 Complex tmp = work[k] / data (cidx (iidx+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2211 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2212 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
|
2213 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
|
2214 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2215 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
|
2216 work[idx2] = work[idx2] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2217 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2218 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2219 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2220 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2221 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
|
2222 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2223 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2224 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2225 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2226 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2227 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2228 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2229 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2230 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2231 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2232 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2233 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2234 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2235 retval.resize (nc, b_nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2236 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2237 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
|
2238 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2239 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2240 work[i] = b(i,j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2241 for (octave_idx_type i = nr; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2242 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2243 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2244 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
|
2245 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2246 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2247 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
2248 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:
19697
diff
changeset
|
2249 || data (cidx (k+1)-1) == 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2250 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2251 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2252 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2253 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2254 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2255 Complex tmp = work[k] / data (cidx (k+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2256 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2257 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
|
2258 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2259 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
|
2260 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2261 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2262 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2263 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2264 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2265 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2266 retval.xelem (i, j) = work[i]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2267 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2268 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2269 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2270 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2271 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2272 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2273 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2274 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2275 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2276 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2277 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2278 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2279 for (octave_idx_type k = j; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2280 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2281 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2282 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2283 Complex tmp = work[k] / data (cidx (k+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2284 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2285 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
|
2286 i < cidx (k+1)-1; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2287 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2288 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
|
2289 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2290 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2291 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2292 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2293 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2294 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
|
2295 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2296 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2297 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2298 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2299 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2300 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2301 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2302 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2303 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2304 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2305 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2306 triangular_error: |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2307 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2308 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2309 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2310 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2311 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2312 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2313 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2314 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2315 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2316 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2317 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2318 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2319 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2320 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2321 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2322 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2323 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2324 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2325 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2326 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2327 mattype.mark_as_rectangular (); |
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>
parents:
10158
diff
changeset
|
2329 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2330 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2331 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2332 } |
5164 | 2333 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2334 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 2335 } |
2336 | |
2337 return retval; | |
2338 } | |
2339 | |
2340 SparseComplexMatrix | |
5785 | 2341 SparseComplexMatrix::utsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2342 octave_idx_type& err, double& rcond, |
10314
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diff
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|
2343 solve_singularity_handler sing_handler, |
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untabify liboctave C++ sources
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diff
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|
2344 bool calc_cond) const |
5164 | 2345 { |
2346 SparseComplexMatrix retval; | |
2347 | |
5275 | 2348 octave_idx_type nr = rows (); |
2349 octave_idx_type nc = cols (); | |
5630 | 2350 octave_idx_type nm = (nc > nr ? nc : nr); |
5164 | 2351 err = 0; |
2352 | |
6924 | 2353 if (nr != b.rows ()) |
5164 | 2354 (*current_liboctave_error_handler) |
2355 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 2356 else if (nr == 0 || nc == 0 || b.cols () == 0) |
2357 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 2358 else |
2359 { | |
2360 // Print spparms("spumoni") info if requested | |
2361 int typ = mattype.type (); | |
2362 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
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|
2363 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
2364 if (typ == MatrixType::Permuted_Upper || typ == MatrixType::Upper) |
10314
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diff
changeset
|
2365 { |
07ebe522dac2
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diff
changeset
|
2366 double anorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2367 double ainvnorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2368 rcond = 1.; |
07ebe522dac2
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diff
changeset
|
2369 |
07ebe522dac2
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diff
changeset
|
2370 if (calc_cond) |
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untabify liboctave C++ sources
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diff
changeset
|
2371 { |
07ebe522dac2
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changeset
|
2372 // Calculate the 1-norm of matrix for rcond calculation |
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untabify liboctave C++ sources
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diff
changeset
|
2373 for (octave_idx_type j = 0; j < nc; j++) |
07ebe522dac2
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diff
changeset
|
2374 { |
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untabify liboctave C++ sources
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diff
changeset
|
2375 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2376 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:
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diff
changeset
|
2377 atmp += std::abs (data (i)); |
10314
07ebe522dac2
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changeset
|
2378 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2379 anorm = atmp; |
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diff
changeset
|
2380 } |
07ebe522dac2
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diff
changeset
|
2381 } |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2382 |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2383 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
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|
2384 octave_idx_type b_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2385 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
15018
3d8ace26c5b4
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Rik <rik@octave.org>
parents:
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diff
changeset
|
2386 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2387 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2388 octave_idx_type x_nz = b_nz; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2389 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2390 if (typ == MatrixType::Permuted_Upper) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2391 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2392 octave_idx_type *perm = mattype.triangular_perm (); |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2393 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2394 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2395 OCTAVE_LOCAL_BUFFER (octave_idx_type, rperm, nc); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2396 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2397 rperm[perm[i]] = i; |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2398 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2399 for (octave_idx_type j = 0; j < b_nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2400 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2401 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2402 work[i] = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2403 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
|
2404 work[b.ridx (i)] = b.data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2405 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2406 for (octave_idx_type k = nc-1; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2407 { |
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untabify liboctave C++ sources
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diff
changeset
|
2408 octave_idx_type kidx = perm[k]; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2409 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2410 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2411 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
2412 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:
19697
diff
changeset
|
2413 || data (cidx (kidx+1)-1) == 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2414 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2415 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2416 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2417 } |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2418 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2419 Complex tmp = work[k] / data (cidx (kidx+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2420 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2421 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
|
2422 i < cidx (kidx+1)-1; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2423 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2424 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
|
2425 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2426 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2427 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2428 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2429 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
2430 // 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
|
2431 // retval if needed |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2432 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2433 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2434 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2435 new_nnz++; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2436 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2437 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2438 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2439 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2440 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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10158
diff
changeset
|
2441 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2442 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2443 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2444 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2445 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
|
2446 if (work[rperm[i]] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2447 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2448 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2449 retval.xdata (ii++) = work[rperm[i]]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2450 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2451 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2452 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2453 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2454 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2455 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2456 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2457 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2458 // 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
|
2459 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2460 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2461 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2462 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2463 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2464 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2465 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2466 for (octave_idx_type k = j; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2467 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2468 octave_idx_type iidx = perm[k]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2469 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2470 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2471 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2472 Complex tmp = work[k] / data (cidx (iidx+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2473 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2474 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
|
2475 i < cidx (iidx+1)-1; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2476 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2477 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
|
2478 work[idx2] = work[idx2] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2479 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2480 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2481 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2482 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2483 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
|
2484 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2485 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2486 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2487 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2488 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2489 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2490 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2491 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2492 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2493 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2494 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2495 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2496 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2497 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2498 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
|
2499 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2500 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2501 work[i] = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2502 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
|
2503 work[b.ridx (i)] = b.data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2504 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2505 for (octave_idx_type k = nr-1; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2506 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2507 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2508 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
2509 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:
19697
diff
changeset
|
2510 || data (cidx (k+1)-1) == 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2511 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2512 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2513 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2514 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2515 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2516 Complex tmp = work[k] / data (cidx (k+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2517 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2518 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
|
2519 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2520 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
|
2521 work[iidx] = work[iidx] - tmp * data (i); |
10314
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 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2524 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2525 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
2526 // 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
|
2527 // retval if needed |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2528 octave_idx_type new_nnz = 0; |
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 (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2531 new_nnz++; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2532 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2533 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2534 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2535 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2536 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
|
2537 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2538 x_nz = sz; |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2541 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2542 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2543 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2544 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2545 retval.xdata (ii++) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2546 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2547 retval.xcidx (j+1) = ii; |
10314
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2550 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2551 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2552 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2553 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2554 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2555 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2556 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2557 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2558 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2559 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2560 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2561 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2562 for (octave_idx_type k = j; k >= 0; k--) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2563 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2564 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2565 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2566 Complex tmp = work[k] / data (cidx (k+1)-1); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2567 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2568 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
|
2569 i < cidx (k+1)-1; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2570 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2571 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
|
2572 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2573 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2574 } |
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 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2577 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
|
2578 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2579 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2580 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2581 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2582 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2583 ainvnorm = atmp; |
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 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2586 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2587 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2588 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2589 triangular_error: |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2590 if (err != 0) |
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 (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2593 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2594 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2595 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2596 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2597 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2598 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2599 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2600 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2601 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2602 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2603 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2604 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2605 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2606 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2607 if (sing_handler) |
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:
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diff
changeset
|
2609 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2610 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2611 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2612 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2613 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2614 } |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2615 } |
5164 | 2616 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2617 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 2618 } |
2619 | |
2620 return retval; | |
2621 } | |
2622 | |
2623 ComplexMatrix | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2624 SparseComplexMatrix::ltsolve (MatrixType &mattype, const Matrix& b, |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2625 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2626 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2627 bool calc_cond) const |
5164 | 2628 { |
2629 ComplexMatrix retval; | |
2630 | |
5275 | 2631 octave_idx_type nr = rows (); |
2632 octave_idx_type nc = cols (); | |
5630 | 2633 octave_idx_type nm = (nc > nr ? nc : nr); |
5164 | 2634 err = 0; |
2635 | |
6924 | 2636 if (nr != b.rows ()) |
5164 | 2637 (*current_liboctave_error_handler) |
2638 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 2639 else if (nr == 0 || nc == 0 || b.cols () == 0) |
2640 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 2641 else |
2642 { | |
2643 // Print spparms("spumoni") info if requested | |
2644 int typ = mattype.type (); | |
2645 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2646 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
2647 if (typ == MatrixType::Permuted_Lower || typ == MatrixType::Lower) |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2648 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2649 double anorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2650 double ainvnorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2651 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2652 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2653 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2654 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2655 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2656 // Calculate the 1-norm of matrix for rcond calculation |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2657 for (octave_idx_type j = 0; j < nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2658 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2659 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2660 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
|
2661 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2662 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2663 anorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2664 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2665 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2666 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2667 if (typ == MatrixType::Permuted_Lower) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2668 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2669 retval.resize (nc, b_nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2670 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2671 octave_idx_type *perm = mattype.triangular_perm (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2672 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2673 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
|
2674 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2675 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2676 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2677 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2678 work[perm[i]] = b(i,j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2679 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2680 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2681 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2682 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2683 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2684 octave_idx_type minr = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2685 octave_idx_type mini = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2686 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2687 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
|
2688 if (perm[ridx (i)] < minr) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2689 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2690 minr = perm[ridx (i)]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2691 mini = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2692 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2693 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2694 if (minr != k || data (mini) == 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2695 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2696 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2697 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2698 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2699 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2700 Complex tmp = work[k] / data (mini); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2701 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2702 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
|
2703 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2704 if (i == mini) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2705 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2706 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2707 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
|
2708 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2709 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2710 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2711 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2712 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2713 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
|
2714 retval(i, j) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2715 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2716 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2717 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2718 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2719 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2720 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
|
2721 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2722 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2723 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2724 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2725 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2726 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2727 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2728 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2729 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2730 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2731 octave_idx_type minr = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2732 octave_idx_type mini = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2733 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2734 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
|
2735 i < cidx (k+1); i++) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2736 if (perm[ridx (i)] < minr) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2737 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2738 minr = perm[ridx (i)]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2739 mini = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2740 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2741 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2742 Complex tmp = work[k] / data (mini); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2743 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2744 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
|
2745 i < cidx (k+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2746 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2747 if (i == mini) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2748 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2749 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2750 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
|
2751 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2752 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2753 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2754 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2755 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2756 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2757 for (octave_idx_type i = j; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2758 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2759 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2760 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2761 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2762 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2763 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2764 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2765 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2766 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2767 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2768 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2769 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2770 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2771 retval.resize (nc, b_nc, 0.); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2772 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2773 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
|
2774 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2775 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2776 work[i] = b(i,j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2777 for (octave_idx_type i = nr; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2778 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2779 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2780 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2781 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2782 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
2783 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
|
2784 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2785 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2786 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2787 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2788 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2789 Complex tmp = work[k] / data (cidx (k)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2790 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2791 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
|
2792 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2793 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
|
2794 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2795 } |
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 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2799 retval.xelem (i, j) = work[i]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2800 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2801 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2802 if (calc_cond) |
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 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2805 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2806 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2807 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2808 for (octave_idx_type j = 0; j < nr; j++) |
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 work[j] = 1.; |
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 for (octave_idx_type k = j; k < nc; k++) |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2815 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2816 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2817 Complex tmp = work[k] / data (cidx (k)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2818 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2819 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
|
2820 i < cidx (k+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2821 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2822 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
|
2823 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2824 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2825 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2826 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2827 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2828 for (octave_idx_type i = j; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2829 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2830 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2831 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2832 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2833 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2834 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2835 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2836 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2837 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2838 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2839 triangular_error: |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2840 if (err != 0) |
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 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2843 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2844 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2845 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2846 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2847 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2848 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2849 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2850 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2851 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2852 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2853 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
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 err = -2; |
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 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2858 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2859 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2860 mattype.mark_as_rectangular (); |
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 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
2863 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2864 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2865 } |
5164 | 2866 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2867 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 2868 } |
2869 | |
2870 return retval; | |
2871 } | |
2872 | |
2873 SparseComplexMatrix | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2874 SparseComplexMatrix::ltsolve (MatrixType &mattype, const SparseMatrix& b, |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2875 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2876 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2877 bool calc_cond) const |
5164 | 2878 { |
2879 SparseComplexMatrix retval; | |
2880 | |
5275 | 2881 octave_idx_type nr = rows (); |
2882 octave_idx_type nc = cols (); | |
5630 | 2883 octave_idx_type nm = (nc > nr ? nc : nr); |
2884 | |
5164 | 2885 err = 0; |
2886 | |
6924 | 2887 if (nr != b.rows ()) |
5164 | 2888 (*current_liboctave_error_handler) |
2889 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 2890 else if (nr == 0 || nc == 0 || b.cols () == 0) |
2891 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 2892 else |
2893 { | |
2894 // Print spparms("spumoni") info if requested | |
2895 int typ = mattype.type (); | |
2896 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2897 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
2898 if (typ == MatrixType::Permuted_Lower || typ == MatrixType::Lower) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2899 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2900 double anorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2901 double ainvnorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2902 rcond = 1.; |
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 (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2905 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2906 // Calculate the 1-norm of matrix for rcond calculation |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2907 for (octave_idx_type j = 0; j < nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2908 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2909 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2910 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
|
2911 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2912 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2913 anorm = atmp; |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2917 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2918 octave_idx_type b_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2919 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
