Mercurial > octave
annotate liboctave/array/CRowVector.cc @ 21202:f7121e111991
maint: indent #ifdef blocks in liboctave and src directories.
* Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, CSparse.h, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MSparse.h, MatrixType.cc,
PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc,
boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc,
dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc,
dSparse.cc, dSparse.h, dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc,
fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc,
int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, intNDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc,
blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, quit.cc,
quit.h, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc, CmplxLU.cc,
CmplxQR.cc, CmplxQRP.cc, CmplxSCHUR.cc, CmplxSVD.cc, CollocWt.cc, DASPK.cc,
DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, base-lu.cc, base-qr.cc,
dbleAEPBAL.cc, dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc,
dbleQRP.cc, dbleSCHUR.cc, dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc,
fCmplxCHOL.cc, fCmplxGEPBAL.cc, fCmplxHESS.cc, fCmplxLU.cc, fCmplxQR.cc,
fCmplxQRP.cc, fCmplxSCHUR.cc, fCmplxSVD.cc, fEIG.cc, floatAEPBAL.cc,
floatCHOL.cc, floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc,
floatQRP.cc, floatSCHUR.cc, floatSVD.cc, lo-mappers.cc, lo-specfun.cc,
oct-convn.cc, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-rand.cc,
oct-spparms.cc, randgamma.c, randmtzig.c, randpoisson.c, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, mx-defs.h, dir-ops.cc,
file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc,
oct-group.cc, oct-openmp.h, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, pathlen.h, sysdir.h, syswait.h, cmd-edit.cc, cmd-hist.cc,
data-conv.cc, f2c-main.c, glob-match.cc, lo-array-errwarn.cc,
lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-math.h,
lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-refcount.h, oct-rl-edit.c,
oct-rl-hist.c, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc,
sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc,
url-transfer.cc, display-available.h, main-cli.cc, main-gui.cc, main.in.cc,
mkoctfile.in.cc, octave-config.in.cc, shared-fcns.h:
indent #ifdef blocks in liboctave and src directories.
| author | Rik <rik@octave.org> |
|---|---|
| date | Sat, 06 Feb 2016 06:40:13 -0800 |
| parents | 7cac4e7458f2 |
| children | 40de9f8f23a6 |
| rev | line source |
|---|---|
| 1993 | 1 // RowVector manipulations. |
| 458 | 2 /* |
| 3 | |
|
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4 Copyright (C) 1994-2015 John W. Eaton |
| 458 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 458 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 458 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
|
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25 # include <config.h> |
| 458 | 26 #endif |
| 27 | |
| 3503 | 28 #include <iostream> |
| 458 | 29 |
| 4669 | 30 #include "Array-util.h" |
| 1847 | 31 #include "f77-fcn.h" |
|
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32 #include "functor.h" |
| 1368 | 33 #include "lo-error.h" |
| 458 | 34 #include "mx-base.h" |
| 35 #include "mx-inlines.cc" | |
| 1650 | 36 #include "oct-cmplx.h" |
| 458 | 37 |
| 38 // Fortran functions we call. | |
| 39 | |
| 40 extern "C" | |
| 41 { | |
| 4552 | 42 F77_RET_T |
| 43 F77_FUNC (zgemv, ZGEMV) (F77_CONST_CHAR_ARG_DECL, | |
| 11518 | 44 const octave_idx_type&, const octave_idx_type&, |
| 45 const Complex&, const Complex*, | |
| 46 const octave_idx_type&, const Complex*, | |
| 47 const octave_idx_type&, const Complex&, Complex*, | |
| 48 const octave_idx_type& | |
|
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49 F77_CHAR_ARG_LEN_DECL); |
| 5983 | 50 |
| 51 F77_RET_T | |
| 11518 | 52 F77_FUNC (xzdotu, XZDOTU) (const octave_idx_type&, const Complex*, |
