Mercurial > hg > octave-nkf
annotate liboctave/array/CSparse.cc @ 18084:8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
* liboctave/array/Array-b.cc, liboctave/array/Array-util.cc,
liboctave/array/Array.cc, liboctave/array/CDiagMatrix.cc,
liboctave/array/CMatrix.cc, liboctave/array/CSparse.cc,
liboctave/array/MDiagArray2.cc, liboctave/array/MatrixType.cc,
liboctave/array/PermMatrix.cc, liboctave/array/Sparse.cc,
liboctave/array/Sparse.h, liboctave/array/boolSparse.cc,
liboctave/array/dDiagMatrix.cc, liboctave/array/dMatrix.cc,
liboctave/array/dSparse.cc, liboctave/array/dim-vector.cc,
liboctave/array/fCDiagMatrix.cc, liboctave/array/fCMatrix.cc,
liboctave/array/fDiagMatrix.cc, liboctave/array/fMatrix.cc,
liboctave/array/idx-vector.cc, liboctave/array/idx-vector.h,
liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxQR.cc,
liboctave/numeric/base-qr.cc, liboctave/numeric/bsxfun-defs.cc,
liboctave/numeric/bsxfun.h, liboctave/numeric/dbleLU.cc,
liboctave/numeric/dbleQR.cc, liboctave/numeric/fCmplxLU.cc,
liboctave/numeric/fCmplxQR.cc, liboctave/numeric/floatLU.cc,
liboctave/numeric/floatQR.cc, liboctave/numeric/lo-specfun.cc,
liboctave/numeric/oct-convn.cc, liboctave/numeric/oct-norm.cc,
liboctave/numeric/sparse-dmsolve.cc, liboctave/operators/mx-inlines.cc,
liboctave/operators/mx-op-defs.h, liboctave/util/caseless-str.h,
liboctave/util/kpse.cc, liboctave/util/lo-utils.cc,
liboctave/util/oct-binmap.h, liboctave/util/oct-cmplx.h,
liboctave/util/oct-inttypes.cc, liboctave/util/oct-inttypes.h,
liboctave/util/oct-sort.cc:
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
| author | Rik <rik@octave.org> |
|---|---|
| date | Wed, 04 Dec 2013 22:13:18 -0800 |
| parents | 938f01339043 |
| children | b3f443b4802b |
| rev | line source |
|---|---|
| 5164 | 1 /* |
| 2 | |
|
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3 Copyright (C) 2004-2013 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 "oct-locbuf.h" |
| 5164 | 40 |
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41 #include "dDiagMatrix.h" |
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42 #include "CDiagMatrix.h" |
| 5164 | 43 #include "CSparse.h" |
| 44 #include "boolSparse.h" | |
| 45 #include "dSparse.h" | |
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46 #include "functor.h" |
| 5164 | 47 #include "oct-spparms.h" |
| 48 #include "SparseCmplxLU.h" | |
| 5451 | 49 #include "oct-sparse.h" |
| 5506 | 50 #include "sparse-util.h" |
| 51 #include "SparseCmplxCHOL.h" | |
| 5610 | 52 #include "SparseCmplxQR.h" |
| 5164 | 53 |
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54 #include "Sparse-diag-op-defs.h" |
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55 |
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56 #include "Sparse-perm-op-defs.h" |
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57 #include "mx-inlines.cc" |
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58 |
| 5681 | 59 // Define whether to use a basic QR solver or one that uses a Dulmange |
| 60 // Mendelsohn factorization to seperate the problem into under-determined, | |
| 61 // well-determined and over-determined parts and solves them seperately | |
| 62 #ifndef USE_QRSOLVE | |
| 63 #include "sparse-dmsolve.cc" | |
| 64 #endif | |
| 65 | |
| 5164 | 66 // Fortran functions we call. |
| 67 extern "C" | |
| 68 { | |
| 69 F77_RET_T | |
| 11518 | 70 F77_FUNC (zgbtrf, ZGBTRF) (const octave_idx_type&, const octave_idx_type&, |
| 71 const octave_idx_type&, const octave_idx_type&, | |
| 72 Complex*, const octave_idx_type&, | |
| 73 octave_idx_type*, octave_idx_type&); | |
| 5164 | 74 |
| 75 F77_RET_T | |
| 11518 | 76 F77_FUNC (zgbtrs, ZGBTRS) (F77_CONST_CHAR_ARG_DECL, |
| 77 const octave_idx_type&, const octave_idx_type&, | |
| 78 const octave_idx_type&, const octave_idx_type&, | |
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79 const Complex*, const octave_idx_type&, |
| 11518 | 80 const octave_idx_type*, Complex*, |
| 81 const octave_idx_type&, octave_idx_type& | |
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82 F77_CHAR_ARG_LEN_DECL); |
| 5164 | 83 |
| 84 F77_RET_T | |
| 11518 | 85 F77_FUNC (zgbcon, ZGBCON) (F77_CONST_CHAR_ARG_DECL, |
| 86 const octave_idx_type&, const octave_idx_type&, | |
| 87 const octave_idx_type&, Complex*, | |
| 88 const octave_idx_type&, const octave_idx_type*, | |
| 89 const double&, double&, Complex*, double*, | |
| 90 octave_idx_type& | |
| 91 F77_CHAR_ARG_LEN_DECL); | |
| 92 | |
| 93 F77_RET_T | |
| 94 F77_FUNC (zpbtrf, ZPBTRF) (F77_CONST_CHAR_ARG_DECL, | |
| 95 const octave_idx_type&, const octave_idx_type&, | |
| 96 Complex*, const octave_idx_type&, octave_idx_type& | |
| 97 F77_CHAR_ARG_LEN_DECL); | |
| 98 | |
| 99 F77_RET_T | |
| 100 F77_FUNC (zpbtrs, ZPBTRS) (F77_CONST_CHAR_ARG_DECL, | |
| 101 const octave_idx_type&, const octave_idx_type&, | |
| 102 const octave_idx_type&, Complex*, | |
| 103 const octave_idx_type&, Complex*, | |
| 104 const octave_idx_type&, octave_idx_type& | |
| 105 F77_CHAR_ARG_LEN_DECL); | |
| 106 | |
| 107 F77_RET_T | |
| 108 F77_FUNC (zpbcon, ZPBCON) (F77_CONST_CHAR_ARG_DECL, | |
| 109 const octave_idx_type&, const octave_idx_type&, | |
| 110 Complex*, const octave_idx_type&, const double&, | |
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111 double&, Complex*, double*, octave_idx_type& |
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112 F77_CHAR_ARG_LEN_DECL); |
| 5164 | 113 |
| 114 F77_RET_T | |
| 11518 | 115 F77_FUNC (zgttrf, ZGTTRF) (const octave_idx_type&, Complex*, Complex*, |
| 116 Complex*, Complex*, octave_idx_type*, | |
| 117 octave_idx_type&); | |
| 5164 | 118 |
| 119 F77_RET_T | |
| 11518 | 120 F77_FUNC (zgttrs, ZGTTRS) (F77_CONST_CHAR_ARG_DECL, |
| 121 const octave_idx_type&, const octave_idx_type&, | |
| 122 const Complex*, const Complex*, const Complex*, | |
| 123 const Complex*, const octave_idx_type*, | |
| 124 Complex *, const octave_idx_type&, | |
| 125 octave_idx_type& | |
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126 F77_CHAR_ARG_LEN_DECL); |
| 5164 | 127 |
| 128 F77_RET_T | |
| 11518 | 129 F77_FUNC (zptsv, ZPTSV) (const octave_idx_type&, const octave_idx_type&, |
| 130 double*, Complex*, Complex*, | |
| 131 const octave_idx_type&, octave_idx_type&); | |
| 5164 | 132 |
| 133 F77_RET_T | |
| 11518 | 134 F77_FUNC (zgtsv, ZGTSV) (const octave_idx_type&, const octave_idx_type&, |
| 135 Complex*, Complex*, Complex*, Complex*, | |
| 136 const octave_idx_type&, octave_idx_type&); | |
| 5164 | 137 } |
| 138 | |
| 139 SparseComplexMatrix::SparseComplexMatrix (const SparseMatrix& a) | |
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140 : MSparse<Complex> (a) |
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141 { |
| 5164 | 142 } |
| 143 | |
| 144 SparseComplexMatrix::SparseComplexMatrix (const SparseBoolMatrix& a) | |
| 5681 | 145 : MSparse<Complex> (a.rows (), a.cols (), a.nnz ()) |
| 5164 | 146 { |
| 5275 | 147 octave_idx_type nc = cols (); |
| 5681 | 148 octave_idx_type nz = a.nnz (); |
| 5275 | 149 |
| 150 for (octave_idx_type i = 0; i < nc + 1; i++) | |
| 5164 | 151 cidx (i) = a.cidx (i); |
| 152 | |
| 5275 | 153 for (octave_idx_type i = 0; i < nz; i++) |
| 5164 | 154 { |
| 5681 | 155 data (i) = Complex (a.data (i)); |
| 5164 | 156 ridx (i) = a.ridx (i); |
| 157 } | |
| 158 } | |
| 159 | |
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160 SparseComplexMatrix::SparseComplexMatrix (const ComplexDiagMatrix& a) |
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161 : MSparse<Complex> (a.rows (), a.cols (), a.length ()) |
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162 { |
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163 octave_idx_type j = 0; |
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164 octave_idx_type l = a.length (); |
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165 for (octave_idx_type i = 0; i < l; i++) |
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166 { |
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167 cidx (i) = j; |
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168 if (a(i, i) != 0.0) |
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169 { |
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170 data (j) = a(i, i); |
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171 ridx (j) = i; |
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172 j++; |
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173 } |
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174 } |
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175 for (octave_idx_type i = l; i <= a.cols (); i++) |
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176 cidx (i) = j; |
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177 } |
| 5164 | 178 bool |
| 179 SparseComplexMatrix::operator == (const SparseComplexMatrix& a) const | |
| 180 { | |
| 5275 | 181 octave_idx_type nr = rows (); |
| 182 octave_idx_type nc = cols (); | |
| 5681 | 183 octave_idx_type nz = nnz (); |
| 5275 | 184 octave_idx_type nr_a = a.rows (); |
| 185 octave_idx_type nc_a = a.cols (); | |
| 5681 | 186 octave_idx_type nz_a = a.nnz (); |
| 5164 | 187 |
| 188 if (nr != nr_a || nc != nc_a || nz != nz_a) | |
| 189 return false; | |
| 190 | |
| 5275 | 191 for (octave_idx_type i = 0; i < nc + 1; i++) |
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192 if (cidx (i) != a.cidx (i)) |
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193 return false; |
| 5164 | 194 |
| 5275 | 195 for (octave_idx_type i = 0; i < nz; i++) |
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196 if (data (i) != a.data (i) || ridx (i) != a.ridx (i)) |
| 5164 | 197 return false; |
| 198 | |
| 199 return true; | |
| 200 } | |
| 201 | |
| 202 bool | |
| 203 SparseComplexMatrix::operator != (const SparseComplexMatrix& a) const | |
| 204 { | |
| 205 return !(*this == a); | |
| 206 } | |
| 207 | |
| 208 bool | |
| 209 SparseComplexMatrix::is_hermitian (void) const | |
| 210 { | |
| 5275 | 211 octave_idx_type nr = rows (); |
| 212 octave_idx_type nc = cols (); | |
| 5164 | 213 |
| 6207 | 214 if (nr == nc && nr > 0) |
| 5164 | 215 { |
| 6207 | 216 for (octave_idx_type j = 0; j < nc; j++) |
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217 { |
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218 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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219 { |
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220 octave_idx_type ri = ridx (i); |
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221 |
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222 if (ri != j) |
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223 { |
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224 bool found = false; |
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225 |
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226 for (octave_idx_type k = cidx (ri); k < cidx (ri+1); k++) |
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227 { |
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228 if (ridx (k) == j) |
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229 { |
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230 if (data (i) == conj (data (k))) |
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231 found = true; |
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232 break; |
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233 } |
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234 } |
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235 |
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236 if (! found) |
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237 return false; |
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238 } |
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239 } |
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240 } |
| 5164 | 241 |
| 242 return true; | |
| 243 } | |
| 244 | |
| 245 return false; | |
| 246 } | |
| 247 | |
| 248 static const Complex Complex_NaN_result (octave_NaN, octave_NaN); | |
| 249 | |
| 250 SparseComplexMatrix | |
| 251 SparseComplexMatrix::max (int dim) const | |
| 252 { | |
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253 Array<octave_idx_type> dummy_idx; |
| 5164 | 254 return max (dummy_idx, dim); |
| 255 } | |
| 256 | |
| 257 SparseComplexMatrix | |
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258 SparseComplexMatrix::max (Array<octave_idx_type>& idx_arg, int dim) const |
| 5164 | 259 { |
| 260 SparseComplexMatrix result; | |
| 261 dim_vector dv = dims (); | |
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262 octave_idx_type nr = dv(0); |
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263 octave_idx_type nc = dv(1); |
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264 |
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265 |
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266 if (dim >= dv.length ()) |
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267 { |
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268 idx_arg.resize (dim_vector (nr, nc), 0); |
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269 return *this; |
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270 } |
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271 |
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272 if (dim < 0) |
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273 dim = dv.first_non_singleton (); |
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274 |
| 5164 | 275 if (dim == 0) |
| 276 { | |
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277 idx_arg.resize (dim_vector (nr == 0 ? 0 : 1, nc), 0); |
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278 |
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279 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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280 return SparseComplexMatrix (nr == 0 ? 0 : 1, nc); |
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281 |
| 5275 | 282 octave_idx_type nel = 0; |
| 283 for (octave_idx_type j = 0; j < nc; j++) | |
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284 { |
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285 Complex tmp_max; |
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286 double abs_max = octave_NaN; |
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287 octave_idx_type idx_j = 0; |
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288 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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289 { |
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290 if (ridx (i) != idx_j) |
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291 break; |
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292 else |
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293 idx_j++; |
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294 } |
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295 |
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296 if (idx_j != nr) |
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297 { |
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298 tmp_max = 0.; |
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299 abs_max = 0.; |
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300 } |
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301 |
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302 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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303 { |
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304 Complex tmp = data (i); |
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305 |
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306 if (xisnan (tmp)) |
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307 continue; |
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308 |
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309 double abs_tmp = std::abs (tmp); |
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310 |
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311 if (xisnan (abs_max) || abs_tmp > abs_max) |
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312 { |
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313 idx_j = ridx (i); |
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314 tmp_max = tmp; |
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315 abs_max = abs_tmp; |
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316 } |
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317 } |
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318 |
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319 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_j; |
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320 if (abs_max != 0.) |
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321 nel++; |
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322 } |
| 5164 | 323 |
| 324 result = SparseComplexMatrix (1, nc, nel); | |
| 325 | |
| 5275 | 326 octave_idx_type ii = 0; |
| 5164 | 327 result.xcidx (0) = 0; |
| 5275 | 328 for (octave_idx_type j = 0; j < nc; j++) |
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329 { |
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330 Complex tmp = elem (idx_arg(j), j); |
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331 if (tmp != 0.) |
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332 { |
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333 result.xdata (ii) = tmp; |
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334 result.xridx (ii++) = 0; |
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335 } |
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336 result.xcidx (j+1) = ii; |
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337 } |
| 5164 | 338 } |
| 339 else | |
| 340 { | |
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341 idx_arg.resize (dim_vector (nr, nc == 0 ? 0 : 1), 0); |
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342 |
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343 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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344 return SparseComplexMatrix (nr, nc == 0 ? 0 : 1); |
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345 |
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346 OCTAVE_LOCAL_BUFFER (octave_idx_type, found, nr); |
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347 |
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348 for (octave_idx_type i = 0; i < nr; i++) |
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349 found[i] = 0; |
| 5164 | 350 |
| 5275 | 351 for (octave_idx_type j = 0; j < nc; j++) |
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352 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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353 if (found[ridx (i)] == -j) |
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354 found[ridx (i)] = -j - 1; |
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355 |
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356 for (octave_idx_type i = 0; i < nr; i++) |
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357 if (found[i] > -nc && found[i] < 0) |
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358 idx_arg.elem (i) = -found[i]; |
| 5164 | 359 |
| 5275 | 360 for (octave_idx_type j = 0; j < nc; j++) |
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361 { |
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362 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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363 { |
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364 octave_idx_type ir = ridx (i); |
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365 octave_idx_type ix = idx_arg.elem (ir); |
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366 Complex tmp = data (i); |
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367 |
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368 if (xisnan (tmp)) |
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369 continue; |
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370 else if (ix == -1 || std::abs (tmp) > std::abs (elem (ir, ix))) |
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371 idx_arg.elem (ir) = j; |
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372 } |
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373 } |
| 5164 | 374 |
| 5275 | 375 octave_idx_type nel = 0; |
| 376 for (octave_idx_type j = 0; j < nr; j++) | |
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377 if (idx_arg.elem (j) == -1 || elem (j, idx_arg.elem (j)) != 0.) |
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378 nel++; |
| 5164 | 379 |
| 380 result = SparseComplexMatrix (nr, 1, nel); | |
| 381 | |
| 5275 | 382 octave_idx_type ii = 0; |
| 5164 | 383 result.xcidx (0) = 0; |
| 384 result.xcidx (1) = nel; | |
| 5275 | 385 for (octave_idx_type j = 0; j < nr; j++) |
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386 { |
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387 if (idx_arg(j) == -1) |
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388 { |
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389 idx_arg(j) = 0; |
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390 result.xdata (ii) = Complex_NaN_result; |
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391 result.xridx (ii++) = j; |
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392 } |
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393 else |
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394 { |
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395 Complex tmp = elem (j, idx_arg(j)); |
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396 if (tmp != 0.) |
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397 { |
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398 result.xdata (ii) = tmp; |
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399 result.xridx (ii++) = j; |
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400 } |
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401 } |
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402 } |
| 5164 | 403 } |
| 404 | |
| 405 return result; | |
| 406 } | |
| 407 | |
| 408 SparseComplexMatrix | |
| 409 SparseComplexMatrix::min (int dim) const | |
| 410 { | |
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411 Array<octave_idx_type> dummy_idx; |
| 5164 | 412 return min (dummy_idx, dim); |
| 413 } | |
| 414 | |
| 415 SparseComplexMatrix | |
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416 SparseComplexMatrix::min (Array<octave_idx_type>& idx_arg, int dim) const |
| 5164 | 417 { |
| 418 SparseComplexMatrix result; | |
| 419 dim_vector dv = dims (); | |
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420 octave_idx_type nr = dv(0); |
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421 octave_idx_type nc = dv(1); |
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422 |
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423 if (dim >= dv.length ()) |
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424 { |
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425 idx_arg.resize (dim_vector (nr, nc), 0); |
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426 return *this; |
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427 } |
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428 |
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429 if (dim < 0) |
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430 dim = dv.first_non_singleton (); |
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431 |
| 5164 | 432 if (dim == 0) |
| 433 { | |
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434 idx_arg.resize (dim_vector (nr == 0 ? 0 : 1, nc), 0); |
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435 |
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436 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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437 return SparseComplexMatrix (nr == 0 ? 0 : 1, nc); |
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438 |
| 5275 | 439 octave_idx_type nel = 0; |
| 440 for (octave_idx_type j = 0; j < nc; j++) | |
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441 { |
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442 Complex tmp_min; |
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443 double abs_min = octave_NaN; |
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444 octave_idx_type idx_j = 0; |
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445 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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446 { |
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447 if (ridx (i) != idx_j) |
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448 break; |
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449 else |
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450 idx_j++; |
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451 } |
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452 |
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453 if (idx_j != nr) |
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454 { |
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455 tmp_min = 0.; |
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456 abs_min = 0.; |
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457 } |
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458 |
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459 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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460 { |
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461 Complex tmp = data (i); |
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462 |
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463 if (xisnan (tmp)) |
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464 continue; |
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465 |
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466 double abs_tmp = std::abs (tmp); |
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467 |
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468 if (xisnan (abs_min) || abs_tmp < abs_min) |
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469 { |
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470 idx_j = ridx (i); |
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471 tmp_min = tmp; |
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472 abs_min = abs_tmp; |
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473 } |
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474 } |
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475 |
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476 idx_arg.elem (j) = xisnan (tmp_min) ? 0 : idx_j; |
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477 if (abs_min != 0.) |
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478 nel++; |
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479 } |
| 5164 | 480 |
| 481 result = SparseComplexMatrix (1, nc, nel); | |
| 482 | |
| 5275 | 483 octave_idx_type ii = 0; |
| 5164 | 484 result.xcidx (0) = 0; |
| 5275 | 485 for (octave_idx_type j = 0; j < nc; j++) |
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486 { |
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487 Complex tmp = elem (idx_arg(j), j); |
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488 if (tmp != 0.) |
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489 { |
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490 result.xdata (ii) = tmp; |
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491 result.xridx (ii++) = 0; |
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492 } |
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493 result.xcidx (j+1) = ii; |
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494 } |
| 5164 | 495 } |
| 496 else | |
| 497 { | |
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498 idx_arg.resize (dim_vector (nr, nc == 0 ? 0 : 1), 0); |
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499 |
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500 if (nr == 0 || nc == 0 || dim >= dv.length ()) |
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501 return SparseComplexMatrix (nr, nc == 0 ? 0 : 1); |
| 5164 | 502 |
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503 OCTAVE_LOCAL_BUFFER (octave_idx_type, found, nr); |
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504 |
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505 for (octave_idx_type i = 0; i < nr; i++) |
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506 found[i] = 0; |
| 5164 | 507 |
| 5275 | 508 for (octave_idx_type j = 0; j < nc; j++) |
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509 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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510 if (found[ridx (i)] == -j) |
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511 found[ridx (i)] = -j - 1; |
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512 |
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513 for (octave_idx_type i = 0; i < nr; i++) |
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514 if (found[i] > -nc && found[i] < 0) |
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515 idx_arg.elem (i) = -found[i]; |
| 5164 | 516 |
| 5275 | 517 for (octave_idx_type j = 0; j < nc; j++) |
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518 { |
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519 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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520 { |
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521 octave_idx_type ir = ridx (i); |
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522 octave_idx_type ix = idx_arg.elem (ir); |
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523 Complex tmp = data (i); |
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524 |
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525 if (xisnan (tmp)) |
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526 continue; |
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527 else if (ix == -1 || std::abs (tmp) < std::abs (elem (ir, ix))) |
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528 idx_arg.elem (ir) = j; |
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529 } |
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530 } |
| 5164 | 531 |
| 5275 | 532 octave_idx_type nel = 0; |
| 533 for (octave_idx_type j = 0; j < nr; j++) | |
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534 if (idx_arg.elem (j) == -1 || elem (j, idx_arg.elem (j)) != 0.) |
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535 nel++; |
| 5164 | 536 |
| 537 result = SparseComplexMatrix (nr, 1, nel); | |
| 538 | |
| 5275 | 539 octave_idx_type ii = 0; |
| 5164 | 540 result.xcidx (0) = 0; |
| 541 result.xcidx (1) = nel; | |
| 5275 | 542 for (octave_idx_type j = 0; j < nr; j++) |
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543 { |
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544 if (idx_arg(j) == -1) |
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545 { |
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546 idx_arg(j) = 0; |
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547 result.xdata (ii) = Complex_NaN_result; |
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548 result.xridx (ii++) = j; |
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549 } |
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550 else |
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551 { |
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552 Complex tmp = elem (j, idx_arg(j)); |
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553 if (tmp != 0.) |
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554 { |
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555 result.xdata (ii) = tmp; |
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556 result.xridx (ii++) = j; |
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557 } |
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558 } |
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559 } |
| 5164 | 560 } |
| 561 | |
| 562 return result; | |
| 563 } | |
| 564 | |
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565 /* |
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566 |
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567 %!assert (max (max (speye (65536) * 1i)), sparse (1i)) |
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568 %!assert (min (min (speye (65536) * 1i)), sparse (0)) |
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569 %!assert (size (max (sparse (8, 0), [], 1)), [1, 0]) |
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570 %!assert (size (max (sparse (8, 0), [], 2)), [8, 0]) |
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571 %!assert (size (max (sparse (0, 8), [], 1)), [0, 8]) |
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572 %!assert (size (max (sparse (0, 8), [], 2)), [0, 1]) |
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573 %!assert (size (min (sparse (8, 0), [], 1)), [1, 0]) |
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574 %!assert (size (min (sparse (8, 0), [], 2)), [8, 0]) |
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575 %!assert (size (min (sparse (0, 8), [], 1)), [0, 8]) |
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576 %!assert (size (min (sparse (0, 8), [], 2)), [0, 1]) |
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577 |
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578 */ |
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579 |
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580 ComplexRowVector |
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581 SparseComplexMatrix::row (octave_idx_type i) const |
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582 { |
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583 octave_idx_type nc = columns (); |
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584 ComplexRowVector retval (nc, 0); |
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585 |
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586 for (octave_idx_type j = 0; j < nc; j++) |
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587 for (octave_idx_type k = cidx (j); k < cidx (j+1); k++) |
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588 { |
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589 if (ridx (k) == i) |
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590 { |
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591 retval(j) = data (k); |
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592 break; |
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593 } |
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594 } |
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595 |
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596 return retval; |
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597 } |
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598 |
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599 ComplexColumnVector |
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600 SparseComplexMatrix::column (octave_idx_type i) const |
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601 { |
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602 octave_idx_type nr = rows (); |
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603 ComplexColumnVector retval (nr, 0); |
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604 |
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605 for (octave_idx_type k = cidx (i); k < cidx (i+1); k++) |
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606 retval(ridx (k)) = data (k); |
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607 |
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608 return retval; |
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609 } |
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610 |
| 5164 | 611 // destructive insert/delete/reorder operations |
| 612 | |
| 613 SparseComplexMatrix& | |
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614 SparseComplexMatrix::insert (const SparseMatrix& a, |
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615 octave_idx_type r, octave_idx_type c) |
| 5164 | 616 { |
| 617 SparseComplexMatrix tmp (a); | |
| 6060 | 618 return insert (tmp /*a*/, r, c); |
| 5164 | 619 } |
| 620 | |
| 621 SparseComplexMatrix& | |
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622 SparseComplexMatrix::insert (const SparseComplexMatrix& a, |
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623 octave_idx_type r, octave_idx_type c) |
| 5164 | 624 { |
| 625 MSparse<Complex>::insert (a, r, c); | |
| 626 return *this; | |
| 627 } | |
| 628 | |
| 6823 | 629 SparseComplexMatrix& |
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630 SparseComplexMatrix::insert (const SparseMatrix& a, |
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631 const Array<octave_idx_type>& indx) |
| 6823 | 632 { |
| 633 SparseComplexMatrix tmp (a); | |
| 634 return insert (tmp /*a*/, indx); | |
| 635 } | |
| 636 | |
| 637 SparseComplexMatrix& | |
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638 SparseComplexMatrix::insert (const SparseComplexMatrix& a, |
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639 const Array<octave_idx_type>& indx) |
| 6823 | 640 { |
| 641 MSparse<Complex>::insert (a, indx); | |
| 642 return *this; | |
| 643 } | |
| 644 | |
| 5164 | 645 SparseComplexMatrix |
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646 SparseComplexMatrix::concat (const SparseComplexMatrix& rb, |
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647 const Array<octave_idx_type>& ra_idx) |
| 5164 | 648 { |
| 649 // Don't use numel to avoid all possiblity of an overflow | |
| 650 if (rb.rows () > 0 && rb.cols () > 0) | |
| 651 insert (rb, ra_idx(0), ra_idx(1)); | |
| 652 return *this; | |
| 653 } | |
| 654 | |
| 655 SparseComplexMatrix | |
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656 SparseComplexMatrix::concat (const SparseMatrix& rb, |
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657 const Array<octave_idx_type>& ra_idx) |
| 5164 | 658 { |
| 659 SparseComplexMatrix tmp (rb); | |
| 660 if (rb.rows () > 0 && rb.cols () > 0) | |
| 661 insert (tmp, ra_idx(0), ra_idx(1)); | |
| 662 return *this; | |
| 663 } | |
| 664 | |
| 665 ComplexMatrix | |
| 666 SparseComplexMatrix::matrix_value (void) const | |
| 667 { | |
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668 return Sparse<Complex>::array_value (); |
| 5164 | 669 } |
| 670 | |
| 671 SparseComplexMatrix | |
| 672 SparseComplexMatrix::hermitian (void) const | |
| 673 { | |
| 5275 | 674 octave_idx_type nr = rows (); |
| 675 octave_idx_type nc = cols (); | |
| 5681 | 676 octave_idx_type nz = nnz (); |
| 5164 | 677 SparseComplexMatrix retval (nc, nr, nz); |
| 678 | |
| 5648 | 679 for (octave_idx_type i = 0; i < nz; i++) |
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680 retval.xcidx (ridx (i) + 1)++; |
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681 // retval.xcidx[1:nr] holds the row degrees for rows 0:(nr-1) |
| 5648 | 682 nz = 0; |
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683 for (octave_idx_type i = 1; i <= nr; i++) |
| 5164 | 684 { |
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685 const octave_idx_type tmp = retval.xcidx (i); |
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686 retval.xcidx (i) = nz; |
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687 nz += tmp; |
| 5164 | 688 } |
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689 // retval.xcidx[1:nr] holds row entry *start* offsets for rows 0:(nr-1) |
| 5648 | 690 |
| 691 for (octave_idx_type j = 0; j < nc; j++) | |
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692 for (octave_idx_type k = cidx (j); k < cidx (j+1); k++) |
| 5648 | 693 { |
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694 octave_idx_type q = retval.xcidx (ridx (k) + 1)++; |
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695 retval.xridx (q) = j; |
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696 retval.xdata (q) = conj (data (k)); |
| 5648 | 697 } |
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698 assert (nnz () == retval.xcidx (nr)); |
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699 // retval.xcidx[1:nr] holds row entry *end* offsets for rows 0:(nr-1) |
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700 // and retval.xcidx[0:(nr-1)] holds their row entry *start* offsets |
| 5164 | 701 |
| 702 return retval; | |
| 703 } | |
| 704 | |
| 705 SparseComplexMatrix | |
| 706 conj (const SparseComplexMatrix& a) | |
| 707 { | |
| 5275 | 708 octave_idx_type nr = a.rows (); |
| 709 octave_idx_type nc = a.cols (); | |
| 5681 | 710 octave_idx_type nz = a.nnz (); |
| 5164 | 711 SparseComplexMatrix retval (nc, nr, nz); |
| 712 | |
| 5275 | 713 for (octave_idx_type i = 0; i < nc + 1; i++) |
| 5164 | 714 retval.cidx (i) = a.cidx (i); |
| 715 | |
| 5275 | 716 for (octave_idx_type i = 0; i < nz; i++) |
| 5164 | 717 { |
| 718 retval.data (i) = conj (a.data (i)); | |
| 719 retval.ridx (i) = a.ridx (i); | |
| 720 } | |
| 721 | |
| 722 return retval; | |
| 723 } | |
| 724 | |
| 725 SparseComplexMatrix | |
| 726 SparseComplexMatrix::inverse (void) const | |
| 727 { | |
| 5275 | 728 octave_idx_type info; |
| 5164 | 729 double rcond; |
| 5785 | 730 MatrixType mattype (*this); |
| 5506 | 731 return inverse (mattype, info, rcond, 0, 0); |
| 732 } | |
| 733 | |
| 734 SparseComplexMatrix | |
| 5785 | 735 SparseComplexMatrix::inverse (MatrixType& mattype) const |
| 5506 | 736 { |
| 737 octave_idx_type info; | |
| 738 double rcond; | |
| 739 return inverse (mattype, info, rcond, 0, 0); | |
| 5164 | 740 } |
| 741 | |
| 742 SparseComplexMatrix | |
| 5785 | 743 SparseComplexMatrix::inverse (MatrixType& mattype, octave_idx_type& info) const |
| 5164 | 744 { |
| 745 double rcond; | |
| 5506 | 746 return inverse (mattype, info, rcond, 0, 0); |
| 747 } | |
| 748 | |
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749 SparseComplexMatrix |
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750 SparseComplexMatrix::dinverse (MatrixType &mattyp, octave_idx_type& info, |
|
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751 double& rcond, const bool, |
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752 const bool calccond) const |
| 5506 | 753 { |
| 754 SparseComplexMatrix retval; | |
| 755 | |
| 756 octave_idx_type nr = rows (); | |
| 757 octave_idx_type nc = cols (); | |
| 758 info = 0; | |
| 759 | |
| 760 if (nr == 0 || nc == 0 || nr != nc) | |
| 761 (*current_liboctave_error_handler) ("inverse requires square matrix"); | |
| 762 else | |
| 763 { | |
| 764 // Print spparms("spumoni") info if requested | |
| 765 int typ = mattyp.type (); | |
| 766 mattyp.info (); | |
| 767 | |
| 5785 | 768 if (typ == MatrixType::Diagonal || |
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769 typ == MatrixType::Permuted_Diagonal) |
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770 { |
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771 if (typ == MatrixType::Permuted_Diagonal) |
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772 retval = transpose (); |
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773 else |
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774 retval = *this; |
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775 |
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776 // Force make_unique to be called |
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777 Complex *v = retval.data (); |
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778 |
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779 if (calccond) |
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780 { |
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781 double dmax = 0.; |
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782 double dmin = octave_Inf; |
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783 for (octave_idx_type i = 0; i < nr; i++) |
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784 { |
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785 double tmp = std::abs (v[i]); |
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786 if (tmp > dmax) |
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787 dmax = tmp; |
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788 if (tmp < dmin) |
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789 dmin = tmp; |
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790 } |
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791 rcond = dmin / dmax; |
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792 } |
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793 |
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794 for (octave_idx_type i = 0; i < nr; i++) |
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795 v[i] = 1.0 / v[i]; |
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796 } |
| 5506 | 797 else |
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798 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5506 | 799 } |
| 800 | |
| 801 return retval; | |
| 802 } | |
| 803 | |
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804 SparseComplexMatrix |
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805 SparseComplexMatrix::tinverse (MatrixType &mattyp, octave_idx_type& info, |
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806 double& rcond, const bool, |
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807 const bool calccond) const |
| 5506 | 808 { |
| 809 SparseComplexMatrix retval; | |
| 810 | |
| 811 octave_idx_type nr = rows (); | |
| 812 octave_idx_type nc = cols (); | |
| 813 info = 0; | |
| 814 | |
| 815 if (nr == 0 || nc == 0 || nr != nc) | |
| 816 (*current_liboctave_error_handler) ("inverse requires square matrix"); | |
| 817 else | |
| 818 { | |
| 819 // Print spparms("spumoni") info if requested | |
| 820 int typ = mattyp.type (); | |
| 821 mattyp.info (); | |
| 822 | |
| 5785 | 823 if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper || |
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824 typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
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825 { |
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826 double anorm = 0.; |
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827 double ainvnorm = 0.; |
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828 |
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829 if (calccond) |
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830 { |
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831 // Calculate the 1-norm of matrix for rcond calculation |
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832 for (octave_idx_type j = 0; j < nr; j++) |
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833 { |
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834 double atmp = 0.; |
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835 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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836 atmp += std::abs (data (i)); |
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837 if (atmp > anorm) |
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838 anorm = atmp; |
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839 } |
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840 } |
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841 |
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842 if (typ == MatrixType::Upper || typ == MatrixType::Lower) |
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843 { |
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844 octave_idx_type nz = nnz (); |
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845 octave_idx_type cx = 0; |
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846 octave_idx_type nz2 = nz; |
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847 retval = SparseComplexMatrix (nr, nc, nz2); |
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848 |
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849 for (octave_idx_type i = 0; i < nr; i++) |
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850 { |
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851 octave_quit (); |
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852 // place the 1 in the identity position |
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853 octave_idx_type cx_colstart = cx; |
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854 |
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855 if (cx == nz2) |
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856 { |
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857 nz2 *= 2; |
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858 retval.change_capacity (nz2); |
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859 } |
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860 |
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861 retval.xcidx (i) = cx; |
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862 retval.xridx (cx) = i; |
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863 retval.xdata (cx) = 1.0; |
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864 cx++; |
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865 |
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866 // iterate accross columns of input matrix |
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867 for (octave_idx_type j = i+1; j < nr; j++) |
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868 { |
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869 Complex v = 0.; |
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870 // iterate to calculate sum |
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871 octave_idx_type colXp = retval.xcidx (i); |
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872 octave_idx_type colUp = cidx (j); |
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873 octave_idx_type rpX, rpU; |
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874 |
|
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875 if (cidx (j) == cidx (j+1)) |
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876 { |
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877 (*current_liboctave_error_handler) |
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878 ("division by zero"); |
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879 goto inverse_singular; |
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880 } |
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881 |
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882 do |
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883 { |
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884 octave_quit (); |
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885 rpX = retval.xridx (colXp); |
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886 rpU = ridx (colUp); |
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887 |
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888 if (rpX < rpU) |
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889 colXp++; |
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890 else if (rpX > rpU) |
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891 colUp++; |
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892 else |
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893 { |
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894 v -= retval.xdata (colXp) * data (colUp); |
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|
895 colXp++; |
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changeset
|
896 colUp++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
897 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
898 } while ((rpX<j) && (rpU<j) && |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
899 (colXp<cx) && (colUp<nz)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
900 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
901 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
902 // get A(m,m) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
903 if (typ == MatrixType::Upper) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
904 colUp = cidx (j+1) - 1; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
905 else |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
906 colUp = cidx (j); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
907 Complex pivot = data (colUp); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
908 if (pivot == 0. || ridx (colUp) != j) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
909 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
910 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
911 ("division by zero"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
912 goto inverse_singular; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
913 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
914 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
915 if (v != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
916 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
917 if (cx == nz2) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
918 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
919 nz2 *= 2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
920 retval.change_capacity (nz2); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
921 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
922 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
923 retval.xridx (cx) = j; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
924 retval.xdata (cx) = v / pivot; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
925 cx++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
926 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
927 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
928 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
929 // get A(m,m) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
930 octave_idx_type colUp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
931 if (typ == MatrixType::Upper) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
932 colUp = cidx (i+1) - 1; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
933 else |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
934 colUp = cidx (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
935 Complex pivot = data (colUp); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
936 if (pivot == 0. || ridx (colUp) != i) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
937 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
938 (*current_liboctave_error_handler) ("division by zero"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
939 goto inverse_singular; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
940 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
941 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
942 if (pivot != 1.0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
943 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
|
944 retval.xdata (j) /= pivot; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
945 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
946 retval.xcidx (nr) = cx; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
947 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
948 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
949 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
950 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
951 octave_idx_type nz = nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
952 octave_idx_type cx = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
953 octave_idx_type nz2 = nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
954 retval = SparseComplexMatrix (nr, nc, nz2); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
955 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
956 OCTAVE_LOCAL_BUFFER (Complex, work, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
957 OCTAVE_LOCAL_BUFFER (octave_idx_type, rperm, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
958 |
|
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
|
959 octave_idx_type *perm = mattyp.triangular_perm (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
960 if (typ == MatrixType::Permuted_Upper) |
|
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 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
963 rperm[perm[i]] = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
964 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
965 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
966 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
967 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
968 rperm[i] = perm[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
969 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
970 perm[rperm[i]] = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
971 } |
|
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 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
975 octave_quit (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
976 octave_idx_type iidx = rperm[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 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
979 work[j] = 0.; |
|
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 // place the 1 in the identity position |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
982 work[iidx] = 1.0; |
|
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 // iterate accross columns of input matrix |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
985 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
|
986 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
987 Complex v = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
988 octave_idx_type jidx = perm[j]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
989 // iterate to calculate sum |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
990 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
|
991 k < cidx (jidx+1); k++) |
|
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 octave_quit (); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
994 v -= work[ridx (k)] * data (k); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
995 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
996 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
997 // get A(m,m) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
998 Complex pivot; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