|
2920 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2921 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2922 octave_idx_type x_nz = b_nz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2923 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2924 if (typ == MatrixType::Permuted_Lower) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2925 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2926 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2927 octave_idx_type *perm = mattype.triangular_perm (); |
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 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
|
2930 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2931 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2932 work[i] = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2933 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
|
2934 work[perm[b.ridx (i)]] = b.data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2935 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2936 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2937 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2938 if (work[k] != 0.) |
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 octave_idx_type minr = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2941 octave_idx_type mini = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2942 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2943 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
|
2944 if (perm[ridx (i)] < minr) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2945 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2946 minr = perm[ridx (i)]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2947 mini = i; |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2950 if (minr != k || data (mini) == 0.) |
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 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2953 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2954 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2955 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2956 Complex tmp = work[k] / data (mini); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2957 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2958 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
|
2959 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2960 if (i == mini) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2961 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2962 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2963 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
|
2964 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2965 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2966 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2967 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2968 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
2969 // 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
|
2970 // retval if needed |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2971 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2972 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2973 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2974 new_nnz++; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2975 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2976 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2977 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2978 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2979 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
|
2980 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2981 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2982 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2983 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2984 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2985 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2986 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2987 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2988 retval.xdata (ii++) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2989 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2990 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2991 } |
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 retval.maybe_compress (); |
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 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2996 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2997 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2998 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2999 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3000 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3001 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3002 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3003 work[j] = 1.; |
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 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3006 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3007 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3008 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3009 octave_idx_type minr = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3010 octave_idx_type mini = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3011 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3012 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
|
3013 i < cidx (k+1); i++) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3014 if (perm[ridx (i)] < minr) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3015 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3016 minr = perm[ridx (i)]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3017 mini = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3018 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3019 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3020 Complex tmp = work[k] / data (mini); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3021 work[k] = tmp; |
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 = cidx (k); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3023 i < cidx (k+1); 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 if (i == mini) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3026 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3027 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3028 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
|
3029 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3030 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3031 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3032 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3033 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3034 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3035 for (octave_idx_type i = j; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3036 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3037 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3038 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3039 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3040 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3041 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3042 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3043 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3044 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3045 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3046 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3047 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3048 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3049 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3050 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
|
3051 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3052 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3053 work[i] = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3054 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
|
3055 work[b.ridx (i)] = b.data (i); |
10314
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 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3058 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3059 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3060 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
3061 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
|
3062 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3063 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3064 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3065 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3066 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3067 Complex tmp = work[k] / data (cidx (k)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3068 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3069 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
|
3070 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3071 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
|
3072 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3073 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3074 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3075 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3076 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
3077 // 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
|
3078 // retval if needed |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3079 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3080 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3081 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3082 new_nnz++; |
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 (ii + new_nnz > x_nz) |
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 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3087 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
|
3088 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3089 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3090 } |
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 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3093 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3094 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3095 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3096 retval.xdata (ii++) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3097 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3098 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3099 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3100 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3101 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3102 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3103 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3104 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3105 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3106 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3107 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3108 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3109 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3110 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3111 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3112 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3113 for (octave_idx_type k = j; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3114 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3115 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3116 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3117 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3118 Complex tmp = work[k] / data (cidx (k)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3119 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3120 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
|
3121 i < cidx (k+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3122 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3123 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
|
3124 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3125 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3126 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3127 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3128 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3129 for (octave_idx_type i = j; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3130 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3131 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3132 work[i] = 0.; |
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 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3135 ainvnorm = atmp; |
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 rcond = 1. / ainvnorm / anorm; |
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 } |
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 triangular_error: |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3142 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3143 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3144 if (sing_handler) |
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 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3147 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3148 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3149 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3150 warn_singular_matrix (rcond); |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3153 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3154 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3155 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3156 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3157 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3158 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3159 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3160 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3161 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3162 mattype.mark_as_rectangular (); |
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 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3165 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3166 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3167 } |
5164 | 3168 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3169 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 3170 } |
3171 | |
3172 return retval; | |
3173 } | |
3174 | |
3175 ComplexMatrix | |
5785 | 3176 SparseComplexMatrix::ltsolve (MatrixType &mattype, const ComplexMatrix& b, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3177 octave_idx_type& err, double& rcond, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3178 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3179 bool calc_cond) const |
5164 | 3180 { |
3181 ComplexMatrix retval; | |
3182 | |
5275 | 3183 octave_idx_type nr = rows (); |
3184 octave_idx_type nc = cols (); | |
5630 | 3185 octave_idx_type nm = (nc > nr ? nc : nr); |
5164 | 3186 err = 0; |
3187 | |
6924 | 3188 if (nr != b.rows ()) |
5164 | 3189 (*current_liboctave_error_handler) |
3190 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 3191 else if (nr == 0 || nc == 0 || b.cols () == 0) |
3192 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 3193 else |
3194 { | |
3195 // Print spparms("spumoni") info if requested | |
3196 int typ = mattype.type (); | |
3197 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3198 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
3199 if (typ == MatrixType::Permuted_Lower || typ == MatrixType::Lower) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3200 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3201 double anorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3202 double ainvnorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3203 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3204 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3205 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3206 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3207 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3208 // Calculate the 1-norm of matrix for rcond calculation |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3209 for (octave_idx_type j = 0; j < nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3210 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3211 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3212 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
|
3213 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3214 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3215 anorm = atmp; |
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 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3218 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3219 if (typ == MatrixType::Permuted_Lower) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3220 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3221 retval.resize (nc, b_nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3222 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3223 octave_idx_type *perm = mattype.triangular_perm (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3224 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3225 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
|
3226 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3227 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3228 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3229 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3230 work[perm[i]] = b(i,j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3231 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3232 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3233 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3234 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3235 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3236 octave_idx_type minr = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3237 octave_idx_type mini = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3238 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3239 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
|
3240 if (perm[ridx (i)] < minr) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3241 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3242 minr = perm[ridx (i)]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3243 mini = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3244 } |
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 if (minr != k || data (mini) == 0.) |
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 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3249 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3250 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3251 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3252 Complex tmp = work[k] / data (mini); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3253 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3254 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
|
3255 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3256 if (i == mini) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3257 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3258 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3259 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
|
3260 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3261 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3262 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3263 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3264 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3265 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
|
3266 retval(i, j) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3267 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3268 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3269 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3270 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3271 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3272 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3273 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3274 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3275 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3276 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3277 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3278 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3279 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3280 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3281 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3282 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3283 octave_idx_type minr = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3284 octave_idx_type mini = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3285 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3286 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
|
3287 i < cidx (k+1); i++) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3288 if (perm[ridx (i)] < minr) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3289 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3290 minr = perm[ridx (i)]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3291 mini = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3292 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3293 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3294 Complex tmp = work[k] / data (mini); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3295 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3296 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
|
3297 i < cidx (k+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3298 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3299 if (i == mini) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3300 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3301 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3302 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
|
3303 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3304 } |
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 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3309 for (octave_idx_type i = j; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3310 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3311 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3312 work[i] = 0.; |
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 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3315 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3316 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3317 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3318 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3319 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3320 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3321 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3322 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3323 retval.resize (nc, b_nc, 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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3326 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
|
3327 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3328 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3329 work[i] = b(i,j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3330 for (octave_idx_type i = nr; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3331 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3332 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3333 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3334 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3335 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3336 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
3337 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
|
3338 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3339 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3340 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3341 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3342 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3343 Complex tmp = work[k] / data (cidx (k)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3344 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3345 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
|
3346 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3347 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
|
3348 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3349 } |
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 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3354 retval.xelem (i, j) = work[i]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3355 } |
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 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3358 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3359 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3360 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3361 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3362 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3363 for (octave_idx_type j = 0; j < nr; j++) |
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 work[j] = 1.; |
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 for (octave_idx_type k = j; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3368 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3369 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3370 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3371 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3372 Complex tmp = work[k] / data (cidx (k)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3373 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3374 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
|
3375 i < cidx (k+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3376 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3377 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
|
3378 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3379 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3380 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3381 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3382 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3383 for (octave_idx_type i = j; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3384 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3385 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3386 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3387 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3388 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3389 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3390 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3391 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3392 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3393 } |
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 triangular_error: |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3396 if (err != 0) |
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 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3399 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3400 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3401 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3402 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3403 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3404 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3405 } |
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 volatile double rcond_plus_one = rcond + 1.0; |
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 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3410 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3411 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3412 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3413 if (sing_handler) |
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 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3416 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3417 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3418 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3419 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3420 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3421 } |
5164 | 3422 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3423 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 3424 } |
3425 | |
3426 return retval; | |
3427 } | |
3428 | |
3429 SparseComplexMatrix | |
5785 | 3430 SparseComplexMatrix::ltsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3431 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3432 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3433 bool calc_cond) const |
5164 | 3434 { |
3435 SparseComplexMatrix retval; | |
3436 | |
5275 | 3437 octave_idx_type nr = rows (); |
3438 octave_idx_type nc = cols (); | |
5630 | 3439 octave_idx_type nm = (nc > nr ? nc : nr); |
5164 | 3440 err = 0; |
3441 | |
6924 | 3442 if (nr != b.rows ()) |
5164 | 3443 (*current_liboctave_error_handler) |
3444 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 3445 else if (nr == 0 || nc == 0 || b.cols () == 0) |
3446 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 3447 else |
3448 { | |
3449 // Print spparms("spumoni") info if requested | |
3450 int typ = mattype.type (); | |
3451 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3452 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
3453 if (typ == MatrixType::Permuted_Lower || typ == MatrixType::Lower) |
10314
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 double anorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3456 double ainvnorm = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3457 rcond = 1.; |
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 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3460 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3461 // Calculate the 1-norm of matrix for rcond calculation |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3462 for (octave_idx_type j = 0; j < nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3463 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3464 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3465 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
|
3466 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3467 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3468 anorm = atmp; |
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 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3473 octave_idx_type b_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3474 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
|
3475 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3476 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3477 octave_idx_type x_nz = b_nz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3478 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3479 if (typ == MatrixType::Permuted_Lower) |
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 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3482 octave_idx_type *perm = mattype.triangular_perm (); |
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 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
|
3485 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3486 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3487 work[i] = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3488 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
|
3489 work[perm[b.ridx (i)]] = b.data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3490 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3491 for (octave_idx_type k = 0; k < nc; k++) |
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 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3494 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3495 octave_idx_type minr = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3496 octave_idx_type mini = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3497 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3498 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
|
3499 if (perm[ridx (i)] < minr) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3500 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3501 minr = perm[ridx (i)]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3502 mini = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3503 } |
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 if (minr != k || data (mini) == 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3506 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3507 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3508 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3509 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3510 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3511 Complex tmp = work[k] / data (mini); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3512 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3513 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
|
3514 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3515 if (i == mini) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3516 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3517 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3518 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
|
3519 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3520 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3521 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3522 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3523 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
3524 // 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
|
3525 // retval if needed |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3526 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3527 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3528 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3529 new_nnz++; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3530 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3531 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3532 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3533 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3534 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
|
3535 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3536 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3537 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3538 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3539 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3540 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3541 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3542 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3543 retval.xdata (ii++) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3544 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3545 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3546 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3547 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3548 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3549 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3550 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3551 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3552 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3553 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3554 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3555 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3556 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3557 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3558 work[j] = 1.; |
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 for (octave_idx_type k = 0; k < nc; k++) |
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 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3563 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3564 octave_idx_type minr = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3565 octave_idx_type mini = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3566 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3567 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
|
3568 i < cidx (k+1); i++) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3569 if (perm[ridx (i)] < minr) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3570 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3571 minr = perm[ridx (i)]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3572 mini = i; |
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 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3575 Complex tmp = work[k] / data (mini); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3576 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3577 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
|
3578 i < cidx (k+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3579 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3580 if (i == mini) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3581 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3582 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3583 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
|
3584 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3585 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3586 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3587 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3588 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3589 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3590 for (octave_idx_type i = j; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3591 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3592 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3593 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3594 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3595 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3596 ainvnorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3597 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3598 rcond = 1. / ainvnorm / anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3599 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3600 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3601 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3602 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3603 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
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 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
|
3606 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3607 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3608 work[i] = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3609 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
|
3610 work[b.ridx (i)] = b.data (i); |
10314
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 for (octave_idx_type k = 0; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3613 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3614 if (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3615 { |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
3616 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
|
3617 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3618 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3619 goto triangular_error; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3620 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3621 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3622 Complex tmp = work[k] / data (cidx (k)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3623 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3624 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
|
3625 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3626 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
|
3627 work[iidx] = work[iidx] - tmp * data (i); |
10314
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 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3630 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3631 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
3632 // 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
|
3633 // retval if needed |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3634 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3635 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3636 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3637 new_nnz++; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3638 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3639 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3640 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3641 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3642 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3643 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3644 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3645 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3646 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3647 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3648 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3649 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3650 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3651 retval.xdata (ii++) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3652 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3653 retval.xcidx (j+1) = ii; |
10314
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3656 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3657 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3658 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3659 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3660 // Calculation of 1-norm of inv(*this) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3661 for (octave_idx_type i = 0; i < nm; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3662 work[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3663 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3664 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3665 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3666 work[j] = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3667 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3668 for (octave_idx_type k = j; k < nc; k++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3669 { |