| 53 const octave_idx_type&, const Complex*, | |
| 54 const octave_idx_type&, Complex&); | |
| 458 | 55 } |
| 56 | |
| 1360 | 57 // Complex Row Vector class |
| 458 | 58 |
| 2386 | 59 bool |
| 458 | 60 ComplexRowVector::operator == (const ComplexRowVector& a) const |
| 61 { | |
|
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62 octave_idx_type len = numel (); |
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63 if (len != a.numel ()) |
| 458 | 64 return 0; |
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65 return mx_inline_equal (len, data (), a.data ()); |
| 458 | 66 } |
| 67 | |
| 2386 | 68 bool |
| 458 | 69 ComplexRowVector::operator != (const ComplexRowVector& a) const |
| 70 { | |
| 71 return !(*this == a); | |
| 72 } | |
| 73 | |
| 74 // destructive insert/delete/reorder operations | |
| 75 | |
| 76 ComplexRowVector& | |
| 5275 | 77 ComplexRowVector::insert (const RowVector& a, octave_idx_type c) |
| 458 | 78 { |
|
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79 octave_idx_type a_len = a.numel (); |
| 4316 | 80 |
|
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81 if (c < 0 || c + a_len > numel ()) |
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82 (*current_liboctave_error_handler) ("range error for insert"); |
| 458 | 83 |
| 4316 | 84 if (a_len > 0) |
| 85 { | |
| 86 make_unique (); | |
| 87 | |
| 5275 | 88 for (octave_idx_type i = 0; i < a_len; i++) |
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89 xelem (c+i) = a.elem (i); |
| 4316 | 90 } |
| 458 | 91 |
| 92 return *this; | |
| 93 } | |
| 94 | |
| 95 ComplexRowVector& | |
| 5275 | 96 ComplexRowVector::insert (const ComplexRowVector& a, octave_idx_type c) |
| 458 | 97 { |
|
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98 octave_idx_type a_len = a.numel (); |
| 4316 | 99 |
|
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100 if (c < 0 || c + a_len > numel ()) |
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101 (*current_liboctave_error_handler) ("range error for insert"); |
| 458 | 102 |
| 4316 | 103 if (a_len > 0) |
| 104 { | |
| 105 make_unique (); | |
| 106 | |
| 5275 | 107 for (octave_idx_type i = 0; i < a_len; i++) |
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108 xelem (c+i) = a.elem (i); |
| 4316 | 109 } |
| 458 | 110 |
| 111 return *this; | |
| 112 } | |
| 113 | |
| 114 ComplexRowVector& | |
| 115 ComplexRowVector::fill (double val) | |
| 116 { | |
|
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117 octave_idx_type len = numel (); |
| 4316 | 118 |
| 458 | 119 if (len > 0) |
| 4316 | 120 { |
| 121 make_unique (); | |
| 122 | |
| 5275 | 123 for (octave_idx_type i = 0; i < len; i++) |
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124 xelem (i) = val; |
| 4316 | 125 } |
| 126 | |
| 458 | 127 return *this; |
| 128 } | |
| 129 | |
| 130 ComplexRowVector& | |
| 131 ComplexRowVector::fill (const Complex& val) | |
| 132 { | |
|
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133 octave_idx_type len = numel (); |
| 4316 | 134 |
| 458 | 135 if (len > 0) |
| 4316 | 136 { |
| 137 make_unique (); | |
| 138 | |
| 5275 | 139 for (octave_idx_type i = 0; i < len; i++) |
|
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140 xelem (i) = val; |
| 4316 | 141 } |
| 142 | |
| 458 | 143 return *this; |
| 144 } | |
| 145 | |
| 146 ComplexRowVector& | |
| 5275 | 147 ComplexRowVector::fill (double val, octave_idx_type c1, octave_idx_type c2) |
| 458 | 148 { |
|
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149 octave_idx_type len = numel (); |
| 4316 | 150 |
| 458 | 151 if (c1 < 0 || c2 < 0 || c1 >= len || c2 >= len) |
|
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152 (*current_liboctave_error_handler) ("range error for fill"); |
| 458 | 153 |
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154 if (c1 > c2) { std::swap (c1, c2); } |
| 458 | 155 |
| 4316 | 156 if (c2 >= c1) |
| 157 { | |
| 158 make_unique (); | |
| 159 | |