999 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
|
1000 pivot = data (cidx (jidx+1) - 1); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1001 else |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1002 pivot = data (cidx (jidx)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1003 if (pivot == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1004 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1005 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1006 ("division by zero"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1007 goto inverse_singular; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1008 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1009 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1010 work[j] = v / pivot; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1011 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1012 |
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1013 // get A(m,m) |
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1014 octave_idx_type colUp; |
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1015 if (typ == MatrixType::Permuted_Upper) |
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1016 colUp = cidx (perm[iidx]+1) - 1; |
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1017 else |
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1018 colUp = cidx (perm[iidx]); |
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1019 |
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1020 Complex pivot = data (colUp); |
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1021 if (pivot == 0.) |
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1022 { |
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1023 (*current_liboctave_error_handler) |
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1024 ("division by zero"); |
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1025 goto inverse_singular; |
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1026 } |
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1027 |
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1028 octave_idx_type new_cx = cx; |
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1029 for (octave_idx_type j = iidx; j < nr; j++) |
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1030 if (work[j] != 0.0) |
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1031 { |
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1032 new_cx++; |
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1033 if (pivot != 1.0) |
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1034 work[j] /= pivot; |
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1035 } |
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1036 |
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1037 if (cx < new_cx) |
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1038 { |
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1039 nz2 = (2*nz2 < new_cx ? new_cx : 2*nz2); |
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1040 retval.change_capacity (nz2); |
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1041 } |
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1042 |
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1043 retval.xcidx (i) = cx; |
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1044 for (octave_idx_type j = iidx; j < nr; j++) |
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1045 if (work[j] != 0.) |
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1046 { |
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1047 retval.xridx (cx) = j; |
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1048 retval.xdata (cx++) = work[j]; |
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1049 } |
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1050 } |
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1051 |
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1052 retval.xcidx (nr) = cx; |
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1053 retval.maybe_compress (); |
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1054 } |
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1055 |
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1056 if (calccond) |
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1057 { |
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1058 // Calculate the 1-norm of inverse matrix for rcond calculation |
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1059 for (octave_idx_type j = 0; j < nr; j++) |
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1060 { |
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1061 double atmp = 0.; |
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1062 for (octave_idx_type i = retval.cidx (j); |
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1063 i < retval.cidx (j+1); i++) |
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1064 atmp += std::abs (retval.data (i)); |
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1065 if (atmp > ainvnorm) |
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1066 ainvnorm = atmp; |
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1067 } |
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1068 |
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1069 rcond = 1. / ainvnorm / anorm; |
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1070 } |
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1071 } |
| 5506 | 1072 else |
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1073 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5506 | 1074 } |
| 1075 | |
| 1076 return retval; | |
| 5876 | 1077 |
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1078 inverse_singular: |
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1079 return SparseComplexMatrix (); |
| 5164 | 1080 } |
| 1081 | |
| 1082 SparseComplexMatrix | |
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1083 SparseComplexMatrix::inverse (MatrixType& mattype, octave_idx_type& info, |
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1084 double& rcond, int, int calc_cond) const |
| 5506 | 1085 { |
| 1086 int typ = mattype.type (false); | |
| 1087 SparseComplexMatrix ret; | |
| 1088 | |
| 5785 | 1089 if (typ == MatrixType::Unknown) |
| 5506 | 1090 typ = mattype.type (*this); |
| 1091 | |
| 5785 | 1092 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5506 | 1093 ret = dinverse (mattype, info, rcond, true, calc_cond); |
| 5785 | 1094 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
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1095 ret = tinverse (mattype, info, rcond, true, calc_cond).transpose (); |
| 5785 | 1096 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
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1097 { |
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1098 MatrixType newtype = mattype.transpose (); |
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1099 ret = transpose ().tinverse (newtype, info, rcond, true, calc_cond); |
| 6185 | 1100 } |
| 6840 | 1101 else |
| 5506 | 1102 { |
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1103 if (mattype.is_hermitian ()) |
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1104 { |
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1105 MatrixType tmp_typ (MatrixType::Upper); |
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1106 SparseComplexCHOL fact (*this, info, false); |
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1107 rcond = fact.rcond (); |
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1108 if (info == 0) |
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1109 { |
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1110 double rcond2; |
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1111 SparseMatrix Q = fact.Q (); |
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1112 SparseComplexMatrix InvL = fact.L ().transpose (). |
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1113 tinverse (tmp_typ, info, rcond2, |
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1114 true, false); |
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1115 ret = Q * InvL.hermitian () * InvL * Q.transpose (); |
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1116 } |
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1117 else |
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1118 { |
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1119 // Matrix is either singular or not positive definite |
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1120 mattype.mark_as_unsymmetric (); |
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1121 typ = MatrixType::Full; |
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1122 } |
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1123 } |
| 5506 | 1124 |
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1125 if (!mattype.is_hermitian ()) |
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1126 { |
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1127 octave_idx_type n = rows (); |
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1128 ColumnVector Qinit(n); |
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1129 for (octave_idx_type i = 0; i < n; i++) |
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1130 Qinit(i) = i; |
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1131 |
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1132 MatrixType tmp_typ (MatrixType::Upper); |
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1133 SparseComplexLU fact (*this, Qinit, Matrix (), false, false); |
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1134 rcond = fact.rcond (); |
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1135 double rcond2; |
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1136 SparseComplexMatrix InvL = fact.L ().transpose (). |
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1137 tinverse (tmp_typ, info, rcond2, |
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1138 true, false); |
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1139 SparseComplexMatrix InvU = fact.U (). |
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1140 tinverse (tmp_typ, info, rcond2, |
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1141 true, false).transpose (); |
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1142 ret = fact.Pc ().transpose () * InvU * InvL * fact.Pr (); |
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1143 } |
| 5506 | 1144 } |
| 1145 | |
| 1146 return ret; | |
| 5164 | 1147 } |
| 1148 | |
| 1149 ComplexDET | |
| 1150 SparseComplexMatrix::determinant (void) const | |
| 1151 { | |
| 5275 | 1152 octave_idx_type info; |
| 5164 | 1153 double rcond; |
| 1154 return determinant (info, rcond, 0); | |
| 1155 } | |
| 1156 | |
| 1157 ComplexDET | |
| 5275 | 1158 SparseComplexMatrix::determinant (octave_idx_type& info) const |
| 5164 | 1159 { |
| 1160 double rcond; | |
| 1161 return determinant (info, rcond, 0); | |
| 1162 } | |
| 1163 | |
| 1164 ComplexDET | |
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1165 SparseComplexMatrix::determinant (octave_idx_type& err, double& rcond, |
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1166 int) const |
| 5164 | 1167 { |
| 1168 ComplexDET retval; | |
| 5203 | 1169 #ifdef HAVE_UMFPACK |
| 5164 | 1170 |
| 5275 | 1171 octave_idx_type nr = rows (); |
| 1172 octave_idx_type nc = cols (); | |
| 5164 | 1173 |
| 1174 if (nr == 0 || nc == 0 || nr != nc) | |
| 1175 { | |
| 8335 | 1176 retval = ComplexDET (1.0); |
| 5164 | 1177 } |
| 1178 else | |
| 1179 { | |
| 1180 err = 0; | |
| 1181 | |
| 1182 // Setup the control parameters | |
| 1183 Matrix Control (UMFPACK_CONTROL, 1); | |
| 1184 double *control = Control.fortran_vec (); | |
| 5322 | 1185 UMFPACK_ZNAME (defaults) (control); |
| 5164 | 1186 |
| 5893 | 1187 double tmp = octave_sparse_params::get_key ("spumoni"); |
| 5164 | 1188 if (!xisnan (tmp)) |
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1189 Control (UMFPACK_PRL) = tmp; |
| 5164 | 1190 |
| 5893 | 1191 tmp = octave_sparse_params::get_key ("piv_tol"); |
| 5164 | 1192 if (!xisnan (tmp)) |
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1193 { |
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1194 Control (UMFPACK_SYM_PIVOT_TOLERANCE) = tmp; |
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1195 Control (UMFPACK_PIVOT_TOLERANCE) = tmp; |
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1196 } |
| 5164 | 1197 |
| 1198 // Set whether we are allowed to modify Q or not | |
| 5893 | 1199 tmp = octave_sparse_params::get_key ("autoamd"); |
| 5164 | 1200 if (!xisnan (tmp)) |
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1201 Control (UMFPACK_FIXQ) = tmp; |
| 5164 | 1202 |
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1203 // Turn-off UMFPACK scaling for LU |
| 5164 | 1204 Control (UMFPACK_SCALE) = UMFPACK_SCALE_NONE; |
| 1205 | |
| 5322 | 1206 UMFPACK_ZNAME (report_control) (control); |
| 5164 | 1207 |
| 5275 | 1208 const octave_idx_type *Ap = cidx (); |
| 1209 const octave_idx_type *Ai = ridx (); | |
| 5164 | 1210 const Complex *Ax = data (); |
| 1211 | |
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1212 UMFPACK_ZNAME (report_matrix) (nr, nc, Ap, Ai, |
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1213 reinterpret_cast<const double *> (Ax), |
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1214 0, 1, control); |
| 5164 | 1215 |
| 1216 void *Symbolic; | |
| 1217 Matrix Info (1, UMFPACK_INFO); | |
| 1218 double *info = Info.fortran_vec (); | |
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1219 int status = UMFPACK_ZNAME (qsymbolic) |
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1220 (nr, nc, Ap, Ai, reinterpret_cast<const double *> (Ax), 0, |
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1221 0, &Symbolic, control, info); |
| 5164 | 1222 |
| 1223 if (status < 0) | |
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1224 { |
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1225 (*current_liboctave_error_handler) |
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1226 ("SparseComplexMatrix::determinant symbolic factorization failed"); |
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1227 |
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1228 UMFPACK_ZNAME (report_status) (control, status); |
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1229 UMFPACK_ZNAME (report_info) (control, info); |
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1230 |
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1231 UMFPACK_ZNAME (free_symbolic) (&Symbolic); |
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1232 } |
| 5164 | 1233 else |
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1234 { |
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1235 UMFPACK_ZNAME (report_symbolic) (Symbolic, control); |
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1236 |
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1237 void *Numeric; |
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1238 status |
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1239 = UMFPACK_ZNAME (numeric) (Ap, Ai, |
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1240 reinterpret_cast<const double *> (Ax), |
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1241 0, Symbolic, &Numeric, control, info); |
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1242 UMFPACK_ZNAME (free_symbolic) (&Symbolic); |
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1243 |
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1244 rcond = Info (UMFPACK_RCOND); |
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1245 |
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1246 if (status < 0) |
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1247 { |
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1248 (*current_liboctave_error_handler) |
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1249 ("SparseComplexMatrix::determinant numeric factorization failed"); |
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1250 |
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1251 UMFPACK_ZNAME (report_status) (control, status); |
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1252 UMFPACK_ZNAME (report_info) (control, info); |
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1253 |
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1254 UMFPACK_ZNAME (free_numeric) (&Numeric); |
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1255 } |
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1256 else |
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1257 { |
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1258 UMFPACK_ZNAME (report_numeric) (Numeric, control); |
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1259 |
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1260 double c10[2], e10; |
| 8335 | 1261 |
| 1262 status = UMFPACK_ZNAME (get_determinant) (c10, 0, &e10, | |
| 1263 Numeric, info); | |
| 5164 | 1264 |
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1265 if (status < 0) |
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1266 { |
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1267 (*current_liboctave_error_handler) |
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1268 ("SparseComplexMatrix::determinant error calculating determinant"); |
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1269 |
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1270 UMFPACK_ZNAME (report_status) (control, status); |
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1271 UMFPACK_ZNAME (report_info) (control, info); |
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1272 } |
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1273 else |
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1274 retval = ComplexDET (Complex (c10[0], c10[1]), e10, 10); |
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1275 |
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1276 UMFPACK_ZNAME (free_numeric) (&Numeric); |
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1277 } |
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1278 } |
| 5164 | 1279 } |
| 5203 | 1280 #else |
| 1281 (*current_liboctave_error_handler) ("UMFPACK not installed"); | |
| 1282 #endif | |
| 5164 | 1283 |
| 1284 return retval; | |
| 1285 } | |
| 1286 | |
| 1287 ComplexMatrix | |
| 5785 | 1288 SparseComplexMatrix::dsolve (MatrixType &mattype, const Matrix& b, |
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1289 octave_idx_type& err, double& rcond, |
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1290 solve_singularity_handler, bool calc_cond) const |
| 5164 | 1291 { |
| 1292 ComplexMatrix retval; | |
| 1293 | |
| 5275 | 1294 octave_idx_type nr = rows (); |
| 1295 octave_idx_type nc = cols (); | |
| 5630 | 1296 octave_idx_type nm = (nc < nr ? nc : nr); |
| 5164 | 1297 err = 0; |
| 1298 | |
| 6924 | 1299 if (nr != b.rows ()) |
| 5164 | 1300 (*current_liboctave_error_handler) |
| 1301 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1302 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1303 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 1304 else |
| 1305 { | |
| 1306 // Print spparms("spumoni") info if requested | |
| 1307 int typ = mattype.type (); | |
| 1308 mattype.info (); | |
| 1309 | |
| 5785 | 1310 if (typ == MatrixType::Diagonal || |
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1311 typ == MatrixType::Permuted_Diagonal) |
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1312 { |
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1313 retval.resize (nc, b.cols (), Complex (0.,0.)); |
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1314 if (typ == MatrixType::Diagonal) |
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1315 for (octave_idx_type j = 0; j < b.cols (); j++) |
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1316 for (octave_idx_type i = 0; i < nm; i++) |
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1317 retval(i,j) = b(i,j) / data (i); |
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1318 else |
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1319 for (octave_idx_type j = 0; j < b.cols (); j++) |
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1320 for (octave_idx_type k = 0; k < nc; k++) |
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1321 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
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1322 retval(k,j) = b(ridx (i),j) / data (i); |
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1323 |
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1324 if (calc_cond) |
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1325 { |
|
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1326 double dmax = 0.; |
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1327 double dmin = octave_Inf; |
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1328 for (octave_idx_type i = 0; i < nm; i++) |
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1329 { |
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1330 double tmp = std::abs (data (i)); |
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1331 if (tmp > dmax) |
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1332 dmax = tmp; |
|
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1333 if (tmp < dmin) |
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1334 dmin = tmp; |
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1335 } |
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1336 rcond = dmin / dmax; |
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1337 } |
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1338 else |
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1339 rcond = 1.0; |
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1340 } |
| 5164 | 1341 else |
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1342 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1343 } |
| 1344 | |
| 1345 return retval; | |
| 1346 } | |
| 1347 | |
| 1348 SparseComplexMatrix | |
| 5785 | 1349 SparseComplexMatrix::dsolve (MatrixType &mattype, const SparseMatrix& b, |
|
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1350 octave_idx_type& err, double& rcond, |
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1351 solve_singularity_handler, |
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1352 bool calc_cond) const |
| 5164 | 1353 { |
| 1354 SparseComplexMatrix retval; | |
| 1355 | |
| 5275 | 1356 octave_idx_type nr = rows (); |
| 1357 octave_idx_type nc = cols (); | |
| 5630 | 1358 octave_idx_type nm = (nc < nr ? nc : nr); |
| 5164 | 1359 err = 0; |
| 1360 | |
| 6924 | 1361 if (nr != b.rows ()) |
| 5164 | 1362 (*current_liboctave_error_handler) |
| 1363 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1364 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1365 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 1366 else |
| 1367 { | |
| 1368 // Print spparms("spumoni") info if requested | |
| 1369 int typ = mattype.type (); | |
| 1370 mattype.info (); | |
| 1371 | |
| 5785 | 1372 if (typ == MatrixType::Diagonal || |
|
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1373 typ == MatrixType::Permuted_Diagonal) |
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1374 { |
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1375 octave_idx_type b_nc = b.cols (); |
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1376 octave_idx_type b_nz = b.nnz (); |
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1377 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
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1378 |
|
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1379 retval.xcidx (0) = 0; |
|
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1380 octave_idx_type ii = 0; |
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1381 if (typ == MatrixType::Diagonal) |
|
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1382 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
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1383 { |
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1384 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
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1385 { |
|
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1386 if (b.ridx (i) >= nm) |
|
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1387 break; |
|
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1388 retval.xridx (ii) = b.ridx (i); |
|
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1389 retval.xdata (ii++) = b.data (i) / data (b.ridx (i)); |
|
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1390 } |
|
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1391 retval.xcidx (j+1) = ii; |
|
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1392 } |
|
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|
1393 else |
|
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1394 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
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1395 { |
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|
1396 for (octave_idx_type l = 0; l < nc; l++) |
|
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1397 for (octave_idx_type i = cidx (l); i < cidx (l+1); i++) |
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1398 { |
|
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|
1399 bool found = false; |
|
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1400 octave_idx_type k; |
|
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1401 for (k = b.cidx (j); k < b.cidx (j+1); k++) |
|
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1402 if (ridx (i) == b.ridx (k)) |
|
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1403 { |
|
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|
1404 found = true; |
|
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|
1405 break; |
|
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|
1406 } |
|
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1407 if (found) |
|
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1408 { |
|
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|
1409 retval.xridx (ii) = l; |
|
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1410 retval.xdata (ii++) = b.data (k) / data (i); |
|
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1411 } |
|
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1412 } |
|
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1413 retval.xcidx (j+1) = ii; |
|
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1414 } |
|
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1415 |
|
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|
1416 if (calc_cond) |
|
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1417 { |
|
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1418 double dmax = 0.; |
|
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|
1419 double dmin = octave_Inf; |
|
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|
1420 for (octave_idx_type i = 0; i < nm; i++) |
|
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1421 { |
|
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1422 double tmp = std::abs (data (i)); |
|
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1423 if (tmp > dmax) |
|
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|
1424 dmax = tmp; |
|
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|
1425 if (tmp < dmin) |
|
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|
1426 dmin = tmp; |
|
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|
1427 } |
|
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|
1428 rcond = dmin / dmax; |
|
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|
1429 } |
|
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|
1430 else |
|
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|
1431 rcond = 1.0; |
|
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|
1432 } |
| 5164 | 1433 else |
|
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|
1434 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1435 } |
| 1436 | |
| 1437 return retval; | |
| 1438 } | |
| 1439 | |
| 1440 ComplexMatrix | |
| 5785 | 1441 SparseComplexMatrix::dsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
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1442 octave_idx_type& err, double& rcond, |
|
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|
1443 solve_singularity_handler, |
|
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|
1444 bool calc_cond) const |
| 5164 | 1445 { |
| 1446 ComplexMatrix retval; | |
| 1447 | |
| 5275 | 1448 octave_idx_type nr = rows (); |
| 1449 octave_idx_type nc = cols (); | |
| 5630 | 1450 octave_idx_type nm = (nc < nr ? nc : nr); |
| 5164 | 1451 err = 0; |
| 1452 | |
| 6924 | 1453 if (nr != b.rows ()) |
| 5164 | 1454 (*current_liboctave_error_handler) |
| 1455 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1456 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1457 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 1458 else |
| 1459 { | |
| 1460 // Print spparms("spumoni") info if requested | |
| 1461 int typ = mattype.type (); | |
| 1462 mattype.info (); | |
| 1463 | |
| 5785 | 1464 if (typ == MatrixType::Diagonal || |
|
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|
1465 typ == MatrixType::Permuted_Diagonal) |
|
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|
1466 { |
|
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|
1467 retval.resize (nc, b.cols (), Complex (0.,0.)); |
|
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|
1468 if (typ == MatrixType::Diagonal) |
|
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|
1469 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
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|
1470 for (octave_idx_type i = 0; i < nm; i++) |
|
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|
1471 retval(i,j) = b(i,j) / data (i); |
|
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1472 else |
|
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|
1473 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
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|
1474 for (octave_idx_type k = 0; k < nc; k++) |
|
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1475 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
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1476 retval(k,j) = b(ridx (i),j) / data (i); |
|
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1477 |
|
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|
1478 if (calc_cond) |
|
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1479 { |
|
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|
1480 double dmax = 0.; |
|
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1481 double dmin = octave_Inf; |
|
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|
1482 for (octave_idx_type i = 0; i < nr; i++) |
|
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1483 { |
|
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1484 double tmp = std::abs (data (i)); |
|
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|
1485 if (tmp > dmax) |
|
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|
1486 dmax = tmp; |
|
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|
1487 if (tmp < dmin) |
|
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|
1488 dmin = tmp; |
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|
1489 } |
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|
1490 rcond = dmin / dmax; |
|
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|
1491 } |
|
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|
1492 else |
|
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|
1493 rcond = 1.0; |
|
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|
1494 } |
| 5164 | 1495 else |
|
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|
1496 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1497 } |
| 1498 | |
| 1499 return retval; | |
| 1500 } | |
| 1501 | |
| 1502 SparseComplexMatrix | |
| 5785 | 1503 SparseComplexMatrix::dsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
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|
1504 octave_idx_type& err, double& rcond, |
|
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|
1505 solve_singularity_handler, |
|
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|
1506 bool calc_cond) const |
| 5164 | 1507 { |
| 1508 SparseComplexMatrix retval; | |
| 1509 | |
| 5275 | 1510 octave_idx_type nr = rows (); |
| 1511 octave_idx_type nc = cols (); | |
| 5630 | 1512 octave_idx_type nm = (nc < nr ? nc : nr); |
| 5164 | 1513 err = 0; |
| 1514 | |
| 6924 | 1515 if (nr != b.rows ()) |
| 5164 | 1516 (*current_liboctave_error_handler) |
| 1517 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1518 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1519 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 1520 else |
| 1521 { | |
| 1522 // Print spparms("spumoni") info if requested | |
| 1523 int typ = mattype.type (); | |
| 1524 mattype.info (); | |
| 1525 | |
| 5785 | 1526 if (typ == MatrixType::Diagonal || |
|
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|
1527 typ == MatrixType::Permuted_Diagonal) |
|
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|
1528 { |
|
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|
1529 octave_idx_type b_nc = b.cols (); |
|
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|
1530 octave_idx_type b_nz = b.nnz (); |
|
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|
1531 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
|
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|
1532 |
|
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|
1533 retval.xcidx (0) = 0; |
|
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|
1534 octave_idx_type ii = 0; |
|
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|
1535 if (typ == MatrixType::Diagonal) |
|
14846
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|
1536 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
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|
1537 { |
|
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|
1538 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
|
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|
1539 { |
|
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|
1540 if (b.ridx (i) >= nm) |
|
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|
1541 break; |
|
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|
1542 retval.xridx (ii) = b.ridx (i); |
|
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|
1543 retval.xdata (ii++) = b.data (i) / data (b.ridx (i)); |
|
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|
1544 } |
|
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|
1545 retval.xcidx (j+1) = ii; |
|
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|
1546 } |
|
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|
1547 else |
|
14846
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|
1548 for (octave_idx_type j = 0; j < b.cols (); j++) |
|
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|
1549 { |
|
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|
1550 for (octave_idx_type l = 0; l < nc; l++) |
|
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|
1551 for (octave_idx_type i = cidx (l); i < cidx (l+1); i++) |
|
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|
1552 { |
|
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|
1553 bool found = false; |
|
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|
1554 octave_idx_type k; |
|
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|
1555 for (k = b.cidx (j); k < b.cidx (j+1); k++) |
|
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|
1556 if (ridx (i) == b.ridx (k)) |
|
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|
1557 { |
|
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|
1558 found = true; |
|
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|
1559 break; |
|
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|
1560 } |
|
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|
1561 if (found) |
|
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|
1562 { |
|
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|
1563 retval.xridx (ii) = l; |
|
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|
1564 retval.xdata (ii++) = b.data (k) / data (i); |
|
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|
1565 } |
|
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|
1566 } |
|
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|
1567 retval.xcidx (j+1) = ii; |
|
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|
1568 } |
|
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|
1569 |
|
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|
1570 if (calc_cond) |
|
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|
1571 { |
|
18084
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|
1572 double dmax = 0.; |
|
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|
1573 double dmin = octave_Inf; |
|
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|
1574 for (octave_idx_type i = 0; i < nm; i++) |
|
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|
1575 { |
|
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|
1576 double tmp = std::abs (data (i)); |
|
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|
1577 if (tmp > dmax) |
|
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|
1578 dmax = tmp; |
|
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|
1579 if (tmp < dmin) |
|
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|
1580 dmin = tmp; |
|
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|
1581 } |
|
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|
1582 rcond = dmin / dmax; |
|
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|
1583 } |
|
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|
1584 else |
|
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|
1585 rcond = 1.0; |
|
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|
1586 } |
| 5164 | 1587 else |
|
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|
1588 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1589 } |
| 1590 | |
| 1591 return retval; | |
| 1592 } | |
| 1593 | |
| 1594 ComplexMatrix | |
| 5785 | 1595 SparseComplexMatrix::utsolve (MatrixType &mattype, const Matrix& b, |
|
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1596 octave_idx_type& err, double& rcond, |
|
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|
1597 solve_singularity_handler sing_handler, |
|
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|
1598 bool calc_cond) const |
| 5164 | 1599 { |
| 1600 ComplexMatrix retval; | |
| 1601 | |
| 5275 | 1602 octave_idx_type nr = rows (); |
| 1603 octave_idx_type nc = cols (); | |
| 5630 | 1604 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 1605 err = 0; |
| 1606 | |
| 6924 | 1607 if (nr != b.rows ()) |
| 5164 | 1608 (*current_liboctave_error_handler) |
| 1609 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1610 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1611 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 1612 else |
| 1613 { | |
| 1614 // Print spparms("spumoni") info if requested | |
| 1615 int typ = mattype.type (); | |
| 1616 mattype.info (); | |
| 1617 | |
| 5785 | 1618 if (typ == MatrixType::Permuted_Upper || |
|
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|
1619 typ == MatrixType::Upper) |
|
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|
1620 { |
|
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|
1621 double anorm = 0.; |
|
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|
1622 double ainvnorm = 0.; |
|
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|
1623 octave_idx_type b_nc = b.cols (); |
|
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1624 rcond = 1.; |
|
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|
1625 |
|
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|
1626 if (calc_cond) |
|
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1627 { |
|
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|
1628 // Calculate the 1-norm of matrix for rcond calculation |
|
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|
1629 for (octave_idx_type j = 0; j < nc; j++) |
|
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|
1630 { |
|
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|
1631 double atmp = 0.; |
|
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1632 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
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|
1633 atmp += std::abs (data (i)); |
|
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|
1634 if (atmp > anorm) |
|
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|
1635 anorm = atmp; |
|
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|
1636 } |
|
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|
1637 } |
|
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|
1638 |
|
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|
1639 if (typ == MatrixType::Permuted_Upper) |
|
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|
1640 { |
|
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|
1641 retval.resize (nc, b_nc); |
|
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|
1642 octave_idx_type *perm = mattype.triangular_perm (); |
|
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|
1643 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
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|
1644 |
|
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changeset
|
1645 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
|
1646 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1647 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1648 work[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1649 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1650 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1651 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1652 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
|
1653 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1654 octave_idx_type kidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1655 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1656 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1657 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1658 if (ridx (cidx (kidx+1)-1) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1659 data (cidx (kidx+1)-1) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1660 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1661 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1662 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1663 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1664 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1665 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
|
1666 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1667 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
|
1668 i < cidx (kidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1669 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1670 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
|
1671 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1672 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1673 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1674 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1675 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1676 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
|
1677 retval(perm[i], j) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1678 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1679 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1680 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1681 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1682 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1683 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1684 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1685 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1686 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1687 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1688 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1689 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1690 for (octave_idx_type k = j; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1691 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1692 octave_idx_type iidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1693 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1694 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1695 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1696 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
|
1697 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1698 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
|
1699 i < cidx (iidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1700 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1701 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
|
1702 work[idx2] = work[idx2] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1703 } |
|
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 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1707 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
|
1708 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1709 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1710 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1711 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1712 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1713 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1714 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1715 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1716 } |
|
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 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1719 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1720 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1721 retval.resize (nc, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1722 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1723 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
|
1724 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1725 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1726 work[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1727 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1728 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1729 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1730 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
|
1731 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1732 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1733 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1734 if (ridx (cidx (k+1)-1) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1735 data (cidx (k+1)-1) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1736 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1737 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1738 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1739 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1740 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1741 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
|
1742 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1743 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
|
1744 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1745 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
|
1746 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1747 } |
|
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 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1752 retval.xelem (i, j) = work[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1753 } |
|
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 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1756 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1757 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
1758 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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1759 work[i] = 0.; |
|
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1760 |
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1761 for (octave_idx_type j = 0; j < nr; j++) |
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1762 { |
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1763 work[j] = 1.; |
|
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1764 |
|
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1765 for (octave_idx_type k = j; k >= 0; k--) |
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1766 { |
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1767 if (work[k] != 0.) |
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1768 { |
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1769 Complex tmp = work[k] / data (cidx (k+1)-1); |
|
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1770 work[k] = tmp; |
|
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1771 for (octave_idx_type i = cidx (k); |
|
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1772 i < cidx (k+1)-1; i++) |
|
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1773 { |
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1774 octave_idx_type iidx = ridx (i); |
|
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1775 work[iidx] = work[iidx] - tmp * data (i); |
|
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1776 } |
|
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1777 } |
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1778 } |
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1779 double atmp = 0; |
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1780 for (octave_idx_type i = 0; i < j+1; i++) |
|
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1781 { |
|
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1782 atmp += std::abs (work[i]); |
|
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1783 work[i] = 0.; |
|
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1784 } |
|
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1785 if (atmp > ainvnorm) |
|
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1786 ainvnorm = atmp; |
|
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1787 } |
|
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1788 rcond = 1. / ainvnorm / anorm; |
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1789 } |
|
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1790 } |
|
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1791 |
|
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1792 triangular_error: |
|
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1793 if (err != 0) |
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1794 { |
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1795 if (sing_handler) |
|
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1796 { |
|
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1797 sing_handler (rcond); |
|
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1798 mattype.mark_as_rectangular (); |
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1799 } |
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1800 else |
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1801 (*current_liboctave_error_handler) |
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1802 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
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1803 rcond); |
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1804 } |
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1805 |
|
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1806 volatile double rcond_plus_one = rcond + 1.0; |
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1807 |
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1808 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
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1809 { |
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1810 err = -2; |
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1811 |
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1812 if (sing_handler) |
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1813 { |
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1814 sing_handler (rcond); |
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1815 mattype.mark_as_rectangular (); |
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1816 } |
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1817 else |
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1818 (*current_liboctave_error_handler) |
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1819 ("matrix singular to machine precision, rcond = %g", |
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1820 rcond); |
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1821 } |
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1822 } |
| 5164 | 1823 else |
|
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1824 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 1825 } |
| 1826 | |
| 1827 return retval; | |
| 1828 } | |
| 1829 | |
| 1830 SparseComplexMatrix | |
| 5785 | 1831 SparseComplexMatrix::utsolve (MatrixType &mattype, const SparseMatrix& b, |
|
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1832 octave_idx_type& err, double& rcond, |
|
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1833 solve_singularity_handler sing_handler, |
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1834 bool calc_cond) const |
| 5164 | 1835 { |
| 1836 SparseComplexMatrix retval; | |
| 1837 | |
| 5275 | 1838 octave_idx_type nr = rows (); |
| 1839 octave_idx_type nc = cols (); | |
| 5630 | 1840 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 1841 err = 0; |
| 1842 | |
| 6924 | 1843 if (nr != b.rows ()) |
| 5164 | 1844 (*current_liboctave_error_handler) |
| 1845 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 1846 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 1847 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 1848 else |
| 1849 { | |
| 1850 // Print spparms("spumoni") info if requested | |
| 1851 int typ = mattype.type (); | |
| 1852 mattype.info (); | |
| 1853 | |
| 5785 | 1854 if (typ == MatrixType::Permuted_Upper || |
|
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1855 typ == MatrixType::Upper) |
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1856 { |
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1857 double anorm = 0.; |
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1858 double ainvnorm = 0.; |
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1859 rcond = 1.; |
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1860 |
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1861 if (calc_cond) |
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1862 { |
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1863 // Calculate the 1-norm of matrix for rcond calculation |
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1864 for (octave_idx_type j = 0; j < nc; j++) |
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1865 { |
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1866 double atmp = 0.; |
|
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1867 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
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1868 atmp += std::abs (data (i)); |
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1869 if (atmp > anorm) |
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1870 anorm = atmp; |
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1871 } |
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1872 } |
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1873 |
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1874 octave_idx_type b_nc = b.cols (); |
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1875 octave_idx_type b_nz = b.nnz (); |
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1876 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
|
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1877 retval.xcidx (0) = 0; |
|
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1878 octave_idx_type ii = 0; |
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1879 octave_idx_type x_nz = b_nz; |
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1880 |
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1881 if (typ == MatrixType::Permuted_Upper) |
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1882 { |
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1883 octave_idx_type *perm = mattype.triangular_perm (); |
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1884 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
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1885 |
|
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1886 OCTAVE_LOCAL_BUFFER (octave_idx_type, rperm, nc); |
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1887 for (octave_idx_type i = 0; i < nc; i++) |
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1888 rperm[perm[i]] = i; |
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1889 |
|
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1890 for (octave_idx_type j = 0; j < b_nc; j++) |
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1891 { |
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1892 for (octave_idx_type i = 0; i < nm; i++) |
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1893 work[i] = 0.; |
|
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1894 for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) |
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1895 work[b.ridx (i)] = b.data (i); |
|
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1896 |
|
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1897 for (octave_idx_type k = nc-1; k >= 0; k--) |
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1898 { |
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1899 octave_idx_type kidx = perm[k]; |
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1900 |
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1901 if (work[k] != 0.) |
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1902 { |
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1903 if (ridx (cidx (kidx+1)-1) != k || |
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1904 data (cidx (kidx+1)-1) == 0.) |
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1905 { |
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1906 err = -2; |
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1907 goto triangular_error; |