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 (work[k] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3672 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3673 Complex tmp = work[k] / data (cidx (k)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3674 work[k] = tmp; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3675 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
|
3676 i < cidx (k+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3677 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3678 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
|
3679 work[iidx] = work[iidx] - tmp * data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3680 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3681 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3682 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3683 double atmp = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3684 for (octave_idx_type i = j; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3685 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3686 atmp += std::abs (work[i]); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3687 work[i] = 0.; |
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 if (atmp > ainvnorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3690 ainvnorm = atmp; |
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 rcond = 1. / ainvnorm / anorm; |
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 } |
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 triangular_error: |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3697 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3698 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3699 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3700 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3701 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3702 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3703 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3704 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3705 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3706 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3707 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3708 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3709 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3710 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3711 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3712 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3713 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3714 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3715 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3716 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3717 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3718 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3719 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3720 warn_singular_matrix (rcond); |
10314
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 } |
5164 | 3723 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3724 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 3725 } |
3726 | |
3727 return retval; | |
3728 } | |
3729 | |
3730 ComplexMatrix | |
5785 | 3731 SparseComplexMatrix::trisolve (MatrixType &mattype, const Matrix& b, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3732 octave_idx_type& err, double& rcond, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3733 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3734 bool calc_cond) const |
5164 | 3735 { |
3736 ComplexMatrix retval; | |
3737 | |
5275 | 3738 octave_idx_type nr = rows (); |
3739 octave_idx_type nc = cols (); | |
5164 | 3740 err = 0; |
3741 | |
6924 | 3742 if (nr != nc || nr != b.rows ()) |
5164 | 3743 (*current_liboctave_error_handler) |
3744 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 3745 else if (nr == 0 || b.cols () == 0) |
3746 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5681 | 3747 else if (calc_cond) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3748 (*current_liboctave_error_handler) |
5681 | 3749 ("calculation of condition number not implemented"); |
5164 | 3750 else |
3751 { | |
3752 // Print spparms("spumoni") info if requested | |
3753 volatile int typ = mattype.type (); | |
3754 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3755 |
5785 | 3756 if (typ == MatrixType::Tridiagonal_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3757 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3758 OCTAVE_LOCAL_BUFFER (double, D, nr); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3759 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3760 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3761 if (mattype.is_dense ()) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3762 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3763 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3764 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3765 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
|
3766 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3767 D[j] = std::real (data (ii++)); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3768 DL[j] = data (ii); |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3769 ii += 2; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3770 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3771 D[nc-1] = std::real (data (ii)); |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3772 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3773 else |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3774 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3775 D[0] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3776 for (octave_idx_type i = 0; i < nr - 1; i++) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3777 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3778 D[i+1] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3779 DL[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3780 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3781 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3782 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
|
3783 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
|
3784 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3785 if (ridx (i) == j) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3786 D[j] = std::real (data (i)); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3787 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
|
3788 DL[j] = data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3789 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3790 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3791 |
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
|
3792 octave_idx_type b_nc = b.cols (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3793 retval = ComplexMatrix (b); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3794 Complex *result = retval.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3795 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3796 F77_XFCN (zptsv, ZPTSV, (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
|
3797 b.rows (), err)); |
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 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3800 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3801 err = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3802 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3803 typ = MatrixType::Tridiagonal; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3804 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3805 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3806 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3807 } |
5164 | 3808 |
5785 | 3809 if (typ == MatrixType::Tridiagonal) |
10314
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 OCTAVE_LOCAL_BUFFER (Complex, DU, nr - 1); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3812 OCTAVE_LOCAL_BUFFER (Complex, D, nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3813 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3814 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3815 if (mattype.is_dense ()) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3816 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3817 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3818 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3819 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
|
3820 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3821 D[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3822 DL[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3823 DU[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3824 } |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3825 D[nc-1] = data (ii); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3826 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3827 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3828 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3829 D[0] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3830 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
|
3831 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3832 D[i+1] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3833 DL[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3834 DU[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3835 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3836 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3837 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
|
3838 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
|
3839 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3840 if (ridx (i) == j) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3841 D[j] = data (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3842 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
|
3843 DL[j] = data (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3844 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
|
3845 DU[j-1] = data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3846 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3847 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3848 |
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
|
3849 octave_idx_type b_nc = b.cols (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3850 retval = ComplexMatrix (b); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3851 Complex *result = retval.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3852 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3853 F77_XFCN (zgtsv, ZGTSV, (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
|
3854 b.rows (), err)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3855 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3856 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3857 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3858 rcond = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3859 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3860 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3861 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3862 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3863 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3864 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3865 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3866 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3867 warn_singular_matrix (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3868 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3869 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3870 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3871 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3872 } |
5785 | 3873 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
|
3874 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 3875 } |
3876 | |
3877 return retval; | |
3878 } | |
3879 | |
3880 SparseComplexMatrix | |
5785 | 3881 SparseComplexMatrix::trisolve (MatrixType &mattype, const SparseMatrix& b, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3882 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3883 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3884 bool calc_cond) const |
5164 | 3885 { |
3886 SparseComplexMatrix retval; | |
3887 | |
5275 | 3888 octave_idx_type nr = rows (); |
3889 octave_idx_type nc = cols (); | |
5164 | 3890 err = 0; |
3891 | |
6924 | 3892 if (nr != nc || nr != b.rows ()) |
5164 | 3893 (*current_liboctave_error_handler) |
3894 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 3895 else if (nr == 0 || b.cols () == 0) |
3896 retval = SparseComplexMatrix (nc, b.cols ()); | |
5681 | 3897 else if (calc_cond) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3898 (*current_liboctave_error_handler) |
5681 | 3899 ("calculation of condition number not implemented"); |
5164 | 3900 else |
3901 { | |
3902 // Print spparms("spumoni") info if requested | |
3903 int typ = mattype.type (); | |
3904 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3905 |
5164 | 3906 // 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:
19697
diff
changeset
|
3907 if (typ == MatrixType::Tridiagonal |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
3908 || typ == MatrixType::Tridiagonal_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3909 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3910 OCTAVE_LOCAL_BUFFER (Complex, DU2, nr - 2); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3911 OCTAVE_LOCAL_BUFFER (Complex, DU, nr - 1); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3912 OCTAVE_LOCAL_BUFFER (Complex, D, nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3913 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
3914 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
|
3915 octave_idx_type *pipvt = ipvt.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3916 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3917 if (mattype.is_dense ()) |
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 octave_idx_type ii = 0; |
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 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
|
3922 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3923 D[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3924 DL[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3925 DU[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3926 } |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3927 D[nc-1] = data (ii); |
10314
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 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3930 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3931 D[0] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3932 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
|
3933 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3934 D[i+1] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3935 DL[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3936 DU[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3937 } |
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 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
|
3940 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
|
3941 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3942 if (ridx (i) == j) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3943 D[j] = data (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3944 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
|
3945 DL[j] = data (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3946 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
|
3947 DU[j-1] = data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3948 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3949 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3950 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3951 F77_XFCN (zgttrf, ZGTTRF, (nr, DL, D, DU, DU2, pipvt, err)); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3952 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3953 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3954 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3955 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3956 rcond = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3957 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3958 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3959 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3960 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3961 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3962 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3963 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
3964 warn_singular_matrix (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3965 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3966 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3967 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3968 char job = 'N'; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3969 volatile octave_idx_type x_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3970 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3971 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
|
3972 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3973 volatile octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3974 rcond = 1.0; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3975 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3976 OCTAVE_LOCAL_BUFFER (Complex, work, nr); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3977 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3978 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3979 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3980 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3981 work[i] = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3982 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
|
3983 work[b.ridx (i)] = b.data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3984 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3985 F77_XFCN (zgttrs, ZGTTRS, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3986 (F77_CONST_CHAR_ARG2 (&job, 1), |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3987 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
|
3988 work, b.rows (), err |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3989 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3990 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
3991 // Count nonzeros in work vector and adjust |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3992 // space in retval if needed |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3993 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3994 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3995 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3996 new_nnz++; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3997 |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3998 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3999 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4000 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4001 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
|
4002 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4003 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4004 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4005 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4006 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4007 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4008 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4009 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4010 retval.xdata (ii++) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4011 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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diff
changeset
|
4012 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4013 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4014 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4015 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4016 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4017 } |
5785 | 4018 else if (typ != MatrixType::Tridiagonal_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4019 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 4020 } |
4021 | |
4022 return retval; | |
4023 } | |
4024 | |
4025 ComplexMatrix | |
5785 | 4026 SparseComplexMatrix::trisolve (MatrixType &mattype, const ComplexMatrix& b, |
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
4027 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4028 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4029 bool calc_cond) const |
5164 | 4030 { |
4031 ComplexMatrix retval; | |
4032 | |
5275 | 4033 octave_idx_type nr = rows (); |
4034 octave_idx_type nc = cols (); | |
5164 | 4035 err = 0; |
4036 | |
6924 | 4037 if (nr != nc || nr != b.rows ()) |
5164 | 4038 (*current_liboctave_error_handler) |
4039 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 4040 else if (nr == 0 || b.cols () == 0) |
4041 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5681 | 4042 else if (calc_cond) |
11586
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strip trailing whitespace from source files
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diff
changeset
|
4043 (*current_liboctave_error_handler) |
5681 | 4044 ("calculation of condition number not implemented"); |
5164 | 4045 else |
4046 { | |
4047 // Print spparms("spumoni") info if requested | |
4048 volatile int typ = mattype.type (); | |
4049 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
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|
4050 |
5785 | 4051 if (typ == MatrixType::Tridiagonal_Hermitian) |
10314
07ebe522dac2
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changeset
|
4052 { |
07ebe522dac2
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diff
changeset
|
4053 OCTAVE_LOCAL_BUFFER (double, D, nr); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4054 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
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diff
changeset
|
4055 |
07ebe522dac2
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diff
changeset
|
4056 if (mattype.is_dense ()) |
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10158
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changeset
|
4057 { |
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changeset
|
4058 octave_idx_type ii = 0; |
07ebe522dac2
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changeset
|
4059 |
07ebe522dac2
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changeset
|
4060 for (octave_idx_type j = 0; j < nc-1; j++) |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4061 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
4062 D[j] = std::real (data (ii++)); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
4063 DL[j] = data (ii); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4064 ii += 2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4065 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4066 D[nc-1] = std::real (data (ii)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4067 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4068 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4069 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4070 D[0] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4071 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
|
4072 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4073 D[i+1] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4074 DL[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4075 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4076 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4077 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
|
4078 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
|
4079 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4080 if (ridx (i) == j) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4081 D[j] = std::real (data (i)); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4082 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
|
4083 DL[j] = data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4084 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4085 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4086 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4087 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
|
4088 octave_idx_type b_nc = b.cols (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4089 rcond = 1.; |
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 retval = ComplexMatrix (b); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4092 Complex *result = retval.fortran_vec (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4093 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4094 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
|
4095 b_nr, err)); |
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 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4098 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4099 err = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4100 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4101 typ = MatrixType::Tridiagonal; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4102 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4103 } |
5164 | 4104 |
5785 | 4105 if (typ == MatrixType::Tridiagonal) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4106 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4107 OCTAVE_LOCAL_BUFFER (Complex, DU, nr - 1); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4108 OCTAVE_LOCAL_BUFFER (Complex, D, nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4109 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4110 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4111 if (mattype.is_dense ()) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4112 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4113 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4114 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4115 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
|
4116 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4117 D[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4118 DL[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4119 DU[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4120 } |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4121 D[nc-1] = data (ii); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4122 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4123 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4124 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4125 D[0] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4126 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
|
4127 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4128 D[i+1] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4129 DL[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4130 DU[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4131 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4132 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4133 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
|
4134 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
|
4135 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4136 if (ridx (i) == j) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4137 D[j] = data (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4138 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
|
4139 DL[j] = data (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4140 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
|
4141 DU[j-1] = data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4142 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4143 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4144 |
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
|
4145 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
|
4146 octave_idx_type b_nc = b.cols (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4147 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4148 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4149 retval = ComplexMatrix (b); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4150 Complex *result = retval.fortran_vec (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4151 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4152 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
|
4153 b_nr, err)); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4154 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4155 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4156 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4157 rcond = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4158 err = -2; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4159 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4160 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4161 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4162 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4163 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4164 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4165 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4166 warn_singular_matrix (); |
10314
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 } |
5785 | 4169 else if (typ != MatrixType::Tridiagonal_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4170 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 4171 } |
4172 | |
4173 return retval; | |
4174 } | |
4175 | |
4176 SparseComplexMatrix | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4177 SparseComplexMatrix::trisolve (MatrixType &mattype, |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4178 const SparseComplexMatrix& b, |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4179 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4180 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4181 bool calc_cond) const |
5164 | 4182 { |
4183 SparseComplexMatrix retval; | |
4184 | |
5275 | 4185 octave_idx_type nr = rows (); |
4186 octave_idx_type nc = cols (); | |
5164 | 4187 err = 0; |
4188 | |
6924 | 4189 if (nr != nc || nr != b.rows ()) |
5164 | 4190 (*current_liboctave_error_handler) |
4191 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 4192 else if (nr == 0 || b.cols () == 0) |
4193 retval = SparseComplexMatrix (nc, b.cols ()); | |
5681 | 4194 else if (calc_cond) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4195 (*current_liboctave_error_handler) |
5681 | 4196 ("calculation of condition number not implemented"); |
5164 | 4197 else |
4198 { | |
4199 // Print spparms("spumoni") info if requested | |
4200 int typ = mattype.type (); | |
4201 mattype.info (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4202 |
5164 | 4203 // 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:
19697
diff
changeset
|
4204 if (typ == MatrixType::Tridiagonal |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
4205 || typ == MatrixType::Tridiagonal_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4206 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4207 OCTAVE_LOCAL_BUFFER (Complex, DU2, nr - 2); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4208 OCTAVE_LOCAL_BUFFER (Complex, DU, nr - 1); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4209 OCTAVE_LOCAL_BUFFER (Complex, D, nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4210 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4211 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
|
4212 octave_idx_type *pipvt = ipvt.fortran_vec (); |
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 if (mattype.is_dense ()) |
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 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4217 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4218 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
|
4219 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4220 D[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4221 DL[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4222 DU[j] = data (ii++); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4223 } |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4224 D[nc-1] = data (ii); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4225 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4226 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4227 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4228 D[0] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4229 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
|
4230 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4231 D[i+1] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4232 DL[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4233 DU[i] = 0.; |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4236 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
|
4237 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
|
4238 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4239 if (ridx (i) == j) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4240 D[j] = data (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4241 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
|
4242 DL[j] = data (i); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4243 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
|
4244 DU[j-1] = data (i); |
10314
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 } |
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 F77_XFCN (zgttrf, ZGTTRF, (nr, DL, D, DU, DU2, pipvt, err)); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4249 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4250 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4251 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4252 rcond = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4253 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4254 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4255 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4256 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4257 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4258 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4259 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4260 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4261 warn_singular_matrix (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4262 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4263 else |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4264 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4265 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4266 char job = 'N'; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4267 octave_idx_type b_nr = b.rows (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4268 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4269 OCTAVE_LOCAL_BUFFER (Complex, Bx, b_nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4270 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
4271 // 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
|
4272 // will be as many as in b |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4273 volatile octave_idx_type x_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4274 volatile octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4275 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4276 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4277 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4278 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
|
4279 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4280 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4281 for (octave_idx_type i = 0; i < b_nr; i++) |
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
18080
diff
changeset
|
4282 Bx[i] = b(i,j); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4283 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4284 F77_XFCN (zgttrs, ZGTTRS, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4285 (F77_CONST_CHAR_ARG2 (&job, 1), |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4286 nr, 1, DL, D, DU, DU2, pipvt, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4287 Bx, b_nr, err |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4288 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4289 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4290 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4291 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4292 (*current_liboctave_error_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4293 ("SparseComplexMatrix::solve solve failed"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4294 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4295 err = -1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4296 break; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4297 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4298 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
4299 // Count nonzeros in work vector and adjust |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4300 // space in retval if needed |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4301 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4302 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4303 if (Bx[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4304 new_nnz++; |
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 if (ii + new_nnz > x_nz) |
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 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4309 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
|
4310 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4311 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4312 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4313 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4314 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4315 if (Bx[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4316 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4317 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4318 retval.xdata (ii++) = Bx[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4319 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4320 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4321 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4322 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4323 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4324 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4325 } |
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untabify liboctave C++ sources
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diff
changeset
|
4326 } |
5785 | 4327 else if (typ != MatrixType::Tridiagonal_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4328 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 4329 } |
4330 | |
4331 return retval; | |
4332 } | |
4333 | |
4334 ComplexMatrix | |
5785 | 4335 SparseComplexMatrix::bsolve (MatrixType &mattype, const Matrix& b, |
10314
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untabify liboctave C++ sources
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diff
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|
4336 octave_idx_type& err, double& rcond, |
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untabify liboctave C++ sources
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diff
changeset
|
4337 solve_singularity_handler sing_handler, |
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untabify liboctave C++ sources
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diff
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|
4338 bool calc_cond) const |
5164 | 4339 { |
4340 ComplexMatrix retval; | |
4341 | |
5275 | 4342 octave_idx_type nr = rows (); |
4343 octave_idx_type nc = cols (); | |
5164 | 4344 err = 0; |
4345 | |
6924 | 4346 if (nr != nc || nr != b.rows ()) |
5164 | 4347 (*current_liboctave_error_handler) |
4348 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 4349 else if (nr == 0 || b.cols () == 0) |
4350 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 4351 else |
4352 { | |
4353 // Print spparms("spumoni") info if requested | |
4354 volatile int typ = mattype.type (); | |
4355 mattype.info (); | |
4356 | |
5785 | 4357 if (typ == MatrixType::Banded_Hermitian) |
10314
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diff
changeset
|
4358 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4359 octave_idx_type n_lower = mattype.nlower (); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4360 octave_idx_type ldm = n_lower + 1; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4361 ComplexMatrix m_band (ldm, nc); |
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untabify liboctave C++ sources
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diff
changeset
|
4362 Complex *tmp_data = m_band.fortran_vec (); |
11586
12df7854fa7c
strip trailing whitespace from source files
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11574
diff
changeset
|
4363 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4364 if (! mattype.is_dense ()) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4365 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4366 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4367 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4368 for (octave_idx_type j = 0; j < ldm; j++) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4369 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4370 tmp_data[ii++] = 0.; |
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untabify liboctave C++ sources
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diff
changeset
|
4371 } |
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untabify liboctave C++ sources