| 5275 | 160 for (octave_idx_type i = c1; i <= c2; i++) |
|
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161 xelem (i) = val; |
| 4316 | 162 } |
| 458 | 163 |
| 164 return *this; | |
| 165 } | |
| 166 | |
| 167 ComplexRowVector& | |
|
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168 ComplexRowVector::fill (const Complex& val, |
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169 octave_idx_type c1, octave_idx_type c2) |
| 458 | 170 { |
|
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171 octave_idx_type len = numel (); |
| 4316 | 172 |
| 458 | 173 if (c1 < 0 || c2 < 0 || c1 >= len || c2 >= len) |
|
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174 (*current_liboctave_error_handler) ("range error for fill"); |
| 458 | 175 |
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176 if (c1 > c2) { std::swap (c1, c2); } |
| 458 | 177 |
| 4316 | 178 if (c2 >= c1) |
| 179 { | |
| 180 make_unique (); | |
| 181 | |
| 5275 | 182 for (octave_idx_type i = c1; i <= c2; i++) |
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183 xelem (i) = val; |
| 4316 | 184 } |
| 458 | 185 |
| 186 return *this; | |
| 187 } | |
| 188 | |
| 189 ComplexRowVector | |
| 190 ComplexRowVector::append (const RowVector& a) const | |
| 191 { | |
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192 octave_idx_type len = numel (); |
| 5275 | 193 octave_idx_type nc_insert = len; |
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194 ComplexRowVector retval (len + a.numel ()); |
| 458 | 195 retval.insert (*this, 0); |
| 196 retval.insert (a, nc_insert); | |
| 197 return retval; | |
| 198 } | |
| 199 | |
| 200 ComplexRowVector | |
| 201 ComplexRowVector::append (const ComplexRowVector& a) const | |
| 202 { | |
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203 octave_idx_type len = numel (); |
| 5275 | 204 octave_idx_type nc_insert = len; |
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205 ComplexRowVector retval (len + a.numel ()); |
| 458 | 206 retval.insert (*this, 0); |
| 207 retval.insert (a, nc_insert); | |
| 208 return retval; | |
| 209 } | |
| 210 | |
| 211 ComplexColumnVector | |
| 212 ComplexRowVector::hermitian (void) const | |
| 213 { | |
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214 return MArray<Complex>::hermitian (std::conj); |
| 458 | 215 } |
| 216 | |
| 217 ComplexColumnVector | |
| 218 ComplexRowVector::transpose (void) const | |
| 219 { | |
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220 return MArray<Complex>::transpose (); |
| 458 | 221 } |
| 222 | |
| 223 ComplexRowVector | |
| 224 conj (const ComplexRowVector& a) | |
| 225 { | |
|
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226 return do_mx_unary_map<Complex, Complex, std::conj<double> > (a); |
| 458 | 227 } |
| 228 | |
| 229 // resize is the destructive equivalent for this one | |
| 230 | |
| 231 ComplexRowVector | |
| 5275 | 232 ComplexRowVector::extract (octave_idx_type c1, octave_idx_type c2) const |
| 458 | 233 { |
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234 if (c1 > c2) { std::swap (c1, c2); } |
| 458 | 235 |
| 5275 | 236 octave_idx_type new_c = c2 - c1 + 1; |
| 458 | 237 |
| 238 ComplexRowVector result (new_c); | |
| 239 | |
| 5275 | 240 for (octave_idx_type i = 0; i < new_c; i++) |
| 458 | 241 result.elem (i) = elem (c1+i); |
| 242 | |
| 243 return result; | |
| 244 } | |
| 245 | |
| 4316 | 246 ComplexRowVector |
| 5275 | 247 ComplexRowVector::extract_n (octave_idx_type r1, octave_idx_type n) const |
| 4316 | 248 { |
| 249 ComplexRowVector result (n); | |
| 250 | |
| 5275 | 251 for (octave_idx_type i = 0; i < n; i++) |
| 4316 | 252 result.elem (i) = elem (r1+i); |
| 253 | |
| 254 return result; | |
| 255 } | |
| 256 | |
| 458 | 257 // row vector by row vector -> row vector operations |
| 258 | |
| 259 ComplexRowVector& | |
| 260 ComplexRowVector::operator += (const RowVector& a) | |
| 261 { | |
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262 octave_idx_type len = numel (); |