|
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1908 } |
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1909 |
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1910 Complex tmp = work[k] / data (cidx (kidx+1)-1); |
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1911 work[k] = tmp; |
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1912 for (octave_idx_type i = cidx (kidx); |
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1913 i < cidx (kidx+1)-1; i++) |
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1914 { |
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1915 octave_idx_type iidx = ridx (i); |
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1916 work[iidx] = work[iidx] - tmp * data (i); |
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1917 } |
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1918 } |
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1919 } |
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1920 |
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1921 // Count non-zeros in work vector and adjust space in |
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1922 // retval if needed |
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1923 octave_idx_type new_nnz = 0; |
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1924 for (octave_idx_type i = 0; i < nc; i++) |
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1925 if (work[i] != 0.) |
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1926 new_nnz++; |
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1927 |
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1928 if (ii + new_nnz > x_nz) |
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|
1929 { |
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1930 // Resize the sparse matrix |
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1931 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
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1932 retval.change_capacity (sz); |
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1933 x_nz = sz; |
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|
1934 } |
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1935 |
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1936 for (octave_idx_type i = 0; i < nc; i++) |
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1937 if (work[rperm[i]] != 0.) |
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|
1938 { |
|
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1939 retval.xridx (ii) = i; |
|
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1940 retval.xdata (ii++) = work[rperm[i]]; |
|
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1941 } |
|
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1942 retval.xcidx (j+1) = ii; |
|
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1943 } |
|
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|
1944 |
|
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|
1945 retval.maybe_compress (); |
|
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|
1946 |
|
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|
1947 if (calc_cond) |
|
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|
1948 { |
|
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|
1949 // Calculation of 1-norm of inv(*this) |
|
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1950 for (octave_idx_type i = 0; i < nm; i++) |
|
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|
1951 work[i] = 0.; |
|
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|
1952 |
|
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|
1953 for (octave_idx_type j = 0; j < nr; j++) |
|
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|
1954 { |
|
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changeset
|
1955 work[j] = 1.; |
|
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|
1956 |
|
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|
1957 for (octave_idx_type k = j; k >= 0; k--) |
|
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|
1958 { |
|
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|
1959 octave_idx_type iidx = perm[k]; |
|
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changeset
|
1960 |
|
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changeset
|
1961 if (work[k] != 0.) |
|
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changeset
|
1962 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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parents:
14846
diff
changeset
|
1963 Complex tmp = work[k] / data (cidx (iidx+1)-1); |
|
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|
1964 work[k] = tmp; |
|
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|
1965 for (octave_idx_type i = cidx (iidx); |
|
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maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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changeset
|
1966 i < cidx (iidx+1)-1; i++) |
|
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changeset
|
1967 { |
|
15018
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maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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diff
changeset
|
1968 octave_idx_type idx2 = ridx (i); |
|
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maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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changeset
|
1969 work[idx2] = work[idx2] - tmp * data (i); |
|
10314
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changeset
|
1970 } |
|
07ebe522dac2
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10158
diff
changeset
|
1971 } |
|
07ebe522dac2
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diff
changeset
|
1972 } |
|
07ebe522dac2
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changeset
|
1973 double atmp = 0; |
|
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changeset
|
1974 for (octave_idx_type i = 0; i < j+1; i++) |
|
07ebe522dac2
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changeset
|
1975 { |
|
15018
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maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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diff
changeset
|
1976 atmp += std::abs (work[i]); |
|
10314
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|
1977 work[i] = 0.; |
|
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changeset
|
1978 } |
|
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changeset
|
1979 if (atmp > ainvnorm) |
|
07ebe522dac2
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changeset
|
1980 ainvnorm = atmp; |
|
07ebe522dac2
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diff
changeset
|
1981 } |
|
07ebe522dac2
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changeset
|
1982 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
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diff
changeset
|
1983 } |
|
07ebe522dac2
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diff
changeset
|
1984 } |
|
07ebe522dac2
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diff
changeset
|
1985 else |
|
07ebe522dac2
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diff
changeset
|
1986 { |
|
07ebe522dac2
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changeset
|
1987 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
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changeset
|
1988 |
|
07ebe522dac2
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changeset
|
1989 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
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diff
changeset
|
1990 { |
|
07ebe522dac2
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diff
changeset
|
1991 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
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changeset
|
1992 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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diff
changeset
|
1993 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
|
1994 work[b.ridx (i)] = b.data (i); |
|
10314
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changeset
|
1995 |
|
07ebe522dac2
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changeset
|
1996 for (octave_idx_type k = nc-1; k >= 0; k--) |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1997 { |
|
07ebe522dac2
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diff
changeset
|
1998 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1999 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2000 if (ridx (cidx (k+1)-1) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2001 data (cidx (k+1)-1) == 0.) |
|
10314
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2002 { |
|
07ebe522dac2
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diff
changeset
|
2003 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2004 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2005 } |
|
10314
07ebe522dac2
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diff
changeset
|
2006 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2007 Complex tmp = work[k] / data (cidx (k+1)-1); |
|
10314
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changeset
|
2008 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2009 for (octave_idx_type i = cidx (k); i < cidx (k+1)-1; i++) |
|
10314
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diff
changeset
|
2010 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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2011 octave_idx_type iidx = ridx (i); |
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2012 work[iidx] = work[iidx] - tmp * data (i); |
|
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2013 } |
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2014 } |
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|
2015 } |
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|
2016 |
|
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2017 // Count non-zeros in work vector and adjust space in |
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2018 // retval if needed |
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2019 octave_idx_type new_nnz = 0; |
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2020 for (octave_idx_type i = 0; i < nc; i++) |
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2021 if (work[i] != 0.) |
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2022 new_nnz++; |
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|
2023 |
|
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2024 if (ii + new_nnz > x_nz) |
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2025 { |
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2026 // Resize the sparse matrix |
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2027 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
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2028 retval.change_capacity (sz); |
|
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2029 x_nz = sz; |
|
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2030 } |
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|
2031 |
|
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2032 for (octave_idx_type i = 0; i < nc; i++) |
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|
2033 if (work[i] != 0.) |
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2034 { |
|
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2035 retval.xridx (ii) = i; |
|
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2036 retval.xdata (ii++) = work[i]; |
|
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2037 } |
|
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|
2038 retval.xcidx (j+1) = ii; |
|
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2039 } |
|
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|
2040 |
|
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2041 retval.maybe_compress (); |
|
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|
2042 |
|
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2043 if (calc_cond) |
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|
2044 { |
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2045 // Calculation of 1-norm of inv(*this) |
|
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2046 for (octave_idx_type i = 0; i < nm; i++) |
|
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|
2047 work[i] = 0.; |
|
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|
2048 |
|
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2049 for (octave_idx_type j = 0; j < nr; j++) |
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2050 { |
|
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|
2051 work[j] = 1.; |
|
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|
2052 |
|
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|
2053 for (octave_idx_type k = j; k >= 0; k--) |
|
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|
2054 { |
|
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|
2055 if (work[k] != 0.) |
|
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|
2056 { |
|
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|
2057 Complex tmp = work[k] / data (cidx (k+1)-1); |
|
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|
2058 work[k] = tmp; |
|
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|
2059 for (octave_idx_type i = cidx (k); |
|
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2060 i < cidx (k+1)-1; i++) |
|
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|
2061 { |
|
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|
2062 octave_idx_type iidx = ridx (i); |
|
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|
2063 work[iidx] = work[iidx] - tmp * data (i); |
|
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|
2064 } |
|
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|
2065 } |
|
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|
2066 } |
|
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|
2067 double atmp = 0; |
|
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|
2068 for (octave_idx_type i = 0; i < j+1; i++) |
|
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2069 { |
|
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2070 atmp += std::abs (work[i]); |
|
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2071 work[i] = 0.; |
|
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2072 } |
|
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2073 if (atmp > ainvnorm) |
|
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|
2074 ainvnorm = atmp; |
|
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|
2075 } |
|
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|
2076 rcond = 1. / ainvnorm / anorm; |
|
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|
2077 } |
|
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|
2078 } |
|
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|
2079 |
|
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|
2080 triangular_error: |
|
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2081 if (err != 0) |
|
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2082 { |
|
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|
2083 if (sing_handler) |
|
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|
2084 { |
|
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|
2085 sing_handler (rcond); |
|
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|
2086 mattype.mark_as_rectangular (); |
|
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|
2087 } |
|
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|
2088 else |
|
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|
2089 (*current_liboctave_error_handler) |
|
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2090 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
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|
2091 rcond); |
|
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|
2092 } |
|
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|
2093 |
|
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2094 volatile double rcond_plus_one = rcond + 1.0; |
|
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|
2095 |
|
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|
2096 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
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|
2097 { |
|
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|
2098 err = -2; |
|
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|
2099 |
|
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|
2100 if (sing_handler) |
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|
2101 { |
|
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|
2102 sing_handler (rcond); |
|
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|
2103 mattype.mark_as_rectangular (); |
|
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|
2104 } |
|
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|
2105 else |
|
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|
2106 (*current_liboctave_error_handler) |
|
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2107 ("matrix singular to machine precision, rcond = %g", |
|
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|
2108 rcond); |
|
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|
2109 } |
|
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|
2110 } |
| 5164 | 2111 else |
|
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|
2112 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 2113 } |
| 2114 return retval; | |
| 2115 } | |
| 2116 | |
| 2117 ComplexMatrix | |
| 5785 | 2118 SparseComplexMatrix::utsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
11586
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|
2119 octave_idx_type& err, double& rcond, |
|
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|
2120 solve_singularity_handler sing_handler, |
|
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|
2121 bool calc_cond) const |
| 5164 | 2122 { |
| 2123 ComplexMatrix retval; | |
| 2124 | |
| 5275 | 2125 octave_idx_type nr = rows (); |
| 2126 octave_idx_type nc = cols (); | |
| 5630 | 2127 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 2128 err = 0; |
| 2129 | |
| 6924 | 2130 if (nr != b.rows ()) |
| 5164 | 2131 (*current_liboctave_error_handler) |
| 2132 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 2133 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 2134 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 2135 else |
| 2136 { | |
| 2137 // Print spparms("spumoni") info if requested | |
| 2138 int typ = mattype.type (); | |
| 2139 mattype.info (); | |
|
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2140 |
| 5785 | 2141 if (typ == MatrixType::Permuted_Upper || |
|
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|
2142 typ == MatrixType::Upper) |
|
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|
2143 { |
|
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|
2144 double anorm = 0.; |
|
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|
2145 double ainvnorm = 0.; |
|
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|
2146 octave_idx_type b_nc = b.cols (); |
|
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|
2147 rcond = 1.; |
|
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|
2148 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2149 if (calc_cond) |
|
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 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2152 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2153 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2154 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2155 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
|
2156 atmp += std::abs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2157 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2158 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2159 } |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2162 if (typ == MatrixType::Permuted_Upper) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2163 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2164 retval.resize (nc, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2165 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2166 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
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>
parents:
10158
diff
changeset
|
2168 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
|
2169 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2170 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2171 work[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2172 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2173 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2174 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2175 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
|
2176 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2177 octave_idx_type kidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2178 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2179 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2180 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2181 if (ridx (cidx (kidx+1)-1) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2182 data (cidx (kidx+1)-1) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2183 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2184 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2185 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2186 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2187 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2188 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
|
2189 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2190 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
|
2191 i < cidx (kidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2192 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2193 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
|
2194 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2197 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2198 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2199 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
|
2200 retval(perm[i], j) = work[i]; |
|
10314
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2203 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2204 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2205 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2206 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2207 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2208 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2209 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2210 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2211 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2212 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2213 for (octave_idx_type k = j; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2214 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2215 octave_idx_type iidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2216 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2217 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2218 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2219 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
|
2220 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2221 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
|
2222 i < cidx (iidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2223 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2224 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
|
2225 work[idx2] = work[idx2] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2226 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2227 } |
|
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 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2230 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
|
2231 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2232 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2233 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2234 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2235 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2236 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2237 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2238 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2239 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2240 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2241 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2242 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2243 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2244 retval.resize (nc, b_nc); |
|
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 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
|
2247 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2248 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2249 work[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2250 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2251 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2252 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2253 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
|
2254 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2255 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2256 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2257 if (ridx (cidx (k+1)-1) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2258 data (cidx (k+1)-1) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2259 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2260 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2261 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2262 } |
|
10314
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2263 |
|
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2264 Complex tmp = work[k] / data (cidx (k+1)-1); |
|
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2265 work[k] = tmp; |
|
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2266 for (octave_idx_type i = cidx (k); i < cidx (k+1)-1; i++) |
|
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2267 { |
|
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2268 octave_idx_type iidx = ridx (i); |
|
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2269 work[iidx] = work[iidx] - tmp * data (i); |
|
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2270 } |
|
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2271 } |
|
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2272 } |
|
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|
2273 |
|
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2274 for (octave_idx_type i = 0; i < nc; i++) |
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2275 retval.xelem (i, j) = work[i]; |
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2276 } |
|
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|
2277 |
|
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2278 if (calc_cond) |
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|
2279 { |
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2280 // Calculation of 1-norm of inv(*this) |
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2281 for (octave_idx_type i = 0; i < nm; i++) |
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2282 work[i] = 0.; |
|
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2283 |
|
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2284 for (octave_idx_type j = 0; j < nr; j++) |
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2285 { |
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2286 work[j] = 1.; |
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2287 |
|
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2288 for (octave_idx_type k = j; k >= 0; k--) |
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2289 { |
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|
2290 if (work[k] != 0.) |
|
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2291 { |
|
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2292 Complex tmp = work[k] / data (cidx (k+1)-1); |
|
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2293 work[k] = tmp; |
|
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2294 for (octave_idx_type i = cidx (k); |
|
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2295 i < cidx (k+1)-1; i++) |
|
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2296 { |
|
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2297 octave_idx_type iidx = ridx (i); |
|
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|
2298 work[iidx] = work[iidx] - tmp * data (i); |
|
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|
2299 } |
|
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|
2300 } |
|
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|
2301 } |
|
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|
2302 double atmp = 0; |
|
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|
2303 for (octave_idx_type i = 0; i < j+1; i++) |
|
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2304 { |
|
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2305 atmp += std::abs (work[i]); |
|
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|
2306 work[i] = 0.; |
|
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2307 } |
|
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2308 if (atmp > ainvnorm) |
|
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2309 ainvnorm = atmp; |
|
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2310 } |
|
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|
2311 rcond = 1. / ainvnorm / anorm; |
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2312 } |
|
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|
2313 } |
|
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|
2314 |
|
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|
2315 triangular_error: |
|
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|
2316 if (err != 0) |
|
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|
2317 { |
|
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2318 if (sing_handler) |
|
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|
2319 { |
|
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|
2320 sing_handler (rcond); |
|
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|
2321 mattype.mark_as_rectangular (); |
|
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2322 } |
|
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|
2323 else |
|
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|
2324 (*current_liboctave_error_handler) |
|
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2325 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
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|
2326 rcond); |
|
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2327 } |
|
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|
2328 |
|
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2329 volatile double rcond_plus_one = rcond + 1.0; |
|
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2330 |
|
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2331 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
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2332 { |
|
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|
2333 err = -2; |
|
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|
2334 |
|
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|
2335 if (sing_handler) |
|
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|
2336 { |
|
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|
2337 sing_handler (rcond); |
|
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|
2338 mattype.mark_as_rectangular (); |
|
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|
2339 } |
|
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|
2340 else |
|
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|
2341 (*current_liboctave_error_handler) |
|
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2342 ("matrix singular to machine precision, rcond = %g", |
|
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2343 rcond); |
|
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|
2344 } |
|
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|
2345 } |
| 5164 | 2346 else |
|
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|
2347 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 2348 } |
| 2349 | |
| 2350 return retval; | |
| 2351 } | |
| 2352 | |
| 2353 SparseComplexMatrix | |
| 5785 | 2354 SparseComplexMatrix::utsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
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2355 octave_idx_type& err, double& rcond, |
|
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|
2356 solve_singularity_handler sing_handler, |
|
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|
2357 bool calc_cond) const |
| 5164 | 2358 { |
| 2359 SparseComplexMatrix retval; | |
| 2360 | |
| 5275 | 2361 octave_idx_type nr = rows (); |
| 2362 octave_idx_type nc = cols (); | |
| 5630 | 2363 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 2364 err = 0; |
| 2365 | |
| 6924 | 2366 if (nr != b.rows ()) |
| 5164 | 2367 (*current_liboctave_error_handler) |
| 2368 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 2369 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 2370 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 2371 else |
| 2372 { | |
| 2373 // Print spparms("spumoni") info if requested | |
| 2374 int typ = mattype.type (); | |
| 2375 mattype.info (); | |
|
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2376 |
| 5785 | 2377 if (typ == MatrixType::Permuted_Upper || |
|
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|
2378 typ == MatrixType::Upper) |
|
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|
2379 { |
|
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|
2380 double anorm = 0.; |
|
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|
2381 double ainvnorm = 0.; |
|
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|
2382 rcond = 1.; |
|
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|
2383 |
|
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|
2384 if (calc_cond) |
|
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|
2385 { |
|
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|
2386 // Calculate the 1-norm of matrix for rcond calculation |
|
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|
2387 for (octave_idx_type j = 0; j < nc; j++) |
|
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|
2388 { |
|
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|
2389 double atmp = 0.; |
|
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|
2390 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
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|
2391 atmp += std::abs (data (i)); |
|
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|
2392 if (atmp > anorm) |
|
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|
2393 anorm = atmp; |
|
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|
2394 } |
|
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|
2395 } |
|
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|
2396 |
|
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|
2397 octave_idx_type b_nc = b.cols (); |
|
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|
2398 octave_idx_type b_nz = b.nnz (); |
|
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|
2399 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
|
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maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2400 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2401 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2402 octave_idx_type x_nz = b_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2403 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2404 if (typ == MatrixType::Permuted_Upper) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2405 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2406 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2407 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2408 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2409 OCTAVE_LOCAL_BUFFER (octave_idx_type, rperm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2410 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2411 rperm[perm[i]] = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2412 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2413 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
|
2414 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2415 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2416 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2417 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
|
2418 work[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2419 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2420 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
|
2421 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2422 octave_idx_type kidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2423 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2424 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2425 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2426 if (ridx (cidx (kidx+1)-1) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2427 data (cidx (kidx+1)-1) == 0.) |
|
10314
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 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2430 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2431 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2432 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2433 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
|
2434 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2435 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
|
2436 i < cidx (kidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2437 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2438 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
|
2439 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2440 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2441 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2442 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2443 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2444 // Count non-zeros in work vector and adjust space in |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2445 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2446 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2447 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2448 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2449 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2450 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2451 if (ii + new_nnz > x_nz) |
|
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 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2454 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
|
2455 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2456 x_nz = sz; |
|
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>
parents:
10158
diff
changeset
|
2458 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2459 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2460 if (work[rperm[i]] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2461 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2462 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2463 retval.xdata (ii++) = work[rperm[i]]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2464 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2465 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2466 } |
|
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 retval.maybe_compress (); |
|
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 (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2471 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2472 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2473 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2474 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2475 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2476 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2477 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2478 work[j] = 1.; |
|
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 for (octave_idx_type k = j; k >= 0; k--) |
|
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 octave_idx_type iidx = perm[k]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2483 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2484 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2485 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2486 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
|
2487 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2488 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
|
2489 i < cidx (iidx+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2490 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2491 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
|
2492 work[idx2] = work[idx2] - tmp * data (i); |
|
10314
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 } |
|
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 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2497 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
|
2498 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2499 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2500 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2501 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2502 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2503 ainvnorm = atmp; |
|
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 rcond = 1. / ainvnorm / anorm; |
|
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2508 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2509 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2510 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
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 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
|
2513 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2514 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2515 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2516 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
|
2517 work[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2518 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2519 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
|
2520 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2521 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2522 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2523 if (ridx (cidx (k+1)-1) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2524 data (cidx (k+1)-1) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2525 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2526 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2527 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2528 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2529 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2530 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
|
2531 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2532 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
|
2533 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2534 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
|
2535 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2536 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2537 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2538 } |
|
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 // Count non-zeros in work vector and adjust space in |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2541 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2542 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2543 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2544 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2545 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2546 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2547 if (ii + new_nnz > x_nz) |
|
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 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2550 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
|
2551 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2552 x_nz = sz; |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2555 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2556 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2557 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2558 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2559 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2560 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2561 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2562 } |
|
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 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2565 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2566 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2567 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2568 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2569 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2570 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2571 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2572 for (octave_idx_type j = 0; j < nr; j++) |
|
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 work[j] = 1.; |
|
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 for (octave_idx_type k = j; k >= 0; k--) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2577 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2578 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2579 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2580 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
|
2581 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2582 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
|
2583 i < cidx (k+1)-1; i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2584 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2585 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
|
2586 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2590 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2591 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
|
2592 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2593 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2594 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2595 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2596 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2597 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2598 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2599 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2600 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2601 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2602 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2603 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2604 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2605 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2606 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2607 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2608 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2609 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2610 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2611 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2612 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2613 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2614 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2615 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2616 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2617 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2618 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2619 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2620 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2621 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2622 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2623 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2624 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2625 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2626 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2627 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2628 else |
|
07ebe522dac2
untabify liboctave C++ sources
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|
2629 (*current_liboctave_error_handler) |
|
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untabify liboctave C++ sources
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|
2630 ("matrix singular to machine precision, rcond = %g", |
|
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untabify liboctave C++ sources
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diff
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|
2631 rcond); |
|
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untabify liboctave C++ sources
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diff
changeset
|
2632 } |
|
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diff
changeset
|
2633 } |
| 5164 | 2634 else |
|
10314
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diff
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|
2635 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 2636 } |
| 2637 | |
| 2638 return retval; | |
| 2639 } | |
| 2640 | |
| 2641 ComplexMatrix | |
|
11586
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strip trailing whitespace from source files
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|
2642 SparseComplexMatrix::ltsolve (MatrixType &mattype, const Matrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
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|
2643 octave_idx_type& err, double& rcond, |
|
10314
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|
2644 solve_singularity_handler sing_handler, |
|
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diff
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|
2645 bool calc_cond) const |
| 5164 | 2646 { |
| 2647 ComplexMatrix retval; | |
| 2648 | |
| 5275 | 2649 octave_idx_type nr = rows (); |
| 2650 octave_idx_type nc = cols (); | |
| 5630 | 2651 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 2652 err = 0; |
| 2653 | |
| 6924 | 2654 if (nr != b.rows ()) |
| 5164 | 2655 (*current_liboctave_error_handler) |
| 2656 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 2657 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 2658 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 2659 else |
| 2660 { | |
| 2661 // Print spparms("spumoni") info if requested | |
| 2662 int typ = mattype.type (); | |
| 2663 mattype.info (); | |
|
11586
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strip trailing whitespace from source files
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|
2664 |
| 5785 | 2665 if (typ == MatrixType::Permuted_Lower || |
|
10314
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diff
changeset
|
2666 typ == MatrixType::Lower) |
|
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diff
changeset
|
2667 { |
|
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changeset
|
2668 double anorm = 0.; |
|
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untabify liboctave C++ sources
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diff
changeset
|
2669 double ainvnorm = 0.; |
|
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untabify liboctave C++ sources
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diff
changeset
|
2670 octave_idx_type b_nc = b.cols (); |
|
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untabify liboctave C++ sources
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diff
changeset
|
2671 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
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|
2672 |
|
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diff
changeset
|
2673 if (calc_cond) |
|
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untabify liboctave C++ sources
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diff
changeset
|
2674 { |
|
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diff
changeset
|
2675 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2676 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2677 { |
|
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diff
changeset
|
2678 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
2679 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
|
2680 atmp += std::abs (data (i)); |
|
10314
07ebe522dac2
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|
2681 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2682 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2683 } |
|
07ebe522dac2
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diff
changeset
|
2684 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2685 |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2686 if (typ == MatrixType::Permuted_Lower) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2687 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2688 retval.resize (nc, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2689 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2690 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2691 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2692 for (octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2693 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2694 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2695 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2696 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2697 work[perm[i]] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2698 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2699 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2700 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2701 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2702 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2703 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2704 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2705 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2706 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
|
2707 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2708 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2709 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
2710 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2711 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2712 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2713 if (minr != k || data (mini) == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2714 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2715 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2716 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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changeset
|
2717 } |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2718 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2719 Complex tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2720 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2721 for (octave_idx_type i = cidx (k); i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2722 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2723 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2724 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2725 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2726 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
|
2727 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2728 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2729 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2730 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2731 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2732 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
|
2733 retval(i, j) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2734 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2735 |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2736 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
2737 { |
|
07ebe522dac2
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changeset
|
2738 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2739 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2740 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2741 |
|
07ebe522dac2
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changeset
|
2742 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2743 { |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2744 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2745 |
|
07ebe522dac2
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changeset
|
2746 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
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changeset
|
2747 { |
|
07ebe522dac2
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changeset
|
2748 if (work[k] != 0.) |
|
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changeset
|
2749 { |
|
07ebe522dac2
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changeset
|
2750 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2751 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
2752 |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
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14846
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changeset
|
2753 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
2754 i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
2755 if (perm[ridx (i)] < minr) |
|
10314
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untabify liboctave C++ sources
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changeset
|
2756 { |
|
15018
3d8ace26c5b4
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14846
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changeset
|
2757 minr = perm[ridx (i)]; |
|
10314
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changeset
|
2758 mini = i; |
|
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untabify liboctave C++ sources
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diff
changeset
|
2759 } |
|
07ebe522dac2
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changeset
|
2760 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
2761 Complex tmp = work[k] / data (mini); |
|
10314
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untabify liboctave C++ sources