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diff
changeset
|
4372 |
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untabify liboctave C++ sources
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diff
changeset
|
4373 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
|
4374 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4375 { |
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diff
changeset
|
4376 octave_idx_type ri = ridx (i); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4377 if (ri >= j) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4378 m_band(ri - j, j) = data (i); |
10314
07ebe522dac2
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diff
changeset
|
4379 } |
07ebe522dac2
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diff
changeset
|
4380 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4381 // Calculate the norm of the matrix, for later use. |
07ebe522dac2
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diff
changeset
|
4382 double anorm; |
07ebe522dac2
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diff
changeset
|
4383 if (calc_cond) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4384 anorm = m_band.abs ().sum ().row (0).max (); |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4385 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4386 char job = 'L'; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4387 F77_XFCN (zpbtrf, ZPBTRF, (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4388 nr, n_lower, tmp_data, ldm, err |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4389 F77_CHAR_ARG_LEN (1))); |
11586
12df7854fa7c
strip trailing whitespace from source files
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11574
diff
changeset
|
4390 |
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
4391 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4392 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4393 rcond = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4394 // Matrix is not positive definite!! Fall through to |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4395 // unsymmetric banded solver. |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4396 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4397 typ = MatrixType::Banded; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4398 err = 0; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4399 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4400 else |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4401 { |
07ebe522dac2
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diff
changeset
|
4402 if (calc_cond) |
07ebe522dac2
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diff
changeset
|
4403 { |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4404 Array<Complex> z (dim_vector (2 * nr, 1)); |
10314
07ebe522dac2
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diff
changeset
|
4405 Complex *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
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11523
diff
changeset
|
4406 Array<double> iz (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4407 double *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4408 |
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4409 F77_XFCN (zpbcon, ZPBCON, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4410 (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
|
4411 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
|
4412 anorm, rcond, pz, piz, err |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4413 F77_CHAR_ARG_LEN (1))); |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4414 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4415 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4416 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4417 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4418 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4419 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4420 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4421 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4422 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4423 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4424 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4425 { |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4426 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4427 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4428 } |
07ebe522dac2
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diff
changeset
|
4429 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4430 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4431 } |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4432 } |
07ebe522dac2
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10158
diff
changeset
|
4433 else |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4434 rcond = 1.0; |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4435 |
07ebe522dac2
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diff
changeset
|
4436 if (err == 0) |
07ebe522dac2
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changeset
|
4437 { |
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changeset
|
4438 retval = ComplexMatrix (b); |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4439 Complex *result = retval.fortran_vec (); |
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diff
changeset
|
4440 |
07ebe522dac2
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changeset
|
4441 octave_idx_type b_nc = b.cols (); |
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changeset
|
4442 |
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diff
changeset
|
4443 F77_XFCN (zpbtrs, ZPBTRS, |
10314
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|
4444 (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
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diff
changeset
|
4445 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
|
4446 ldm, result, b.rows (), err |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4447 F77_CHAR_ARG_LEN (1))); |
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untabify liboctave C++ sources
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changeset
|
4448 |
07ebe522dac2
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diff
changeset
|
4449 if (err != 0) |
07ebe522dac2
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diff
changeset
|
4450 { |
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
4451 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4452 ("SparseMatrix::solve solve failed"); |
07ebe522dac2
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diff
changeset
|
4453 err = -1; |
07ebe522dac2
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diff
changeset
|
4454 } |
07ebe522dac2
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changeset
|
4455 } |
07ebe522dac2
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changeset
|
4456 } |
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changeset
|
4457 } |
5164 | 4458 |
5785 | 4459 if (typ == MatrixType::Banded) |
10314
07ebe522dac2
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changeset
|
4460 { |
07ebe522dac2
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changeset
|
4461 // Create the storage for the banded form of the sparse matrix |
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changeset
|
4462 octave_idx_type n_upper = mattype.nupper (); |
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untabify liboctave C++ sources
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diff
changeset
|
4463 octave_idx_type n_lower = mattype.nlower (); |
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changeset
|
4464 octave_idx_type ldm = n_upper + 2 * n_lower + 1; |
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changeset
|
4465 |
07ebe522dac2
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changeset
|
4466 ComplexMatrix m_band (ldm, nc); |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4467 Complex *tmp_data = m_band.fortran_vec (); |
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4468 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4469 if (! mattype.is_dense ()) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4470 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4471 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4472 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4473 for (octave_idx_type j = 0; j < ldm; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4474 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4475 tmp_data[ii++] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4476 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4477 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4478 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
|
4479 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
|
4480 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
|
4481 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4482 // 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
|
4483 double anorm = 0.0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4484 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4485 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4486 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4487 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4488 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4489 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
|
4490 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4491 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4492 anorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4493 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4494 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4495 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4496 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
|
4497 octave_idx_type *pipvt = ipvt.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4498 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4499 F77_XFCN (zgbtrf, ZGBTRF, (nr, nc, n_lower, n_upper, tmp_data, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4500 ldm, pipvt, err)); |
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 // 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
|
4503 // change output. |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4504 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4505 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4506 rcond = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4507 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4508 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4509 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4510 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4511 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4512 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4513 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4514 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4515 warn_singular_matrix (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4516 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4517 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4518 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4519 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4520 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4521 char job = '1'; |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4522 Array<Complex> z (dim_vector (2 * nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4523 Complex *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4524 Array<double> iz (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4525 double *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4526 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4527 F77_XFCN (zgbcon, ZGBCON, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4528 (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
|
4529 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
|
4530 anorm, rcond, pz, piz, err |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4531 F77_CHAR_ARG_LEN (1))); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4532 |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4533 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4534 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4535 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4536 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4537 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4538 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4539 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4540 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4541 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4542 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4543 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4544 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4545 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4546 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4547 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4548 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4549 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4550 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4551 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4552 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4553 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4554 if (err == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4555 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4556 retval = ComplexMatrix (b); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4557 Complex *result = retval.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4558 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4559 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4560 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4561 char job = 'N'; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4562 F77_XFCN (zgbtrs, ZGBTRS, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4563 (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4564 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
|
4565 ldm, pipvt, result, b.rows (), err |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4566 F77_CHAR_ARG_LEN (1))); |
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 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4569 } |
5785 | 4570 else if (typ != MatrixType::Banded_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4571 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 4572 } |
4573 | |
4574 return retval; | |
4575 } | |
4576 | |
4577 SparseComplexMatrix | |
5785 | 4578 SparseComplexMatrix::bsolve (MatrixType &mattype, const SparseMatrix& b, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4579 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4580 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4581 bool calc_cond) const |
5164 | 4582 { |
4583 SparseComplexMatrix retval; | |
4584 | |
5275 | 4585 octave_idx_type nr = rows (); |
4586 octave_idx_type nc = cols (); | |
5164 | 4587 err = 0; |
4588 | |
6924 | 4589 if (nr != nc || nr != b.rows ()) |
5164 | 4590 (*current_liboctave_error_handler) |
4591 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 4592 else if (nr == 0 || b.cols () == 0) |
4593 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 4594 else |
4595 { | |
4596 // Print spparms("spumoni") info if requested | |
4597 volatile int typ = mattype.type (); | |
4598 mattype.info (); | |
4599 | |
5785 | 4600 if (typ == MatrixType::Banded_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4601 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4602 octave_idx_type n_lower = mattype.nlower (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4603 octave_idx_type ldm = n_lower + 1; |
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 ComplexMatrix m_band (ldm, nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4606 Complex *tmp_data = m_band.fortran_vec (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4607 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4608 if (! mattype.is_dense ()) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4609 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4610 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4611 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4612 for (octave_idx_type j = 0; j < ldm; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4613 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4614 tmp_data[ii++] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4615 } |
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 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
|
4618 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
|
4619 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4620 octave_idx_type ri = ridx (i); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4621 if (ri >= j) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4622 m_band(ri - j, j) = data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4623 } |
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 // Calculate the norm of the matrix, for later use. |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4626 double anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4627 if (calc_cond) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4628 anorm = m_band.abs ().sum ().row (0).max (); |
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 char job = 'L'; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4631 F77_XFCN (zpbtrf, ZPBTRF, (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4632 nr, n_lower, tmp_data, ldm, err |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4633 F77_CHAR_ARG_LEN (1))); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4634 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4635 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4636 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4637 rcond = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4638 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4639 typ = MatrixType::Banded; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4640 err = 0; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4641 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4642 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4643 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4644 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4645 { |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4646 Array<Complex> z (dim_vector (2 * nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4647 Complex *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4648 Array<double> iz (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4649 double *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4650 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4651 F77_XFCN (zpbcon, ZPBCON, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4652 (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
|
4653 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
|
4654 anorm, rcond, pz, piz, err |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4655 F77_CHAR_ARG_LEN (1))); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4656 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4657 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4658 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4659 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4660 volatile double rcond_plus_one = rcond + 1.0; |
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 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4663 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4664 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4665 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4666 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4667 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4668 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4669 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4670 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4671 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4672 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4673 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4674 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4675 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4676 rcond = 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4677 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4678 if (err == 0) |
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 octave_idx_type b_nr = b.rows (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4681 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4682 OCTAVE_LOCAL_BUFFER (Complex, Bx, b_nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4683 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
4684 // 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
|
4685 // will be as many as in b |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4686 volatile octave_idx_type x_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4687 volatile octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4688 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4689 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4690 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4691 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
|
4692 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4693 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
|
4694 Bx[i] = b.elem (i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4695 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4696 F77_XFCN (zpbtrs, ZPBTRS, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4697 (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4698 nr, n_lower, 1, tmp_data, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4699 ldm, Bx, b_nr, err |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4700 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4701 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4702 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4703 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4704 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4705 ("SparseComplexMatrix::solve solve failed"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4706 err = -1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4707 break; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4708 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4709 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4710 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
|
4711 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4712 Complex tmp = Bx[i]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4713 if (tmp != 0.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4714 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4715 if (ii == x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4716 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4717 // Resize the sparse matrix |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4718 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
|
4719 (b_nc - j) / b_nc; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4720 sz = (sz > 10 ? sz : 10) + x_nz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4721 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4722 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4723 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4724 retval.xdata (ii) = tmp; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4725 retval.xridx (ii++) = i; |
10314
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 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4728 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4729 } |
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 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4732 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4733 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4734 } |
5164 | 4735 |
5785 | 4736 if (typ == MatrixType::Banded) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4737 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4738 // 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
|
4739 octave_idx_type n_upper = mattype.nupper (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4740 octave_idx_type n_lower = mattype.nlower (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4741 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
|
4742 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4743 ComplexMatrix m_band (ldm, nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4744 Complex *tmp_data = m_band.fortran_vec (); |
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 (! mattype.is_dense ()) |
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 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4749 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4750 for (octave_idx_type j = 0; j < ldm; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4751 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4752 tmp_data[ii++] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4753 } |
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 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
|
4756 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
|
4757 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
|
4758 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4759 // 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
|
4760 double anorm = 0.0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4761 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4762 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4763 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4764 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4765 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4766 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
|
4767 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4768 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4769 anorm = atmp; |
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 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4772 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4773 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
|
4774 octave_idx_type *pipvt = ipvt.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4775 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4776 F77_XFCN (zgbtrf, ZGBTRF, (nr, nr, n_lower, n_upper, tmp_data, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4777 ldm, pipvt, err)); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4778 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4779 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4780 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4781 rcond = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4782 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4783 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4784 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4785 { |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4786 sing_handler (rcond); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4787 mattype.mark_as_rectangular (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4788 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4789 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4790 warn_singular_matrix (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4791 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4792 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4793 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4794 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4795 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4796 char job = '1'; |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4797 Array<Complex> z (dim_vector (2 * nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4798 Complex *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4799 Array<double> iz (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4800 double *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4801 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4802 F77_XFCN (zgbcon, ZGBCON, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4803 (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
|
4804 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
|
4805 anorm, rcond, pz, piz, err |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4806 F77_CHAR_ARG_LEN (1))); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4807 |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4808 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4809 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4810 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4811 volatile double rcond_plus_one = rcond + 1.0; |
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 (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4814 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4815 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4816 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4817 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4818 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4819 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4820 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4821 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4822 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4823 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4824 } |
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 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4827 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4828 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4829 if (err == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4830 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4831 char job = 'N'; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4832 volatile octave_idx_type x_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4833 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4834 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
|
4835 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4836 volatile octave_idx_type ii = 0; |
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 OCTAVE_LOCAL_BUFFER (Complex, work, nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4839 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4840 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
|
4841 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4842 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4843 work[i] = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4844 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
|
4845 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
|
4846 work[b.ridx (i)] = b.data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4847 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4848 F77_XFCN (zgbtrs, ZGBTRS, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4849 (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4850 nr, n_lower, n_upper, 1, tmp_data, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4851 ldm, pipvt, work, b.rows (), err |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4852 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4853 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
4854 // Count nonzeros in work vector and adjust |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4855 // space in retval if needed |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4856 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4857 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4858 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4859 new_nnz++; |
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>
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diff
changeset
|
4861 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4862 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4863 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4864 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4865 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4866 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4867 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4868 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4869 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4870 if (work[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4871 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4872 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4873 retval.xdata (ii++) = work[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4874 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4875 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4876 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4877 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4878 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4879 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4880 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4881 } |
5785 | 4882 else if (typ != MatrixType::Banded_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4883 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 4884 } |
4885 | |
4886 return retval; | |
4887 } | |
4888 | |
4889 ComplexMatrix | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4890 SparseComplexMatrix::bsolve (MatrixType &mattype, const ComplexMatrix& b, |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4891 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4892 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4893 bool calc_cond) const |
5164 | 4894 { |
4895 ComplexMatrix retval; | |
4896 | |
5275 | 4897 octave_idx_type nr = rows (); |
4898 octave_idx_type nc = cols (); | |
5164 | 4899 err = 0; |
4900 | |
6924 | 4901 if (nr != nc || nr != b.rows ()) |
5164 | 4902 (*current_liboctave_error_handler) |
4903 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 4904 else if (nr == 0 || b.cols () == 0) |
4905 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 4906 else |
4907 { | |
4908 // Print spparms("spumoni") info if requested | |
4909 volatile int typ = mattype.type (); | |
4910 mattype.info (); | |
4911 | |
5785 | 4912 if (typ == MatrixType::Banded_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4913 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4914 octave_idx_type n_lower = mattype.nlower (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4915 octave_idx_type ldm = n_lower + 1; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4916 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4917 ComplexMatrix m_band (ldm, nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4918 Complex *tmp_data = m_band.fortran_vec (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4919 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4920 if (! mattype.is_dense ()) |
10314
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 octave_idx_type ii = 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 for (octave_idx_type j = 0; j < ldm; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4925 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4926 tmp_data[ii++] = 0.; |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4929 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
|
4930 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
|
4931 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4932 octave_idx_type ri = ridx (i); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4933 if (ri >= j) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4934 m_band(ri - j, j) = data (i); |
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 // Calculate the norm of the matrix, for later use. |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4938 double anorm; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4939 if (calc_cond) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4940 anorm = m_band.abs ().sum ().row (0).max (); |
10314
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 = 'L'; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4943 F77_XFCN (zpbtrf, ZPBTRF, (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4944 nr, n_lower, tmp_data, ldm, err |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4945 F77_CHAR_ARG_LEN (1))); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4946 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4947 if (err != 0) |
10314
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 // Matrix is not positive definite!! Fall through to |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4950 // unsymmetric banded solver. |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4951 rcond = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4952 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4953 typ = MatrixType::Banded; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4954 err = 0; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4955 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4956 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4957 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4958 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4959 { |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4960 Array<Complex> z (dim_vector (2 * nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4961 Complex *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4962 Array<double> iz (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4963 double *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4964 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4965 F77_XFCN (zpbcon, ZPBCON, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4966 (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
|
4967 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
|
4968 anorm, rcond, pz, piz, err |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4969 F77_CHAR_ARG_LEN (1))); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4970 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4971 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4972 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4973 |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4974 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4975 |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4976 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4977 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4978 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4979 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4980 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4981 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4982 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4983 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4984 } |
07ebe522dac2
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10158
diff
changeset
|
4985 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
4986 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4987 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4988 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4989 else |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4990 rcond = 1.0; |
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 if (err == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4993 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4994 octave_idx_type b_nr = b.rows (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4995 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4996 retval = ComplexMatrix (b); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4997 Complex *result = retval.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4998 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4999 F77_XFCN (zpbtrs, ZPBTRS, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5000 (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5001 nr, n_lower, b_nc, tmp_data, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5002 ldm, result, b_nr, err |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5003 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5004 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5005 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5006 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5007 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5008 ("SparseComplexMatrix::solve solve failed"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5009 err = -1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5010 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5011 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5012 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5013 } |
5164 | 5014 |
5785 | 5015 if (typ == MatrixType::Banded) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5016 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5017 // 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
|
5018 octave_idx_type n_upper = mattype.nupper (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5019 octave_idx_type n_lower = mattype.nlower (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5020 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
|
5021 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5022 ComplexMatrix m_band (ldm, nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5023 Complex *tmp_data = m_band.fortran_vec (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5024 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5025 if (! mattype.is_dense ()) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5026 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5027 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5028 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5029 for (octave_idx_type j = 0; j < ldm; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5030 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5031 tmp_data[ii++] = 0.; |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5034 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
|
5035 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