| 2386 | 263 |
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264 octave_idx_type a_len = a.numel (); |
| 2386 | 265 |
| 266 if (len != a_len) | |
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267 err_nonconformant ("operator +=", len, a_len); |
| 458 | 268 |
| 269 if (len == 0) | |
| 270 return *this; | |
| 271 | |
| 272 Complex *d = fortran_vec (); // Ensures only one reference to my privates! | |
| 273 | |
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274 mx_inline_add2 (len, d, a.data ()); |
| 458 | 275 return *this; |
| 276 } | |
| 277 | |
| 278 ComplexRowVector& | |
| 279 ComplexRowVector::operator -= (const RowVector& a) | |
| 280 { | |
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281 octave_idx_type len = numel (); |
| 2386 | 282 |
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283 octave_idx_type a_len = a.numel (); |
| 2386 | 284 |
| 285 if (len != a_len) | |
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286 err_nonconformant ("operator -=", len, a_len); |
| 458 | 287 |
| 288 if (len == 0) | |
| 289 return *this; | |
| 290 | |
| 291 Complex *d = fortran_vec (); // Ensures only one reference to my privates! | |
| 292 | |
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293 mx_inline_sub2 (len, d, a.data ()); |
| 458 | 294 return *this; |
| 295 } | |
| 296 | |
| 297 // row vector by matrix -> row vector | |
| 298 | |
| 299 ComplexRowVector | |
| 300 operator * (const ComplexRowVector& v, const ComplexMatrix& a) | |
| 301 { | |
| 1947 | 302 ComplexRowVector retval; |
| 303 | |
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304 octave_idx_type len = v.numel (); |
| 1947 | 305 |
| 5275 | 306 octave_idx_type a_nr = a.rows (); |
| 307 octave_idx_type a_nc = a.cols (); | |
| 2386 | 308 |
| 309 if (a_nr != len) | |
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310 err_nonconformant ("operator *", 1, len, a_nr, a_nc); |
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311 |
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312 if (len == 0) |
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313 retval.resize (a_nc, 0.0); |
| 1947 | 314 else |
| 458 | 315 { |
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316 // Transpose A to form A'*x == (x'*A)' |
| 1947 | 317 |
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318 octave_idx_type ld = a_nr; |
| 1947 | 319 |
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320 retval.resize (a_nc); |
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321 Complex *y = retval.fortran_vec (); |
| 1947 | 322 |
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323 F77_XFCN (zgemv, ZGEMV, (F77_CONST_CHAR_ARG2 ("T", 1), |
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324 a_nr, a_nc, 1.0, a.data (), |
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325 ld, v.data (), 1, 0.0, y, 1 |
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326 F77_CHAR_ARG_LEN (1))); |
| 458 | 327 } |
| 328 | |
| 1947 | 329 return retval; |
| 458 | 330 } |
| 331 | |
| 1205 | 332 ComplexRowVector |
| 333 operator * (const RowVector& v, const ComplexMatrix& a) | |
| 334 { | |
| 335 ComplexRowVector tmp (v); | |
| 336 return tmp * a; | |
| 337 } | |
| 338 | |
| 458 | 339 // other operations |
| 340 | |
| 341 Complex | |
| 342 ComplexRowVector::min (void) const | |
| 343 { | |
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344 octave_idx_type len = numel (); |
| 458 | 345 if (len == 0) |
| 346 return Complex (0.0); | |
| 347 | |
| 348 Complex res = elem (0); | |
| 5260 | 349 double absres = std::abs (res); |
| 458 | 350 |
| 5275 | 351 for (octave_idx_type i = 1; i < len; i++) |
| 5260 | 352 if (std::abs (elem (i)) < absres) |
| 458 | 353 { |
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354 res = elem (i); |
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355 absres = std::abs (res); |
| 458 | 356 } |
| 357 | |
| 358 return res; | |
| 359 } | |