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10158
diff
changeset
|
2762 work[k] = tmp; |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
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14846
diff
changeset
|
2763 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
|
2764 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2765 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2766 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2767 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2768 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2769 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
|
2770 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2771 } |
|
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 } |
|
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 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2776 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2777 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2778 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2779 work[i] = 0.; |
|
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 (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2782 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2783 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2784 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2785 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2786 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2787 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2788 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2789 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2790 retval.resize (nc, b_nc, 0.); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2791 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2792 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
|
2793 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2794 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2795 work[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2796 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2797 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2798 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2799 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2800 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2801 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2802 if (ridx (cidx (k)) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2803 data (cidx (k)) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2804 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2805 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2806 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2807 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2808 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2809 Complex tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2810 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2811 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
|
2812 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2813 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
|
2814 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2815 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2816 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2817 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2818 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2819 retval.xelem (i, j) = work[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2820 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2821 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2822 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2823 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2824 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2825 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2826 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2827 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2828 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2829 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2830 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2831 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2832 for (octave_idx_type k = j; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2833 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2834 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2835 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2836 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2837 Complex tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2838 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2839 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
|
2840 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2841 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2842 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
|
2843 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2844 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2845 } |
|
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 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2848 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2849 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2850 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2851 work[i] = 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 (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2854 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2855 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2856 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2857 } |
|
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 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2860 if (err != 0) |
|
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 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2863 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2864 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2865 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2866 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2867 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2868 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2869 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2870 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2871 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2872 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2873 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2874 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2875 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2876 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2877 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2878 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2879 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2880 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2881 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2882 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2883 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2884 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2885 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2886 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2887 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2888 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2889 } |
| 5164 | 2890 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2891 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 2892 } |
| 2893 | |
| 2894 return retval; | |
| 2895 } | |
| 2896 | |
| 2897 SparseComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2898 SparseComplexMatrix::ltsolve (MatrixType &mattype, const SparseMatrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2899 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2900 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2901 bool calc_cond) const |
| 5164 | 2902 { |
| 2903 SparseComplexMatrix retval; | |
| 2904 | |
| 5275 | 2905 octave_idx_type nr = rows (); |
| 2906 octave_idx_type nc = cols (); | |
| 5630 | 2907 octave_idx_type nm = (nc > nr ? nc : nr); |
| 2908 | |
| 5164 | 2909 err = 0; |
| 2910 | |
| 6924 | 2911 if (nr != b.rows ()) |
| 5164 | 2912 (*current_liboctave_error_handler) |
| 2913 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 2914 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 2915 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 2916 else |
| 2917 { | |
| 2918 // Print spparms("spumoni") info if requested | |
| 2919 int typ = mattype.type (); | |
| 2920 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2921 |
| 5785 | 2922 if (typ == MatrixType::Permuted_Lower || |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2923 typ == MatrixType::Lower) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2924 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2925 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2926 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2927 rcond = 1.; |
|
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 if (calc_cond) |
|
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 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2932 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2933 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2934 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2935 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
|
2936 atmp += std::abs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2937 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2938 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2939 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2940 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2941 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2942 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2943 octave_idx_type b_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2944 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
|
2945 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2946 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2947 octave_idx_type x_nz = b_nz; |
|
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 if (typ == MatrixType::Permuted_Lower) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2950 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2951 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2952 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2953 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2954 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
|
2955 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2956 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2957 work[i] = 0.; |
|
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 = 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
|
2959 work[perm[b.ridx (i)]] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2960 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2961 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2962 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2963 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2964 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2965 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2966 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2967 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2968 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
|
2969 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2970 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2971 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2972 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2973 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2974 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2975 if (minr != k || data (mini) == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2976 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2977 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2978 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2979 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2980 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2981 Complex tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2982 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2983 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
|
2984 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2985 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2986 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2987 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2988 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
|
2989 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2990 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2991 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
2992 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
2993 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2994 // Count non-zeros in work vector and adjust space in |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2995 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2996 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2997 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
2998 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
2999 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3000 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3001 if (ii + new_nnz > x_nz) |
|
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>
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10158
diff
changeset
|
3003 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3004 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
|
3005 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3006 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3007 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3008 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3009 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3010 if (work[i] != 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 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3013 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3014 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3015 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3016 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3017 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3018 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3019 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3020 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3021 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3022 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3023 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3024 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3025 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3026 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3027 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3028 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3029 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3030 for (octave_idx_type k = 0; k < nc; k++) |
|
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 if (work[k] != 0.) |
|
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 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3035 octave_idx_type mini = 0; |
|
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 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
|
3038 i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3039 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3040 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3041 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3042 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3043 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3044 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3045 Complex tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3046 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3047 for (octave_idx_type i = cidx (k); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3048 i < cidx (k+1); i++) |
|
10314
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 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3051 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3052 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3053 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
|
3054 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3055 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3056 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3057 } |
|
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 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3060 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3061 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3062 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3063 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3064 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3065 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3066 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3067 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3068 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3069 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3070 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3071 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3072 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3073 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
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 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
|
3076 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3077 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3078 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3079 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
|
3080 work[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3081 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3082 for (octave_idx_type k = 0; k < nc; k++) |
|
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 (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3085 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3086 if (ridx (cidx (k)) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3087 data (cidx (k)) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3088 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3089 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3090 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3091 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3092 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3093 Complex tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3094 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3095 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
|
3096 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3097 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
|
3098 work[iidx] = work[iidx] - tmp * data (i); |
|
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 } |
|
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 // Count non-zeros in work vector and adjust space in |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3104 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3105 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3106 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3107 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3108 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3109 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3110 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3111 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3112 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3113 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
|
3114 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3115 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3116 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3117 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3118 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3119 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3120 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3121 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3122 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3123 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3124 retval.xcidx (j+1) = ii; |
|
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 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3128 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3129 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3130 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3131 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3132 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
|
3133 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3134 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3135 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3136 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3137 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3138 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3139 for (octave_idx_type k = j; k < nc; k++) |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3142 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3143 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3144 Complex tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3145 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3146 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
|
3147 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3148 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3149 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
|
3150 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3151 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3152 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3153 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3154 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3155 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3156 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3157 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3158 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3159 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3160 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3161 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3162 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3163 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3164 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3165 } |
|
07ebe522dac2
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diff
changeset
|
3166 |
|
07ebe522dac2
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diff
changeset
|
3167 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3168 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3169 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3170 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3171 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3172 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3173 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3174 } |
|
07ebe522dac2
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diff
changeset
|
3175 else |
|
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untabify liboctave C++ sources
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changeset
|
3176 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
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|
3177 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3178 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3179 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3180 |
|
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untabify liboctave C++ sources
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diff
changeset
|
3181 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3182 |
|
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untabify liboctave C++ sources
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diff
changeset
|
3183 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3184 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3185 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3186 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3187 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3188 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
3189 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3190 mattype.mark_as_rectangular (); |
|
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untabify liboctave C++ sources
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10158
diff
changeset
|
3191 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3192 else |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3193 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3194 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3195 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3196 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3197 } |
| 5164 | 3198 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3199 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 3200 } |
| 3201 | |
| 3202 return retval; | |
| 3203 } | |
| 3204 | |
| 3205 ComplexMatrix | |
| 5785 | 3206 SparseComplexMatrix::ltsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3207 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3208 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3209 bool calc_cond) const |
| 5164 | 3210 { |
| 3211 ComplexMatrix retval; | |
| 3212 | |
| 5275 | 3213 octave_idx_type nr = rows (); |
| 3214 octave_idx_type nc = cols (); | |
| 5630 | 3215 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 3216 err = 0; |
| 3217 | |
| 6924 | 3218 if (nr != b.rows ()) |
| 5164 | 3219 (*current_liboctave_error_handler) |
| 3220 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 3221 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 3222 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 3223 else |
| 3224 { | |
| 3225 // Print spparms("spumoni") info if requested | |
| 3226 int typ = mattype.type (); | |
| 3227 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3228 |
| 5785 | 3229 if (typ == MatrixType::Permuted_Lower || |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
3230 typ == MatrixType::Lower) |
|
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untabify liboctave C++ sources
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diff
changeset
|
3231 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3232 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3233 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3234 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
3235 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3236 |
|
07ebe522dac2
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diff
changeset
|
3237 if (calc_cond) |
|
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diff
changeset
|
3238 { |
|
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changeset
|
3239 // Calculate the 1-norm of matrix for rcond calculation |
|
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untabify liboctave C++ sources
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changeset
|
3240 for (octave_idx_type j = 0; j < nc; j++) |
|
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changeset
|
3241 { |
|
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untabify liboctave C++ sources
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diff
changeset
|
3242 double atmp = 0.; |
|
15018
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Rik <rik@octave.org>
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diff
changeset
|
3243 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
3d8ace26c5b4
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Rik <rik@octave.org>
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diff
changeset
|
3244 atmp += std::abs (data (i)); |
|
10314
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|
3245 if (atmp > anorm) |
|
07ebe522dac2
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changeset
|
3246 anorm = atmp; |
|
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changeset
|
3247 } |
|
07ebe522dac2
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changeset
|
3248 } |
|
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diff
changeset
|
3249 |
|
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changeset
|
3250 if (typ == MatrixType::Permuted_Lower) |
|
07ebe522dac2
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changeset
|
3251 { |
|
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changeset
|
3252 retval.resize (nc, b_nc); |
|
07ebe522dac2
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changeset
|
3253 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
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|
3254 octave_idx_type *perm = mattype.triangular_perm (); |
|
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|
3255 |
|
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changeset
|
3256 for (octave_idx_type j = 0; j < b_nc; j++) |
|
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changeset
|
3257 { |
|
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changeset
|
3258 for (octave_idx_type i = 0; i < nm; i++) |
|
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changeset
|
3259 work[i] = 0.; |
|
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changeset
|
3260 for (octave_idx_type i = 0; i < nr; i++) |
|
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changeset
|
3261 work[perm[i]] = b(i,j); |
|
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changeset
|
3262 |
|
07ebe522dac2
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changeset
|
3263 for (octave_idx_type k = 0; k < nc; k++) |
|
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changeset
|
3264 { |
|
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changeset
|
3265 if (work[k] != 0.) |
|
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changeset
|
3266 { |
|
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diff
changeset
|
3267 octave_idx_type minr = nr; |
|
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changeset
|
3268 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3269 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3270 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
|
3271 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3272 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3273 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3274 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3275 } |
|
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 if (minr != k || data (mini) == 0.) |
|
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 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3280 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3281 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3282 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3283 Complex tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3284 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3285 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
|
3286 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3287 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3288 continue; |
|
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 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
|
3291 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3294 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3295 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3296 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
|
3297 retval(i, j) = work[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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3300 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3301 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3302 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3303 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3304 work[i] = 0.; |
|
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 for (octave_idx_type j = 0; j < nr; j++) |
|
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 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3309 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3310 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3311 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3312 if (work[k] != 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 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3315 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3316 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3317 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
|
3318 i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3319 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3320 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3321 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3322 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3323 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3324 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3325 Complex tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3326 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3327 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
|
3328 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3329 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3330 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3331 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3332 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3333 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
|
3334 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3335 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3336 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3337 } |
|
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 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3340 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3341 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3342 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3343 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3344 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3345 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3346 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3347 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3348 rcond = 1. / ainvnorm / anorm; |
|
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 else |
|
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 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3354 retval.resize (nc, b_nc, 0.); |
|
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 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
|
3358 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3359 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3360 work[i] = b(i,j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3361 for (octave_idx_type i = nr; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3362 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3363 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3364 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3365 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3366 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3367 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3368 if (ridx (cidx (k)) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3369 data (cidx (k)) == 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3370 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3371 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3372 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3373 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3374 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3375 Complex tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3376 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3377 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
|
3378 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3379 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
|
3380 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3383 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3384 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3385 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3386 retval.xelem (i, j) = work[i]; |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3389 if (calc_cond) |
|
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 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3392 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3393 work[i] = 0.; |
|
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 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3396 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3397 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3398 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3399 for (octave_idx_type k = j; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3400 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3401 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3402 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3403 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3404 Complex tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3405 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3406 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
|
3407 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3408 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3409 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
|
3410 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3411 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3412 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3413 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3414 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3415 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3416 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3417 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3418 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3419 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3420 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3421 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3422 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3423 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3424 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3425 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3426 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3427 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3428 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3429 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3430 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3431 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3432 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3433 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3434 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3435 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3436 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3437 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3438 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3439 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3440 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3441 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3442 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3443 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3444 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3445 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3446 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3447 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3448 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3449 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3450 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3451 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3452 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3453 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3454 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3455 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3456 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3457 } |
| 5164 | 3458 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3459 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 3460 } |
| 3461 | |
| 3462 return retval; | |
| 3463 } | |
| 3464 | |
| 3465 SparseComplexMatrix | |
| 5785 | 3466 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
|
3467 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3468 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3469 bool calc_cond) const |
| 5164 | 3470 { |
| 3471 SparseComplexMatrix retval; | |
| 3472 | |
| 5275 | 3473 octave_idx_type nr = rows (); |
| 3474 octave_idx_type nc = cols (); | |
| 5630 | 3475 octave_idx_type nm = (nc > nr ? nc : nr); |
| 5164 | 3476 err = 0; |
| 3477 | |
| 6924 | 3478 if (nr != b.rows ()) |
| 5164 | 3479 (*current_liboctave_error_handler) |
| 3480 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 3481 else if (nr == 0 || nc == 0 || b.cols () == 0) |
| 3482 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 3483 else |
| 3484 { | |
| 3485 // Print spparms("spumoni") info if requested | |
| 3486 int typ = mattype.type (); | |
| 3487 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3488 |
| 5785 | 3489 if (typ == MatrixType::Permuted_Lower || |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3490 typ == MatrixType::Lower) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3491 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3492 double anorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3493 double ainvnorm = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
3494 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3495 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3496 if (calc_cond) |
|
07ebe522dac2
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10158
diff
changeset
|
3497 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3498 // Calculate the 1-norm of matrix for rcond calculation |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3499 for (octave_idx_type j = 0; j < nc; j++) |
|
07ebe522dac2
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10158
diff
changeset
|
3500 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3501 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3502 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
|
3503 atmp += std::abs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3504 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3505 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3506 } |
|
07ebe522dac2
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diff
changeset
|
3507 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3508 |
|
07ebe522dac2
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diff
changeset
|
3509 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3510 octave_idx_type b_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
3511 retval = SparseComplexMatrix (nc, b_nc, b_nz); |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3512 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3513 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3514 octave_idx_type x_nz = b_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3515 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3516 if (typ == MatrixType::Permuted_Lower) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3517 { |
|
07ebe522dac2
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10158
diff
changeset
|
3518 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
3519 octave_idx_type *perm = mattype.triangular_perm (); |
|
07ebe522dac2
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10158
diff
changeset
|
3520 |
|
07ebe522dac2
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10158
diff
changeset
|
3521 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
|
3522 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3523 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3524 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3525 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
|
3526 work[perm[b.ridx (i)]] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3527 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3528 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3529 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3530 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3531 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3532 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3533 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3534 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3535 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
|
3536 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3537 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3538 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3539 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3540 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3541 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3542 if (minr != k || data (mini) == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3543 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3544 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3545 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3546 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3547 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3548 Complex tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3549 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3550 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
|
3551 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3552 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3553 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3554 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3555 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
|
3556 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3559 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3560 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3561 // Count non-zeros in work vector and adjust space in |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3562 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3563 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3564 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3565 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3566 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3567 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3568 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3569 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3570 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3571 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
|
3572 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3573 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3574 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3575 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3576 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3577 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3578 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3579 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3580 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3581 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3582 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3583 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3584 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3585 retval.maybe_compress (); |
|
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 if (calc_cond) |
|
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 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3590 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3591 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3592 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3593 for (octave_idx_type j = 0; j < nr; j++) |
|
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 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3596 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3597 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3598 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3599 if (work[k] != 0.) |
|
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 octave_idx_type minr = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3602 octave_idx_type mini = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3603 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3604 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
|
3605 i < cidx (k+1); i++) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3606 if (perm[ridx (i)] < minr) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3607 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3608 minr = perm[ridx (i)]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3609 mini = i; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3610 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3611 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3612 Complex tmp = work[k] / data (mini); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3613 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3614 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
|
3615 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3616 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3617 if (i == mini) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3618 continue; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3619 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3620 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
|
3621 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3622 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3623 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3624 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3625 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3626 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3627 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3628 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3629 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3630 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3631 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3632 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3633 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3634 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3635 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3636 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3637 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3638 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3639 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3640 OCTAVE_LOCAL_BUFFER (Complex, work, nm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3641 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3642 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
|
3643 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3644 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3645 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3646 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
|
3647 work[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3648 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3649 for (octave_idx_type k = 0; k < nc; k++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3650 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3651 if (work[k] != 0.) |
|
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 if (ridx (cidx (k)) != k || |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3654 data (cidx (k)) == 0.) |
|
10314
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 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3657 goto triangular_error; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3658 } |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3659 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3660 Complex tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3661 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3662 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
|
3663 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3664 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
|
3665 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3666 } |
|
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 } |
|
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 // Count non-zeros in work vector and adjust space in |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3671 // retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3672 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3673 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3674 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3675 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3676 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3677 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3678 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3679 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3680 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
|
3681 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3682 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3683 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3684 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3685 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3686 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3687 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3688 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3689 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3690 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3691 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3692 } |
|
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 retval.maybe_compress (); |
|
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 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3697 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3698 // Calculation of 1-norm of inv(*this) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3699 for (octave_idx_type i = 0; i < nm; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3700 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3701 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3702 for (octave_idx_type j = 0; j < nr; j++) |
|
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 work[j] = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3705 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3706 for (octave_idx_type k = j; k < nc; k++) |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3709 if (work[k] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3710 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3711 Complex tmp = work[k] / data (cidx (k)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3712 work[k] = tmp; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3713 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
|
3714 i < cidx (k+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3715 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3716 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
|
3717 work[iidx] = work[iidx] - tmp * data (i); |
|
10314
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3720 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3721 double atmp = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3722 for (octave_idx_type i = j; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3723 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3724 atmp += std::abs (work[i]); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3725 work[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3726 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3727 if (atmp > ainvnorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3728 ainvnorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3729 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3730 rcond = 1. / ainvnorm / anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3731 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3732 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3733 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3734 triangular_error: |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3735 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3736 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3737 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3738 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3739 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3740 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3741 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3742 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3743 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3744 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3745 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3746 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3747 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3748 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3749 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3750 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3751 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3752 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3753 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3754 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3755 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3756 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3757 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3758 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3759 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3760 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3761 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3762 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3763 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3764 } |
| 5164 | 3765 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3766 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 3767 } |
| 3768 | |
| 3769 return retval; | |
| 3770 } | |
| 3771 | |
| 3772 ComplexMatrix | |
| 5785 | 3773 SparseComplexMatrix::trisolve (MatrixType &mattype, const Matrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3774 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3775 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3776 bool calc_cond) const |
| 5164 | 3777 { |
| 3778 ComplexMatrix retval; | |
| 3779 | |
| 5275 | 3780 octave_idx_type nr = rows (); |