|
5036 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
|
5037 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5038 // 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
|
5039 double anorm = 0.0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5040 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5041 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5042 for (octave_idx_type j = 0; j < nr; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5043 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5044 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5045 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
|
5046 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5047 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5048 anorm = atmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5049 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5050 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5051 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5052 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
|
5053 octave_idx_type *pipvt = ipvt.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5054 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5055 F77_XFCN (zgbtrf, ZGBTRF, (nr, nr, n_lower, n_upper, tmp_data, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5056 ldm, pipvt, err)); |
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 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5061 rcond = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5062 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5063 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5064 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5065 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5066 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5067 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5068 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5069 warn_singular_matrix (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5070 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5071 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5072 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5073 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5074 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5075 char job = '1'; |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5076 Array<Complex> z (dim_vector (2 * nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5077 Complex *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5078 Array<double> iz (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5079 double *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5080 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5081 F77_XFCN (zgbcon, ZGBCON, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5082 (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
|
5083 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
|
5084 anorm, rcond, pz, piz, err |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5085 F77_CHAR_ARG_LEN (1))); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5086 |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5087 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5088 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5089 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5090 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5091 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5092 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5093 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5094 err = -2; |
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 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5097 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5098 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5099 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5100 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5101 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5102 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5103 } |
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 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5106 rcond = 1.; |
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 if (err == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5109 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5110 char job = 'N'; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5111 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5112 retval = ComplexMatrix (b); |
07ebe522dac2
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|
5113 Complex *result = retval.fortran_vec (); |
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5114 |
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|
5115 F77_XFCN (zgbtrs, ZGBTRS, |
10314
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|
5116 (F77_CONST_CHAR_ARG2 (&job, 1), |
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|
5117 nr, n_lower, n_upper, b_nc, tmp_data, |
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|
5118 ldm, pipvt, result, b.rows (), err |
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|
5119 F77_CHAR_ARG_LEN (1))); |
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changeset
|
5120 } |
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changeset
|
5121 } |
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|
5122 } |
5785 | 5123 else if (typ != MatrixType::Banded_Hermitian) |
10314
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|
5124 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 5125 } |
5126 | |
5127 return retval; | |
5128 } | |
5129 | |
5130 SparseComplexMatrix | |
5785 | 5131 SparseComplexMatrix::bsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
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|
5132 octave_idx_type& err, double& rcond, |
10314
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|
5133 solve_singularity_handler sing_handler, |
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|
5134 bool calc_cond) const |
5164 | 5135 { |
5136 SparseComplexMatrix retval; | |
5137 | |
5275 | 5138 octave_idx_type nr = rows (); |
5139 octave_idx_type nc = cols (); | |
5164 | 5140 err = 0; |
5141 | |
6924 | 5142 if (nr != nc || nr != b.rows ()) |
5164 | 5143 (*current_liboctave_error_handler) |
5144 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 5145 else if (nr == 0 || b.cols () == 0) |
5146 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 5147 else |
5148 { | |
5149 // Print spparms("spumoni") info if requested | |
5150 volatile int typ = mattype.type (); | |
5151 mattype.info (); | |
5152 | |
5785 | 5153 if (typ == MatrixType::Banded_Hermitian) |
10314
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|
5154 { |
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|
5155 octave_idx_type n_lower = mattype.nlower (); |
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|
5156 octave_idx_type ldm = n_lower + 1; |
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|
5157 |
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|
5158 ComplexMatrix m_band (ldm, nc); |
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|
5159 Complex *tmp_data = m_band.fortran_vec (); |
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|
5160 |
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|
5161 if (! mattype.is_dense ()) |
10314
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untabify liboctave C++ sources
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diff
changeset
|
5162 { |
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diff
changeset
|
5163 octave_idx_type ii = 0; |
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untabify liboctave C++ sources
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changeset
|
5164 |
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|
5165 for (octave_idx_type j = 0; j < ldm; j++) |
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changeset
|
5166 for (octave_idx_type i = 0; i < nc; i++) |
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untabify liboctave C++ sources
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diff
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|
5167 tmp_data[ii++] = 0.; |
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diff
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|
5168 } |
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changeset
|
5169 |
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|
5170 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>
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|
5171 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
10314
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|
5172 { |
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|
5173 octave_idx_type ri = ridx (i); |
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untabify liboctave C++ sources
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|
5174 if (ri >= j) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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diff
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|
5175 m_band(ri - j, j) = data (i); |
10314
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|
5176 } |
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|
5177 |
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changeset
|
5178 // Calculate the norm of the matrix, for later use. |
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|
5179 double anorm; |
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|
5180 if (calc_cond) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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changeset
|
5181 anorm = m_band.abs ().sum ().row (0).max (); |
10314
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|
5182 |
07ebe522dac2
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changeset
|
5183 char job = 'L'; |
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untabify liboctave C++ sources
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|
5184 F77_XFCN (zpbtrf, ZPBTRF, (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
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changeset
|
5185 nr, n_lower, tmp_data, ldm, err |
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untabify liboctave C++ sources
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changeset
|
5186 F77_CHAR_ARG_LEN (1))); |
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|
5187 |
12df7854fa7c
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|
5188 if (err != 0) |
10314
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changeset
|
5189 { |
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diff
changeset
|
5190 // Matrix is not positive definite!! Fall through to |
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untabify liboctave C++ sources
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|
5191 // unsymmetric banded solver. |
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changeset
|
5192 mattype.mark_as_unsymmetric (); |
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diff
changeset
|
5193 typ = MatrixType::Banded; |
07ebe522dac2
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diff
changeset
|
5194 |
07ebe522dac2
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diff
changeset
|
5195 rcond = 0.0; |
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|
5196 err = 0; |
11586
12df7854fa7c
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diff
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|
5197 } |
12df7854fa7c
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diff
changeset
|
5198 else |
10314
07ebe522dac2
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diff
changeset
|
5199 { |
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|
5200 if (calc_cond) |
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diff
changeset
|
5201 { |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5202 Array<Complex> z (dim_vector (2 * nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
5203 Complex *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
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11523
diff
changeset
|
5204 Array<double> iz (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
5205 double *piz = iz.fortran_vec (); |
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|
5206 |
11586
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
5207 F77_XFCN (zpbcon, ZPBCON, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5208 (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
|
5209 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
|
5210 anorm, rcond, pz, piz, err |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
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17744
diff
changeset
|
5211 F77_CHAR_ARG_LEN (1))); |
10314
07ebe522dac2
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diff
changeset
|
5212 |
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5213 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5214 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5215 |
07ebe522dac2
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diff
changeset
|
5216 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
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changeset
|
5217 |
07ebe522dac2
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diff
changeset
|
5218 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
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changeset
|
5219 { |
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10158
diff
changeset
|
5220 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
5221 |
07ebe522dac2
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changeset
|
5222 if (sing_handler) |
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changeset
|
5223 { |
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changeset
|
5224 sing_handler (rcond); |
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untabify liboctave C++ sources
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changeset
|
5225 mattype.mark_as_rectangular (); |
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changeset
|
5226 } |
07ebe522dac2
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diff
changeset
|
5227 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
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21109
diff
changeset
|
5228 warn_singular_matrix (rcond); |
10314
07ebe522dac2
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|
5229 } |
07ebe522dac2
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changeset
|
5230 } |
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changeset
|
5231 else |
07ebe522dac2
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changeset
|
5232 rcond = 1.0; |
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|
5233 |
07ebe522dac2
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changeset
|
5234 if (err == 0) |
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|
5235 { |
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changeset
|
5236 octave_idx_type b_nr = b.rows (); |
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|
5237 octave_idx_type b_nc = b.cols (); |
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changeset
|
5238 OCTAVE_LOCAL_BUFFER (Complex, Bx, b_nr); |
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|
5239 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
5240 // Take a first guess that the number of nonzero terms |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
5241 // will be as many as in b |
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changeset
|
5242 volatile octave_idx_type x_nz = b.nnz (); |
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changeset
|
5243 volatile octave_idx_type ii = 0; |
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changeset
|
5244 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
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|
5245 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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changeset
|
5246 retval.xcidx (0) = 0; |
10314
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changeset
|
5247 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
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changeset
|
5248 { |
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changeset
|
5249 |
07ebe522dac2
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changeset
|
5250 for (octave_idx_type i = 0; i < b_nr; i++) |
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
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18080
diff
changeset
|
5251 Bx[i] = b(i,j); |
10314
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|
5252 |
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changeset
|
5253 F77_XFCN (zpbtrs, ZPBTRS, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5254 (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5255 nr, n_lower, 1, tmp_data, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5256 ldm, Bx, b_nr, err |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5257 F77_CHAR_ARG_LEN (1))); |
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 if (err != 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5260 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5261 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5262 ("SparseMatrix::solve solve failed"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5263 err = -1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5264 break; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5265 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5266 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
5267 // Count nonzeros in work vector and adjust |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5268 // space in retval if needed |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5269 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5270 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5271 if (Bx[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5272 new_nnz++; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5273 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5274 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5275 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5276 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5277 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
|
5278 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5279 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5280 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5281 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5282 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5283 if (Bx[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5284 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5285 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5286 retval.xdata (ii++) = Bx[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5287 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5288 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5289 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5290 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5291 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5292 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5293 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5294 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5295 } |
5164 | 5296 |
5785 | 5297 if (typ == MatrixType::Banded) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5298 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5299 // 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
|
5300 octave_idx_type n_upper = mattype.nupper (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5301 octave_idx_type n_lower = mattype.nlower (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5302 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
|
5303 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5304 ComplexMatrix m_band (ldm, nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5305 Complex *tmp_data = m_band.fortran_vec (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5306 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5307 if (! mattype.is_dense ()) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5308 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5309 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5310 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5311 for (octave_idx_type j = 0; j < ldm; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5312 for (octave_idx_type i = 0; i < nc; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5313 tmp_data[ii++] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5314 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5315 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5316 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
|
5317 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
|
5318 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
|
5319 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5320 // 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
|
5321 double anorm = 0.0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5322 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5323 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5324 for (octave_idx_type j = 0; j < nr; j++) |
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 double atmp = 0.; |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5327 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
|
5328 atmp += std::abs (data (i)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5329 if (atmp > anorm) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5330 anorm = atmp; |
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 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5334 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
|
5335 octave_idx_type *pipvt = ipvt.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5336 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5337 F77_XFCN (zgbtrf, ZGBTRF, (nr, nr, n_lower, n_upper, tmp_data, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5338 ldm, pipvt, err)); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5339 |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5340 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5341 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5342 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5343 rcond = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5344 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5345 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5346 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5347 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5348 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5349 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5350 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5351 warn_singular_matrix (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5352 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5353 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5354 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5355 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5356 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5357 char job = '1'; |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5358 Array<Complex> z (dim_vector (2 * nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5359 Complex *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5360 Array<double> iz (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5361 double *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5362 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5363 F77_XFCN (zgbcon, ZGBCON, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5364 (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
|
5365 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
|
5366 anorm, rcond, pz, piz, err |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5367 F77_CHAR_ARG_LEN (1))); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5368 |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5369 if (err != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5370 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5371 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5372 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5373 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5374 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5375 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5376 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5377 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5378 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5379 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5380 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5381 mattype.mark_as_rectangular (); |
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 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5384 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5385 } |
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 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5388 rcond = 1.; |
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 if (err == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5391 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5392 char job = 'N'; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5393 volatile octave_idx_type x_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5394 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5395 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
|
5396 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5397 volatile octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5398 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5399 OCTAVE_LOCAL_BUFFER (Complex, Bx, nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5400 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5401 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
|
5402 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5403 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5404 Bx[i] = 0.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5405 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5406 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
|
5407 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
|
5408 Bx[b.ridx (i)] = b.data (i); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5409 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5410 F77_XFCN (zgbtrs, ZGBTRS, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5411 (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5412 nr, n_lower, n_upper, 1, tmp_data, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5413 ldm, pipvt, Bx, b.rows (), err |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5414 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5415 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
5416 // Count nonzeros in work vector and adjust |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5417 // space in retval if needed |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5418 octave_idx_type new_nnz = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5419 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5420 if (Bx[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5421 new_nnz++; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5422 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5423 if (ii + new_nnz > x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5424 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5425 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5426 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
|
5427 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5428 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5429 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5430 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5431 for (octave_idx_type i = 0; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5432 if (Bx[i] != 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5433 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5434 retval.xridx (ii) = i; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5435 retval.xdata (ii++) = Bx[i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5436 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5437 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5438 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5439 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5440 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5441 } |
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 } |
5785 | 5444 else if (typ != MatrixType::Banded_Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5445 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 5446 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5447 |
5164 | 5448 return retval; |
5449 } | |
5450 | |
5451 void * | |
5681 | 5452 SparseComplexMatrix::factorize (octave_idx_type& err, double &rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5453 Matrix &Control, Matrix &Info, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5454 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5455 bool calc_cond) const |
5164 | 5456 { |
5457 // The return values | |
5404 | 5458 void *Numeric = 0; |
5164 | 5459 err = 0; |
5460 | |
5203 | 5461 #ifdef HAVE_UMFPACK |
5164 | 5462 // Setup the control parameters |
5463 Control = Matrix (UMFPACK_CONTROL, 1); | |
5464 double *control = Control.fortran_vec (); | |
5322 | 5465 UMFPACK_ZNAME (defaults) (control); |
5164 | 5466 |
5893 | 5467 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
|
5468 if (! xisnan (tmp)) |
5164 | 5469 Control (UMFPACK_PRL) = tmp; |
5893 | 5470 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
|
5471 if (! xisnan (tmp)) |
5164 | 5472 { |
5473 Control (UMFPACK_SYM_PIVOT_TOLERANCE) = tmp; | |
5474 Control (UMFPACK_PIVOT_TOLERANCE) = tmp; | |
5475 } | |
5476 | |
5477 // Set whether we are allowed to modify Q or not | |
5893 | 5478 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
|
5479 if (! xisnan (tmp)) |
5164 | 5480 Control (UMFPACK_FIXQ) = tmp; |
5481 | |
5322 | 5482 UMFPACK_ZNAME (report_control) (control); |
5164 | 5483 |
5275 | 5484 const octave_idx_type *Ap = cidx (); |
5485 const octave_idx_type *Ai = ridx (); | |
5164 | 5486 const Complex *Ax = data (); |
5275 | 5487 octave_idx_type nr = rows (); |
5488 octave_idx_type nc = cols (); | |
5164 | 5489 |
5322 | 5490 UMFPACK_ZNAME (report_matrix) (nr, nc, Ap, Ai, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5491 reinterpret_cast<const double *> (Ax), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5492 0, 1, control); |
5164 | 5493 |
5494 void *Symbolic; | |
5495 Info = Matrix (1, UMFPACK_INFO); | |
5496 double *info = Info.fortran_vec (); | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5497 int status = UMFPACK_ZNAME (qsymbolic) (nr, nc, Ap, Ai, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5498 reinterpret_cast<const double *> (Ax), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5499 0, 0, &Symbolic, control, info); |
5164 | 5500 |
5501 if (status < 0) | |
5502 { | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5503 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5504 ("SparseComplexMatrix::solve symbolic factorization failed"); |
5164 | 5505 err = -1; |
5506 | |
5322 | 5507 UMFPACK_ZNAME (report_status) (control, status); |
5508 UMFPACK_ZNAME (report_info) (control, info); | |
5509 | |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5510 UMFPACK_ZNAME (free_symbolic) (&Symbolic); |
5164 | 5511 } |
5512 else | |
5513 { | |
5322 | 5514 UMFPACK_ZNAME (report_symbolic) (Symbolic, control); |
5515 | |
5516 status = UMFPACK_ZNAME (numeric) (Ap, Ai, | |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5517 reinterpret_cast<const double *> (Ax), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5518 0, Symbolic, &Numeric, control, info); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5519 UMFPACK_ZNAME (free_symbolic) (&Symbolic); |
5164 | 5520 |
5681 | 5521 if (calc_cond) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5522 rcond = Info (UMFPACK_RCOND); |
5681 | 5523 else |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5524 rcond = 1.; |
5164 | 5525 volatile double rcond_plus_one = rcond + 1.0; |
5526 | |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5527 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:
19697
diff
changeset
|
5528 || rcond_plus_one == 1.0 || xisnan (rcond)) |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5529 { |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5530 UMFPACK_ZNAME (report_numeric) (Numeric, control); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5531 |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5532 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5533 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5534 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5535 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5536 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5537 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5538 } |
5610 | 5539 else if (status < 0) |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5540 { |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5541 (*current_liboctave_error_handler) |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5542 ("SparseComplexMatrix::solve numeric factorization failed"); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5543 |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5544 UMFPACK_ZNAME (report_status) (control, status); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5545 UMFPACK_ZNAME (report_info) (control, info); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5546 |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5547 err = -1; |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5548 } |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5549 else |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5550 { |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5551 UMFPACK_ZNAME (report_numeric) (Numeric, control); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5552 } |
5164 | 5553 } |
5554 | |
5555 if (err != 0) | |
5322 | 5556 UMFPACK_ZNAME (free_numeric) (&Numeric); |
5164 | 5557 |
5558 return Numeric; | |
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5559 |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5560 #else |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5561 (*current_liboctave_error_handler) |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5562 ("support for UMFPACK was unavailable or disabled when liboctave was built"); |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5563 #endif |
5164 | 5564 } |
5565 | |
5566 ComplexMatrix | |
5785 | 5567 SparseComplexMatrix::fsolve (MatrixType &mattype, const Matrix& b, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5568 octave_idx_type& err, double& rcond, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5569 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5570 bool calc_cond) const |
5164 | 5571 { |
5572 ComplexMatrix retval; | |
5573 | |
5275 | 5574 octave_idx_type nr = rows (); |
5575 octave_idx_type nc = cols (); | |
5164 | 5576 err = 0; |
5577 | |
6924 | 5578 if (nr != nc || nr != b.rows ()) |
5164 | 5579 (*current_liboctave_error_handler) |
5580 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 5581 else if (nr == 0 || b.cols () == 0) |
5582 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 5583 else |
5584 { | |
5585 // Print spparms("spumoni") info if requested | |
5586 volatile int typ = mattype.type (); | |
5587 mattype.info (); | |
5588 | |
5785 | 5589 if (typ == MatrixType::Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5590 { |
5506 | 5591 #ifdef HAVE_CHOLMOD |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5592 cholmod_common Common; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5593 cholmod_common *cm = &Common; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5594 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5595 // Setup initial parameters |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5596 CHOLMOD_NAME(start) (cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5597 cm->prefer_zomplex = false; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5598 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5599 double spu = octave_sparse_params::get_key ("spumoni"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5600 if (spu == 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5601 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5602 cm->print = -1; |
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
5603 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
|
5604 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5605 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5606 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5607 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
|
5608 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
|
5609 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5610 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5611 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
|
5612 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
|
5613 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5614 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5615 cm->final_ll = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5616 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5617 cholmod_sparse Astore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5618 cholmod_sparse *A = &Astore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5619 double dummy; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5620 A->nrow = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5621 A->ncol = nc; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5622 |
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
|
5623 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
|
5624 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
|
5625 A->nzmax = nnz (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5626 A->packed = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5627 A->sorted = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5628 A->nz = 0; |
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
5629 #ifdef USE_64_BIT_IDX_T |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5630 A->itype = CHOLMOD_LONG; |
5506 | 5631 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5632 A->itype = CHOLMOD_INT; |
5506 | 5633 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5634 A->dtype = CHOLMOD_DOUBLE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5635 A->stype = 1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5636 A->xtype = CHOLMOD_COMPLEX; |
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 if (nr < 1) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5639 A->x = &dummy; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5640 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
|
5641 A->x = data (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5642 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5643 cholmod_dense Bstore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5644 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
|
5645 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
|
5646 B->ncol = b.cols (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5647 B->d = B->nrow; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5648 B->nzmax = B->nrow * B->ncol; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5649 B->dtype = CHOLMOD_DOUBLE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5650 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
|
5651 if (nc < 1 || b.cols () < 1) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5652 B->x = &dummy; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5653 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5654 // 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
|
5655 B->x = const_cast<double *>(b.fortran_vec ()); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5656 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5657 cholmod_factor *L; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5658 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5659 L = CHOLMOD_NAME(analyze) (A, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5660 CHOLMOD_NAME(factorize) (A, L, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5661 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5662 rcond = CHOLMOD_NAME(rcond)(L, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5663 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5664 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5665 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5666 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5667 if (rcond == 0.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5668 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5669 // Either its indefinite or singular. Try UMFPACK |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5670 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5671 typ = MatrixType::Full; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5672 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5673 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5674 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5675 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5676 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5677 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5678 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5679 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5680 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5681 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5682 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5683 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5684 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5685 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5686 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5687 warn_singular_matrix (rcond); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5688 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5689 return retval; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5690 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5691 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5692 cholmod_dense *X; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5693 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5694 X = CHOLMOD_NAME(solve) (CHOLMOD_A, L, B, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5695 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5696 |