| 360 | |
| 361 Complex | |
| 362 ComplexRowVector::max (void) const | |
| 363 { | |
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364 octave_idx_type len = numel (); |
| 458 | 365 if (len == 0) |
| 366 return Complex (0.0); | |
| 367 | |
| 368 Complex res = elem (0); | |
| 5260 | 369 double absres = std::abs (res); |
| 458 | 370 |
| 5275 | 371 for (octave_idx_type i = 1; i < len; i++) |
| 5260 | 372 if (std::abs (elem (i)) > absres) |
| 458 | 373 { |
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374 res = elem (i); |
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375 absres = std::abs (res); |
| 458 | 376 } |
| 377 | |
| 378 return res; | |
| 379 } | |
| 380 | |
| 381 // i/o | |
| 382 | |
| 3504 | 383 std::ostream& |
| 384 operator << (std::ostream& os, const ComplexRowVector& a) | |
| 458 | 385 { |
| 386 // int field_width = os.precision () + 7; | |
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387 for (octave_idx_type i = 0; i < a.numel (); i++) |
| 458 | 388 os << " " /* setw (field_width) */ << a.elem (i); |
| 389 return os; | |
| 390 } | |
| 391 | |
| 3504 | 392 std::istream& |
| 393 operator >> (std::istream& is, ComplexRowVector& a) | |
| 458 | 394 { |
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395 octave_idx_type len = a.numel (); |
| 458 | 396 |
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397 if (len > 0) |
| 458 | 398 { |
| 399 Complex tmp; | |
| 5275 | 400 for (octave_idx_type i = 0; i < len; i++) |
| 458 | 401 { |
| 402 is >> tmp; | |
| 403 if (is) | |
| 404 a.elem (i) = tmp; | |
| 405 else | |
| 406 break; | |
| 407 } | |
| 408 } | |
| 532 | 409 return is; |
| 458 | 410 } |
| 411 | |
| 1205 | 412 // row vector by column vector -> scalar |
| 413 | |
| 414 // row vector by column vector -> scalar | |
| 415 | |
| 416 Complex | |
| 417 operator * (const ComplexRowVector& v, const ColumnVector& a) | |
| 418 { | |
| 419 ComplexColumnVector tmp (a); | |
| 420 return v * tmp; | |
| 421 } | |
| 422 | |
| 423 Complex | |
| 424 operator * (const ComplexRowVector& v, const ComplexColumnVector& a) | |
| 425 { | |
| 5983 | 426 Complex retval (0.0, 0.0); |
| 427 | |
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428 octave_idx_type len = v.numel (); |
| 2386 | 429 |
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430 octave_idx_type a_len = a.numel (); |
| 2386 | 431 |
| 432 if (len != a_len) | |
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433 err_nonconformant ("operator *", len, a_len); |
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434 if (len != 0) |
| 5983 | 435 F77_FUNC (xzdotu, XZDOTU) (len, v.data (), 1, a.data (), 1, retval); |
| 1205 | 436 |
| 437 return retval; | |
| 438 } | |
| 439 | |
| 440 // other operations | |
| 441 | |
| 442 ComplexRowVector | |
| 5275 | 443 linspace (const Complex& x1, const Complex& x2, octave_idx_type n) |
| 1205 | 444 { |
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445 NoAlias<ComplexRowVector> retval; |
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446 |
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447 if (n < 1) |
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448 return retval; |
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449 else |
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450 retval.clear (n); |
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451 |
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452 retval(0) = x1; |
| 1205 | 453 |
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454 Complex delta = (x2 - x1) / (n - 1.0); |
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455 for (octave_idx_type i = 1; i < n-1; i++) |
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456 retval(i) = x1 + static_cast<double> (i)*delta; |
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457 |
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458 retval(n-1) = x2; |
| 1205 | 459 |
| 460 return retval; | |
| 461 } |