| 3781 octave_idx_type nc = cols (); | |
| 5164 | 3782 err = 0; |
| 3783 | |
| 6924 | 3784 if (nr != nc || nr != b.rows ()) |
| 5164 | 3785 (*current_liboctave_error_handler) |
| 3786 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 3787 else if (nr == 0 || b.cols () == 0) |
| 3788 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5681 | 3789 else if (calc_cond) |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3790 (*current_liboctave_error_handler) |
| 5681 | 3791 ("calculation of condition number not implemented"); |
| 5164 | 3792 else |
| 3793 { | |
| 3794 // Print spparms("spumoni") info if requested | |
| 3795 volatile int typ = mattype.type (); | |
| 3796 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3797 |
| 5785 | 3798 if (typ == MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3799 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3800 OCTAVE_LOCAL_BUFFER (double, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3801 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3802 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3803 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3804 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3805 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3806 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3807 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
|
3808 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3809 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
|
3810 DL[j] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3811 ii += 2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3812 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3813 D[nc-1] = std::real (data (ii)); |
|
10314
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 else |
|
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 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3818 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
|
3819 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3820 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3821 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3822 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3823 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3824 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
|
3825 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
|
3826 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3827 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3828 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
|
3829 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
|
3830 DL[j] = data (i); |
|
10314
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 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3833 |
|
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
|
3834 octave_idx_type b_nc = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3835 retval = ComplexMatrix (b); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3836 Complex *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3837 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3838 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
|
3839 b.rows (), err)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3840 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3841 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3842 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3843 err = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3844 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3845 typ = MatrixType::Tridiagonal; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3846 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3847 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3848 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3849 } |
| 5164 | 3850 |
| 5785 | 3851 if (typ == MatrixType::Tridiagonal) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3852 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3853 OCTAVE_LOCAL_BUFFER (Complex, DU, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3854 OCTAVE_LOCAL_BUFFER (Complex, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3855 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3856 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3857 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3858 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3859 octave_idx_type ii = 0; |
|
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 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
|
3862 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3863 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3864 DL[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3865 DU[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3866 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3867 D[nc-1] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3868 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3869 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3870 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3871 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3872 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
|
3873 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3874 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3875 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3876 DU[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3877 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3878 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3879 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
|
3880 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
|
3881 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3882 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3883 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3884 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
|
3885 DL[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3886 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
|
3887 DU[j-1] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3888 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3889 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3890 |
|
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
|
3891 octave_idx_type b_nc = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3892 retval = ComplexMatrix (b); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3893 Complex *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3894 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3895 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
|
3896 b.rows (), err)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3897 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3898 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3899 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3900 rcond = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3901 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3902 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3903 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3904 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3905 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3906 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3907 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3908 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3909 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3910 ("matrix singular to machine precision"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3911 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3912 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3913 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3914 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3915 } |
| 5785 | 3916 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
|
3917 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 3918 } |
| 3919 | |
| 3920 return retval; | |
| 3921 } | |
| 3922 | |
| 3923 SparseComplexMatrix | |
| 5785 | 3924 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
|
3925 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3926 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3927 bool calc_cond) const |
| 5164 | 3928 { |
| 3929 SparseComplexMatrix retval; | |
| 3930 | |
| 5275 | 3931 octave_idx_type nr = rows (); |
| 3932 octave_idx_type nc = cols (); | |
| 5164 | 3933 err = 0; |
| 3934 | |
| 6924 | 3935 if (nr != nc || nr != b.rows ()) |
| 5164 | 3936 (*current_liboctave_error_handler) |
| 3937 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 3938 else if (nr == 0 || b.cols () == 0) |
| 3939 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5681 | 3940 else if (calc_cond) |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3941 (*current_liboctave_error_handler) |
| 5681 | 3942 ("calculation of condition number not implemented"); |
| 5164 | 3943 else |
| 3944 { | |
| 3945 // Print spparms("spumoni") info if requested | |
| 3946 int typ = mattype.type (); | |
| 3947 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3948 |
| 5164 | 3949 // Note can't treat symmetric case as there is no dpttrf function |
| 5785 | 3950 if (typ == MatrixType::Tridiagonal || |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3951 typ == MatrixType::Tridiagonal_Hermitian) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3952 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3953 OCTAVE_LOCAL_BUFFER (Complex, DU2, nr - 2); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3954 OCTAVE_LOCAL_BUFFER (Complex, DU, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3955 OCTAVE_LOCAL_BUFFER (Complex, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3956 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
|
3957 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
|
3958 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
3959 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3960 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3961 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3962 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3963 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3964 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
|
3965 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3966 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3967 DL[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3968 DU[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3969 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3970 D[nc-1] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3971 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3972 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3973 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3974 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3975 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
|
3976 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3977 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3978 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3979 DU[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3980 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3981 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3982 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
|
3983 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
|
3984 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3985 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3986 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3987 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
|
3988 DL[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
3989 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
|
3990 DU[j-1] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3991 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3992 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3993 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3994 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
|
3995 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3996 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3997 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3998 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
3999 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4000 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4001 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4002 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4003 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4004 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4005 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4006 else |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4007 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4008 ("matrix singular to machine precision"); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4009 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
4010 } |
|
12df7854fa7c
strip trailing whitespace from source files
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11574
diff
changeset
|
4011 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4012 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4013 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4014 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4015 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4016 retval = SparseComplexMatrix (nr, b_nc, x_nz); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
4017 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4018 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4019 rcond = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4020 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4021 OCTAVE_LOCAL_BUFFER (Complex, work, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4022 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4023 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4024 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4025 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4026 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4027 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
|
4028 work[b.ridx (i)] = b.data (i); |
|
10314
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|
4029 |
|
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changeset
|
4030 F77_XFCN (zgttrs, ZGTTRS, |
|
10314
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|
4031 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
11586
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|
4032 nr, 1, DL, D, DU, DU2, pipvt, |
|
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|
4033 work, b.rows (), err |
|
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untabify liboctave C++ sources
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changeset
|
4034 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
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|
4035 |
|
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strip trailing whitespace from source files
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|
4036 // Count non-zeros in work vector and adjust |
|
10314
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|
4037 // space in retval if needed |
|
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untabify liboctave C++ sources
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|
4038 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4039 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4040 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4041 new_nnz++; |
|
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diff
changeset
|
4042 |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4043 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4044 { |
|
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diff
changeset
|
4045 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4046 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4047 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4048 x_nz = sz; |
|
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4049 } |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4050 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
4051 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4052 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4053 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4054 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4055 retval.xdata (ii++) = work[i]; |
|
10314
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diff
changeset
|
4056 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4057 retval.xcidx (j+1) = ii; |
|
10314
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4058 } |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4059 |
|
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untabify liboctave C++ sources
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diff
changeset
|
4060 retval.maybe_compress (); |
|
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untabify liboctave C++ sources
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diff
changeset
|
4061 } |
|
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untabify liboctave C++ sources
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diff
changeset
|
4062 } |
| 5785 | 4063 else if (typ != MatrixType::Tridiagonal_Hermitian) |
|
10314
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4064 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4065 } |
| 4066 | |
| 4067 return retval; | |
| 4068 } | |
| 4069 | |
| 4070 ComplexMatrix | |
| 5785 | 4071 SparseComplexMatrix::trisolve (MatrixType &mattype, const ComplexMatrix& b, |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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changeset
|
4072 octave_idx_type& err, double& rcond, |
|
10314
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4073 solve_singularity_handler sing_handler, |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4074 bool calc_cond) const |
| 5164 | 4075 { |
| 4076 ComplexMatrix retval; | |
| 4077 | |
| 5275 | 4078 octave_idx_type nr = rows (); |
| 4079 octave_idx_type nc = cols (); | |
| 5164 | 4080 err = 0; |
| 4081 | |
| 6924 | 4082 if (nr != nc || nr != b.rows ()) |
| 5164 | 4083 (*current_liboctave_error_handler) |
| 4084 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 4085 else if (nr == 0 || b.cols () == 0) |
| 4086 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5681 | 4087 else if (calc_cond) |
|
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4088 (*current_liboctave_error_handler) |
| 5681 | 4089 ("calculation of condition number not implemented"); |
| 5164 | 4090 else |
| 4091 { | |
| 4092 // Print spparms("spumoni") info if requested | |
| 4093 volatile int typ = mattype.type (); | |
| 4094 mattype.info (); | |
|
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4095 |
| 5785 | 4096 if (typ == MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
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diff
changeset
|
4097 { |
|
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diff
changeset
|
4098 OCTAVE_LOCAL_BUFFER (double, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4099 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
|
07ebe522dac2
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diff
changeset
|
4100 |
|
07ebe522dac2
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diff
changeset
|
4101 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4102 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4103 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4104 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4105 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
|
4106 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4107 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
|
4108 DL[j] = data (ii); |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4109 ii += 2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4110 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4111 D[nc-1] = std::real (data (ii)); |
|
10314
07ebe522dac2
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diff
changeset
|
4112 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4113 else |
|
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>
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diff
changeset
|
4115 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4116 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
|
4117 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4118 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4119 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4120 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4121 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4122 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
|
4123 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4124 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4125 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4126 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
|
4127 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
|
4128 DL[j] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4129 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4130 } |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4131 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4132 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
|
4133 octave_idx_type b_nc = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4134 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4135 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4136 retval = ComplexMatrix (b); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4137 Complex *result = retval.fortran_vec (); |
|
11586
12df7854fa7c
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11574
diff
changeset
|
4138 |
|
12df7854fa7c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4139 F77_XFCN (zptsv, ZPTSV, (nr, b_nc, D, DL, result, |
|
10314
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diff
changeset
|
4140 b_nr, err)); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4141 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4142 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4143 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4144 err = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4145 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4146 typ = MatrixType::Tridiagonal; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4147 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4148 } |
| 5164 | 4149 |
| 5785 | 4150 if (typ == MatrixType::Tridiagonal) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4151 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4152 OCTAVE_LOCAL_BUFFER (Complex, DU, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4153 OCTAVE_LOCAL_BUFFER (Complex, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4154 OCTAVE_LOCAL_BUFFER (Complex, DL, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4155 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4156 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4157 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4158 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4159 |
|
07ebe522dac2
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diff
changeset
|
4160 for (octave_idx_type j = 0; j < nc-1; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
4161 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
4162 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
4163 DL[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
4164 DU[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4165 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4166 D[nc-1] = data (ii); |
|
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 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4169 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4170 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4171 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
|
4172 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4173 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4174 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4175 DU[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4176 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4177 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4178 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
|
4179 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
|
4180 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4181 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4182 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4183 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
|
4184 DL[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4185 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
|
4186 DU[j-1] = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4187 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4188 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4189 |
|
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
|
4190 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
|
4191 octave_idx_type b_nc = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4192 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4193 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4194 retval = ComplexMatrix (b); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4195 Complex *result = retval.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4196 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4197 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
|
4198 b_nr, err)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4199 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4200 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4201 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4202 rcond = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4203 err = -2; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4204 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4205 if (sing_handler) |
|
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 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4208 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4209 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4210 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4211 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4212 ("matrix singular to machine precision"); |
|
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 } |
| 5785 | 4215 else if (typ != MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4216 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4217 } |
| 4218 | |
| 4219 return retval; | |
| 4220 } | |
| 4221 | |
| 4222 SparseComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4223 SparseComplexMatrix::trisolve (MatrixType &mattype, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4224 const SparseComplexMatrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4225 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4226 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4227 bool calc_cond) const |
| 5164 | 4228 { |
| 4229 SparseComplexMatrix retval; | |
| 4230 | |
| 5275 | 4231 octave_idx_type nr = rows (); |
| 4232 octave_idx_type nc = cols (); | |
| 5164 | 4233 err = 0; |
| 4234 | |
| 6924 | 4235 if (nr != nc || nr != b.rows ()) |
| 5164 | 4236 (*current_liboctave_error_handler) |
| 4237 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 4238 else if (nr == 0 || b.cols () == 0) |
| 4239 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5681 | 4240 else if (calc_cond) |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4241 (*current_liboctave_error_handler) |
| 5681 | 4242 ("calculation of condition number not implemented"); |
| 5164 | 4243 else |
| 4244 { | |
| 4245 // Print spparms("spumoni") info if requested | |
| 4246 int typ = mattype.type (); | |
| 4247 mattype.info (); | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4248 |
| 5164 | 4249 // Note can't treat symmetric case as there is no dpttrf function |
| 5785 | 4250 if (typ == MatrixType::Tridiagonal || |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4251 typ == MatrixType::Tridiagonal_Hermitian) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4252 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4253 OCTAVE_LOCAL_BUFFER (Complex, DU2, nr - 2); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4254 OCTAVE_LOCAL_BUFFER (Complex, DU, nr - 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4255 OCTAVE_LOCAL_BUFFER (Complex, D, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4256 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
|
4257 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
|
4258 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
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 if (mattype.is_dense ()) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4261 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4262 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4263 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4264 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
|
4265 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4266 D[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4267 DL[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4268 DU[j] = data (ii++); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4269 } |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4270 D[nc-1] = data (ii); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4271 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4272 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4273 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4274 D[0] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4275 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
|
4276 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4277 D[i+1] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4278 DL[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4279 DU[i] = 0.; |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4282 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
|
4283 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
|
4284 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4285 if (ridx (i) == j) |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4286 D[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4287 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
|
4288 DL[j] = data (i); |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4289 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
|
4290 DU[j-1] = data (i); |
|
10314
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4293 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4294 F77_XFCN (zgttrf, ZGTTRF, (nr, DL, D, DU, DU2, pipvt, err)); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4295 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4296 if (err != 0) |
|
10314
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 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4299 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4300 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4301 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4302 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4303 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4304 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4305 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4306 else |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4307 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4308 ("matrix singular to machine precision"); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4309 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4310 else |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
4311 { |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
4312 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4313 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4314 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4315 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4316 OCTAVE_LOCAL_BUFFER (Complex, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4317 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4318 // Take a first guess that the number of non-zero terms |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4319 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4320 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4321 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
4322 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
4323 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4324 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4325 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4326 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4327 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4328 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
|
4329 Bx[i] = b(i,j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4330 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4331 F77_XFCN (zgttrs, ZGTTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4332 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4333 nr, 1, DL, D, DU, DU2, pipvt, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4334 Bx, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4335 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4336 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4337 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4338 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4339 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4340 ("SparseComplexMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4341 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
4342 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4343 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4344 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4345 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4346 // Count non-zeros in work vector and adjust |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4347 // space in retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4348 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
4349 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4350 if (Bx[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4351 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4352 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4353 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4354 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4355 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4356 octave_idx_type sz = new_nnz * (b_nc - j) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4357 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4358 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4359 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4360 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4361 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4362 if (Bx[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4363 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4364 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4365 retval.xdata (ii++) = Bx[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4366 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4367 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4368 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4369 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4370 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4371 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4372 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4373 } |
| 5785 | 4374 else if (typ != MatrixType::Tridiagonal_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4375 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4376 } |
| 4377 | |
| 4378 return retval; | |
| 4379 } | |
| 4380 | |
| 4381 ComplexMatrix | |
| 5785 | 4382 SparseComplexMatrix::bsolve (MatrixType &mattype, const Matrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4383 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4384 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4385 bool calc_cond) const |
| 5164 | 4386 { |
| 4387 ComplexMatrix retval; | |
| 4388 | |
| 5275 | 4389 octave_idx_type nr = rows (); |
| 4390 octave_idx_type nc = cols (); | |
| 5164 | 4391 err = 0; |
| 4392 | |
| 6924 | 4393 if (nr != nc || nr != b.rows ()) |
| 5164 | 4394 (*current_liboctave_error_handler) |
| 4395 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 4396 else if (nr == 0 || b.cols () == 0) |
| 4397 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 4398 else |
| 4399 { | |
| 4400 // Print spparms("spumoni") info if requested | |
| 4401 volatile int typ = mattype.type (); | |
| 4402 mattype.info (); | |
| 4403 | |
| 5785 | 4404 if (typ == MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4405 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4406 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4407 octave_idx_type ldm = n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4408 ComplexMatrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4409 Complex *tmp_data = m_band.fortran_vec (); |
|
11586
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diff
changeset
|
4410 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4411 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4412 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4413 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4414 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4415 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4416 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4417 tmp_data[ii++] = 0.; |
|
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10158
diff
changeset
|
4418 } |
|
07ebe522dac2
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diff
changeset
|
4419 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4420 for (octave_idx_type j = 0; j < nc; j++) |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
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diff
changeset
|
4421 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4422 { |
|
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diff
changeset
|
4423 octave_idx_type ri = ridx (i); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4424 if (ri >= j) |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4425 m_band(ri - j, j) = data (i); |
|
10314
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diff
changeset
|
4426 } |
|
07ebe522dac2
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diff
changeset
|
4427 |
|
07ebe522dac2
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changeset
|
4428 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4429 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4430 if (calc_cond) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4431 anorm = m_band.abs ().sum ().row (0).max (); |
|
10314
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untabify liboctave C++ sources
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10158
diff
changeset
|
4432 |
|
07ebe522dac2
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diff
changeset
|
4433 char job = 'L'; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4434 F77_XFCN (zpbtrf, ZPBTRF, (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4435 nr, n_lower, tmp_data, ldm, err |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4436 F77_CHAR_ARG_LEN (1))); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4437 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4438 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4439 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4440 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4441 // Matrix is not positive definite!! Fall through to |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4442 // unsymmetric banded solver. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4443 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4444 typ = MatrixType::Banded; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4445 err = 0; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4446 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4447 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4448 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4449 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4450 { |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4451 Array<Complex> z (dim_vector (2 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4452 Complex *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4453 Array<double> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4454 double *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4455 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4456 F77_XFCN (zpbcon, ZPBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4457 (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
|
4458 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
|
4459 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4460 F77_CHAR_ARG_LEN (1))); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4461 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4462 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4463 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4464 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4465 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4466 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4467 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4468 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4469 err = -2; |
|
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 if (sing_handler) |
|
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 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4474 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4475 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4476 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4477 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4478 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4479 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4480 } |
|
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 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4483 rcond = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4484 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4485 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4486 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4487 retval = ComplexMatrix (b); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4488 Complex *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4489 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4490 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4491 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4492 F77_XFCN (zpbtrs, ZPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4493 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4494 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
|
4495 ldm, result, b.rows (), err |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4496 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4497 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4498 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4499 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4500 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4501 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4502 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4503 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4504 } |
|
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 } |
| 5164 | 4507 |
| 5785 | 4508 if (typ == MatrixType::Banded) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4509 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4510 // 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
|
4511 octave_idx_type n_upper = mattype.nupper (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4512 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4513 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
|
4514 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4515 ComplexMatrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4516 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
|
4517 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4518 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4519 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4520 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4521 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4522 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4523 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4524 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4525 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4526 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4527 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
|
4528 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
|
4529 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
|
4530 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4531 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4532 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4533 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4534 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4535 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4536 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4537 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4538 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
|
4539 atmp += std::abs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4540 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4541 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4542 } |
|
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 |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4545 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
|
4546 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4547 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4548 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
|
4549 ldm, pipvt, err)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4550 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4551 // 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
|
4552 // change output. |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4553 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4554 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4555 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4556 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4557 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4558 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4559 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4560 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4561 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4562 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4563 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4564 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4565 ("matrix singular to machine precision"); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4566 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4567 else |
|
10314
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 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4570 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4571 char job = '1'; |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4572 Array<Complex> z (dim_vector (2 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4573 Complex *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4574 Array<double> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4575 double *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4576 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4577 F77_XFCN (zgbcon, ZGBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4578 (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
|
4579 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
|
4580 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4581 F77_CHAR_ARG_LEN (1))); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4582 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4583 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4584 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4585 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4586 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4587 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4588 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4589 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4590 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4591 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4592 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4593 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4594 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4595 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4596 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4597 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4598 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4599 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4600 rcond); |
|
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4603 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4604 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4605 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4606 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4607 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4608 retval = ComplexMatrix (b); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4609 Complex *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4610 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4611 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4612 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4613 char job = 'N'; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4614 F77_XFCN (zgbtrs, ZGBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4615 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4616 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
|
4617 ldm, pipvt, result, b.rows (), err |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4618 F77_CHAR_ARG_LEN (1))); |
|
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4621 } |
| 5785 | 4622 else if (typ != MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4623 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4624 } |
| 4625 | |
| 4626 return retval; | |
| 4627 } | |
| 4628 | |
| 4629 SparseComplexMatrix | |
| 5785 | 4630 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
|
4631 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4632 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4633 bool calc_cond) const |
| 5164 | 4634 { |
| 4635 SparseComplexMatrix retval; | |
| 4636 | |
| 5275 | 4637 octave_idx_type nr = rows (); |
| 4638 octave_idx_type nc = cols (); | |
| 5164 | 4639 err = 0; |
| 4640 | |
| 6924 | 4641 if (nr != nc || nr != b.rows ()) |
| 5164 | 4642 (*current_liboctave_error_handler) |
| 4643 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 4644 else if (nr == 0 || b.cols () == 0) |
| 4645 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 4646 else |
| 4647 { | |
| 4648 // Print spparms("spumoni") info if requested | |
| 4649 volatile int typ = mattype.type (); | |
| 4650 mattype.info (); | |
| 4651 | |
| 5785 | 4652 if (typ == MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4653 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4654 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4655 octave_idx_type ldm = n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4656 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4657 ComplexMatrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4658 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
|
4659 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4660 if (! mattype.is_dense ()) |
|
10314
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 octave_idx_type ii = 0; |
|
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 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4665 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4666 tmp_data[ii++] = 0.; |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4669 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
|
4670 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
|
4671 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4672 octave_idx_type ri = ridx (i); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4673 if (ri >= j) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4674 m_band(ri - j, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4675 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4676 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4677 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4678 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4679 if (calc_cond) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4680 anorm = m_band.abs ().sum ().row (0).max (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4681 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4682 char job = 'L'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4683 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
|
4684 nr, n_lower, tmp_data, ldm, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4685 F77_CHAR_ARG_LEN (1))); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4686 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4687 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4688 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4689 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4690 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4691 typ = MatrixType::Banded; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4692 err = 0; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4693 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4694 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4695 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4696 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4697 { |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4698 Array<Complex> z (dim_vector (2 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4699 Complex *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4700 Array<double> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4701 double *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4702 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4703 F77_XFCN (zpbcon, ZPBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4704 (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
|
4705 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
|
4706 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4707 F77_CHAR_ARG_LEN (1))); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4708 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4709 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4710 err = -2; |
|
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 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4713 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4714 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4715 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4716 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4717 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4718 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4719 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4720 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4721 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4722 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4723 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4724 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4725 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4726 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4727 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4728 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4729 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4730 rcond = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4731 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4732 if (err == 0) |
|
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 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4735 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4736 OCTAVE_LOCAL_BUFFER (Complex, Bx, b_nr); |
|
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 // Take a first guess that the number of non-zero terms |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4739 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4740 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4741 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4742 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4743 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4744 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4745 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
|
4746 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4747 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
|
4748 Bx[i] = b.elem (i, j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4749 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4750 F77_XFCN (zpbtrs, ZPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4751 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4752 nr, n_lower, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4753 ldm, Bx, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4754 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4755 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4756 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4757 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4758 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4759 ("SparseComplexMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4760 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4761 break; |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4764 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
|
4765 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4766 Complex tmp = Bx[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4767 if (tmp != 0.0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4768 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4769 if (ii == x_nz) |
|
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 // Resize the sparse matrix |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4772 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
|