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
|
5697 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
|
5698 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
|
5699 { |
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
|
5700 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
|
5701 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
|
5702 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
|
5703 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5704 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5705 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5706 CHOLMOD_NAME(free_dense) (&X, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5707 CHOLMOD_NAME(free_factor) (&L, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5708 CHOLMOD_NAME(finish) (cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5709 static char tmp[] = " "; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5710 CHOLMOD_NAME(print_common) (tmp, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5711 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5712 } |
5506 | 5713 #else |
19410
95c533ed464b
use warning IDs for all warnings in liboctave
John W. Eaton <jwe@octave.org>
parents:
19408
diff
changeset
|
5714 (*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
|
5715 ("Octave:missing-dependency", |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5716 "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
|
5717 "when liboctave was built"); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5718 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5719 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5720 typ = MatrixType::Full; |
5506 | 5721 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5722 } |
5164 | 5723 |
5785 | 5724 if (typ == MatrixType::Full) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5725 { |
5203 | 5726 #ifdef HAVE_UMFPACK |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5727 Matrix Control, Info; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5728 void *Numeric = factorize (err, rcond, Control, Info, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5729 sing_handler, calc_cond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5730 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5731 if (err == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5732 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5733 octave_idx_type b_nr = b.rows (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5734 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5735 int status = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5736 double *control = Control.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5737 double *info = Info.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5738 const octave_idx_type *Ap = cidx (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5739 const octave_idx_type *Ai = ridx (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5740 const Complex *Ax = data (); |
5203 | 5741 #ifdef UMFPACK_SEPARATE_SPLIT |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5742 const double *Bx = b.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5743 OCTAVE_LOCAL_BUFFER (double, Bz, b_nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5744 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
|
5745 Bz[i] = 0.; |
5203 | 5746 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5747 OCTAVE_LOCAL_BUFFER (Complex, Bz, b_nr); |
5203 | 5748 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5749 retval.resize (b_nr, b_nc); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5750 Complex *Xx = retval.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5751 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5752 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
|
5753 { |
5203 | 5754 #ifdef UMFPACK_SEPARATE_SPLIT |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5755 status = UMFPACK_ZNAME (solve) (UMFPACK_A, Ap, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5756 Ai, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5757 reinterpret_cast<const double *> (Ax), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5758 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5759 reinterpret_cast<double *> (&Xx[iidx]), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5760 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5761 &Bx[iidx], Bz, Numeric, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5762 control, info); |
5203 | 5763 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5764 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
|
5765 Bz[i] = b.elem (i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5766 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5767 status = UMFPACK_ZNAME (solve) (UMFPACK_A, Ap, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5768 Ai, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5769 reinterpret_cast<const double *> (Ax), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5770 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5771 reinterpret_cast<double *> (&Xx[iidx]), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5772 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5773 reinterpret_cast<const double *> (Bz), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5774 0, Numeric, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5775 control, info); |
5203 | 5776 #endif |
5777 | |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5778 if (status < 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5779 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5780 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5781 ("SparseComplexMatrix::solve solve failed"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5782 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5783 UMFPACK_ZNAME (report_status) (control, status); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5784 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5785 err = -1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5786 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5787 break; |
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 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5790 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5791 UMFPACK_ZNAME (report_info) (control, info); |
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 UMFPACK_ZNAME (free_numeric) (&Numeric); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5794 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5795 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5796 mattype.mark_as_rectangular (); |
5681 | 5797 |
5203 | 5798 #else |
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5799 (*current_liboctave_error_handler) |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5800 ("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
|
5801 "when liboctave was built"); |
5203 | 5802 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5803 } |
5785 | 5804 else if (typ != MatrixType::Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5805 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 5806 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5807 |
5164 | 5808 return retval; |
5809 } | |
5810 | |
5811 SparseComplexMatrix | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5812 SparseComplexMatrix::fsolve (MatrixType &mattype, const SparseMatrix& b, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5813 octave_idx_type& err, double& rcond, |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5814 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5815 bool calc_cond) const |
5164 | 5816 { |
5817 SparseComplexMatrix retval; | |
5818 | |
5275 | 5819 octave_idx_type nr = rows (); |
5820 octave_idx_type nc = cols (); | |
5164 | 5821 err = 0; |
5822 | |
6924 | 5823 if (nr != nc || nr != b.rows ()) |
5164 | 5824 (*current_liboctave_error_handler) |
5825 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 5826 else if (nr == 0 || b.cols () == 0) |
5827 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 5828 else |
5829 { | |
5830 // Print spparms("spumoni") info if requested | |
5506 | 5831 volatile int typ = mattype.type (); |
5164 | 5832 mattype.info (); |
5833 | |
5785 | 5834 if (typ == MatrixType::Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5835 { |
5506 | 5836 #ifdef HAVE_CHOLMOD |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5837 cholmod_common Common; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5838 cholmod_common *cm = &Common; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5839 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5840 // Setup initial parameters |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5841 CHOLMOD_NAME(start) (cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5842 cm->prefer_zomplex = false; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5843 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5844 double spu = octave_sparse_params::get_key ("spumoni"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5845 if (spu == 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5846 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5847 cm->print = -1; |
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
5848 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
|
5849 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5850 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5851 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5852 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
|
5853 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
|
5854 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5855 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5856 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
|
5857 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
|
5858 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot); |
10314
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 cm->final_ll = true; |
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 cholmod_sparse Astore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5863 cholmod_sparse *A = &Astore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5864 double dummy; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5865 A->nrow = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5866 A->ncol = nc; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5867 |
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
|
5868 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
|
5869 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
|
5870 A->nzmax = nnz (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5871 A->packed = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5872 A->sorted = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5873 A->nz = 0; |
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
5874 #ifdef USE_64_BIT_IDX_T |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5875 A->itype = CHOLMOD_LONG; |
5506 | 5876 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5877 A->itype = CHOLMOD_INT; |
5506 | 5878 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5879 A->dtype = CHOLMOD_DOUBLE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5880 A->stype = 1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5881 A->xtype = CHOLMOD_COMPLEX; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5882 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5883 if (nr < 1) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5884 A->x = &dummy; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5885 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
|
5886 A->x = data (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5887 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5888 cholmod_sparse Bstore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5889 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
|
5890 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
|
5891 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
|
5892 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
|
5893 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
|
5894 B->nzmax = b.nnz (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5895 B->packed = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5896 B->sorted = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5897 B->nz = 0; |
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
5898 #ifdef USE_64_BIT_IDX_T |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5899 B->itype = CHOLMOD_LONG; |
5506 | 5900 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5901 B->itype = CHOLMOD_INT; |
5506 | 5902 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5903 B->dtype = CHOLMOD_DOUBLE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5904 B->stype = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5905 B->xtype = CHOLMOD_REAL; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5906 |
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
|
5907 if (b.rows () < 1 || b.cols () < 1) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5908 B->x = &dummy; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5909 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
|
5910 B->x = b.data (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5911 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5912 cholmod_factor *L; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5913 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5914 L = CHOLMOD_NAME(analyze) (A, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5915 CHOLMOD_NAME(factorize) (A, L, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5916 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5917 rcond = CHOLMOD_NAME(rcond)(L, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5918 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5919 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5920 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5921 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5922 if (rcond == 0.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5923 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5924 // Either its indefinite or singular. Try UMFPACK |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5925 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5926 typ = MatrixType::Full; |
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 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5929 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5930 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5931 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5932 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5933 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5934 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5935 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5936 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5937 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5938 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5939 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5940 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5941 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
5942 warn_singular_matrix (rcond); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5943 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5944 return retval; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5945 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5946 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5947 cholmod_sparse *X; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5948 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5949 X = CHOLMOD_NAME(spsolve) (CHOLMOD_A, L, B, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5950 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5951 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5952 retval = SparseComplexMatrix |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5953 (static_cast<octave_idx_type>(X->nrow), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5954 static_cast<octave_idx_type>(X->ncol), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5955 static_cast<octave_idx_type>(X->nzmax)); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5956 for (octave_idx_type j = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5957 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
|
5958 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>
parents:
11574
diff
changeset
|
5959 for (octave_idx_type j = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5960 j < static_cast<octave_idx_type>(X->nzmax); j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5961 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5962 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
|
5963 retval.xdata (j) = static_cast<Complex *>(X->x)[j]; |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5964 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5965 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5966 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5967 CHOLMOD_NAME(free_sparse) (&X, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
5968 CHOLMOD_NAME(free_factor) (&L, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5969 CHOLMOD_NAME(finish) (cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5970 static char tmp[] = " "; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5971 CHOLMOD_NAME(print_common) (tmp, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5972 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5973 } |
5506 | 5974 #else |
19410
95c533ed464b
use warning IDs for all warnings in liboctave
John W. Eaton <jwe@octave.org>
parents:
19408
diff
changeset
|
5975 (*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
|
5976 ("Octave:missing-dependency", |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
5977 "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
|
5978 "when liboctave was built"); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5979 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
5980 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5981 typ = MatrixType::Full; |
5506 | 5982 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5983 } |
5164 | 5984 |
5785 | 5985 if (typ == MatrixType::Full) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5986 { |
5203 | 5987 #ifdef HAVE_UMFPACK |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5988 Matrix Control, Info; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5989 void *Numeric = factorize (err, rcond, Control, Info, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5990 sing_handler, calc_cond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5991 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5992 if (err == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5993 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5994 octave_idx_type b_nr = b.rows (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5995 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5996 int status = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5997 double *control = Control.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5998 double *info = Info.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5999 const octave_idx_type *Ap = cidx (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6000 const octave_idx_type *Ai = ridx (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6001 const Complex *Ax = data (); |
5164 | 6002 |
5203 | 6003 #ifdef UMFPACK_SEPARATE_SPLIT |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6004 OCTAVE_LOCAL_BUFFER (double, Bx, b_nr); |
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
6005 OCTAVE_LOCAL_BUFFER (double, Bz, b_nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6006 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
|
6007 Bz[i] = 0.; |
5203 | 6008 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6009 OCTAVE_LOCAL_BUFFER (Complex, Bz, b_nr); |
5203 | 6010 #endif |
5164 | 6011 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
6012 // 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
|
6013 // will be as many as in b |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6014 octave_idx_type x_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6015 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6016 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
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 OCTAVE_LOCAL_BUFFER (Complex, Xx, b_nr); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6019 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6020 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6021 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
|
6022 { |
5164 | 6023 |
5203 | 6024 #ifdef UMFPACK_SEPARATE_SPLIT |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6025 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
|
6026 Bx[i] = b.elem (i, j); |
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 status = UMFPACK_ZNAME (solve) (UMFPACK_A, Ap, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6029 Ai, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6030 reinterpret_cast<const double *> (Ax), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6031 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6032 reinterpret_cast<double *> (Xx), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6033 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6034 Bx, Bz, Numeric, control, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6035 info); |
5203 | 6036 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6037 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
|
6038 Bz[i] = b.elem (i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6039 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6040 status = UMFPACK_ZNAME (solve) (UMFPACK_A, Ap, Ai, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6041 reinterpret_cast<const double *> (Ax), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6042 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6043 reinterpret_cast<double *> (Xx), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6044 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6045 reinterpret_cast<double *> (Bz), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6046 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6047 Numeric, control, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6048 info); |
5203 | 6049 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6050 if (status < 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6051 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6052 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6053 ("SparseComplexMatrix::solve solve failed"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6054 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6055 UMFPACK_ZNAME (report_status) (control, status); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6056 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6057 err = -1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6058 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6059 break; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6060 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6061 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6062 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
|
6063 { |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6064 Complex tmp = Xx[i]; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6065 if (tmp != 0.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6066 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6067 if (ii == x_nz) |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6068 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6069 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6070 octave_idx_type sz = x_nz * (b_nc - j) / b_nc; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6071 sz = (sz > 10 ? sz : 10) + x_nz; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6072 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6073 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6074 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6075 retval.xdata (ii) = tmp; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6076 retval.xridx (ii++) = i; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6077 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6078 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6079 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6080 } |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6081 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6082 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6083 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6084 UMFPACK_ZNAME (report_info) (control, info); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6085 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6086 UMFPACK_ZNAME (free_numeric) (&Numeric); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6087 } |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
6088 else |
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6089 mattype.mark_as_rectangular (); |
5681 | 6090 |
5203 | 6091 #else |
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6092 (*current_liboctave_error_handler) |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6093 ("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
|
6094 "when liboctave was built"); |
5203 | 6095 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6096 } |
5785 | 6097 else if (typ != MatrixType::Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6098 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 6099 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6100 |
5164 | 6101 return retval; |
6102 } | |
6103 | |
6104 ComplexMatrix | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6105 SparseComplexMatrix::fsolve (MatrixType &mattype, const ComplexMatrix& b, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6106 octave_idx_type& err, double& rcond, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6107 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6108 bool calc_cond) const |
5164 | 6109 { |
6110 ComplexMatrix retval; | |
6111 | |
5275 | 6112 octave_idx_type nr = rows (); |
6113 octave_idx_type nc = cols (); | |
5164 | 6114 err = 0; |
6115 | |
6924 | 6116 if (nr != nc || nr != b.rows ()) |
5164 | 6117 (*current_liboctave_error_handler) |
6118 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 6119 else if (nr == 0 || b.cols () == 0) |
6120 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
5164 | 6121 else |
6122 { | |
6123 // Print spparms("spumoni") info if requested | |
5506 | 6124 volatile int typ = mattype.type (); |
5164 | 6125 mattype.info (); |
6126 | |
5785 | 6127 if (typ == MatrixType::Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
6128 { |
5506 | 6129 #ifdef HAVE_CHOLMOD |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6130 cholmod_common Common; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
6131 cholmod_common *cm = &Common; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6132 |
07ebe522dac2
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diff
changeset
|
6133 // Setup initial parameters |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6134 CHOLMOD_NAME(start) (cm); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6135 cm->prefer_zomplex = false; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6136 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6137 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
|
6138 if (spu == 0.) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6139 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6140 cm->print = -1; |
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
parents:
18812
diff
changeset
|
6141 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
|
6142 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6143 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6144 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6145 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
|
6146 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
|
6147 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6148 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6149 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
|
6150 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
|
6151 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot); |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6152 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6153 cm->final_ll = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6154 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6155 cholmod_sparse Astore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6156 cholmod_sparse *A = &Astore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6157 double dummy; |
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6158 A->nrow = nr; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6159 A->ncol = nc; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6160 |
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
|
6161 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
|
6162 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
|
6163 A->nzmax = nnz (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6164 A->packed = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6165 A->sorted = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6166 A->nz = 0; |
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6167 #ifdef USE_64_BIT_IDX_T |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6168 A->itype = CHOLMOD_LONG; |
5506 | 6169 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6170 A->itype = CHOLMOD_INT; |
5506 | 6171 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6172 A->dtype = CHOLMOD_DOUBLE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6173 A->stype = 1; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6174 A->xtype = CHOLMOD_COMPLEX; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6175 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6176 if (nr < 1) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6177 A->x = &dummy; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6178 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
|
6179 A->x = data (); |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6180 |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6181 cholmod_dense Bstore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6182 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
|
6183 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
|
6184 B->ncol = b.cols (); |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6185 B->d = B->nrow; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6186 B->nzmax = B->nrow * B->ncol; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6187 B->dtype = CHOLMOD_DOUBLE; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6188 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
|
6189 if (nc < 1 || b.cols () < 1) |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6190 B->x = &dummy; |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6191 else |
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10158
diff
changeset
|
6192 // 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
|
6193 B->x = const_cast<Complex *>(b.fortran_vec ()); |
10314
07ebe522dac2
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|
6194 |
07ebe522dac2
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changeset
|
6195 cholmod_factor *L; |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6196 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6197 L = CHOLMOD_NAME(analyze) (A, cm); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6198 CHOLMOD_NAME(factorize) (A, L, cm); |
07ebe522dac2
untabify liboctave C++ sources
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|
6199 if (calc_cond) |
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changeset
|
6200 rcond = CHOLMOD_NAME(rcond)(L, cm); |
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untabify liboctave C++ sources
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changeset
|
6201 else |
07ebe522dac2
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diff
changeset
|
6202 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6203 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
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changeset
|
6204 |
07ebe522dac2
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changeset
|
6205 if (rcond == 0.0) |
07ebe522dac2
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changeset
|
6206 { |
07ebe522dac2
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changeset
|
6207 // Either its indefinite or singular. Try UMFPACK |
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changeset
|
6208 mattype.mark_as_unsymmetric (); |
07ebe522dac2
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changeset
|
6209 typ = MatrixType::Full; |
07ebe522dac2
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changeset
|
6210 } |
07ebe522dac2
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10158
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changeset
|
6211 else |
07ebe522dac2
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changeset
|
6212 { |
07ebe522dac2
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changeset
|
6213 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
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changeset
|
6214 |
07ebe522dac2
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changeset
|
6215 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
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changeset
|
6216 { |
07ebe522dac2
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diff
changeset
|
6217 err = -2; |
07ebe522dac2
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changeset
|
6218 |
07ebe522dac2
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changeset
|
6219 if (sing_handler) |
07ebe522dac2
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changeset
|
6220 { |
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diff
changeset
|
6221 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6222 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6223 } |
07ebe522dac2
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10158
diff
changeset
|
6224 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
6225 warn_singular_matrix (rcond); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
6226 |
10314
07ebe522dac2
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diff
changeset
|
6227 return retval; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6228 } |
07ebe522dac2
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10158
diff
changeset
|
6229 |
07ebe522dac2
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changeset
|
6230 cholmod_dense *X; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6231 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6232 X = CHOLMOD_NAME(solve) (CHOLMOD_A, L, B, cm); |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6233 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6234 |
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
|
6235 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
|
6236 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
|
6237 { |
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
|
6238 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
|
6239 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
|
6240 retval.xelem (i,j) = static_cast<Complex *>(X->x)[jr + i]; |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6241 } |
07ebe522dac2
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changeset
|
6242 |
07ebe522dac2
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diff
changeset
|
6243 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
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untabify liboctave C++ sources
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|
6244 CHOLMOD_NAME(free_dense) (&X, cm); |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6245 CHOLMOD_NAME(free_factor) (&L, cm); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6246 CHOLMOD_NAME(finish) (cm); |
07ebe522dac2
untabify liboctave C++ sources
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|
6247 static char tmp[] = " "; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6248 CHOLMOD_NAME(print_common) (tmp, cm); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6249 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
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untabify liboctave C++ sources
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diff
changeset
|
6250 } |
5506 | 6251 #else |
19410
95c533ed464b
use warning IDs for all warnings in liboctave
John W. Eaton <jwe@octave.org>
parents:
19408
diff
changeset
|
6252 (*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
|
6253 ("Octave:missing-dependency", |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6254 "support for CHOLMOD was unavailable or disabled " |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
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21100
diff
changeset
|
6255 "when liboctave was built"); |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6256 |
07ebe522dac2
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diff
changeset
|
6257 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6258 typ = MatrixType::Full; |
5506 | 6259 #endif |
10314
07ebe522dac2
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diff
changeset
|
6260 } |
5164 | 6261 |
5785 | 6262 if (typ == MatrixType::Full) |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6263 { |
5203 | 6264 #ifdef HAVE_UMFPACK |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6265 Matrix Control, Info; |
07ebe522dac2
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diff
changeset
|
6266 void *Numeric = factorize (err, rcond, Control, Info, |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6267 sing_handler, calc_cond); |
07ebe522dac2
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diff
changeset
|
6268 |
07ebe522dac2
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diff
changeset
|
6269 if (err == 0) |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6270 { |
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untabify liboctave C++ sources
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diff
changeset
|
6271 octave_idx_type b_nr = b.rows (); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6272 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6273 int status = 0; |
07ebe522dac2
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diff
changeset
|
6274 double *control = Control.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6275 double *info = Info.fortran_vec (); |
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untabify liboctave C++ sources
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|
6276 const octave_idx_type *Ap = cidx (); |
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untabify liboctave C++ sources
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|
6277 const octave_idx_type *Ai = ridx (); |
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untabify liboctave C++ sources
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|
6278 const Complex *Ax = data (); |
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changeset
|
6279 const Complex *Bx = b.fortran_vec (); |
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|
6280 |
07ebe522dac2
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changeset
|
6281 retval.resize (b_nr, b_nc); |
07ebe522dac2
untabify liboctave C++ sources
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|
6282 Complex *Xx = retval.fortran_vec (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6283 |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6284 for (octave_idx_type j = 0, iidx = 0; j < b_nc; j++, iidx += b_nr) |
07ebe522dac2
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changeset
|
6285 { |
11586
12df7854fa7c
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diff
changeset
|
6286 status = |
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
6287 UMFPACK_ZNAME (solve) (UMFPACK_A, Ap, Ai, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
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17744
diff
changeset
|
6288 reinterpret_cast<const double *> (Ax), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6289 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6290 reinterpret_cast<double *> (&Xx[iidx]), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6291 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6292 reinterpret_cast<const double *> (&Bx[iidx]), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6293 0, Numeric, control, info); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6294 |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6295 if (status < 0) |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6296 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
6297 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
6298 ("SparseComplexMatrix::solve solve failed"); |