4773 (b_nc - j) / b_nc; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4774 sz = (sz > 10 ? sz : 10) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4775 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4776 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4777 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4778 retval.xdata (ii) = tmp; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4779 retval.xridx (ii++) = i; |
|
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 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4782 retval.xcidx (j+1) = ii; |
|
10314
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4785 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4786 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4787 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4788 } |
| 5164 | 4789 |
| 5785 | 4790 if (typ == MatrixType::Banded) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4791 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4792 // 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
|
4793 octave_idx_type n_upper = mattype.nupper (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4794 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4795 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
|
4796 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4797 ComplexMatrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4798 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
|
4799 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4800 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4801 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4802 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4803 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4804 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4805 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4806 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4807 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4808 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4809 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
|
4810 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
|
4811 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
|
4812 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4813 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4814 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4815 if (calc_cond) |
|
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 for (octave_idx_type j = 0; j < nr; j++) |
|
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 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4820 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
|
4821 atmp += std::abs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4822 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4823 anorm = atmp; |
|
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 |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4827 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
|
4828 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4829 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4830 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
|
4831 ldm, pipvt, err)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4832 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4833 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4834 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4835 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4836 err = -2; |
|
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 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4839 { |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4840 sing_handler (rcond); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4841 mattype.mark_as_rectangular (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4842 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4843 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4844 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4845 ("matrix singular to machine precision"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4846 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4847 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4848 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4849 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4850 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4851 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4852 char job = '1'; |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4853 Array<Complex> z (dim_vector (2 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4854 Complex *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
4855 Array<double> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4856 double *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4857 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4858 F77_XFCN (zgbcon, ZGBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4859 (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
|
4860 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
|
4861 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4862 F77_CHAR_ARG_LEN (1))); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4863 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4864 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4865 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4866 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4867 volatile double rcond_plus_one = rcond + 1.0; |
|
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 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4870 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4871 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4872 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4873 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4874 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4875 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4876 mattype.mark_as_rectangular (); |
|
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 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4879 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4880 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4881 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4882 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4883 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4884 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4885 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4886 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4887 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4888 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4889 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4890 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4891 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4892 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
|
4893 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4894 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4895 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4896 OCTAVE_LOCAL_BUFFER (Complex, work, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4897 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4898 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
|
4899 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4900 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4901 work[i] = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4902 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
|
4903 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
|
4904 work[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4905 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4906 F77_XFCN (zgbtrs, ZGBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4907 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4908 nr, n_lower, n_upper, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4909 ldm, pipvt, work, b.rows (), err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4910 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4911 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4912 // Count non-zeros in work vector and adjust |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4913 // space in retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4914 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4915 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4916 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4917 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4918 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4919 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4920 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4921 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4922 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
|
4923 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4924 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4925 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4926 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4927 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4928 if (work[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4929 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4930 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4931 retval.xdata (ii++) = work[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4932 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4933 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4934 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4935 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4936 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4937 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4938 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4939 } |
| 5785 | 4940 else if (typ != MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4941 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 4942 } |
| 4943 | |
| 4944 return retval; | |
| 4945 } | |
| 4946 | |
| 4947 ComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4948 SparseComplexMatrix::bsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4949 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4950 solve_singularity_handler sing_handler, |
|
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untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4951 bool calc_cond) const |
| 5164 | 4952 { |
| 4953 ComplexMatrix retval; | |
| 4954 | |
| 5275 | 4955 octave_idx_type nr = rows (); |
| 4956 octave_idx_type nc = cols (); | |
| 5164 | 4957 err = 0; |
| 4958 | |
| 6924 | 4959 if (nr != nc || nr != b.rows ()) |
| 5164 | 4960 (*current_liboctave_error_handler) |
| 4961 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 4962 else if (nr == 0 || b.cols () == 0) |
| 4963 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 4964 else |
| 4965 { | |
| 4966 // Print spparms("spumoni") info if requested | |
| 4967 volatile int typ = mattype.type (); | |
| 4968 mattype.info (); | |
| 4969 | |
| 5785 | 4970 if (typ == MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4971 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4972 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4973 octave_idx_type ldm = n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
4974 |
|
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untabify liboctave C++ sources
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diff
changeset
|
4975 ComplexMatrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
4976 Complex *tmp_data = m_band.fortran_vec (); |
|
11586
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strip trailing whitespace from source files
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diff
changeset
|
4977 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4978 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
4979 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4980 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4981 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4982 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4983 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4984 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4985 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4986 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4987 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
|
4988 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
|
4989 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
4990 octave_idx_type ri = ridx (i); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4991 if (ri >= j) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4992 m_band(ri - j, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4993 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4994 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
4995 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4996 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4997 if (calc_cond) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
4998 anorm = m_band.abs ().sum ().row (0).max (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
4999 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5000 char job = 'L'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5001 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
|
5002 nr, n_lower, tmp_data, ldm, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5003 F77_CHAR_ARG_LEN (1))); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5004 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5005 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5006 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5007 // Matrix is not positive definite!! Fall through to |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5008 // unsymmetric banded solver. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5009 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5010 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5011 typ = MatrixType::Banded; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5012 err = 0; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5013 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5014 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5015 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5016 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5017 { |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5018 Array<Complex> z (dim_vector (2 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5019 Complex *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5020 Array<double> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5021 double *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5022 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5023 F77_XFCN (zpbcon, ZPBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5024 (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
|
5025 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
|
5026 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5027 F77_CHAR_ARG_LEN (1))); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5028 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5029 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5030 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5031 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5032 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5033 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5034 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5035 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5036 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5037 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5038 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5039 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5040 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5041 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5042 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5043 else |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5044 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5045 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5046 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5047 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5048 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5049 else |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5050 rcond = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5051 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5052 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5053 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5054 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5055 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5056 retval = ComplexMatrix (b); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5057 Complex *result = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5058 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5059 F77_XFCN (zpbtrs, ZPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5060 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5061 nr, n_lower, b_nc, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5062 ldm, result, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5063 F77_CHAR_ARG_LEN (1))); |
|
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 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5066 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5067 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5068 ("SparseComplexMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5069 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5070 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5071 } |
|
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 } |
| 5164 | 5074 |
| 5785 | 5075 if (typ == MatrixType::Banded) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5076 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5077 // 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
|
5078 octave_idx_type n_upper = mattype.nupper (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5079 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5080 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
|
5081 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5082 ComplexMatrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5083 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
|
5084 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5085 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5086 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5087 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5088 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5089 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5090 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5091 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5092 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5093 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5094 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
|
5095 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
|
5096 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
|
5097 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5098 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5099 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5100 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5101 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5102 for (octave_idx_type j = 0; j < nr; j++) |
|
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 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5105 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
|
5106 atmp += std::abs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5107 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5108 anorm = atmp; |
|
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 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5111 |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5112 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
|
5113 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5114 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5115 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
|
5116 ldm, pipvt, err)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5117 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5118 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5119 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5120 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5121 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5122 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5123 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5124 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5125 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5126 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5127 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5128 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5129 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5130 ("matrix singular to machine precision"); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5131 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5132 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5133 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5134 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5135 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5136 char job = '1'; |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5137 Array<Complex> z (dim_vector (2 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5138 Complex *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5139 Array<double> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5140 double *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5141 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5142 F77_XFCN (zgbcon, ZGBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5143 (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
|
5144 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
|
5145 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5146 F77_CHAR_ARG_LEN (1))); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5147 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5148 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5149 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5150 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5151 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5152 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5153 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5154 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5155 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5156 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5157 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5158 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5159 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5160 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5161 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5162 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5163 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5164 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5165 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5166 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5167 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5168 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5169 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5170 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5171 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5172 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5173 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5174 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5175 retval = ComplexMatrix (b); |
|
07ebe522dac2
untabify liboctave C++ sources
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|
5176 Complex *result = retval.fortran_vec (); |
|
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untabify liboctave C++ sources
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diff
changeset
|
5177 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5178 F77_XFCN (zgbtrs, ZGBTRS, |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5179 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5180 nr, n_lower, n_upper, b_nc, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
5181 ldm, pipvt, result, b.rows (), err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5182 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5183 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5184 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5185 } |
| 5785 | 5186 else if (typ != MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5187 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 5188 } |
| 5189 | |
| 5190 return retval; | |
| 5191 } | |
| 5192 | |
| 5193 SparseComplexMatrix | |
| 5785 | 5194 SparseComplexMatrix::bsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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changeset
|
5195 octave_idx_type& err, double& rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5196 solve_singularity_handler sing_handler, |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5197 bool calc_cond) const |
| 5164 | 5198 { |
| 5199 SparseComplexMatrix retval; | |
| 5200 | |
| 5275 | 5201 octave_idx_type nr = rows (); |
| 5202 octave_idx_type nc = cols (); | |
| 5164 | 5203 err = 0; |
| 5204 | |
| 6924 | 5205 if (nr != nc || nr != b.rows ()) |
| 5164 | 5206 (*current_liboctave_error_handler) |
| 5207 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 5208 else if (nr == 0 || b.cols () == 0) |
| 5209 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 5210 else |
| 5211 { | |
| 5212 // Print spparms("spumoni") info if requested | |
| 5213 volatile int typ = mattype.type (); | |
| 5214 mattype.info (); | |
| 5215 | |
| 5785 | 5216 if (typ == MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5217 { |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5218 octave_idx_type n_lower = mattype.nlower (); |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5219 octave_idx_type ldm = n_lower + 1; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5220 |
|
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
5221 ComplexMatrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
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diff
changeset
|
5222 Complex *tmp_data = m_band.fortran_vec (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
5223 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
5224 if (! mattype.is_dense ()) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5225 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5226 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5227 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5228 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5229 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5230 tmp_data[ii++] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5231 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5232 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5233 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
|
5234 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5235 { |
|
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untabify liboctave C++ sources
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diff
changeset
|
5236 octave_idx_type ri = ridx (i); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
5237 if (ri >= j) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5238 m_band(ri - j, j) = data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5239 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5240 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5241 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
5242 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5243 if (calc_cond) |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5244 anorm = m_band.abs ().sum ().row (0).max (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5245 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5246 char job = 'L'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5247 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
|
5248 nr, n_lower, tmp_data, ldm, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5249 F77_CHAR_ARG_LEN (1))); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5250 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5251 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5252 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5253 // Matrix is not positive definite!! Fall through to |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5254 // unsymmetric banded solver. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5255 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5256 typ = MatrixType::Banded; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5257 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5258 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5259 err = 0; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5260 } |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5261 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5262 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5263 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5264 { |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5265 Array<Complex> z (dim_vector (2 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5266 Complex *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5267 Array<double> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5268 double *piz = iz.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5269 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5270 F77_XFCN (zpbcon, ZPBCON, |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5271 (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
|
5272 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
|
5273 anorm, rcond, pz, piz, err |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5274 F77_CHAR_ARG_LEN (1))); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5275 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
5276 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5277 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5278 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5279 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5280 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5281 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5282 { |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5283 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5284 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5285 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5286 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5287 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5288 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5289 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5290 else |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5291 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5292 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5293 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5294 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5295 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5296 else |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5297 rcond = 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5298 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5299 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5300 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5301 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5302 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5303 OCTAVE_LOCAL_BUFFER (Complex, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5304 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5305 // Take a first guess that the number of non-zero terms |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5306 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5307 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5308 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5309 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5310 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5311 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5312 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
|
5313 { |
|
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 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
|
5316 Bx[i] = b(i,j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5317 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5318 F77_XFCN (zpbtrs, ZPBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5319 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5320 nr, n_lower, 1, tmp_data, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5321 ldm, Bx, b_nr, err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5322 F77_CHAR_ARG_LEN (1))); |
|
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 if (err != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5325 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5326 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5327 ("SparseMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5328 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5329 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5330 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5331 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5332 // Count non-zeros in work vector and adjust |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5333 // space in retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5334 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5335 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5336 if (Bx[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5337 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5338 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5339 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5340 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5341 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5342 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
|
5343 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5344 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5345 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5346 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5347 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5348 if (Bx[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5349 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5350 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5351 retval.xdata (ii++) = Bx[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5352 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5353 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5354 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5355 } |
|
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 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5358 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5359 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5360 } |
| 5164 | 5361 |
| 5785 | 5362 if (typ == MatrixType::Banded) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5363 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5364 // 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
|
5365 octave_idx_type n_upper = mattype.nupper (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5366 octave_idx_type n_lower = mattype.nlower (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5367 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
|
5368 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5369 ComplexMatrix m_band (ldm, nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5370 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
|
5371 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5372 if (! mattype.is_dense ()) |
|
10314
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 octave_idx_type ii = 0; |
|
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 for (octave_idx_type j = 0; j < ldm; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5377 for (octave_idx_type i = 0; i < nc; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5378 tmp_data[ii++] = 0.; |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5381 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
|
5382 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
|
5383 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
|
5384 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5385 // Calculate the norm of the matrix, for later use. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5386 double anorm; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5387 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5388 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5389 for (octave_idx_type j = 0; j < nr; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5390 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5391 double atmp = 0.; |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5392 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
|
5393 atmp += std::abs (data (i)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5394 if (atmp > anorm) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5395 anorm = atmp; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5396 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5397 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5398 |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5399 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
|
5400 octave_idx_type *pipvt = ipvt.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5401 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5402 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
|
5403 ldm, pipvt, err)); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5404 |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5405 if (err != 0) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5406 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5407 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5408 rcond = 0.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5409 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5410 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5411 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5412 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5413 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5414 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5415 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5416 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5417 ("matrix singular to machine precision"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5418 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5419 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5420 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5421 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5422 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5423 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5424 char job = '1'; |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5425 Array<Complex> z (dim_vector (2 * nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5426 Complex *pz = z.fortran_vec (); |
|
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
5427 Array<double> iz (dim_vector (nr, 1)); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
5428 double *piz = iz.fortran_vec (); |
|
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untabify liboctave C++ sources
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diff
changeset
|
5429 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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11574
diff
changeset
|
5430 F77_XFCN (zgbcon, ZGBCON, |
|
17769
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Rik <rik@octave.org>
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changeset
|
5431 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
49a5a4be04a1
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Rik <rik@octave.org>
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17744
diff
changeset
|
5432 nc, n_lower, n_upper, tmp_data, ldm, pipvt, |
|
49a5a4be04a1
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Rik <rik@octave.org>
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17744
diff
changeset
|
5433 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
|
5434 F77_CHAR_ARG_LEN (1))); |
|
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5435 |
|
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Rik <rik@octave.org>
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17744
diff
changeset
|
5436 if (err != 0) |
|
10314
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untabify liboctave C++ sources
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changeset
|
5437 err = -2; |
|
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untabify liboctave C++ sources
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diff
changeset
|
5438 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5439 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5440 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5441 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5442 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5443 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5444 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5445 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5446 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5447 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5448 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5449 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5450 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5451 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5452 ("matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5453 rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5454 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5455 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5456 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5457 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5458 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5459 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5460 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
5461 char job = 'N'; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5462 volatile octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5463 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
5464 retval = SparseComplexMatrix (nr, b_nc, x_nz); |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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14846
diff
changeset
|
5465 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5466 volatile octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5467 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5468 OCTAVE_LOCAL_BUFFER (Complex, Bx, nr); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5469 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5470 for (volatile octave_idx_type j = 0; j < b_nc; j++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5471 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5472 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5473 Bx[i] = 0.; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
5474 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5475 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
|
5476 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
|
5477 Bx[b.ridx (i)] = b.data (i); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5478 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
5479 F77_XFCN (zgbtrs, ZGBTRS, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5480 (F77_CONST_CHAR_ARG2 (&job, 1), |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5481 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
|
5482 ldm, pipvt, Bx, b.rows (), err |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5483 F77_CHAR_ARG_LEN (1))); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5484 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
5485 // Count non-zeros in work vector and adjust |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5486 // space in retval if needed |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5487 octave_idx_type new_nnz = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5488 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5489 if (Bx[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5490 new_nnz++; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5491 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5492 if (ii + new_nnz > x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5493 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5494 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5495 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
|
5496 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5497 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5498 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5499 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5500 for (octave_idx_type i = 0; i < nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5501 if (Bx[i] != 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5502 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5503 retval.xridx (ii) = i; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5504 retval.xdata (ii++) = Bx[i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5505 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
5506 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5507 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5508 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5509 retval.maybe_compress (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5510 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5511 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5512 } |
| 5785 | 5513 else if (typ != MatrixType::Banded_Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5514 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 5515 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5516 |
| 5164 | 5517 return retval; |
| 5518 } | |
| 5519 | |
| 5520 void * | |
| 5681 | 5521 SparseComplexMatrix::factorize (octave_idx_type& err, double &rcond, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5522 Matrix &Control, Matrix &Info, |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5523 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5524 bool calc_cond) const |
| 5164 | 5525 { |
| 5526 // The return values | |
| 5404 | 5527 void *Numeric = 0; |
| 5164 | 5528 err = 0; |
| 5529 | |
| 5203 | 5530 #ifdef HAVE_UMFPACK |
| 5164 | 5531 // Setup the control parameters |
| 5532 Control = Matrix (UMFPACK_CONTROL, 1); | |
| 5533 double *control = Control.fortran_vec (); | |
| 5322 | 5534 UMFPACK_ZNAME (defaults) (control); |
| 5164 | 5535 |
| 5893 | 5536 double tmp = octave_sparse_params::get_key ("spumoni"); |
| 5164 | 5537 if (!xisnan (tmp)) |
| 5538 Control (UMFPACK_PRL) = tmp; | |
| 5893 | 5539 tmp = octave_sparse_params::get_key ("piv_tol"); |
| 5164 | 5540 if (!xisnan (tmp)) |
| 5541 { | |
| 5542 Control (UMFPACK_SYM_PIVOT_TOLERANCE) = tmp; | |
| 5543 Control (UMFPACK_PIVOT_TOLERANCE) = tmp; | |
| 5544 } | |
| 5545 | |
| 5546 // Set whether we are allowed to modify Q or not | |
| 5893 | 5547 tmp = octave_sparse_params::get_key ("autoamd"); |
| 5164 | 5548 if (!xisnan (tmp)) |
| 5549 Control (UMFPACK_FIXQ) = tmp; | |
| 5550 | |
| 5322 | 5551 UMFPACK_ZNAME (report_control) (control); |
| 5164 | 5552 |
| 5275 | 5553 const octave_idx_type *Ap = cidx (); |
| 5554 const octave_idx_type *Ai = ridx (); | |
| 5164 | 5555 const Complex *Ax = data (); |
| 5275 | 5556 octave_idx_type nr = rows (); |
| 5557 octave_idx_type nc = cols (); | |
| 5164 | 5558 |
| 5322 | 5559 UMFPACK_ZNAME (report_matrix) (nr, nc, Ap, Ai, |
|
10314
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diff
changeset
|
5560 reinterpret_cast<const double *> (Ax), |
|
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untabify liboctave C++ sources
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10158
diff
changeset
|
5561 0, 1, control); |
| 5164 | 5562 |
| 5563 void *Symbolic; | |
| 5564 Info = Matrix (1, UMFPACK_INFO); | |
| 5565 double *info = Info.fortran_vec (); | |
|
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strip trailing whitespace from source files
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diff
changeset
|
5566 int status = UMFPACK_ZNAME (qsymbolic) (nr, nc, Ap, Ai, |
|
17769
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Rik <rik@octave.org>
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diff
changeset
|
5567 reinterpret_cast<const double *> (Ax), |
|
49a5a4be04a1
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17744
diff
changeset
|
5568 0, 0, &Symbolic, control, info); |
| 5164 | 5569 |
| 5570 if (status < 0) | |
| 5571 { | |
|
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strip trailing whitespace from source files
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diff
changeset
|
5572 (*current_liboctave_error_handler) |
|
10314
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untabify liboctave C++ sources
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10158
diff
changeset
|
5573 ("SparseComplexMatrix::solve symbolic factorization failed"); |
| 5164 | 5574 err = -1; |
| 5575 | |
| 5322 | 5576 UMFPACK_ZNAME (report_status) (control, status); |
| 5577 UMFPACK_ZNAME (report_info) (control, info); | |
| 5578 | |
|
17769
49a5a4be04a1
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17744
diff
changeset
|
5579 UMFPACK_ZNAME (free_symbolic) (&Symbolic); |
| 5164 | 5580 } |
| 5581 else | |
| 5582 { | |
| 5322 | 5583 UMFPACK_ZNAME (report_symbolic) (Symbolic, control); |
| 5584 | |
| 5585 status = UMFPACK_ZNAME (numeric) (Ap, Ai, | |
|
17769
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Rik <rik@octave.org>
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17744
diff
changeset
|
5586 reinterpret_cast<const double *> (Ax), |
|
49a5a4be04a1
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17744
diff
changeset
|
5587 0, Symbolic, &Numeric, control, info); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5588 UMFPACK_ZNAME (free_symbolic) (&Symbolic); |
| 5164 | 5589 |
| 5681 | 5590 if (calc_cond) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5591 rcond = Info (UMFPACK_RCOND); |
| 5681 | 5592 else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5593 rcond = 1.; |
| 5164 | 5594 volatile double rcond_plus_one = rcond + 1.0; |
| 5595 | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5596 if (status == UMFPACK_WARNING_singular_matrix || |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5597 rcond_plus_one == 1.0 || xisnan (rcond)) |
|
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 UMFPACK_ZNAME (report_numeric) (Numeric, control); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5600 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5601 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5602 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5603 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5604 sing_handler (rcond); |
|
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 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5607 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5608 rcond); |
|
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 } |
| 5610 | 5611 else if (status < 0) |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5612 { |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5613 (*current_liboctave_error_handler) |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5614 ("SparseComplexMatrix::solve numeric factorization failed"); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5615 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5616 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
|
5617 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
|
5618 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5619 err = -1; |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5620 } |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5621 else |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5622 { |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5623 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
|
5624 } |
| 5164 | 5625 } |
| 5626 | |
| 5627 if (err != 0) | |
| 5322 | 5628 UMFPACK_ZNAME (free_numeric) (&Numeric); |
| 5203 | 5629 #else |
| 5630 (*current_liboctave_error_handler) ("UMFPACK not installed"); | |
| 5631 #endif | |
| 5164 | 5632 |
| 5633 return Numeric; | |
| 5634 } | |
| 5635 | |
| 5636 ComplexMatrix | |
| 5785 | 5637 SparseComplexMatrix::fsolve (MatrixType &mattype, const Matrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5638 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5639 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5640 bool calc_cond) const |
| 5164 | 5641 { |
| 5642 ComplexMatrix retval; | |
| 5643 | |
| 5275 | 5644 octave_idx_type nr = rows (); |
| 5645 octave_idx_type nc = cols (); | |
| 5164 | 5646 err = 0; |
| 5647 | |
| 6924 | 5648 if (nr != nc || nr != b.rows ()) |
| 5164 | 5649 (*current_liboctave_error_handler) |
| 5650 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 5651 else if (nr == 0 || b.cols () == 0) |
| 5652 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 5653 else |
| 5654 { | |
| 5655 // Print spparms("spumoni") info if requested | |
| 5656 volatile int typ = mattype.type (); | |
| 5657 mattype.info (); | |
| 5658 | |
| 5785 | 5659 if (typ == MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5660 { |
| 5506 | 5661 #ifdef HAVE_CHOLMOD |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5662 cholmod_common Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5663 cholmod_common *cm = &Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5664 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5665 // Setup initial parameters |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5666 CHOLMOD_NAME(start) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5667 cm->prefer_zomplex = false; |
|
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 double spu = octave_sparse_params::get_key ("spumoni"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5670 if (spu == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5671 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5672 cm->print = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5673 cm->print_function = 0; |
|
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 else |
|
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 cm->print = static_cast<int> (spu) + 2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5678 cm->print_function =&SparseCholPrint; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5679 } |
|
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 cm->error_handler = &SparseCholError; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5682 cm->complex_divide = CHOLMOD_NAME(divcomplex); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5683 cm->hypotenuse = CHOLMOD_NAME(hypot); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5684 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5685 cm->final_ll = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5686 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5687 cholmod_sparse Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5688 cholmod_sparse *A = &Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5689 double dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5690 A->nrow = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5691 A->ncol = nc; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5692 |
|
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
|
5693 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
|
5694 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
|
5695 A->nzmax = nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5696 A->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5697 A->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5698 A->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
5699 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5700 A->itype = CHOLMOD_LONG; |
| 5506 | 5701 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5702 A->itype = CHOLMOD_INT; |
| 5506 | 5703 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5704 A->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5705 A->stype = 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5706 A->xtype = CHOLMOD_COMPLEX; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5707 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5708 if (nr < 1) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5709 A->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5710 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
|
5711 A->x = data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5712 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5713 cholmod_dense Bstore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5714 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
|
5715 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
|
5716 B->ncol = b.cols (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5717 B->d = B->nrow; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5718 B->nzmax = B->nrow * B->ncol; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5719 B->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5720 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
|
5721 if (nc < 1 || b.cols () < 1) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5722 B->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5723 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5724 // 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
|