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6299 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6300 UMFPACK_ZNAME (report_status) (control, status); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6301 |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6302 err = -1; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6303 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6304 break; |
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6305 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6306 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
6307 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6308 UMFPACK_ZNAME (report_info) (control, info); |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6309 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6310 UMFPACK_ZNAME (free_numeric) (&Numeric); |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6311 } |
07ebe522dac2
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diff
changeset
|
6312 else |
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diff
changeset
|
6313 mattype.mark_as_rectangular (); |
5681 | 6314 |
5203 | 6315 #else |
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6316 (*current_liboctave_error_handler) |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6317 ("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
|
6318 "when liboctave was built"); |
5203 | 6319 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6320 } |
5785 | 6321 else if (typ != MatrixType::Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6322 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 6323 } |
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
6324 |
5164 | 6325 return retval; |
6326 } | |
6327 | |
6328 SparseComplexMatrix | |
5785 | 6329 SparseComplexMatrix::fsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6330 octave_idx_type& err, double& rcond, |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6331 solve_singularity_handler sing_handler, |
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diff
changeset
|
6332 bool calc_cond) const |
5164 | 6333 { |
6334 SparseComplexMatrix retval; | |
6335 | |
5275 | 6336 octave_idx_type nr = rows (); |
6337 octave_idx_type nc = cols (); | |
5164 | 6338 err = 0; |
6339 | |
6924 | 6340 if (nr != nc || nr != b.rows ()) |
5164 | 6341 (*current_liboctave_error_handler) |
6342 ("matrix dimension mismatch solution of linear equations"); | |
6924 | 6343 else if (nr == 0 || b.cols () == 0) |
6344 retval = SparseComplexMatrix (nc, b.cols ()); | |
5164 | 6345 else |
6346 { | |
6347 // Print spparms("spumoni") info if requested | |
5506 | 6348 volatile int typ = mattype.type (); |
5164 | 6349 mattype.info (); |
6350 | |
5785 | 6351 if (typ == MatrixType::Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6352 { |
5506 | 6353 #ifdef HAVE_CHOLMOD |
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6354 cholmod_common Common; |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6355 cholmod_common *cm = &Common; |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6356 |
07ebe522dac2
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diff
changeset
|
6357 // Setup initial parameters |
07ebe522dac2
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changeset
|
6358 CHOLMOD_NAME(start) (cm); |
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untabify liboctave C++ sources
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changeset
|
6359 cm->prefer_zomplex = false; |
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changeset
|
6360 |
07ebe522dac2
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changeset
|
6361 double spu = octave_sparse_params::get_key ("spumoni"); |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6362 if (spu == 0.) |
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changeset
|
6363 { |
07ebe522dac2
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diff
changeset
|
6364 cm->print = -1; |
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
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18812
diff
changeset
|
6365 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, 0); |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6366 } |
07ebe522dac2
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diff
changeset
|
6367 else |
07ebe522dac2
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diff
changeset
|
6368 { |
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diff
changeset
|
6369 cm->print = static_cast<int> (spu) + 2; |
19139
afd6179d2616
allow building with new version of SuiteSparse (bug #43063)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6370 SUITESPARSE_ASSIGN_FPTR (printf_func, cm->print_function, &SparseCholPrint); |
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6371 } |
07ebe522dac2
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diff
changeset
|
6372 |
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6373 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
|
6374 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
|
6375 SUITESPARSE_ASSIGN_FPTR2 (hypot_func, cm->hypotenuse, hypot); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6376 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6377 cm->final_ll = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6378 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6379 cholmod_sparse Astore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6380 cholmod_sparse *A = &Astore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6381 double dummy; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6382 A->nrow = nr; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6383 A->ncol = nc; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6384 |
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
|
6385 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
|
6386 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
|
6387 A->nzmax = nnz (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6388 A->packed = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6389 A->sorted = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6390 A->nz = 0; |
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6391 #ifdef USE_64_BIT_IDX_T |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6392 A->itype = CHOLMOD_LONG; |
5506 | 6393 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6394 A->itype = CHOLMOD_INT; |
5506 | 6395 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6396 A->dtype = CHOLMOD_DOUBLE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6397 A->stype = 1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6398 A->xtype = CHOLMOD_COMPLEX; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6399 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6400 if (nr < 1) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6401 A->x = &dummy; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6402 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
|
6403 A->x = data (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6404 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6405 cholmod_sparse Bstore; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6406 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
|
6407 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
|
6408 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
|
6409 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
|
6410 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
|
6411 B->nzmax = b.nnz (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6412 B->packed = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6413 B->sorted = true; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6414 B->nz = 0; |
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6415 #ifdef USE_64_BIT_IDX_T |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6416 B->itype = CHOLMOD_LONG; |
5506 | 6417 #else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6418 B->itype = CHOLMOD_INT; |
5506 | 6419 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6420 B->dtype = CHOLMOD_DOUBLE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6421 B->stype = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6422 B->xtype = CHOLMOD_COMPLEX; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6423 |
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
|
6424 if (b.rows () < 1 || b.cols () < 1) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6425 B->x = &dummy; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6426 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
|
6427 B->x = b.data (); |
10314
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 cholmod_factor *L; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6430 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6431 L = CHOLMOD_NAME(analyze) (A, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6432 CHOLMOD_NAME(factorize) (A, L, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6433 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6434 rcond = CHOLMOD_NAME(rcond)(L, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6435 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6436 rcond = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6437 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6438 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6439 if (rcond == 0.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6440 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6441 // Either its indefinite or singular. Try UMFPACK |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6442 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6443 typ = MatrixType::Full; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6444 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6445 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6446 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6447 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6448 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6449 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6450 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6451 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6452 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6453 if (sing_handler) |
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 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6456 mattype.mark_as_rectangular (); |
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 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
6459 warn_singular_matrix (rcond); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6460 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6461 return retval; |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6464 cholmod_sparse *X; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6465 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6466 X = CHOLMOD_NAME(spsolve) (CHOLMOD_A, L, B, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6467 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6468 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6469 retval = SparseComplexMatrix |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6470 (static_cast<octave_idx_type>(X->nrow), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6471 static_cast<octave_idx_type>(X->ncol), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6472 static_cast<octave_idx_type>(X->nzmax)); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6473 for (octave_idx_type j = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6474 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
|
6475 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>
parents:
11574
diff
changeset
|
6476 for (octave_idx_type j = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6477 j < static_cast<octave_idx_type>(X->nzmax); j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6478 { |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6479 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
|
6480 retval.xdata (j) = static_cast<Complex *>(X->x)[j]; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6481 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6482 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6483 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6484 CHOLMOD_NAME(free_sparse) (&X, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6485 CHOLMOD_NAME(free_factor) (&L, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6486 CHOLMOD_NAME(finish) (cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6487 static char tmp[] = " "; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6488 CHOLMOD_NAME(print_common) (tmp, cm); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6489 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6490 } |
5506 | 6491 #else |
19410
95c533ed464b
use warning IDs for all warnings in liboctave
John W. Eaton <jwe@octave.org>
parents:
19408
diff
changeset
|
6492 (*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
|
6493 ("Octave:missing-dependency", |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6494 "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
|
6495 "when liboctave was built"); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6496 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6497 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6498 typ = MatrixType::Full; |
5506 | 6499 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6500 } |
5164 | 6501 |
5785 | 6502 if (typ == MatrixType::Full) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6503 { |
5203 | 6504 #ifdef HAVE_UMFPACK |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6505 Matrix Control, Info; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6506 void *Numeric = factorize (err, rcond, Control, Info, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6507 sing_handler, calc_cond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6508 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6509 if (err == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6510 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6511 octave_idx_type b_nr = b.rows (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6512 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6513 int status = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6514 double *control = Control.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6515 double *info = Info.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6516 const octave_idx_type *Ap = cidx (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6517 const octave_idx_type *Ai = ridx (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6518 const Complex *Ax = data (); |
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 OCTAVE_LOCAL_BUFFER (Complex, Bx, b_nr); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6521 |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
6522 // 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
|
6523 // will be as many as in b |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6524 octave_idx_type x_nz = b.nnz (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6525 octave_idx_type ii = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6526 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
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 OCTAVE_LOCAL_BUFFER (Complex, Xx, b_nr); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6529 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6530 retval.xcidx (0) = 0; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6531 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
|
6532 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6533 for (octave_idx_type i = 0; i < b_nr; i++) |
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
18080
diff
changeset
|
6534 Bx[i] = b(i,j); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6535 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6536 status = UMFPACK_ZNAME (solve) (UMFPACK_A, Ap, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6537 Ai, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6538 reinterpret_cast<const double *> (Ax), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6539 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6540 reinterpret_cast<double *> (Xx), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6541 0, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6542 reinterpret_cast<double *> (Bx), |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6543 0, Numeric, control, info); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6544 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6545 if (status < 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6546 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6547 (*current_liboctave_error_handler) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6548 ("SparseComplexMatrix::solve solve failed"); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6549 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6550 UMFPACK_ZNAME (report_status) (control, status); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6551 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6552 err = -1; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6553 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6554 break; |
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 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6557 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
|
6558 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6559 Complex tmp = Xx[i]; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6560 if (tmp != 0.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6561 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6562 if (ii == x_nz) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6563 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6564 // Resize the sparse matrix |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6565 octave_idx_type sz = x_nz * (b_nc - j) / b_nc; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6566 sz = (sz > 10 ? sz : 10) + x_nz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6567 retval.change_capacity (sz); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6568 x_nz = sz; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6569 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6570 retval.xdata (ii) = tmp; |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6571 retval.xridx (ii++) = i; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6572 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6573 } |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6574 retval.xcidx (j+1) = ii; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6575 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6576 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6577 retval.maybe_compress (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6578 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6579 rcond = Info (UMFPACK_RCOND); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6580 volatile double rcond_plus_one = rcond + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6581 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
6582 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:
19697
diff
changeset
|
6583 || rcond_plus_one == 1.0 || xisnan (rcond)) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6584 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6585 err = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6586 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6587 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6588 sing_handler (rcond); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6589 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21109
diff
changeset
|
6590 warn_singular_matrix (rcond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6591 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6592 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6593 UMFPACK_ZNAME (report_info) (control, info); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6594 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6595 UMFPACK_ZNAME (free_numeric) (&Numeric); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6596 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6597 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6598 mattype.mark_as_rectangular (); |
5681 | 6599 |
5203 | 6600 #else |
21109
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6601 (*current_liboctave_error_handler) |
bd1752782e56
Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
6602 ("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
|
6603 "when liboctave was built"); |
5203 | 6604 #endif |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6605 } |
5785 | 6606 else if (typ != MatrixType::Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6607 (*current_liboctave_error_handler) ("incorrect matrix type"); |
5164 | 6608 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6609 |
5164 | 6610 return retval; |
6611 } | |
6612 | |
6613 ComplexMatrix | |
5785 | 6614 SparseComplexMatrix::solve (MatrixType &mattype, const Matrix& b) const |
5164 | 6615 { |
5275 | 6616 octave_idx_type info; |
5164 | 6617 double rcond; |
6618 return solve (mattype, b, info, rcond, 0); | |
6619 } | |
6620 | |
6621 ComplexMatrix | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6622 SparseComplexMatrix::solve (MatrixType &mattype, const Matrix& b, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6623 octave_idx_type& info) const |
5164 | 6624 { |
6625 double rcond; | |
6626 return solve (mattype, b, info, rcond, 0); | |
6627 } | |
6628 | |
6629 ComplexMatrix | |
5785 | 6630 SparseComplexMatrix::solve (MatrixType &mattype, const Matrix& b, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6631 octave_idx_type& info, double& rcond) const |
5164 | 6632 { |
6633 return solve (mattype, b, info, rcond, 0); | |
6634 } | |
6635 | |
6636 ComplexMatrix | |
5785 | 6637 SparseComplexMatrix::solve (MatrixType &mattype, const Matrix& b, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6638 octave_idx_type& err, double& rcond, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6639 solve_singularity_handler sing_handler, |
07ebe522dac2
untabify liboctave C++ sources
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6640 bool singular_fallback) const |
5164 | 6641 { |
5681 | 6642 ComplexMatrix retval; |
5322 | 6643 int typ = mattype.type (false); |
5164 | 6644 |
5785 | 6645 if (typ == MatrixType::Unknown) |
5164 | 6646 typ = mattype.type (*this); |
6647 | |
5785 | 6648 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
5681 | 6649 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6650 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
5681 | 6651 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6652 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
5681 | 6653 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6654 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
5681 | 6655 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
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6656 else if (typ == MatrixType::Tridiagonal |
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6657 || typ == MatrixType::Tridiagonal_Hermitian) |
5681 | 6658 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6659 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
5681 | 6660 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
5785 | 6661 else if (typ != MatrixType::Rectangular) |
5164 | 6662 { |
5681 | 6663 (*current_liboctave_error_handler) ("unknown matrix type"); |
5164 | 6664 return ComplexMatrix (); |
6665 } | |
5681 | 6666 |
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6667 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
5681 | 6668 { |
6669 rcond = 1.; | |
6670 #ifdef USE_QRSOLVE | |
6671 retval = qrsolve (*this, b, err); | |
6672 #else | |
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6673 retval = dmsolve<ComplexMatrix, SparseComplexMatrix, Matrix> |
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6674 (*this, b, err); |
5681 | 6675 #endif |
6676 } | |
6677 | |
6678 return retval; | |
5164 | 6679 } |
6680 | |
6681 SparseComplexMatrix | |
5785 | 6682 SparseComplexMatrix::solve (MatrixType &mattype, const SparseMatrix& b) const |
5164 | 6683 { |
5275 | 6684 octave_idx_type info; |
5164 | 6685 double rcond; |
6686 return solve (mattype, b, info, rcond, 0); | |
6687 } | |
6688 | |
6689 SparseComplexMatrix | |
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6690 SparseComplexMatrix::solve (MatrixType &mattype, const SparseMatrix& b, |
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6691 octave_idx_type& info) const |
5164 | 6692 { |
6693 double rcond; | |
6694 return solve (mattype, b, info, rcond, 0); | |
6695 } | |
6696 | |
6697 SparseComplexMatrix | |
5785 | 6698 SparseComplexMatrix::solve (MatrixType &mattype, const SparseMatrix& b, |
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6699 octave_idx_type& info, double& rcond) const |
5164 | 6700 { |
6701 return solve (mattype, b, info, rcond, 0); | |
6702 } | |
6703 | |
6704 SparseComplexMatrix | |
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6705 SparseComplexMatrix::solve (MatrixType &mattype, const SparseMatrix& b, |
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6706 octave_idx_type& err, double& rcond, |
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6707 solve_singularity_handler sing_handler, |
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6708 bool singular_fallback) const |
5164 | 6709 { |
5681 | 6710 SparseComplexMatrix retval; |
5322 | 6711 int typ = mattype.type (false); |
5164 | 6712 |
5785 | 6713 if (typ == MatrixType::Unknown) |
5164 | 6714 typ = mattype.type (*this); |
6715 | |
5785 | 6716 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
5681 | 6717 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6718 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
5681 | 6719 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6720 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
5681 | 6721 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6722 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
5681 | 6723 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
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6724 else if (typ == MatrixType::Tridiagonal |
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6725 || typ == MatrixType::Tridiagonal_Hermitian) |
5681 | 6726 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6727 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
5681 | 6728 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
5785 | 6729 else if (typ != MatrixType::Rectangular) |
5164 | 6730 { |
5681 | 6731 (*current_liboctave_error_handler) ("unknown matrix type"); |
5164 | 6732 return SparseComplexMatrix (); |
6733 } | |
5681 | 6734 |
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6735 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
5681 | 6736 { |
6737 rcond = 1.; | |
6738 #ifdef USE_QRSOLVE | |
6739 retval = qrsolve (*this, b, err); | |
6740 #else | |
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6741 retval = dmsolve<SparseComplexMatrix, SparseComplexMatrix, SparseMatrix> |
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6742 (*this, b, err); |
5681 | 6743 #endif |
6744 } | |
6745 | |
6746 return retval; | |
5164 | 6747 } |
6748 | |
6749 ComplexMatrix | |
5785 | 6750 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexMatrix& b) const |
5164 | 6751 { |
5275 | 6752 octave_idx_type info; |
5164 | 6753 double rcond; |
6754 return solve (mattype, b, info, rcond, 0); | |
6755 } | |
6756 | |
6757 ComplexMatrix | |
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6758 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexMatrix& b, |
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6759 octave_idx_type& info) const |
5164 | 6760 { |
6761 double rcond; | |
6762 return solve (mattype, b, info, rcond, 0); | |
6763 } | |
6764 | |
6765 ComplexMatrix | |
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6766 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexMatrix& b, |
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6767 octave_idx_type& info, double& rcond) const |
5164 | 6768 { |
6769 return solve (mattype, b, info, rcond, 0); | |
6770 } | |
6771 | |
6772 ComplexMatrix | |
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6773 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexMatrix& b, |
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6774 octave_idx_type& err, double& rcond, |
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6775 solve_singularity_handler sing_handler, |
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6776 bool singular_fallback) const |
5164 | 6777 { |
5681 | 6778 ComplexMatrix retval; |
5322 | 6779 int typ = mattype.type (false); |
5164 | 6780 |
5785 | 6781 if (typ == MatrixType::Unknown) |
5164 | 6782 typ = mattype.type (*this); |
6783 | |
5785 | 6784 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
5681 | 6785 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6786 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
5681 | 6787 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6788 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
5681 | 6789 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6790 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
5681 | 6791 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
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6792 else if (typ == MatrixType::Tridiagonal |
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6793 || typ == MatrixType::Tridiagonal_Hermitian) |
5681 | 6794 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6795 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
5681 | 6796 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
5785 | 6797 else if (typ != MatrixType::Rectangular) |
5164 | 6798 { |
5681 | 6799 (*current_liboctave_error_handler) ("unknown matrix type"); |
5164 | 6800 return ComplexMatrix (); |
6801 } | |
5681 | 6802 |
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6803 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
5681 | 6804 { |
6805 rcond = 1.; | |
6806 #ifdef USE_QRSOLVE | |
6807 retval = qrsolve (*this, b, err); | |
6808 #else | |
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6809 retval = dmsolve<ComplexMatrix, SparseComplexMatrix, ComplexMatrix> |
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6810 (*this, b, err); |
5681 | 6811 #endif |
6812 } | |
6813 | |
6814 return retval; | |
5164 | 6815 } |
6816 | |
6817 SparseComplexMatrix | |
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6818 SparseComplexMatrix::solve (MatrixType &mattype, |
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6819 const SparseComplexMatrix& b) const |
5164 | 6820 { |
5275 | 6821 octave_idx_type info; |
5164 | 6822 double rcond; |
6823 return solve (mattype, b, info, rcond, 0); | |
6824 } | |
6825 | |
6826 SparseComplexMatrix | |
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6827 SparseComplexMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b, |
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6828 octave_idx_type& info) const |
5164 | 6829 { |
6830 double rcond; | |
6831 return solve (mattype, b, info, rcond, 0); | |
6832 } | |
6833 | |
6834 SparseComplexMatrix | |
5785 | 6835 SparseComplexMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b, |
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6836 octave_idx_type& info, double& rcond) const |
5164 | 6837 { |
6838 return solve (mattype, b, info, rcond, 0); | |
6839 } | |
6840 | |
6841 SparseComplexMatrix | |
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6842 SparseComplexMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b, |
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6843 octave_idx_type& err, double& rcond, |
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6844 solve_singularity_handler sing_handler, |
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6845 bool singular_fallback) const |
5164 | 6846 { |
5681 | 6847 SparseComplexMatrix retval; |
5322 | 6848 int typ = mattype.type (false); |
5164 | 6849 |
5785 | 6850 if (typ == MatrixType::Unknown) |
5164 | 6851 typ = mattype.type (*this); |
6852 | |
5785 | 6853 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
5681 | 6854 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6855 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
5681 | 6856 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6857 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
5681 | 6858 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6859 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
5681 | 6860 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
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6861 else if (typ == MatrixType::Tridiagonal |
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6862 || typ == MatrixType::Tridiagonal_Hermitian) |
5681 | 6863 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
5785 | 6864 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
5681 | 6865 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
5785 | 6866 else if (typ != MatrixType::Rectangular) |
5164 | 6867 { |
5681 | 6868 (*current_liboctave_error_handler) ("unknown matrix type"); |
5164 | 6869 return SparseComplexMatrix (); |
6870 } | |
5681 | 6871 |
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6872 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
5681 | 6873 { |
6874 rcond = 1.; | |
6875 #ifdef USE_QRSOLVE | |
6876 retval = qrsolve (*this, b, err); | |
6877 #else | |
6878 retval = dmsolve<SparseComplexMatrix, SparseComplexMatrix, | |
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6879 SparseComplexMatrix> (*this, b, err); |
5681 | 6880 #endif |
6881 } | |
6882 | |
6883 return retval; | |
5164 | 6884 } |
6885 | |
6886 ComplexColumnVector | |
5785 | 6887 SparseComplexMatrix::solve (MatrixType &mattype, const ColumnVector& b) const |
5164 | 6888 { |
5275 | 6889 octave_idx_type info; double rcond; |
5164 | 6890 return solve (mattype, b, info, rcond); |
6891 } | |
6892 | |
6893 ComplexColumnVector | |
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6894 SparseComplexMatrix::solve (MatrixType &mattype, const ColumnVector& b, |
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6895 octave_idx_type& info) const |
5164 | 6896 { |
6897 double rcond; | |
6898 return solve (mattype, b, info, rcond); | |
6899 } | |
6900 | |
6901 ComplexColumnVector | |
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6902 SparseComplexMatrix::solve (MatrixType &mattype, const ColumnVector& b, |
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6903 octave_idx_type& info, double& rcond) const |
5164 | 6904 { |
6905 return solve (mattype, b, info, rcond, 0); | |
6906 } | |
6907 | |
6908 ComplexColumnVector | |
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6909 SparseComplexMatrix::solve (MatrixType &mattype, const ColumnVector& b, |
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6910 octave_idx_type& info, double& rcond, |
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6911 solve_singularity_handler sing_handler) const |
5164 | 6912 { |
6913 Matrix tmp (b); | |
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6914 return solve (mattype, tmp, info, rcond, |
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6915 sing_handler).column (static_cast<octave_idx_type> (0)); |
5164 | 6916 } |
6917 | |
6918 ComplexColumnVector | |
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6919 SparseComplexMatrix::solve (MatrixType &mattype, |
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6920 const ComplexColumnVector& b) const |
5164 | 6921 { |
5275 | 6922 octave_idx_type info; |
5164 | 6923 double rcond; |
6924 return solve (mattype, b, info, rcond, 0); | |
6925 } | |
6926 | |
6927 ComplexColumnVector | |
5785 | 6928 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b, |
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6929 octave_idx_type& info) const |
5164 | 6930 { |
6931 double rcond; | |
6932 return solve (mattype, b, info, rcond, 0); | |
6933 } | |
6934 | |
6935 ComplexColumnVector | |
5785 | 6936 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b, |
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6937 octave_idx_type& info, double& rcond) const |
5164 | 6938 { |
6939 return solve (mattype, b, info, rcond, 0); | |
6940 } | |
6941 | |
6942 ComplexColumnVector | |
5785 | 6943 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b, |
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6944 octave_idx_type& info, double& rcond, |
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6945 solve_singularity_handler sing_handler) const |
5164 | 6946 { |
6947 ComplexMatrix tmp (b); | |
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6948 return solve (mattype, tmp, info, rcond, |
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|
6949 sing_handler).column (static_cast<octave_idx_type> (0)); |
5164 | 6950 } |
6951 | |
6952 ComplexMatrix | |
6953 SparseComplexMatrix::solve (const Matrix& b) const | |
6954 { | |
5275 | 6955 octave_idx_type info; |
5164 | 6956 double rcond; |
6957 return solve (b, info, rcond, 0); | |
6958 } | |
6959 | |
6960 ComplexMatrix | |
5275 | 6961 SparseComplexMatrix::solve (const Matrix& b, octave_idx_type& info) const |
5164 | 6962 { |
6963 double rcond; | |
6964 return solve (b, info, rcond, 0); | |
6965 } | |
6966 | |
6967 ComplexMatrix | |
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|
6968 SparseComplexMatrix::solve (const Matrix& b, octave_idx_type& info, |
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6969 double& rcond) const |
5164 | 6970 { |
6971 return solve (b, info, rcond, 0); | |
6972 } | |
6973 | |
6974 ComplexMatrix | |
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6975 SparseComplexMatrix::solve (const Matrix& b, octave_idx_type& err, |
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6976 double& rcond, |
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|
6977 solve_singularity_handler sing_handler) const |
5164 | 6978 { |
5785 | 6979 MatrixType mattype (*this); |
5164 | 6980 return solve (mattype, b, err, rcond, sing_handler); |
6981 } | |
6982 | |
6983 SparseComplexMatrix | |
6984 SparseComplexMatrix::solve (const SparseMatrix& b) const | |
6985 { | |
5275 | 6986 octave_idx_type info; |
5164 | 6987 double rcond; |
6988 return solve (b, info, rcond, 0); | |
6989 } | |
6990 | |
6991 SparseComplexMatrix | |
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6992 SparseComplexMatrix::solve (const SparseMatrix& b, |
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|
6993 octave_idx_type& info) const |
5164 | 6994 { |
6995 double rcond; | |
6996 return solve (b, info, rcond, 0); | |
6997 } | |
6998 | |
6999 SparseComplexMatrix | |
7000 SparseComplexMatrix::solve (const SparseMatrix& b, | |
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7001 octave_idx_type& info, double& rcond) const |
5164 | 7002 { |
7003 return solve (b, info, rcond, 0); | |
7004 } | |
7005 | |
7006 SparseComplexMatrix | |
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7007 SparseComplexMatrix::solve (const SparseMatrix& b, |
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7008 octave_idx_type& err, double& rcond, |
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7009 solve_singularity_handler sing_handler) const |
5164 | 7010 { |
5785 | 7011 MatrixType mattype (*this); |
5164 | 7012 return solve (mattype, b, err, rcond, sing_handler); |
7013 } | |
7014 | |
7015 ComplexMatrix | |
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7016 SparseComplexMatrix::solve (const ComplexMatrix& b, |
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7017 octave_idx_type& info) const |
5164 | 7018 { |
7019 double rcond; | |
7020 return solve (b, info, rcond, 0); | |
7021 } | |
7022 | |
7023 ComplexMatrix | |
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7024 SparseComplexMatrix::solve (const ComplexMatrix& b, |
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7025 octave_idx_type& info, double& rcond) const |
5164 | 7026 { |
7027 return solve (b, info, rcond, 0); | |
7028 } | |
7029 | |
7030 ComplexMatrix | |
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7031 SparseComplexMatrix::solve (const ComplexMatrix& b, |
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7032 octave_idx_type& err, double& rcond, |
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7033 solve_singularity_handler sing_handler) const |
5164 | 7034 { |
5785 | 7035 MatrixType mattype (*this); |
5164 | 7036 return solve (mattype, b, err, rcond, sing_handler); |
7037 } | |
7038 | |
7039 SparseComplexMatrix | |
7040 SparseComplexMatrix::solve (const SparseComplexMatrix& b) const | |
7041 { | |
5275 | 7042 octave_idx_type info; |
5164 | 7043 double rcond; |
7044 return solve (b, info, rcond, 0); | |
7045 } | |
7046 | |
7047 SparseComplexMatrix | |
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7048 SparseComplexMatrix::solve (const SparseComplexMatrix& b, |
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|
7049 octave_idx_type& info) const |
5164 | 7050 { |
7051 double rcond; | |
7052 return solve (b, info, rcond, 0); | |
7053 } | |
7054 | |
7055 SparseComplexMatrix | |
7056 SparseComplexMatrix::solve (const SparseComplexMatrix& b, | |
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|
7057 octave_idx_type& info, double& rcond) const |
5164 | 7058 { |
7059 return solve (b, info, rcond, 0); | |
7060 } | |
7061 | |
7062 SparseComplexMatrix | |
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7063 SparseComplexMatrix::solve (const SparseComplexMatrix& b, |
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|
7064 octave_idx_type& err, double& rcond, |
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|
7065 solve_singularity_handler sing_handler) const |
5164 | 7066 { |
5785 | 7067 MatrixType mattype (*this); |
5164 | 7068 return solve (mattype, b, err, rcond, sing_handler); |
7069 } | |
7070 | |
7071 ComplexColumnVector | |
7072 SparseComplexMatrix::solve (const ColumnVector& b) const | |
7073 { | |
5275 | 7074 octave_idx_type info; double rcond; |