5725 B->x = const_cast<double *>(b.fortran_vec ()); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5726 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5727 cholmod_factor *L; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5728 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5729 L = CHOLMOD_NAME(analyze) (A, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5730 CHOLMOD_NAME(factorize) (A, L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5731 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5732 rcond = CHOLMOD_NAME(rcond)(L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5733 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5734 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5735 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5736 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5737 if (rcond == 0.0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5738 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5739 // Either its indefinite or singular. Try UMFPACK |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5740 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5741 typ = MatrixType::Full; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5742 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5743 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5744 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5745 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5746 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5747 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5748 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5749 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5750 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5751 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5752 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5753 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5754 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5755 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5756 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5757 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5758 ("SparseMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5759 rcond); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5760 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5761 return retval; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5762 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5763 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5764 cholmod_dense *X; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5765 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5766 X = CHOLMOD_NAME(solve) (CHOLMOD_A, L, B, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5767 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5768 |
|
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
|
5769 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
|
5770 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
|
5771 { |
|
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
|
5772 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
|
5773 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
|
5774 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
|
5775 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5776 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5777 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5778 CHOLMOD_NAME(free_dense) (&X, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5779 CHOLMOD_NAME(free_factor) (&L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5780 CHOLMOD_NAME(finish) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5781 static char tmp[] = " "; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5782 CHOLMOD_NAME(print_common) (tmp, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5783 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5784 } |
| 5506 | 5785 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5786 (*current_liboctave_warning_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5787 ("CHOLMOD not installed"); |
|
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 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5790 typ = MatrixType::Full; |
| 5506 | 5791 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5792 } |
| 5164 | 5793 |
| 5785 | 5794 if (typ == MatrixType::Full) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5795 { |
| 5203 | 5796 #ifdef HAVE_UMFPACK |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5797 Matrix Control, Info; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5798 void *Numeric = factorize (err, rcond, Control, Info, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5799 sing_handler, calc_cond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5800 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5801 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5802 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5803 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5804 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5805 int status = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5806 double *control = Control.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5807 double *info = Info.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5808 const octave_idx_type *Ap = cidx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5809 const octave_idx_type *Ai = ridx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5810 const Complex *Ax = data (); |
| 5203 | 5811 #ifdef UMFPACK_SEPARATE_SPLIT |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5812 const double *Bx = b.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5813 OCTAVE_LOCAL_BUFFER (double, Bz, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5814 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
|
5815 Bz[i] = 0.; |
| 5203 | 5816 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5817 OCTAVE_LOCAL_BUFFER (Complex, Bz, b_nr); |
| 5203 | 5818 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5819 retval.resize (b_nr, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5820 Complex *Xx = retval.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5821 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5822 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
|
5823 { |
| 5203 | 5824 #ifdef UMFPACK_SEPARATE_SPLIT |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5825 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
|
5826 Ai, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5827 reinterpret_cast<const double *> (Ax), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5828 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5829 reinterpret_cast<double *> (&Xx[iidx]), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5830 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5831 &Bx[iidx], Bz, Numeric, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5832 control, info); |
| 5203 | 5833 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5834 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5835 Bz[i] = b.elem (i, j); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5836 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5837 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
|
5838 Ai, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5839 reinterpret_cast<const double *> (Ax), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5840 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5841 reinterpret_cast<double *> (&Xx[iidx]), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5842 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5843 reinterpret_cast<const double *> (Bz), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5844 0, Numeric, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5845 control, info); |
| 5203 | 5846 #endif |
| 5847 | |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5848 if (status < 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5849 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5850 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5851 ("SparseComplexMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
5852 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5853 UMFPACK_ZNAME (report_status) (control, status); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5854 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5855 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5856 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5857 break; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5858 } |
|
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 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5861 UMFPACK_ZNAME (report_info) (control, info); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5862 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5863 UMFPACK_ZNAME (free_numeric) (&Numeric); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5864 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5865 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5866 mattype.mark_as_rectangular (); |
| 5681 | 5867 |
| 5203 | 5868 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5869 (*current_liboctave_error_handler) ("UMFPACK not installed"); |
| 5203 | 5870 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5871 } |
| 5785 | 5872 else if (typ != MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5873 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 5874 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5875 |
| 5164 | 5876 return retval; |
| 5877 } | |
| 5878 | |
| 5879 SparseComplexMatrix | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5880 SparseComplexMatrix::fsolve (MatrixType &mattype, const SparseMatrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5881 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5882 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5883 bool calc_cond) const |
| 5164 | 5884 { |
| 5885 SparseComplexMatrix retval; | |
| 5886 | |
| 5275 | 5887 octave_idx_type nr = rows (); |
| 5888 octave_idx_type nc = cols (); | |
| 5164 | 5889 err = 0; |
| 5890 | |
| 6924 | 5891 if (nr != nc || nr != b.rows ()) |
| 5164 | 5892 (*current_liboctave_error_handler) |
| 5893 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 5894 else if (nr == 0 || b.cols () == 0) |
| 5895 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 5896 else |
| 5897 { | |
| 5898 // Print spparms("spumoni") info if requested | |
| 5506 | 5899 volatile int typ = mattype.type (); |
| 5164 | 5900 mattype.info (); |
| 5901 | |
| 5785 | 5902 if (typ == MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5903 { |
| 5506 | 5904 #ifdef HAVE_CHOLMOD |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5905 cholmod_common Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5906 cholmod_common *cm = &Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5907 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5908 // Setup initial parameters |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5909 CHOLMOD_NAME(start) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5910 cm->prefer_zomplex = false; |
|
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 double spu = octave_sparse_params::get_key ("spumoni"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5913 if (spu == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5914 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5915 cm->print = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5916 cm->print_function = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5917 } |
|
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 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5920 cm->print = static_cast<int> (spu) + 2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5921 cm->print_function =&SparseCholPrint; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5922 } |
|
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 cm->error_handler = &SparseCholError; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5925 cm->complex_divide = CHOLMOD_NAME(divcomplex); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5926 cm->hypotenuse = CHOLMOD_NAME(hypot); |
|
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 cm->final_ll = true; |
|
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 cholmod_sparse Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5931 cholmod_sparse *A = &Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5932 double dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5933 A->nrow = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5934 A->ncol = nc; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5935 |
|
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
|
5936 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
|
5937 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
|
5938 A->nzmax = nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5939 A->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5940 A->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5941 A->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
5942 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5943 A->itype = CHOLMOD_LONG; |
| 5506 | 5944 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5945 A->itype = CHOLMOD_INT; |
| 5506 | 5946 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5947 A->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5948 A->stype = 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5949 A->xtype = CHOLMOD_COMPLEX; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5950 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5951 if (nr < 1) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5952 A->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5953 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
|
5954 A->x = data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5955 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5956 cholmod_sparse Bstore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5957 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
|
5958 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
|
5959 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
|
5960 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
|
5961 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
|
5962 B->nzmax = b.nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5963 B->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5964 B->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5965 B->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
5966 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5967 B->itype = CHOLMOD_LONG; |
| 5506 | 5968 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5969 B->itype = CHOLMOD_INT; |
| 5506 | 5970 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5971 B->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5972 B->stype = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5973 B->xtype = CHOLMOD_REAL; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5974 |
|
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
|
5975 if (b.rows () < 1 || b.cols () < 1) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5976 B->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5977 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
|
5978 B->x = b.data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5979 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5980 cholmod_factor *L; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5981 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5982 L = CHOLMOD_NAME(analyze) (A, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5983 CHOLMOD_NAME(factorize) (A, L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5984 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5985 rcond = CHOLMOD_NAME(rcond)(L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5986 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5987 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5988 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5989 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5990 if (rcond == 0.0) |
|
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 // Either its indefinite or singular. Try UMFPACK |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5993 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5994 typ = MatrixType::Full; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5995 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
5996 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
5997 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
5998 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
5999 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6000 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6001 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6002 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6003 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6004 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6005 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6006 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6007 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6008 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6009 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6010 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6011 ("SparseMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6012 rcond); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6013 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6014 return retval; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6015 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6016 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6017 cholmod_sparse *X; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6018 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6019 X = CHOLMOD_NAME(spsolve) (CHOLMOD_A, L, B, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6020 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6021 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6022 retval = SparseComplexMatrix |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6023 (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
|
6024 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
|
6025 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
|
6026 for (octave_idx_type j = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6027 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
|
6028 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
|
6029 for (octave_idx_type j = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6030 j < static_cast<octave_idx_type>(X->nzmax); j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6031 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6032 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
|
6033 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
|
6034 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6035 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6036 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6037 CHOLMOD_NAME(free_sparse) (&X, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6038 CHOLMOD_NAME(free_factor) (&L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6039 CHOLMOD_NAME(finish) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6040 static char tmp[] = " "; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6041 CHOLMOD_NAME(print_common) (tmp, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6042 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6043 } |
| 5506 | 6044 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6045 (*current_liboctave_warning_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6046 ("CHOLMOD not installed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6047 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6048 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6049 typ = MatrixType::Full; |
| 5506 | 6050 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6051 } |
| 5164 | 6052 |
| 5785 | 6053 if (typ == MatrixType::Full) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6054 { |
| 5203 | 6055 #ifdef HAVE_UMFPACK |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6056 Matrix Control, Info; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6057 void *Numeric = factorize (err, rcond, Control, Info, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6058 sing_handler, calc_cond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6059 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6060 if (err == 0) |
|
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 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6063 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6064 int status = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6065 double *control = Control.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6066 double *info = Info.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6067 const octave_idx_type *Ap = cidx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6068 const octave_idx_type *Ai = ridx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6069 const Complex *Ax = data (); |
| 5164 | 6070 |
| 5203 | 6071 #ifdef UMFPACK_SEPARATE_SPLIT |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6072 OCTAVE_LOCAL_BUFFER (double, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6073 OCTAVE_LOCAL_BUFFER (double, Bz, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6074 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
|
6075 Bz[i] = 0.; |
| 5203 | 6076 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6077 OCTAVE_LOCAL_BUFFER (Complex, Bz, b_nr); |
| 5203 | 6078 #endif |
| 5164 | 6079 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6080 // Take a first guess that the number of non-zero terms |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6081 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6082 octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6083 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6084 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
|
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 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
|
6087 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6088 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6089 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
|
6090 { |
| 5164 | 6091 |
| 5203 | 6092 #ifdef UMFPACK_SEPARATE_SPLIT |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6093 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
|
6094 Bx[i] = b.elem (i, j); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6095 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6096 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
|
6097 Ai, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6098 reinterpret_cast<const double *> (Ax), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6099 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6100 reinterpret_cast<double *> (Xx), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6101 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6102 Bx, Bz, Numeric, control, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6103 info); |
| 5203 | 6104 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6105 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6106 Bz[i] = b.elem (i, j); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6107 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
6108 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
|
6109 reinterpret_cast<const double *> (Ax), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6110 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6111 reinterpret_cast<double *> (Xx), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6112 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6113 reinterpret_cast<double *> (Bz), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6114 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6115 Numeric, control, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6116 info); |
| 5203 | 6117 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6118 if (status < 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6119 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6120 (*current_liboctave_error_handler) |
|
10314
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untabify liboctave C++ sources
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|
6121 ("SparseComplexMatrix::solve solve failed"); |
|
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untabify liboctave C++ sources
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diff
changeset
|
6122 |
|
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untabify liboctave C++ sources
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changeset
|
6123 UMFPACK_ZNAME (report_status) (control, status); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6124 |
|
10314
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changeset
|
6125 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6126 |
|
07ebe522dac2
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diff
changeset
|
6127 break; |
|
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diff
changeset
|
6128 } |
|
07ebe522dac2
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diff
changeset
|
6129 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6130 for (octave_idx_type i = 0; i < b_nr; i++) |
|
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untabify liboctave C++ sources
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|
6131 { |
|
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diff
changeset
|
6132 Complex tmp = Xx[i]; |
|
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untabify liboctave C++ sources
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|
6133 if (tmp != 0.0) |
|
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changeset
|
6134 { |
|
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changeset
|
6135 if (ii == x_nz) |
|
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untabify liboctave C++ sources
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diff
changeset
|
6136 { |
|
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diff
changeset
|
6137 // Resize the sparse matrix |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
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|
6138 octave_idx_type sz = x_nz * (b_nc - j) / b_nc; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
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|
6139 sz = (sz > 10 ? sz : 10) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
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|
6140 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
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|
6141 x_nz = sz; |
|
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untabify liboctave C++ sources
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diff
changeset
|
6142 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6143 retval.xdata (ii) = tmp; |
|
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6144 retval.xridx (ii++) = i; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6145 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6146 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6147 retval.xcidx (j+1) = ii; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6148 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6149 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6150 retval.maybe_compress (); |
|
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untabify liboctave C++ sources
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diff
changeset
|
6151 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6152 UMFPACK_ZNAME (report_info) (control, info); |
|
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untabify liboctave C++ sources
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diff
changeset
|
6153 |
|
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diff
changeset
|
6154 UMFPACK_ZNAME (free_numeric) (&Numeric); |
|
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diff
changeset
|
6155 } |
|
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diff
changeset
|
6156 else |
|
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diff
changeset
|
6157 mattype.mark_as_rectangular (); |
| 5681 | 6158 |
| 5203 | 6159 #else |
|
10314
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diff
changeset
|
6160 (*current_liboctave_error_handler) ("UMFPACK not installed"); |
| 5203 | 6161 #endif |
|
10314
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diff
changeset
|
6162 } |
| 5785 | 6163 else if (typ != MatrixType::Hermitian) |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6164 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 6165 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
6166 |
| 5164 | 6167 return retval; |
| 6168 } | |
| 6169 | |
| 6170 ComplexMatrix | |
|
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6171 SparseComplexMatrix::fsolve (MatrixType &mattype, const ComplexMatrix& b, |
|
10314
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diff
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|
6172 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6173 solve_singularity_handler sing_handler, |
|
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untabify liboctave C++ sources
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diff
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|
6174 bool calc_cond) const |
| 5164 | 6175 { |
| 6176 ComplexMatrix retval; | |
| 6177 | |
| 5275 | 6178 octave_idx_type nr = rows (); |
| 6179 octave_idx_type nc = cols (); | |
| 5164 | 6180 err = 0; |
| 6181 | |
| 6924 | 6182 if (nr != nc || nr != b.rows ()) |
| 5164 | 6183 (*current_liboctave_error_handler) |
| 6184 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 6185 else if (nr == 0 || b.cols () == 0) |
| 6186 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0)); | |
| 5164 | 6187 else |
| 6188 { | |
| 6189 // Print spparms("spumoni") info if requested | |
| 5506 | 6190 volatile int typ = mattype.type (); |
| 5164 | 6191 mattype.info (); |
| 6192 | |
| 5785 | 6193 if (typ == MatrixType::Hermitian) |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6194 { |
| 5506 | 6195 #ifdef HAVE_CHOLMOD |
|
10314
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6196 cholmod_common Common; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6197 cholmod_common *cm = &Common; |
|
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untabify liboctave C++ sources
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diff
changeset
|
6198 |
|
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diff
changeset
|
6199 // Setup initial parameters |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6200 CHOLMOD_NAME(start) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6201 cm->prefer_zomplex = false; |
|
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diff
changeset
|
6202 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6203 double spu = octave_sparse_params::get_key ("spumoni"); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6204 if (spu == 0.) |
|
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10158
diff
changeset
|
6205 { |
|
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diff
changeset
|
6206 cm->print = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6207 cm->print_function = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6208 } |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6209 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6210 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6211 cm->print = static_cast<int> (spu) + 2; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6212 cm->print_function =&SparseCholPrint; |
|
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10158
diff
changeset
|
6213 } |
|
07ebe522dac2
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diff
changeset
|
6214 |
|
07ebe522dac2
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diff
changeset
|
6215 cm->error_handler = &SparseCholError; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6216 cm->complex_divide = CHOLMOD_NAME(divcomplex); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6217 cm->hypotenuse = CHOLMOD_NAME(hypot); |
|
07ebe522dac2
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10158
diff
changeset
|
6218 |
|
07ebe522dac2
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diff
changeset
|
6219 cm->final_ll = true; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6220 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6221 cholmod_sparse Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6222 cholmod_sparse *A = &Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6223 double dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6224 A->nrow = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6225 A->ncol = nc; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6226 |
|
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
|
6227 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
|
6228 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
|
6229 A->nzmax = nnz (); |
|
10314
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changeset
|
6230 A->packed = true; |
|
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untabify liboctave C++ sources
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changeset
|
6231 A->sorted = true; |
|
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untabify liboctave C++ sources
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changeset
|
6232 A->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
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15271
diff
changeset
|
6233 #ifdef USE_64_BIT_IDX_T |
|
10314
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|
6234 A->itype = CHOLMOD_LONG; |
| 5506 | 6235 #else |
|
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|
6236 A->itype = CHOLMOD_INT; |
| 5506 | 6237 #endif |
|
10314
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|
6238 A->dtype = CHOLMOD_DOUBLE; |
|
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changeset
|
6239 A->stype = 1; |
|
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untabify liboctave C++ sources
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changeset
|
6240 A->xtype = CHOLMOD_COMPLEX; |
|
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changeset
|
6241 |
|
07ebe522dac2
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changeset
|
6242 if (nr < 1) |
|
07ebe522dac2
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changeset
|
6243 A->x = &dummy; |
|
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untabify liboctave C++ sources
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changeset
|
6244 else |
|
14846
460a3c6d8bf1
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Rik <octave@nomad.inbox5.com>
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14844
diff
changeset
|
6245 A->x = data (); |
|
10314
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changeset
|
6246 |
|
07ebe522dac2
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changeset
|
6247 cholmod_dense Bstore; |
|
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changeset
|
6248 cholmod_dense *B = &Bstore; |
|
14846
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Rik <octave@nomad.inbox5.com>
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14844
diff
changeset
|
6249 B->nrow = b.rows (); |
|
460a3c6d8bf1
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14844
diff
changeset
|
6250 B->ncol = b.cols (); |
|
10314
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changeset
|
6251 B->d = B->nrow; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
6252 B->nzmax = B->nrow * B->ncol; |
|
07ebe522dac2
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changeset
|
6253 B->dtype = CHOLMOD_DOUBLE; |
|
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changeset
|
6254 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>
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14844
diff
changeset
|
6255 if (nc < 1 || b.cols () < 1) |
|
10314
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changeset
|
6256 B->x = &dummy; |
|
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changeset
|
6257 else |
|
07ebe522dac2
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changeset
|
6258 // 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
|
6259 B->x = const_cast<Complex *>(b.fortran_vec ()); |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6260 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6261 cholmod_factor *L; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
6262 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
6263 L = CHOLMOD_NAME(analyze) (A, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6264 CHOLMOD_NAME(factorize) (A, L, cm); |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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|
6265 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6266 rcond = CHOLMOD_NAME(rcond)(L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6267 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6268 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6269 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6270 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6271 if (rcond == 0.0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6272 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6273 // Either its indefinite or singular. Try UMFPACK |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6274 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6275 typ = MatrixType::Full; |
|
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untabify liboctave C++ sources
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diff
changeset
|
6276 } |
|
07ebe522dac2
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10158
diff
changeset
|
6277 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6278 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6279 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6280 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6281 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6282 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6283 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6284 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6285 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6286 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6287 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6288 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6289 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6290 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6291 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6292 ("SparseMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6293 rcond); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
6294 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6295 return retval; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6296 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6297 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6298 cholmod_dense *X; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
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changeset
|
6299 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6300 X = CHOLMOD_NAME(solve) (CHOLMOD_A, L, B, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
6301 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6302 |
|
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
|
6303 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>
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14844
diff
changeset
|
6304 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
|
6305 { |
|
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
|
6306 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
|
6307 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
|
6308 retval.xelem (i,j) = static_cast<Complex *>(X->x)[jr + i]; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6309 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6310 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6311 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6312 CHOLMOD_NAME(free_dense) (&X, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6313 CHOLMOD_NAME(free_factor) (&L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6314 CHOLMOD_NAME(finish) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6315 static char tmp[] = " "; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6316 CHOLMOD_NAME(print_common) (tmp, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6317 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6318 } |
| 5506 | 6319 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6320 (*current_liboctave_warning_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6321 ("CHOLMOD not installed"); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6322 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6323 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6324 typ = MatrixType::Full; |
| 5506 | 6325 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6326 } |
| 5164 | 6327 |
| 5785 | 6328 if (typ == MatrixType::Full) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6329 { |
| 5203 | 6330 #ifdef HAVE_UMFPACK |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6331 Matrix Control, Info; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6332 void *Numeric = factorize (err, rcond, Control, Info, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6333 sing_handler, calc_cond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6334 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6335 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6336 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6337 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6338 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6339 int status = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6340 double *control = Control.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6341 double *info = Info.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6342 const octave_idx_type *Ap = cidx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6343 const octave_idx_type *Ai = ridx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6344 const Complex *Ax = data (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6345 const Complex *Bx = b.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6346 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6347 retval.resize (b_nr, b_nc); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6348 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
|
6349 |
|
10314
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diff
changeset
|
6350 for (octave_idx_type j = 0, iidx = 0; j < b_nc; j++, iidx += b_nr) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6351 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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11574
diff
changeset
|
6352 status = |
|
12df7854fa7c
strip trailing whitespace from source files
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11574
diff
changeset
|
6353 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
|
6354 reinterpret_cast<const double *> (Ax), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
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17744
diff
changeset
|
6355 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6356 reinterpret_cast<double *> (&Xx[iidx]), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6357 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6358 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
|
6359 0, Numeric, control, info); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
changeset
|
6360 |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6361 if (status < 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6362 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6363 (*current_liboctave_error_handler) |
|
10314
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untabify liboctave C++ sources
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diff
changeset
|
6364 ("SparseComplexMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6365 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6366 UMFPACK_ZNAME (report_status) (control, status); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
6367 |
|
10314
07ebe522dac2
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diff
changeset
|
6368 err = -1; |
|
07ebe522dac2
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10158
diff
changeset
|
6369 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6370 break; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6371 } |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6372 } |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6373 |
|
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
6374 UMFPACK_ZNAME (report_info) (control, info); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6375 |
|
07ebe522dac2
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10158
diff
changeset
|
6376 UMFPACK_ZNAME (free_numeric) (&Numeric); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6377 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6378 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6379 mattype.mark_as_rectangular (); |
| 5681 | 6380 |
| 5203 | 6381 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6382 (*current_liboctave_error_handler) ("UMFPACK not installed"); |
| 5203 | 6383 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6384 } |
| 5785 | 6385 else if (typ != MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6386 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 6387 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6388 |
| 5164 | 6389 return retval; |
| 6390 } | |
| 6391 | |
| 6392 SparseComplexMatrix | |
| 5785 | 6393 SparseComplexMatrix::fsolve (MatrixType &mattype, const SparseComplexMatrix& b, |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6394 octave_idx_type& err, double& rcond, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6395 solve_singularity_handler sing_handler, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6396 bool calc_cond) const |
| 5164 | 6397 { |
| 6398 SparseComplexMatrix retval; | |
| 6399 | |
| 5275 | 6400 octave_idx_type nr = rows (); |
| 6401 octave_idx_type nc = cols (); | |
| 5164 | 6402 err = 0; |
| 6403 | |
| 6924 | 6404 if (nr != nc || nr != b.rows ()) |
| 5164 | 6405 (*current_liboctave_error_handler) |
| 6406 ("matrix dimension mismatch solution of linear equations"); | |
| 6924 | 6407 else if (nr == 0 || b.cols () == 0) |
| 6408 retval = SparseComplexMatrix (nc, b.cols ()); | |
| 5164 | 6409 else |
| 6410 { | |
| 6411 // Print spparms("spumoni") info if requested | |
| 5506 | 6412 volatile int typ = mattype.type (); |
| 5164 | 6413 mattype.info (); |
| 6414 | |
| 5785 | 6415 if (typ == MatrixType::Hermitian) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6416 { |
| 5506 | 6417 #ifdef HAVE_CHOLMOD |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6418 cholmod_common Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6419 cholmod_common *cm = &Common; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6420 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6421 // Setup initial parameters |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6422 CHOLMOD_NAME(start) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6423 cm->prefer_zomplex = false; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6424 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6425 double spu = octave_sparse_params::get_key ("spumoni"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6426 if (spu == 0.) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6427 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6428 cm->print = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6429 cm->print_function = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6430 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6431 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6432 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6433 cm->print = static_cast<int> (spu) + 2; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6434 cm->print_function =&SparseCholPrint; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6435 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6436 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6437 cm->error_handler = &SparseCholError; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6438 cm->complex_divide = CHOLMOD_NAME(divcomplex); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6439 cm->hypotenuse = CHOLMOD_NAME(hypot); |
|
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 cm->final_ll = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6442 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6443 cholmod_sparse Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6444 cholmod_sparse *A = &Astore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6445 double dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6446 A->nrow = nr; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6447 A->ncol = nc; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6448 |
|
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
|
6449 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
|
6450 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
|
6451 A->nzmax = nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6452 A->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6453 A->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6454 A->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6455 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6456 A->itype = CHOLMOD_LONG; |
| 5506 | 6457 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6458 A->itype = CHOLMOD_INT; |
| 5506 | 6459 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6460 A->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6461 A->stype = 1; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6462 A->xtype = CHOLMOD_COMPLEX; |
|
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 if (nr < 1) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6465 A->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6466 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
|
6467 A->x = data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6468 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6469 cholmod_sparse Bstore; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6470 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
|
6471 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
|
6472 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
|
6473 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
|
6474 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
|
6475 B->nzmax = b.nnz (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6476 B->packed = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6477 B->sorted = true; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6478 B->nz = 0; |
|
16313
6aafe87a3144
use int64_t for idx type if --enable-64
John W. Eaton <jwe@octave.org>
parents:
15271
diff
changeset
|
6479 #ifdef USE_64_BIT_IDX_T |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6480 B->itype = CHOLMOD_LONG; |
| 5506 | 6481 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6482 B->itype = CHOLMOD_INT; |
| 5506 | 6483 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6484 B->dtype = CHOLMOD_DOUBLE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6485 B->stype = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6486 B->xtype = CHOLMOD_COMPLEX; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6487 |
|
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
|
6488 if (b.rows () < 1 || b.cols () < 1) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6489 B->x = &dummy; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6490 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
|
6491 B->x = b.data (); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6492 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6493 cholmod_factor *L; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6494 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6495 L = CHOLMOD_NAME(analyze) (A, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6496 CHOLMOD_NAME(factorize) (A, L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
6497 if (calc_cond) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6498 rcond = CHOLMOD_NAME(rcond)(L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6499 else |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6500 rcond = 1.; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6501 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6502 |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6503 if (rcond == 0.0) |
|
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10158
diff
changeset
|
6504 { |
|
07ebe522dac2
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diff
changeset
|
6505 // Either its indefinite or singular. Try UMFPACK |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6506 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6507 typ = MatrixType::Full; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6508 } |
|
07ebe522dac2
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parents:
10158
diff
changeset
|
6509 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6510 { |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6511 volatile double rcond_plus_one = rcond + 1.0; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6512 |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6513 if (rcond_plus_one == 1.0 || xisnan (rcond)) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6514 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6515 err = -2; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6516 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6517 if (sing_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6518 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6519 sing_handler (rcond); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6520 mattype.mark_as_rectangular (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6521 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6522 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6523 (*current_liboctave_error_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6524 ("SparseMatrix::solve matrix singular to machine precision, rcond = %g", |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6525 rcond); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6526 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6527 return retval; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6528 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6529 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6530 cholmod_sparse *X; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6531 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6532 X = CHOLMOD_NAME(spsolve) (CHOLMOD_A, L, B, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6533 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6534 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6535 retval = SparseComplexMatrix |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6536 (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
|
6537 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
|
6538 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
|
6539 for (octave_idx_type j = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6540 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
|
6541 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
|
6542 for (octave_idx_type j = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6543 j < static_cast<octave_idx_type>(X->nzmax); j++) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6544 { |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6545 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
|
6546 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
|
6547 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6548 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6549 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6550 CHOLMOD_NAME(free_sparse) (&X, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6551 CHOLMOD_NAME(free_factor) (&L, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6552 CHOLMOD_NAME(finish) (cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6553 static char tmp[] = " "; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6554 CHOLMOD_NAME(print_common) (tmp, cm); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6555 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6556 } |
| 5506 | 6557 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6558 (*current_liboctave_warning_handler) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6559 ("CHOLMOD not installed"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6560 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6561 mattype.mark_as_unsymmetric (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6562 typ = MatrixType::Full; |
| 5506 | 6563 #endif |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6564 } |
| 5164 | 6565 |
| 5785 | 6566 if (typ == MatrixType::Full) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6567 { |
| 5203 | 6568 #ifdef HAVE_UMFPACK |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6569 Matrix Control, Info; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6570 void *Numeric = factorize (err, rcond, Control, Info, |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6571 sing_handler, calc_cond); |
|
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 if (err == 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6574 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6575 octave_idx_type b_nr = b.rows (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6576 octave_idx_type b_nc = b.cols (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6577 int status = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6578 double *control = Control.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6579 double *info = Info.fortran_vec (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6580 const octave_idx_type *Ap = cidx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6581 const octave_idx_type *Ai = ridx (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6582 const Complex *Ax = data (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6583 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6584 OCTAVE_LOCAL_BUFFER (Complex, Bx, b_nr); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6585 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6586 // Take a first guess that the number of non-zero terms |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6587 // will be as many as in b |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6588 octave_idx_type x_nz = b.nnz (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6589 octave_idx_type ii = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6590 retval = SparseComplexMatrix (b_nr, b_nc, x_nz); |
|