5164 | 7075 return solve (b, info, rcond); |
7076 } | |
7077 | |
7078 ComplexColumnVector | |
5275 | 7079 SparseComplexMatrix::solve (const ColumnVector& b, octave_idx_type& info) const |
5164 | 7080 { |
7081 double rcond; | |
7082 return solve (b, info, rcond); | |
7083 } | |
7084 | |
7085 ComplexColumnVector | |
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7086 SparseComplexMatrix::solve (const ColumnVector& b, octave_idx_type& info, |
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|
7087 double& rcond) const |
5164 | 7088 { |
7089 return solve (b, info, rcond, 0); | |
7090 } | |
7091 | |
7092 ComplexColumnVector | |
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|
7093 SparseComplexMatrix::solve (const ColumnVector& b, octave_idx_type& info, |
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|
7094 double& rcond, |
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|
7095 solve_singularity_handler sing_handler) const |
5164 | 7096 { |
7097 Matrix tmp (b); | |
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|
7098 return solve (tmp, info, rcond, |
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changeset
|
7099 sing_handler).column (static_cast<octave_idx_type> (0)); |
5164 | 7100 } |
7101 | |
7102 ComplexColumnVector | |
7103 SparseComplexMatrix::solve (const ComplexColumnVector& b) const | |
7104 { | |
5275 | 7105 octave_idx_type info; |
5164 | 7106 double rcond; |
7107 return solve (b, info, rcond, 0); | |
7108 } | |
7109 | |
7110 ComplexColumnVector | |
17769
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|
7111 SparseComplexMatrix::solve (const ComplexColumnVector& b, |
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|
7112 octave_idx_type& info) const |
5164 | 7113 { |
7114 double rcond; | |
7115 return solve (b, info, rcond, 0); | |
7116 } | |
7117 | |
7118 ComplexColumnVector | |
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7119 SparseComplexMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info, |
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|
7120 double& rcond) const |
5164 | 7121 { |
7122 return solve (b, info, rcond, 0); | |
7123 } | |
7124 | |
7125 ComplexColumnVector | |
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|
7126 SparseComplexMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info, |
10314
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|
7127 double& rcond, |
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|
7128 solve_singularity_handler sing_handler) const |
5164 | 7129 { |
7130 ComplexMatrix tmp (b); | |
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|
7131 return solve (tmp, info, rcond, |
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|
7132 sing_handler).column (static_cast<octave_idx_type> (0)); |
5164 | 7133 } |
7134 | |
7135 // unary operations | |
7136 SparseBoolMatrix | |
7137 SparseComplexMatrix::operator ! (void) const | |
7138 { | |
11130
7c573eb981eb
consistently give error for operator not applied to NaN values
John W. Eaton <jwe@octave.org>
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diff
changeset
|
7139 if (any_element_is_nan ()) |
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
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changeset
|
7140 err_nan_to_logical_conversion (); |
11130
7c573eb981eb
consistently give error for operator not applied to NaN values
John W. Eaton <jwe@octave.org>
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diff
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|
7141 |
5275 | 7142 octave_idx_type nr = rows (); |
7143 octave_idx_type nc = cols (); | |
5681 | 7144 octave_idx_type nz1 = nnz (); |
5275 | 7145 octave_idx_type nz2 = nr*nc - nz1; |
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|
7146 |
5164 | 7147 SparseBoolMatrix r (nr, nc, nz2); |
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|
7148 |
5275 | 7149 octave_idx_type ii = 0; |
7150 octave_idx_type jj = 0; | |
5164 | 7151 r.cidx (0) = 0; |
5275 | 7152 for (octave_idx_type i = 0; i < nc; i++) |
5164 | 7153 { |
5275 | 7154 for (octave_idx_type j = 0; j < nr; j++) |
10314
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untabify liboctave C++ sources
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|
7155 { |
15018
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diff
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|
7156 if (jj < cidx (i+1) && ridx (jj) == j) |
10314
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|
7157 jj++; |
07ebe522dac2
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|
7158 else |
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untabify liboctave C++ sources
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changeset
|
7159 { |
15018
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14846
diff
changeset
|
7160 r.data (ii) = true; |
3d8ace26c5b4
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diff
changeset
|
7161 r.ridx (ii++) = j; |
10314
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changeset
|
7162 } |
07ebe522dac2
untabify liboctave C++ sources
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|
7163 } |
5164 | 7164 r.cidx (i+1) = ii; |
7165 } | |
7166 | |
7167 return r; | |
7168 } | |
7169 | |
11586
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|
7170 SparseComplexMatrix |
5164 | 7171 SparseComplexMatrix::squeeze (void) const |
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|
7172 { |
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|
7173 return MSparse<Complex>::squeeze (); |
5164 | 7174 } |
7175 | |
7176 SparseComplexMatrix | |
7177 SparseComplexMatrix::reshape (const dim_vector& new_dims) const | |
7178 { | |
7179 return MSparse<Complex>::reshape (new_dims); | |
7180 } | |
7181 | |
7182 SparseComplexMatrix | |
5275 | 7183 SparseComplexMatrix::permute (const Array<octave_idx_type>& vec, bool inv) const |
5164 | 7184 { |
7185 return MSparse<Complex>::permute (vec, inv); | |
7186 } | |
7187 | |
7188 SparseComplexMatrix | |
5275 | 7189 SparseComplexMatrix::ipermute (const Array<octave_idx_type>& vec) const |
5164 | 7190 { |
7191 return MSparse<Complex>::ipermute (vec); | |
7192 } | |
7193 | |
7194 // other operations | |
7195 | |
7196 bool | |
7922
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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7802
diff
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|
7197 SparseComplexMatrix::any_element_is_nan (void) const |
935be827eaf8
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7802
diff
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|
7198 { |
935be827eaf8
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|
7199 octave_idx_type nel = nnz (); |
935be827eaf8
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7802
diff
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|
7200 |
935be827eaf8
error for NaN values in & and | expressions
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|
7201 for (octave_idx_type i = 0; i < nel; i++) |
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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7802
diff
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|
7202 { |
935be827eaf8
error for NaN values in & and | expressions
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7802
diff
changeset
|
7203 Complex val = data (i); |
935be827eaf8
error for NaN values in & and | expressions
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diff
changeset
|
7204 if (xisnan (val)) |
10314
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|
7205 return true; |
7922
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7802
diff
changeset
|
7206 } |
935be827eaf8
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|
7207 |
935be827eaf8
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|
7208 return false; |
935be827eaf8
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7802
diff
changeset
|
7209 } |
935be827eaf8
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7802
diff
changeset
|
7210 |
935be827eaf8
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|
7211 bool |
5164 | 7212 SparseComplexMatrix::any_element_is_inf_or_nan (void) const |
7213 { | |
5681 | 7214 octave_idx_type nel = nnz (); |
5275 | 7215 |
7216 for (octave_idx_type i = 0; i < nel; i++) | |
5164 | 7217 { |
7218 Complex val = data (i); | |
7219 if (xisinf (val) || xisnan (val)) | |
10314
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|
7220 return true; |
5164 | 7221 } |
7222 | |
7223 return false; | |
7224 } | |
7225 | |
7226 // Return true if no elements have imaginary components. | |
7227 | |
7228 bool | |
7229 SparseComplexMatrix::all_elements_are_real (void) const | |
7230 { | |
9825
7483fe200fab
narrow complex values with negative zero imaginary parts
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7231 return mx_inline_all_real (nnz (), data ()); |
5164 | 7232 } |
7233 | |
7234 // Return nonzero if any element of CM has a non-integer real or | |
7235 // imaginary part. Also extract the largest and smallest (real or | |
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changeset
|
7236 // imaginary) values and return them in MAX_VAL and MIN_VAL. |
5164 | 7237 |
7238 bool | |
7239 SparseComplexMatrix::all_integers (double& max_val, double& min_val) const | |
7240 { | |
5681 | 7241 octave_idx_type nel = nnz (); |
5164 | 7242 |
7243 if (nel == 0) | |
7244 return false; | |
7245 | |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7246 max_val = std::real (data (0)); |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7247 min_val = std::real (data (0)); |
5164 | 7248 |
5275 | 7249 for (octave_idx_type i = 0; i < nel; i++) |
5164 | 7250 { |
17769
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7251 Complex val = data (i); |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7252 |
49a5a4be04a1
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parents:
17744
diff
changeset
|
7253 double r_val = std::real (val); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7254 double i_val = std::imag (val); |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7255 |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7256 if (r_val > max_val) |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7257 max_val = r_val; |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7258 |
49a5a4be04a1
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parents:
17744
diff
changeset
|
7259 if (i_val > max_val) |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7260 max_val = i_val; |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7261 |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7262 if (r_val < min_val) |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7263 min_val = r_val; |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7264 |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
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parents:
17744
diff
changeset
|
7265 if (i_val < min_val) |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7266 min_val = i_val; |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7267 |
49a5a4be04a1
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parents:
17744
diff
changeset
|
7268 if (D_NINT (r_val) != r_val || D_NINT (i_val) != i_val) |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7269 return false; |
5164 | 7270 } |
7271 | |
7272 return true; | |
7273 } | |
7274 | |
7275 bool | |
7276 SparseComplexMatrix::too_large_for_float (void) const | |
7277 { | |
15212
4bbd3bbb8912
reduce code duplication in too_large_for_float array functions
John W. Eaton <jwe@octave.org>
parents:
15018
diff
changeset
|
7278 return test_any (xtoo_large_for_float); |
5164 | 7279 } |
7280 | |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7281 // FIXME: Do these really belong here? Maybe they should be in a base class? |
5164 | 7282 |
7283 SparseBoolMatrix | |
7284 SparseComplexMatrix::all (int dim) const | |
7285 { | |
7286 SPARSE_ALL_OP (dim); | |
7287 } | |
7288 | |
7289 SparseBoolMatrix | |
7290 SparseComplexMatrix::any (int dim) const | |
7291 { | |
7292 SPARSE_ANY_OP (dim); | |
7293 } | |
7294 | |
7295 SparseComplexMatrix | |
7296 SparseComplexMatrix::cumprod (int dim) const | |
7297 { | |
7298 SPARSE_CUMPROD (SparseComplexMatrix, Complex, cumprod); | |
7299 } | |
7300 | |
7301 SparseComplexMatrix | |
7302 SparseComplexMatrix::cumsum (int dim) const | |
7303 { | |
7304 SPARSE_CUMSUM (SparseComplexMatrix, Complex, cumsum); | |
7305 } | |
7306 | |
7307 SparseComplexMatrix | |
7308 SparseComplexMatrix::prod (int dim) const | |
7309 { | |
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
|
7310 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
|
7311 return transpose (). prod (0). transpose (); |
7269 | 7312 else |
7313 { | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7314 SPARSE_REDUCTION_OP (SparseComplexMatrix, Complex, *=, |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7315 (cidx (j+1) - cidx (j) < nr ? 0.0 : 1.0), 1.0); |
7269 | 7316 } |
5164 | 7317 } |
7318 | |
7319 SparseComplexMatrix | |
7320 SparseComplexMatrix::sum (int dim) const | |
7321 { | |
7322 SPARSE_REDUCTION_OP (SparseComplexMatrix, Complex, +=, 0.0, 0.0); | |
7323 } | |
7324 | |
7325 SparseComplexMatrix | |
7326 SparseComplexMatrix::sumsq (int dim) const | |
7327 { | |
7328 #define ROW_EXPR \ | |
7269 | 7329 Complex d = data (i); \ |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7330 tmp[ridx (i)] += d * conj (d) |
5164 | 7331 |
7332 #define COL_EXPR \ | |
7269 | 7333 Complex d = data (i); \ |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7334 tmp[j] += d * conj (d) |
5164 | 7335 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7336 SPARSE_BASE_REDUCTION_OP (SparseComplexMatrix, Complex, ROW_EXPR, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7337 COL_EXPR, 0.0, 0.0); |
5164 | 7338 |
7339 #undef ROW_EXPR | |
7340 #undef COL_EXPR | |
7341 } | |
7342 | |
7343 SparseMatrix SparseComplexMatrix::abs (void) const | |
7344 { | |
5681 | 7345 octave_idx_type nz = nnz (); |
5275 | 7346 octave_idx_type nc = cols (); |
5164 | 7347 |
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
|
7348 SparseMatrix retval (rows (), nc, nz); |
5164 | 7349 |
5275 | 7350 for (octave_idx_type i = 0; i < nc + 1; i++) |
5164 | 7351 retval.cidx (i) = cidx (i); |
7352 | |
5275 | 7353 for (octave_idx_type i = 0; i < nz; i++) |
5164 | 7354 { |
5261 | 7355 retval.data (i) = std::abs (data (i)); |
5164 | 7356 retval.ridx (i) = ridx (i); |
7357 } | |
7358 | |
7359 return retval; | |
7360 } | |
7361 | |
7362 SparseComplexMatrix | |
5275 | 7363 SparseComplexMatrix::diag (octave_idx_type k) const |
5164 | 7364 { |
7620
36594d5bbe13
Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents:
7602
diff
changeset
|
7365 return MSparse<Complex>::diag (k); |
5164 | 7366 } |
7367 | |
7368 std::ostream& | |
7369 operator << (std::ostream& os, const SparseComplexMatrix& a) | |
7370 { | |
5275 | 7371 octave_idx_type nc = a.cols (); |
5164 | 7372 |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7373 // 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
|
7374 // 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
|
7375 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
|
7376 { |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7377 octave_quit (); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7378 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
|
7379 { |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7380 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
|
7381 octave_write_complex (os, a.data (i)); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7382 os << "\n"; |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7383 } |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7384 } |
5164 | 7385 |
7386 return os; | |
7387 } | |
7388 | |
7389 std::istream& | |
7390 operator >> (std::istream& is, SparseComplexMatrix& a) | |
7391 { | |
9469
c6edba80dfae
sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents:
9417
diff
changeset
|
7392 typedef SparseComplexMatrix::element_type elt_type; |
c6edba80dfae
sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents:
9417
diff
changeset
|
7393 |
c6edba80dfae
sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents:
9417
diff
changeset
|
7394 return read_sparse_matrix<elt_type> (is, a, octave_read_value<Complex>); |
5164 | 7395 } |
7396 | |
7397 SparseComplexMatrix | |
7398 operator * (const SparseComplexMatrix& m, const SparseMatrix& a) | |
7399 { | |
5681 | 7400 SPARSE_SPARSE_MUL (SparseComplexMatrix, Complex, double); |
5164 | 7401 } |
7402 | |
7403 SparseComplexMatrix | |
7404 operator * (const SparseMatrix& m, const SparseComplexMatrix& a) | |
7405 { | |
5681 | 7406 SPARSE_SPARSE_MUL (SparseComplexMatrix, Complex, Complex); |
5164 | 7407 } |
7408 | |
7409 SparseComplexMatrix | |
7410 operator * (const SparseComplexMatrix& m, const SparseComplexMatrix& a) | |
7411 { | |
5681 | 7412 SPARSE_SPARSE_MUL (SparseComplexMatrix, Complex, Complex); |
5164 | 7413 } |
7414 | |
5429 | 7415 ComplexMatrix |
7416 operator * (const ComplexMatrix& m, const SparseMatrix& a) | |
7417 { | |
5681 | 7418 FULL_SPARSE_MUL (ComplexMatrix, double, Complex (0.,0.)); |
5429 | 7419 } |
7420 | |
7421 ComplexMatrix | |
7422 operator * (const Matrix& m, const SparseComplexMatrix& a) | |
7423 { | |
5681 | 7424 FULL_SPARSE_MUL (ComplexMatrix, Complex, Complex (0.,0.)); |
5429 | 7425 } |
7426 | |
7427 ComplexMatrix | |
7428 operator * (const ComplexMatrix& m, const SparseComplexMatrix& a) | |
7429 { | |
5681 | 7430 FULL_SPARSE_MUL (ComplexMatrix, Complex, Complex (0.,0.)); |
5429 | 7431 } |
7432 | |
7433 ComplexMatrix | |
7802
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7434 mul_trans (const ComplexMatrix& m, const SparseComplexMatrix& a) |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7435 { |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7436 FULL_SPARSE_MUL_TRANS (ComplexMatrix, Complex, Complex (0.,0.), ); |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7437 } |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7438 |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7439 ComplexMatrix |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7440 mul_herm (const ComplexMatrix& m, const SparseComplexMatrix& a) |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7441 { |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7442 FULL_SPARSE_MUL_TRANS (ComplexMatrix, Complex, Complex (0.,0.), conj); |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7443 } |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7444 |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7445 ComplexMatrix |
5429 | 7446 operator * (const SparseComplexMatrix& m, const Matrix& a) |
7447 { | |
5681 | 7448 SPARSE_FULL_MUL (ComplexMatrix, double, Complex (0.,0.)); |
5429 | 7449 } |
7450 | |
7451 ComplexMatrix | |
7452 operator * (const SparseMatrix& m, const ComplexMatrix& a) | |
7453 { | |
5681 | 7454 SPARSE_FULL_MUL (ComplexMatrix, Complex, Complex (0.,0.)); |
5429 | 7455 } |
7456 | |
7457 ComplexMatrix | |
7458 operator * (const SparseComplexMatrix& m, const ComplexMatrix& a) | |
7459 { | |
5681 | 7460 SPARSE_FULL_MUL (ComplexMatrix, Complex, Complex (0.,0.)); |
5429 | 7461 } |
7462 | |
7802
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7463 ComplexMatrix |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7464 trans_mul (const SparseComplexMatrix& m, const ComplexMatrix& a) |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7465 { |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7466 SPARSE_FULL_TRANS_MUL (ComplexMatrix, Complex, Complex (0.,0.), ); |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7467 } |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7468 |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7469 ComplexMatrix |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7470 herm_mul (const SparseComplexMatrix& m, const ComplexMatrix& a) |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7471 { |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7472 SPARSE_FULL_TRANS_MUL (ComplexMatrix, Complex, Complex (0.,0.), conj); |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7473 } |
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7474 |
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7475 // diag * sparse and sparse * diag |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7476 SparseComplexMatrix |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7477 operator * (const DiagMatrix& d, const SparseComplexMatrix& a) |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7478 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7479 return do_mul_dm_sm<SparseComplexMatrix> (d, a); |
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7480 } |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7481 SparseComplexMatrix |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7482 operator * (const SparseComplexMatrix& a, const DiagMatrix& d) |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7483 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7484 return do_mul_sm_dm<SparseComplexMatrix> (a, d); |
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7485 } |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7486 |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7487 SparseComplexMatrix |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7488 operator * (const ComplexDiagMatrix& d, const SparseMatrix& a) |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7489 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7490 return do_mul_dm_sm<SparseComplexMatrix> (d, a); |
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7491 } |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7492 SparseComplexMatrix |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7493 operator * (const SparseMatrix& a, const ComplexDiagMatrix& d) |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7494 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7495 return do_mul_sm_dm<SparseComplexMatrix> (a, d); |
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7496 } |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7497 |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7498 SparseComplexMatrix |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7499 operator * (const ComplexDiagMatrix& d, const SparseComplexMatrix& a) |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7500 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7501 return do_mul_dm_sm<SparseComplexMatrix> (d, a); |
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7502 } |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7503 SparseComplexMatrix |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7504 operator * (const SparseComplexMatrix& a, const ComplexDiagMatrix& d) |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7505 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7506 return do_mul_sm_dm<SparseComplexMatrix> (a, d); |
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7507 } |
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7508 |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7509 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7510 operator + (const ComplexDiagMatrix& d, const SparseMatrix& a) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7511 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7512 return do_add_dm_sm<SparseComplexMatrix> (d, a); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7513 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7514 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7515 operator + (const DiagMatrix& d, const SparseComplexMatrix& a) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7516 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7517 return do_add_dm_sm<SparseComplexMatrix> (d, a); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7518 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7519 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7520 operator + (const ComplexDiagMatrix& d, const SparseComplexMatrix& a) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7521 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7522 return do_add_dm_sm<SparseComplexMatrix> (d, a); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7523 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7524 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7525 operator + (const SparseMatrix& a, const ComplexDiagMatrix& d) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7526 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7527 return do_add_sm_dm<SparseComplexMatrix> (a, d); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7528 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7529 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7530 operator + (const SparseComplexMatrix& a, const DiagMatrix& d) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7531 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7532 return do_add_sm_dm<SparseComplexMatrix> (a, d); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7533 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7534 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7535 operator + (const SparseComplexMatrix&a, const ComplexDiagMatrix& d) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7536 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7537 return do_add_sm_dm<SparseComplexMatrix> (a, d); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7538 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7539 |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7540 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7541 operator - (const ComplexDiagMatrix& d, const SparseMatrix& a) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7542 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7543 return do_sub_dm_sm<SparseComplexMatrix> (d, a); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7544 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7545 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7546 operator - (const DiagMatrix& d, const SparseComplexMatrix& a) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7547 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7548 return do_sub_dm_sm<SparseComplexMatrix> (d, a); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7549 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7550 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7551 operator - (const ComplexDiagMatrix& d, const SparseComplexMatrix& a) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7552 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7553 return do_sub_dm_sm<SparseComplexMatrix> (d, a); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7554 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7555 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7556 operator - (const SparseMatrix& a, const ComplexDiagMatrix& d) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7557 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7558 return do_sub_sm_dm<SparseComplexMatrix> (a, d); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7559 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7560 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7561 operator - (const SparseComplexMatrix& a, const DiagMatrix& d) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7562 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7563 return do_sub_sm_dm<SparseComplexMatrix> (a, d); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7564 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7565 SparseComplexMatrix |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7566 operator - (const SparseComplexMatrix&a, const ComplexDiagMatrix& d) |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7567 { |
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7568 return do_sub_sm_dm<SparseComplexMatrix> (a, d); |
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7569 } |
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7570 |
8968
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7571 // 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
|
7572 |
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7573 SparseComplexMatrix |
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7574 operator * (const PermMatrix& p, const SparseComplexMatrix& a) |
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7575 { |
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7576 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
|
7577 } |
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7578 |
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7579 SparseComplexMatrix |
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7580 operator * (const SparseComplexMatrix& 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
|
7581 { |
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7582 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
|
7583 } |
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7584 |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7585 // FIXME: it would be nice to share code among the min/max functions below. |
5164 | 7586 |
7587 #define EMPTY_RETURN_CHECK(T) \ | |
7588 if (nr == 0 || nc == 0) \ | |
7589 return T (nr, nc); | |
7590 | |
7591 SparseComplexMatrix | |
7592 min (const Complex& c, const SparseComplexMatrix& m) | |
7593 { | |
7594 SparseComplexMatrix result; | |
7595 | |
5275 | 7596 octave_idx_type nr = m.rows (); |
7597 octave_idx_type nc = m.columns (); | |
5164 | 7598 |
7599 EMPTY_RETURN_CHECK (SparseComplexMatrix); | |
7600 | |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7601 if (abs (c) == 0.) |
5164 | 7602 return SparseComplexMatrix (nr, nc); |
7603 else | |
7604 { | |
7605 result = SparseComplexMatrix (m); | |
7606 | |
5275 | 7607 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
|
7608 for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7609 result.data (i) = xmin (c, m.data (i)); |
5164 | 7610 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7611 |
5164 | 7612 return result; |
7613 } | |
7614 | |
7615 SparseComplexMatrix | |
7616 min (const SparseComplexMatrix& m, const Complex& c) | |
7617 { | |
7618 return min (c, m); | |
7619 } | |
7620 | |
7621 SparseComplexMatrix | |
7622 min (const SparseComplexMatrix& a, const SparseComplexMatrix& b) | |
7623 { | |
7624 SparseComplexMatrix r; | |
7625 | |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7626 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
|
7627 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
|
7628 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
|
7629 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
|
7630 |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7631 if (a_nr == b_nr && a_nc == b_nc) |
5164 | 7632 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7633 r = SparseComplexMatrix (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
|
7634 |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7635 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
|
7636 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
|
7637 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
|
7638 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7639 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
|
7640 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
|
7641 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
|
7642 |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7643 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
|
7644 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
|
7645 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
|
7646 |
18678
6113e0c6920b
maint: Clean up extra spaces before/after parentheses.
Rik <rik@octave.org>
parents:
18676
diff
changeset
|
7647 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
|
7648 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7649 octave_quit (); |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
7650 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
|
7651 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7652 Complex 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
|
7653 if (tmp != 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7654 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7655 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
|
7656 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
|
7657 jx++; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7658 } |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7659 ja++; |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7660 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
|
7661 } |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
7662 else if ((! ja_lt_max) |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
7663 || (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
|
7664 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7665 Complex 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
|
7666 if (tmp != 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7667 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7668 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
|
7669 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
|
7670 jx++; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7671 } |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7672 jb++; |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7673 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
|
7674 } |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7675 else |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7676 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7677 Complex 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
|
7678 if (tmp != 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7679 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7680 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
|
7681 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
|
7682 jx++; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7683 } |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7684 ja++; |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7685 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
|
7686 jb++; |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7687 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
|
7688 } |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7689 } |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7690 r.cidx (i+1) = jx; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7691 } |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7692 |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7693 r.maybe_compress (); |
5164 | 7694 } |
7695 else | |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7696 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7697 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
|
7698 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
|
7699 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
|
7700 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
|
7701 else |
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
20955
diff
changeset
|
7702 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
|
7703 } |
5164 | 7704 |
7705 return r; | |
7706 } | |
7707 | |
7708 SparseComplexMatrix | |
7709 max (const Complex& c, const SparseComplexMatrix& m) | |
7710 { | |
7711 SparseComplexMatrix result; | |
7712 | |
5275 | 7713 octave_idx_type nr = m.rows (); |
7714 octave_idx_type nc = m.columns (); | |
5164 | 7715 |
7716 EMPTY_RETURN_CHECK (SparseComplexMatrix); | |
7717 | |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18678
diff
changeset
|
7718 // Count the number of nonzero elements |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7719 if (xmax (c, 0.) != 0.) |
5164 | 7720 { |
7721 result = SparseComplexMatrix (nr, nc, c); | |
5275 | 7722 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
|
7723 for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) |
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7724 result.xdata (m.ridx (i) + j * nr) = xmax (c, m.data (i)); |
5164 | 7725 } |
7726 else | |
7727 result = SparseComplexMatrix (m); | |
7728 | |
7729 return result; | |
7730 } | |
7731 | |
7732 SparseComplexMatrix | |
7733 max (const SparseComplexMatrix& m, const Complex& c) | |
7734 { | |
7735 return max (c, m); | |
7736 } | |
7737 | |
7738 SparseComplexMatrix | |
7739 max (const SparseComplexMatrix& a, const SparseComplexMatrix& b) | |
7740 { | |
7741 SparseComplexMatrix r; | |
7742 | |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7743 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
|
7744 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
|
7745 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
|
7746 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
|
7747 |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7748 if (a_nr == b_nr && a_nc == b_nc) |
5164 | 7749 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7750 r = SparseComplexMatrix (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
|
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 jx = 0; |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7753 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
|
7754 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
|
7755 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7756 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
|
7757 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
|
7758 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
|
7759 |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7760 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
|
7761 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
|
7762 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
|
7763 |
18678
6113e0c6920b
maint: Clean up extra spaces before/after parentheses.
Rik <rik@octave.org>
parents:
18676
diff
changeset
|
7764 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
|
7765 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7766 octave_quit (); |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
7767 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
|
7768 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7769 Complex 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
|
7770 if (tmp != 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7771 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7772 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
|
7773 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
|
7774 jx++; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7775 } |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7776 ja++; |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7777 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
|
7778 } |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
7779 else if ((! ja_lt_max) |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
7780 || (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
|
7781 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7782 Complex 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
|
7783 if (tmp != 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7784 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7785 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
|
7786 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
|
7787 jx++; |
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 jb++; |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7790 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
|
7791 } |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7792 else |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7793 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7794 Complex 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
|
7795 if (tmp != 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7796 { |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7797 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
|
7798 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
|
7799 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 ja++; |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7802 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
|
7803 jb++; |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7804 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
|
7805 } |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7806 } |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7807 r.cidx (i+1) = jx; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7808 } |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7809 |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7810 r.maybe_compress (); |
5164 | 7811 } |
7812 else | |
18110
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7813 { |
2217bc116aa9
maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
18107
diff
changeset
|
7814 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
|
7815 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
|
7816 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
|
7817 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
|
7818 else |
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
20955
diff
changeset
|
7819 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
|
7820 } |
5164 | 7821 |
7822 return r; | |
7823 } | |
7824 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7825 SPARSE_SMS_CMP_OPS (SparseComplexMatrix, 0.0, real, Complex, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7826 0.0, real) |
5164 | 7827 SPARSE_SMS_BOOL_OPS (SparseComplexMatrix, Complex, 0.0) |
7828 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7829 SPARSE_SSM_CMP_OPS (Complex, 0.0, real, SparseComplexMatrix, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7830 0.0, real) |
5164 | 7831 SPARSE_SSM_BOOL_OPS (Complex, SparseComplexMatrix, 0.0) |
7832 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7833 SPARSE_SMSM_CMP_OPS (SparseComplexMatrix, 0.0, real, SparseComplexMatrix, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7834 0.0, real) |
5164 | 7835 SPARSE_SMSM_BOOL_OPS (SparseComplexMatrix, SparseComplexMatrix, 0.0) |