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 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
|
6593 |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6594 retval.xcidx (0) = 0; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6595 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
|
6596 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6597 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
|
6598 Bx[i] = b(i,j); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6599 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6600 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
|
6601 Ai, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6602 reinterpret_cast<const double *> (Ax), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6603 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6604 reinterpret_cast<double *> (Xx), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6605 0, |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6606 reinterpret_cast<double *> (Bx), |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6607 0, Numeric, control, info); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6608 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6609 if (status < 0) |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6610 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6611 (*current_liboctave_error_handler) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
6612 ("SparseComplexMatrix::solve solve failed"); |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6613 |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6614 UMFPACK_ZNAME (report_status) (control, status); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
6615 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6616 err = -1; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6617 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6618 break; |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6619 } |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6620 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6621 for (octave_idx_type i = 0; i < b_nr; i++) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6622 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6623 Complex tmp = Xx[i]; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6624 if (tmp != 0.0) |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6625 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6626 if (ii == x_nz) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
6627 { |
|
07ebe522dac2
untabify liboctave C++ sources
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parents:
10158
diff
changeset
|
6628 // Resize the sparse matrix |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6629 octave_idx_type sz = x_nz * (b_nc - j) / b_nc; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6630 sz = (sz > 10 ? sz : 10) + x_nz; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6631 retval.change_capacity (sz); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10158
diff
changeset
|
6632 x_nz = sz; |
|
07ebe522dac2
untabify liboctave C++ sources
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10158
diff
changeset
|
6633 } |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
6634 retval.xdata (ii) = tmp; |
|
3d8ace26c5b4
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6635 retval.xridx (ii++) = i; |
|
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6636 } |
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|
6637 } |
|
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6638 retval.xcidx (j+1) = ii; |
|
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|
6639 } |
|
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|
6640 |
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|
6641 retval.maybe_compress (); |
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6642 |
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6643 rcond = Info (UMFPACK_RCOND); |
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6644 volatile double rcond_plus_one = rcond + 1.0; |
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6645 |
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6646 if (status == UMFPACK_WARNING_singular_matrix || |
|
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6647 rcond_plus_one == 1.0 || xisnan (rcond)) |
|
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6648 { |
|
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6649 err = -2; |
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|
6650 |
|
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|
6651 if (sing_handler) |
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|
6652 sing_handler (rcond); |
|
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|
6653 else |
|
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|
6654 (*current_liboctave_error_handler) |
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|
6655 ("SparseComplexMatrix::solve matrix singular to machine precision, rcond = %g", |
|
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|
6656 rcond); |
|
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|
6657 |
|
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|
6658 } |
|
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|
6659 |
|
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|
6660 UMFPACK_ZNAME (report_info) (control, info); |
|
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|
6661 |
|
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|
6662 UMFPACK_ZNAME (free_numeric) (&Numeric); |
|
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|
6663 } |
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|
6664 else |
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|
6665 mattype.mark_as_rectangular (); |
| 5681 | 6666 |
| 5203 | 6667 #else |
|
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|
6668 (*current_liboctave_error_handler) ("UMFPACK not installed"); |
| 5203 | 6669 #endif |
|
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|
6670 } |
| 5785 | 6671 else if (typ != MatrixType::Hermitian) |
|
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|
6672 (*current_liboctave_error_handler) ("incorrect matrix type"); |
| 5164 | 6673 } |
|
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6674 |
| 5164 | 6675 return retval; |
| 6676 } | |
| 6677 | |
| 6678 ComplexMatrix | |
| 5785 | 6679 SparseComplexMatrix::solve (MatrixType &mattype, const Matrix& b) const |
| 5164 | 6680 { |
| 5275 | 6681 octave_idx_type info; |
| 5164 | 6682 double rcond; |
| 6683 return solve (mattype, b, info, rcond, 0); | |
| 6684 } | |
| 6685 | |
| 6686 ComplexMatrix | |
|
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|
6687 SparseComplexMatrix::solve (MatrixType &mattype, const Matrix& b, |
|
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|
6688 octave_idx_type& info) const |
| 5164 | 6689 { |
| 6690 double rcond; | |
| 6691 return solve (mattype, b, info, rcond, 0); | |
| 6692 } | |
| 6693 | |
| 6694 ComplexMatrix | |
| 5785 | 6695 SparseComplexMatrix::solve (MatrixType &mattype, const Matrix& b, |
|
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|
6696 octave_idx_type& info, double& rcond) const |
| 5164 | 6697 { |
| 6698 return solve (mattype, b, info, rcond, 0); | |
| 6699 } | |
| 6700 | |
| 6701 ComplexMatrix | |
| 5785 | 6702 SparseComplexMatrix::solve (MatrixType &mattype, const Matrix& b, |
|
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|
6703 octave_idx_type& err, double& rcond, |
|
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|
6704 solve_singularity_handler sing_handler, |
|
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|
6705 bool singular_fallback) const |
| 5164 | 6706 { |
| 5681 | 6707 ComplexMatrix retval; |
| 5322 | 6708 int typ = mattype.type (false); |
| 5164 | 6709 |
| 5785 | 6710 if (typ == MatrixType::Unknown) |
| 5164 | 6711 typ = mattype.type (*this); |
| 6712 | |
| 5785 | 6713 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5681 | 6714 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6715 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
| 5681 | 6716 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6717 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
| 5681 | 6718 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6719 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
| 5681 | 6720 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
|
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|
6721 else if (typ == MatrixType::Tridiagonal || |
|
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|
6722 typ == MatrixType::Tridiagonal_Hermitian) |
| 5681 | 6723 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6724 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
| 5681 | 6725 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
| 5785 | 6726 else if (typ != MatrixType::Rectangular) |
| 5164 | 6727 { |
| 5681 | 6728 (*current_liboctave_error_handler) ("unknown matrix type"); |
| 5164 | 6729 return ComplexMatrix (); |
| 6730 } | |
| 5681 | 6731 |
|
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|
6732 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
| 5681 | 6733 { |
| 6734 rcond = 1.; | |
| 6735 #ifdef USE_QRSOLVE | |
| 6736 retval = qrsolve (*this, b, err); | |
| 6737 #else | |
|
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|
6738 retval = dmsolve<ComplexMatrix, SparseComplexMatrix, Matrix> |
|
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|
6739 (*this, b, err); |
| 5681 | 6740 #endif |
| 6741 } | |
| 6742 | |
| 6743 return retval; | |
| 5164 | 6744 } |
| 6745 | |
| 6746 SparseComplexMatrix | |
| 5785 | 6747 SparseComplexMatrix::solve (MatrixType &mattype, const SparseMatrix& b) const |
| 5164 | 6748 { |
| 5275 | 6749 octave_idx_type info; |
| 5164 | 6750 double rcond; |
| 6751 return solve (mattype, b, info, rcond, 0); | |
| 6752 } | |
| 6753 | |
| 6754 SparseComplexMatrix | |
|
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|
6755 SparseComplexMatrix::solve (MatrixType &mattype, const SparseMatrix& b, |
|
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|
6756 octave_idx_type& info) const |
| 5164 | 6757 { |
| 6758 double rcond; | |
| 6759 return solve (mattype, b, info, rcond, 0); | |
| 6760 } | |
| 6761 | |
| 6762 SparseComplexMatrix | |
| 5785 | 6763 SparseComplexMatrix::solve (MatrixType &mattype, const SparseMatrix& b, |
|
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|
6764 octave_idx_type& info, double& rcond) const |
| 5164 | 6765 { |
| 6766 return solve (mattype, b, info, rcond, 0); | |
| 6767 } | |
| 6768 | |
| 6769 SparseComplexMatrix | |
|
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|
6770 SparseComplexMatrix::solve (MatrixType &mattype, const SparseMatrix& b, |
|
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|
6771 octave_idx_type& err, double& rcond, |
|
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|
6772 solve_singularity_handler sing_handler, |
|
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|
6773 bool singular_fallback) const |
| 5164 | 6774 { |
| 5681 | 6775 SparseComplexMatrix retval; |
| 5322 | 6776 int typ = mattype.type (false); |
| 5164 | 6777 |
| 5785 | 6778 if (typ == MatrixType::Unknown) |
| 5164 | 6779 typ = mattype.type (*this); |
| 6780 | |
| 5785 | 6781 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5681 | 6782 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6783 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
| 5681 | 6784 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6785 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
| 5681 | 6786 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6787 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
| 5681 | 6788 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
|
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|
6789 else if (typ == MatrixType::Tridiagonal || |
|
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|
6790 typ == MatrixType::Tridiagonal_Hermitian) |
| 5681 | 6791 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6792 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
| 5681 | 6793 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
| 5785 | 6794 else if (typ != MatrixType::Rectangular) |
| 5164 | 6795 { |
| 5681 | 6796 (*current_liboctave_error_handler) ("unknown matrix type"); |
| 5164 | 6797 return SparseComplexMatrix (); |
| 6798 } | |
| 5681 | 6799 |
|
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|
6800 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
| 5681 | 6801 { |
| 6802 rcond = 1.; | |
| 6803 #ifdef USE_QRSOLVE | |
| 6804 retval = qrsolve (*this, b, err); | |
| 6805 #else | |
|
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|
6806 retval = dmsolve<SparseComplexMatrix, SparseComplexMatrix, SparseMatrix> |
|
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|
6807 (*this, b, err); |
| 5681 | 6808 #endif |
| 6809 } | |
| 6810 | |
| 6811 return retval; | |
| 5164 | 6812 } |
| 6813 | |
| 6814 ComplexMatrix | |
| 5785 | 6815 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexMatrix& b) const |
| 5164 | 6816 { |
| 5275 | 6817 octave_idx_type info; |
| 5164 | 6818 double rcond; |
| 6819 return solve (mattype, b, info, rcond, 0); | |
| 6820 } | |
| 6821 | |
| 6822 ComplexMatrix | |
|
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|
6823 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexMatrix& b, |
|
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|
6824 octave_idx_type& info) const |
| 5164 | 6825 { |
| 6826 double rcond; | |
| 6827 return solve (mattype, b, info, rcond, 0); | |
| 6828 } | |
| 6829 | |
| 6830 ComplexMatrix | |
|
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|
6831 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexMatrix& b, |
|
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|
6832 octave_idx_type& info, double& rcond) const |
| 5164 | 6833 { |
| 6834 return solve (mattype, b, info, rcond, 0); | |
| 6835 } | |
| 6836 | |
| 6837 ComplexMatrix | |
|
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6838 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexMatrix& b, |
|
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|
6839 octave_idx_type& err, double& rcond, |
|
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|
6840 solve_singularity_handler sing_handler, |
|
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|
6841 bool singular_fallback) const |
| 5164 | 6842 { |
| 5681 | 6843 ComplexMatrix retval; |
| 5322 | 6844 int typ = mattype.type (false); |
| 5164 | 6845 |
| 5785 | 6846 if (typ == MatrixType::Unknown) |
| 5164 | 6847 typ = mattype.type (*this); |
| 6848 | |
| 5785 | 6849 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5681 | 6850 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6851 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
| 5681 | 6852 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6853 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
| 5681 | 6854 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6855 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
| 5681 | 6856 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
|
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|
6857 else if (typ == MatrixType::Tridiagonal || |
|
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|
6858 typ == MatrixType::Tridiagonal_Hermitian) |
| 5681 | 6859 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6860 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
| 5681 | 6861 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
| 5785 | 6862 else if (typ != MatrixType::Rectangular) |
| 5164 | 6863 { |
| 5681 | 6864 (*current_liboctave_error_handler) ("unknown matrix type"); |
| 5164 | 6865 return ComplexMatrix (); |
| 6866 } | |
| 5681 | 6867 |
|
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|
6868 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
| 5681 | 6869 { |
| 6870 rcond = 1.; | |
| 6871 #ifdef USE_QRSOLVE | |
| 6872 retval = qrsolve (*this, b, err); | |
| 6873 #else | |
|
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|
6874 retval = dmsolve<ComplexMatrix, SparseComplexMatrix, ComplexMatrix> |
|
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|
6875 (*this, b, err); |
| 5681 | 6876 #endif |
| 6877 } | |
| 6878 | |
| 6879 return retval; | |
| 5164 | 6880 } |
| 6881 | |
| 6882 SparseComplexMatrix | |
|
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6883 SparseComplexMatrix::solve (MatrixType &mattype, |
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6884 const SparseComplexMatrix& b) const |
| 5164 | 6885 { |
| 5275 | 6886 octave_idx_type info; |
| 5164 | 6887 double rcond; |
| 6888 return solve (mattype, b, info, rcond, 0); | |
| 6889 } | |
| 6890 | |
| 6891 SparseComplexMatrix | |
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6892 SparseComplexMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b, |
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6893 octave_idx_type& info) const |
| 5164 | 6894 { |
| 6895 double rcond; | |
| 6896 return solve (mattype, b, info, rcond, 0); | |
| 6897 } | |
| 6898 | |
| 6899 SparseComplexMatrix | |
| 5785 | 6900 SparseComplexMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b, |
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6901 octave_idx_type& info, double& rcond) const |
| 5164 | 6902 { |
| 6903 return solve (mattype, b, info, rcond, 0); | |
| 6904 } | |
| 6905 | |
| 6906 SparseComplexMatrix | |
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6907 SparseComplexMatrix::solve (MatrixType &mattype, const SparseComplexMatrix& b, |
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6908 octave_idx_type& err, double& rcond, |
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6909 solve_singularity_handler sing_handler, |
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6910 bool singular_fallback) const |
| 5164 | 6911 { |
| 5681 | 6912 SparseComplexMatrix retval; |
| 5322 | 6913 int typ = mattype.type (false); |
| 5164 | 6914 |
| 5785 | 6915 if (typ == MatrixType::Unknown) |
| 5164 | 6916 typ = mattype.type (*this); |
| 6917 | |
| 5785 | 6918 if (typ == MatrixType::Diagonal || typ == MatrixType::Permuted_Diagonal) |
| 5681 | 6919 retval = dsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6920 else if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
| 5681 | 6921 retval = utsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6922 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
| 5681 | 6923 retval = ltsolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6924 else if (typ == MatrixType::Banded || typ == MatrixType::Banded_Hermitian) |
| 5681 | 6925 retval = bsolve (mattype, b, err, rcond, sing_handler, false); |
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6926 else if (typ == MatrixType::Tridiagonal || |
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6927 typ == MatrixType::Tridiagonal_Hermitian) |
| 5681 | 6928 retval = trisolve (mattype, b, err, rcond, sing_handler, false); |
| 5785 | 6929 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
| 5681 | 6930 retval = fsolve (mattype, b, err, rcond, sing_handler, true); |
| 5785 | 6931 else if (typ != MatrixType::Rectangular) |
| 5164 | 6932 { |
| 5681 | 6933 (*current_liboctave_error_handler) ("unknown matrix type"); |
| 5164 | 6934 return SparseComplexMatrix (); |
| 6935 } | |
| 5681 | 6936 |
|
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6937 if (singular_fallback && mattype.type (false) == MatrixType::Rectangular) |
| 5681 | 6938 { |
| 6939 rcond = 1.; | |
| 6940 #ifdef USE_QRSOLVE | |
| 6941 retval = qrsolve (*this, b, err); | |
| 6942 #else | |
| 6943 retval = dmsolve<SparseComplexMatrix, SparseComplexMatrix, | |
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6944 SparseComplexMatrix> (*this, b, err); |
| 5681 | 6945 #endif |
| 6946 } | |
| 6947 | |
| 6948 return retval; | |
| 5164 | 6949 } |
| 6950 | |
| 6951 ComplexColumnVector | |
| 5785 | 6952 SparseComplexMatrix::solve (MatrixType &mattype, const ColumnVector& b) const |
| 5164 | 6953 { |
| 5275 | 6954 octave_idx_type info; double rcond; |
| 5164 | 6955 return solve (mattype, b, info, rcond); |
| 6956 } | |
| 6957 | |
| 6958 ComplexColumnVector | |
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6959 SparseComplexMatrix::solve (MatrixType &mattype, const ColumnVector& b, |
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6960 octave_idx_type& info) const |
| 5164 | 6961 { |
| 6962 double rcond; | |
| 6963 return solve (mattype, b, info, rcond); | |
| 6964 } | |
| 6965 | |
| 6966 ComplexColumnVector | |
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6967 SparseComplexMatrix::solve (MatrixType &mattype, const ColumnVector& b, |
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6968 octave_idx_type& info, double& rcond) const |
| 5164 | 6969 { |
| 6970 return solve (mattype, b, info, rcond, 0); | |
| 6971 } | |
| 6972 | |
| 6973 ComplexColumnVector | |
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6974 SparseComplexMatrix::solve (MatrixType &mattype, const ColumnVector& b, |
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6975 octave_idx_type& info, double& rcond, |
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6976 solve_singularity_handler sing_handler) const |
| 5164 | 6977 { |
| 6978 Matrix tmp (b); | |
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6979 return solve (mattype, tmp, info, rcond, |
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6980 sing_handler).column (static_cast<octave_idx_type> (0)); |
| 5164 | 6981 } |
| 6982 | |
| 6983 ComplexColumnVector | |
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6984 SparseComplexMatrix::solve (MatrixType &mattype, |
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6985 const ComplexColumnVector& b) const |
| 5164 | 6986 { |
| 5275 | 6987 octave_idx_type info; |
| 5164 | 6988 double rcond; |
| 6989 return solve (mattype, b, info, rcond, 0); | |
| 6990 } | |
| 6991 | |
| 6992 ComplexColumnVector | |
| 5785 | 6993 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b, |
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6994 octave_idx_type& info) const |
| 5164 | 6995 { |
| 6996 double rcond; | |
| 6997 return solve (mattype, b, info, rcond, 0); | |
| 6998 } | |
| 6999 | |
| 7000 ComplexColumnVector | |
| 5785 | 7001 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b, |
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7002 octave_idx_type& info, double& rcond) const |
| 5164 | 7003 { |
| 7004 return solve (mattype, b, info, rcond, 0); | |
| 7005 } | |
| 7006 | |
| 7007 ComplexColumnVector | |
| 5785 | 7008 SparseComplexMatrix::solve (MatrixType &mattype, const ComplexColumnVector& b, |
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7009 octave_idx_type& info, double& rcond, |
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7010 solve_singularity_handler sing_handler) const |
| 5164 | 7011 { |
| 7012 ComplexMatrix tmp (b); | |
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7013 return solve (mattype, tmp, info, rcond, |
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7014 sing_handler).column (static_cast<octave_idx_type> (0)); |
| 5164 | 7015 } |
| 7016 | |
| 7017 ComplexMatrix | |
| 7018 SparseComplexMatrix::solve (const Matrix& b) const | |
| 7019 { | |
| 5275 | 7020 octave_idx_type info; |
| 5164 | 7021 double rcond; |
| 7022 return solve (b, info, rcond, 0); | |
| 7023 } | |
| 7024 | |
| 7025 ComplexMatrix | |
| 5275 | 7026 SparseComplexMatrix::solve (const Matrix& b, octave_idx_type& info) const |
| 5164 | 7027 { |
| 7028 double rcond; | |
| 7029 return solve (b, info, rcond, 0); | |
| 7030 } | |
| 7031 | |
| 7032 ComplexMatrix | |
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7033 SparseComplexMatrix::solve (const Matrix& b, octave_idx_type& info, |
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7034 double& rcond) const |
| 5164 | 7035 { |
| 7036 return solve (b, info, rcond, 0); | |
| 7037 } | |
| 7038 | |
| 7039 ComplexMatrix | |
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7040 SparseComplexMatrix::solve (const Matrix& b, octave_idx_type& err, |
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7041 double& rcond, |
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7042 solve_singularity_handler sing_handler) const |
| 5164 | 7043 { |
| 5785 | 7044 MatrixType mattype (*this); |
| 5164 | 7045 return solve (mattype, b, err, rcond, sing_handler); |
| 7046 } | |
| 7047 | |
| 7048 SparseComplexMatrix | |
| 7049 SparseComplexMatrix::solve (const SparseMatrix& b) const | |
| 7050 { | |
| 5275 | 7051 octave_idx_type info; |
| 5164 | 7052 double rcond; |
| 7053 return solve (b, info, rcond, 0); | |
| 7054 } | |
| 7055 | |
| 7056 SparseComplexMatrix | |
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7057 SparseComplexMatrix::solve (const SparseMatrix& b, |
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7058 octave_idx_type& info) const |
| 5164 | 7059 { |
| 7060 double rcond; | |
| 7061 return solve (b, info, rcond, 0); | |
| 7062 } | |
| 7063 | |
| 7064 SparseComplexMatrix | |
| 7065 SparseComplexMatrix::solve (const SparseMatrix& b, | |
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7066 octave_idx_type& info, double& rcond) const |
| 5164 | 7067 { |
| 7068 return solve (b, info, rcond, 0); | |
| 7069 } | |
| 7070 | |
| 7071 SparseComplexMatrix | |
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7072 SparseComplexMatrix::solve (const SparseMatrix& b, |
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7073 octave_idx_type& err, double& rcond, |
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7074 solve_singularity_handler sing_handler) const |
| 5164 | 7075 { |
| 5785 | 7076 MatrixType mattype (*this); |
| 5164 | 7077 return solve (mattype, b, err, rcond, sing_handler); |
| 7078 } | |
| 7079 | |
| 7080 ComplexMatrix | |
|
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7081 SparseComplexMatrix::solve (const ComplexMatrix& b, |
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7082 octave_idx_type& info) const |
| 5164 | 7083 { |
| 7084 double rcond; | |
| 7085 return solve (b, info, rcond, 0); | |
| 7086 } | |
| 7087 | |
| 7088 ComplexMatrix | |
|
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7089 SparseComplexMatrix::solve (const ComplexMatrix& b, |
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7090 octave_idx_type& info, double& rcond) const |
| 5164 | 7091 { |
| 7092 return solve (b, info, rcond, 0); | |
| 7093 } | |
| 7094 | |
| 7095 ComplexMatrix | |
|
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7096 SparseComplexMatrix::solve (const ComplexMatrix& b, |
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7097 octave_idx_type& err, double& rcond, |
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7098 solve_singularity_handler sing_handler) const |
| 5164 | 7099 { |
| 5785 | 7100 MatrixType mattype (*this); |
| 5164 | 7101 return solve (mattype, b, err, rcond, sing_handler); |
| 7102 } | |
| 7103 | |
| 7104 SparseComplexMatrix | |
| 7105 SparseComplexMatrix::solve (const SparseComplexMatrix& b) const | |
| 7106 { | |
| 5275 | 7107 octave_idx_type info; |
| 5164 | 7108 double rcond; |
| 7109 return solve (b, info, rcond, 0); | |
| 7110 } | |
| 7111 | |
| 7112 SparseComplexMatrix | |
|
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7113 SparseComplexMatrix::solve (const SparseComplexMatrix& b, |
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7114 octave_idx_type& info) const |
| 5164 | 7115 { |
| 7116 double rcond; | |
| 7117 return solve (b, info, rcond, 0); | |
| 7118 } | |
| 7119 | |
| 7120 SparseComplexMatrix | |
| 7121 SparseComplexMatrix::solve (const SparseComplexMatrix& b, | |
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7122 octave_idx_type& info, double& rcond) const |
| 5164 | 7123 { |
| 7124 return solve (b, info, rcond, 0); | |
| 7125 } | |
| 7126 | |
| 7127 SparseComplexMatrix | |
|
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7128 SparseComplexMatrix::solve (const SparseComplexMatrix& b, |
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7129 octave_idx_type& err, double& rcond, |
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7130 solve_singularity_handler sing_handler) const |
| 5164 | 7131 { |
| 5785 | 7132 MatrixType mattype (*this); |
| 5164 | 7133 return solve (mattype, b, err, rcond, sing_handler); |
| 7134 } | |
| 7135 | |
| 7136 ComplexColumnVector | |
| 7137 SparseComplexMatrix::solve (const ColumnVector& b) const | |
| 7138 { | |
| 5275 | 7139 octave_idx_type info; double rcond; |
| 5164 | 7140 return solve (b, info, rcond); |
| 7141 } | |
| 7142 | |
| 7143 ComplexColumnVector | |
| 5275 | 7144 SparseComplexMatrix::solve (const ColumnVector& b, octave_idx_type& info) const |
| 5164 | 7145 { |
| 7146 double rcond; | |
| 7147 return solve (b, info, rcond); | |
| 7148 } | |
| 7149 | |
| 7150 ComplexColumnVector | |
|
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7151 SparseComplexMatrix::solve (const ColumnVector& b, octave_idx_type& info, |
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7152 double& rcond) const |
| 5164 | 7153 { |
| 7154 return solve (b, info, rcond, 0); | |
| 7155 } | |
| 7156 | |
| 7157 ComplexColumnVector | |
|
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7158 SparseComplexMatrix::solve (const ColumnVector& b, octave_idx_type& info, |
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7159 double& rcond, |
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7160 solve_singularity_handler sing_handler) const |
| 5164 | 7161 { |
| 7162 Matrix tmp (b); | |
|
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7163 return solve (tmp, info, rcond, |
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7164 sing_handler).column (static_cast<octave_idx_type> (0)); |
| 5164 | 7165 } |
| 7166 | |
| 7167 ComplexColumnVector | |
| 7168 SparseComplexMatrix::solve (const ComplexColumnVector& b) const | |
| 7169 { | |
| 5275 | 7170 octave_idx_type info; |
| 5164 | 7171 double rcond; |
| 7172 return solve (b, info, rcond, 0); | |
| 7173 } | |
| 7174 | |
| 7175 ComplexColumnVector | |
|
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7176 SparseComplexMatrix::solve (const ComplexColumnVector& b, |
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7177 octave_idx_type& info) const |
| 5164 | 7178 { |
| 7179 double rcond; | |
| 7180 return solve (b, info, rcond, 0); | |
| 7181 } | |
| 7182 | |
| 7183 ComplexColumnVector | |
|
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|
7184 SparseComplexMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info, |
|
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|
7185 double& rcond) const |
| 5164 | 7186 { |
| 7187 return solve (b, info, rcond, 0); | |
| 7188 } | |
| 7189 | |
| 7190 ComplexColumnVector | |
|
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|
7191 SparseComplexMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info, |
|
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|
7192 double& rcond, |
|
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untabify liboctave C++ sources
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|
7193 solve_singularity_handler sing_handler) const |
| 5164 | 7194 { |
| 7195 ComplexMatrix tmp (b); | |
|
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|
7196 return solve (tmp, info, rcond, |
|
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|
7197 sing_handler).column (static_cast<octave_idx_type> (0)); |
| 5164 | 7198 } |
| 7199 | |
| 7200 // unary operations | |
| 7201 SparseBoolMatrix | |
| 7202 SparseComplexMatrix::operator ! (void) const | |
| 7203 { | |
|
11130
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consistently give error for operator not applied to NaN values
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|
7204 if (any_element_is_nan ()) |
|
7c573eb981eb
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|
7205 gripe_nan_to_logical_conversion (); |
|
7c573eb981eb
consistently give error for operator not applied to NaN values
John W. Eaton <jwe@octave.org>
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|
7206 |
| 5275 | 7207 octave_idx_type nr = rows (); |
| 7208 octave_idx_type nc = cols (); | |
| 5681 | 7209 octave_idx_type nz1 = nnz (); |
| 5275 | 7210 octave_idx_type nz2 = nr*nc - nz1; |
|
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|
7211 |
| 5164 | 7212 SparseBoolMatrix r (nr, nc, nz2); |
|
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|
7213 |
| 5275 | 7214 octave_idx_type ii = 0; |
| 7215 octave_idx_type jj = 0; | |
| 5164 | 7216 r.cidx (0) = 0; |
| 5275 | 7217 for (octave_idx_type i = 0; i < nc; i++) |
| 5164 | 7218 { |
| 5275 | 7219 for (octave_idx_type j = 0; j < nr; j++) |
|
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untabify liboctave C++ sources
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|
7220 { |
|
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|
7221 if (jj < cidx (i+1) && ridx (jj) == j) |
|
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|
7222 jj++; |
|
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untabify liboctave C++ sources
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|
7223 else |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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changeset
|
7224 { |
|
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maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
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|
7225 r.data (ii) = true; |
|
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|
7226 r.ridx (ii++) = j; |
|
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|
7227 } |
|
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untabify liboctave C++ sources
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|
7228 } |
| 5164 | 7229 r.cidx (i+1) = ii; |
| 7230 } | |
| 7231 | |
| 7232 return r; | |
| 7233 } | |
| 7234 | |
|
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John W. Eaton <jwe@octave.org>
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|
7235 SparseComplexMatrix |
| 5164 | 7236 SparseComplexMatrix::squeeze (void) const |
|
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|
7237 { |
|
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|
7238 return MSparse<Complex>::squeeze (); |
| 5164 | 7239 } |
| 7240 | |
| 7241 SparseComplexMatrix | |
| 7242 SparseComplexMatrix::reshape (const dim_vector& new_dims) const | |
| 7243 { | |
| 7244 return MSparse<Complex>::reshape (new_dims); | |
| 7245 } | |
| 7246 | |
| 7247 SparseComplexMatrix | |
| 5275 | 7248 SparseComplexMatrix::permute (const Array<octave_idx_type>& vec, bool inv) const |
| 5164 | 7249 { |
| 7250 return MSparse<Complex>::permute (vec, inv); | |
| 7251 } | |
| 7252 | |
| 7253 SparseComplexMatrix | |
| 5275 | 7254 SparseComplexMatrix::ipermute (const Array<octave_idx_type>& vec) const |
| 5164 | 7255 { |
| 7256 return MSparse<Complex>::ipermute (vec); | |
| 7257 } | |
| 7258 | |
| 7259 // other operations | |
| 7260 | |
| 7261 bool | |
|
7922
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error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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|
7262 SparseComplexMatrix::any_element_is_nan (void) const |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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diff
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|
7263 { |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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changeset
|
7264 octave_idx_type nel = nnz (); |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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|
7265 |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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|
7266 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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diff
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|
7267 { |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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changeset
|
7268 Complex val = data (i); |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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changeset
|
7269 if (xisnan (val)) |
|
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untabify liboctave C++ sources
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|
7270 return true; |
|
7922
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error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
7271 } |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
7272 |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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7802
diff
changeset
|
7273 return false; |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents:
7802
diff
changeset
|
7274 } |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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7802
diff
changeset
|
7275 |
|
935be827eaf8
error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
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7802
diff
changeset
|
7276 bool |
| 5164 | 7277 SparseComplexMatrix::any_element_is_inf_or_nan (void) const |
| 7278 { | |
| 5681 | 7279 octave_idx_type nel = nnz (); |
| 5275 | 7280 |
| 7281 for (octave_idx_type i = 0; i < nel; i++) | |
| 5164 | 7282 { |
| 7283 Complex val = data (i); | |
| 7284 if (xisinf (val) || xisnan (val)) | |
|
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untabify liboctave C++ sources
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changeset
|
7285 return true; |
| 5164 | 7286 } |
| 7287 | |
| 7288 return false; | |
| 7289 } | |
| 7290 | |
| 7291 // Return true if no elements have imaginary components. | |
| 7292 | |
| 7293 bool | |
| 7294 SparseComplexMatrix::all_elements_are_real (void) const | |
| 7295 { | |
|
9825
7483fe200fab
narrow complex values with negative zero imaginary parts
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
7296 return mx_inline_all_real (nnz (), data ()); |
| 5164 | 7297 } |
| 7298 | |
| 7299 // Return nonzero if any element of CM has a non-integer real or | |
| 7300 // imaginary part. Also extract the largest and smallest (real or | |
|
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changeset
|
7301 // imaginary) values and return them in MAX_VAL and MIN_VAL. |
| 5164 | 7302 |
| 7303 bool | |
| 7304 SparseComplexMatrix::all_integers (double& max_val, double& min_val) const | |
| 7305 { | |
| 5681 | 7306 octave_idx_type nel = nnz (); |
| 5164 | 7307 |
| 7308 if (nel == 0) | |
| 7309 return false; | |
| 7310 | |
|
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|
7311 max_val = std::real (data (0)); |
|
3d8ace26c5b4
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changeset
|
7312 min_val = std::real (data (0)); |
| 5164 | 7313 |
| 5275 | 7314 for (octave_idx_type i = 0; i < nel; i++) |
| 5164 | 7315 { |
|
17769
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|
7316 Complex val = data (i); |
|
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|
7317 |
|
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changeset
|
7318 double r_val = std::real (val); |
|
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changeset
|
7319 double i_val = std::imag (val); |
|
49a5a4be04a1
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changeset
|
7320 |
|
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changeset
|
7321 if (r_val > max_val) |
|
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changeset
|
7322 max_val = r_val; |
|
49a5a4be04a1
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17744
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changeset
|
7323 |
|
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Rik <rik@octave.org>
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17744
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changeset
|
7324 if (i_val > max_val) |
|
49a5a4be04a1
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Rik <rik@octave.org>
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changeset
|
7325 max_val = i_val; |
|
49a5a4be04a1
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17744
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changeset
|
7326 |
|
49a5a4be04a1
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changeset
|
7327 if (r_val < min_val) |
|
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7328 min_val = r_val; |
|
49a5a4be04a1
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Rik <rik@octave.org>
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17744
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changeset
|
7329 |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
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17744
diff
changeset
|
7330 if (i_val < min_val) |
|
49a5a4be04a1
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Rik <rik@octave.org>
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17744
diff
changeset
|
7331 min_val = i_val; |
|
49a5a4be04a1
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17744
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changeset
|
7332 |
|
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Rik <rik@octave.org>
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17744
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changeset
|
7333 if (D_NINT (r_val) != r_val || D_NINT (i_val) != i_val) |
|
49a5a4be04a1
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diff
changeset
|
7334 return false; |
| 5164 | 7335 } |
| 7336 | |
| 7337 return true; | |
| 7338 } | |
| 7339 | |
| 7340 bool | |
| 7341 SparseComplexMatrix::too_large_for_float (void) const | |
| 7342 { | |
|
15212
4bbd3bbb8912
reduce code duplication in too_large_for_float array functions
John W. Eaton <jwe@octave.org>
parents:
15018
diff
changeset
|
7343 return test_any (xtoo_large_for_float); |
| 5164 | 7344 } |
| 7345 | |
|
17769
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parents:
17744
diff
changeset
|
7346 // FIXME: Do these really belong here? Maybe they should be in a base class? |
| 5164 | 7347 |
| 7348 SparseBoolMatrix | |
| 7349 SparseComplexMatrix::all (int dim) const | |
| 7350 { | |
| 7351 SPARSE_ALL_OP (dim); | |
| 7352 } | |
| 7353 | |
| 7354 SparseBoolMatrix | |
| 7355 SparseComplexMatrix::any (int dim) const | |
| 7356 { | |
| 7357 SPARSE_ANY_OP (dim); | |
| 7358 } | |
| 7359 | |
| 7360 SparseComplexMatrix | |
| 7361 SparseComplexMatrix::cumprod (int dim) const | |
| 7362 { | |
| 7363 SPARSE_CUMPROD (SparseComplexMatrix, Complex, cumprod); | |
| 7364 } | |
| 7365 | |
| 7366 SparseComplexMatrix | |
| 7367 SparseComplexMatrix::cumsum (int dim) const | |
| 7368 { | |
| 7369 SPARSE_CUMSUM (SparseComplexMatrix, Complex, cumsum); | |
| 7370 } | |
| 7371 | |
| 7372 SparseComplexMatrix | |
| 7373 SparseComplexMatrix::prod (int dim) const | |
| 7374 { | |
|
14846
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Rik <octave@nomad.inbox5.com>
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changeset
|
7375 if ((rows () == 1 && dim == -1) || dim == 1) |
|
460a3c6d8bf1
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Rik <octave@nomad.inbox5.com>
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|
7376 return transpose (). prod (0). transpose (); |
| 7269 | 7377 else |
| 7378 { | |
|
11586
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strip trailing whitespace from source files
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|
7379 SPARSE_REDUCTION_OP (SparseComplexMatrix, Complex, *=, |
|
15018
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Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7380 (cidx (j+1) - cidx (j) < nr ? 0.0 : 1.0), 1.0); |
| 7269 | 7381 } |
| 5164 | 7382 } |
| 7383 | |
| 7384 SparseComplexMatrix | |
| 7385 SparseComplexMatrix::sum (int dim) const | |
| 7386 { | |
| 7387 SPARSE_REDUCTION_OP (SparseComplexMatrix, Complex, +=, 0.0, 0.0); | |
| 7388 } | |
| 7389 | |
| 7390 SparseComplexMatrix | |
| 7391 SparseComplexMatrix::sumsq (int dim) const | |
| 7392 { | |
| 7393 #define ROW_EXPR \ | |
| 7269 | 7394 Complex d = data (i); \ |
|
15018
3d8ace26c5b4
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Rik <rik@octave.org>
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14846
diff
changeset
|
7395 tmp[ridx (i)] += d * conj (d) |
| 5164 | 7396 |
| 7397 #define COL_EXPR \ | |
| 7269 | 7398 Complex d = data (i); \ |
|
15018
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|
7399 tmp[j] += d * conj (d) |
| 5164 | 7400 |
|
11586
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|
7401 SPARSE_BASE_REDUCTION_OP (SparseComplexMatrix, Complex, ROW_EXPR, |
|
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untabify liboctave C++ sources
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changeset
|
7402 COL_EXPR, 0.0, 0.0); |
| 5164 | 7403 |
| 7404 #undef ROW_EXPR | |
| 7405 #undef COL_EXPR | |
| 7406 } | |
| 7407 | |
| 7408 SparseMatrix SparseComplexMatrix::abs (void) const | |
| 7409 { | |
| 5681 | 7410 octave_idx_type nz = nnz (); |
| 5275 | 7411 octave_idx_type nc = cols (); |
| 5164 | 7412 |
|
14846
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|
7413 SparseMatrix retval (rows (), nc, nz); |
| 5164 | 7414 |
| 5275 | 7415 for (octave_idx_type i = 0; i < nc + 1; i++) |
| 5164 | 7416 retval.cidx (i) = cidx (i); |
| 7417 | |
| 5275 | 7418 for (octave_idx_type i = 0; i < nz; i++) |
| 5164 | 7419 { |
| 5261 | 7420 retval.data (i) = std::abs (data (i)); |
| 5164 | 7421 retval.ridx (i) = ridx (i); |
| 7422 } | |
| 7423 | |
| 7424 return retval; | |
| 7425 } | |
| 7426 | |
| 7427 SparseComplexMatrix | |
| 5275 | 7428 SparseComplexMatrix::diag (octave_idx_type k) const |
| 5164 | 7429 { |
|
7620
36594d5bbe13
Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents:
7602
diff
changeset
|
7430 return MSparse<Complex>::diag (k); |
| 5164 | 7431 } |
| 7432 | |
| 7433 std::ostream& | |
| 7434 operator << (std::ostream& os, const SparseComplexMatrix& a) | |
| 7435 { | |
| 5275 | 7436 octave_idx_type nc = a.cols (); |
| 5164 | 7437 |
|
17769
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changeset
|
7438 // add one to the printed indices to go from |
|
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17744
diff
changeset
|
7439 // zero-based to one-based arrays |
|
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diff
changeset
|
7440 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
|
7441 { |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7442 octave_quit (); |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7443 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
|
7444 { |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7445 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
|
7446 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
|
7447 os << "\n"; |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7448 } |
|
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7449 } |
| 5164 | 7450 |
| 7451 return os; | |
| 7452 } | |
| 7453 | |
| 7454 std::istream& | |
| 7455 operator >> (std::istream& is, SparseComplexMatrix& a) | |
| 7456 { | |
|
9469
c6edba80dfae
sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents:
9417
diff
changeset
|
7457 typedef SparseComplexMatrix::element_type elt_type; |
|
c6edba80dfae
sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents:
9417
diff
changeset
|
7458 |
|
c6edba80dfae
sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents:
9417
diff
changeset
|
7459 return read_sparse_matrix<elt_type> (is, a, octave_read_value<Complex>); |
| 5164 | 7460 } |
| 7461 | |
| 7462 SparseComplexMatrix | |
| 7463 operator * (const SparseComplexMatrix& m, const SparseMatrix& a) | |
| 7464 { | |
| 5681 | 7465 SPARSE_SPARSE_MUL (SparseComplexMatrix, Complex, double); |
| 5164 | 7466 } |
| 7467 | |
| 7468 SparseComplexMatrix | |
| 7469 operator * (const SparseMatrix& m, const SparseComplexMatrix& a) | |
| 7470 { | |
| 5681 | 7471 SPARSE_SPARSE_MUL (SparseComplexMatrix, Complex, Complex); |
| 5164 | 7472 } |
| 7473 | |
| 7474 SparseComplexMatrix | |
| 7475 operator * (const SparseComplexMatrix& m, const SparseComplexMatrix& a) | |
| 7476 { | |
| 5681 | 7477 SPARSE_SPARSE_MUL (SparseComplexMatrix, Complex, Complex); |
| 5164 | 7478 } |
| 7479 | |
| 5429 | 7480 ComplexMatrix |
| 7481 operator * (const ComplexMatrix& m, const SparseMatrix& a) | |
| 7482 { | |
| 5681 | 7483 FULL_SPARSE_MUL (ComplexMatrix, double, Complex (0.,0.)); |
| 5429 | 7484 } |
| 7485 | |
| 7486 ComplexMatrix | |
| 7487 operator * (const Matrix& m, const SparseComplexMatrix& a) | |
| 7488 { | |
| 5681 | 7489 FULL_SPARSE_MUL (ComplexMatrix, Complex, Complex (0.,0.)); |
| 5429 | 7490 } |
| 7491 | |
| 7492 ComplexMatrix | |
| 7493 operator * (const ComplexMatrix& m, const SparseComplexMatrix& a) | |
| 7494 { | |
| 5681 | 7495 FULL_SPARSE_MUL (ComplexMatrix, Complex, Complex (0.,0.)); |
| 5429 | 7496 } |
| 7497 | |
| 7498 ComplexMatrix | |
|
7802
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7499 mul_trans (const ComplexMatrix& m, const SparseComplexMatrix& a) |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7500 { |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7501 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
|
7502 } |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7503 |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7504 ComplexMatrix |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7505 mul_herm (const ComplexMatrix& m, const SparseComplexMatrix& a) |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7506 { |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7507 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
|
7508 } |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7509 |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7510 ComplexMatrix |
| 5429 | 7511 operator * (const SparseComplexMatrix& m, const Matrix& a) |
| 7512 { | |
| 5681 | 7513 SPARSE_FULL_MUL (ComplexMatrix, double, Complex (0.,0.)); |
| 5429 | 7514 } |
| 7515 | |
| 7516 ComplexMatrix | |
| 7517 operator * (const SparseMatrix& m, const ComplexMatrix& a) | |
| 7518 { | |
| 5681 | 7519 SPARSE_FULL_MUL (ComplexMatrix, Complex, Complex (0.,0.)); |
| 5429 | 7520 } |
| 7521 | |
| 7522 ComplexMatrix | |
| 7523 operator * (const SparseComplexMatrix& m, const ComplexMatrix& a) | |
| 7524 { | |
| 5681 | 7525 SPARSE_FULL_MUL (ComplexMatrix, Complex, Complex (0.,0.)); |
| 5429 | 7526 } |
| 7527 | |
|
7802
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7528 ComplexMatrix |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7529 trans_mul (const SparseComplexMatrix& m, const ComplexMatrix& a) |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7530 { |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7531 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
|
7532 } |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7533 |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7534 ComplexMatrix |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7535 herm_mul (const SparseComplexMatrix& m, const ComplexMatrix& a) |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7536 { |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7537 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
|
7538 } |
|
1a446f28ce68
implement optimized sparse-dense transposed multiplication
Jaroslav Hajek <highegg@gmail.com>
parents:
7620
diff
changeset
|
7539 |
|
8964
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7540 // 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
|
7541 SparseComplexMatrix |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7542 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
|
7543 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7544 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
|
7545 } |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7546 SparseComplexMatrix |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7547 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
|
7548 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7549 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
|
7550 } |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7551 |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7552 SparseComplexMatrix |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7553 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
|
7554 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7555 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
|
7556 } |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7557 SparseComplexMatrix |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7558 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
|
7559 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7560 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
|
7561 } |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7562 |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7563 SparseComplexMatrix |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7564 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
|
7565 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7566 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
|
7567 } |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7568 SparseComplexMatrix |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7569 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
|
7570 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7571 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
|
7572 } |
|
f4f4d65faaa0
Implement sparse * diagonal and diagonal * sparse operations, double-prec only.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
7573 |
|
8966
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7574 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7575 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
|
7576 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7577 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
|
7578 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7579 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7580 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
|
7581 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7582 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
|
7583 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7584 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7585 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
|
7586 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7587 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
|
7588 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7589 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7590 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
|
7591 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7592 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
|
7593 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7594 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7595 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
|
7596 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7597 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
|
7598 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7599 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7600 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
|
7601 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7602 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
|
7603 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7604 |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7605 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7606 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
|
7607 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7608 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
|
7609 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7610 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7611 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
|
7612 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7613 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
|
7614 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7615 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7616 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
|
7617 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7618 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
|
7619 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7620 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7621 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
|
7622 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7623 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
|
7624 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7625 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7626 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
|
7627 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7628 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
|
7629 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7630 SparseComplexMatrix |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7631 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
|
7632 { |
|
8967
5bbbf482909a
fix omissions adjusting JR's patches
Jaroslav Hajek <highegg@gmail.com>
parents:
8966
diff
changeset
|
7633 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
|
7634 } |
|
1bba53c0a38d
Implement diag + sparse, diag - sparse, sparse + diag, sparse - diag.
Jason Riedy <jason@acm.org>
parents:
8964
diff
changeset
|
7635 |
|
8968
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7636 // 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
|
7637 |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7638 SparseComplexMatrix |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7639 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
|
7640 { |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7641 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
|
7642 } |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7643 |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7644 SparseComplexMatrix |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7645 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
|
7646 { |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7647 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
|
7648 } |
|
91d53dc37f79
Add perm * sparse, perm \ sparse, sparse * perm, and sparse / perm operations.
Jason Riedy <jason@acm.org>
parents:
8967
diff
changeset
|
7649 |
|
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7650 // FIXME: it would be nice to share code among the min/max functions below. |
| 5164 | 7651 |
| 7652 #define EMPTY_RETURN_CHECK(T) \ | |
| 7653 if (nr == 0 || nc == 0) \ | |
| 7654 return T (nr, nc); | |
| 7655 | |
| 7656 SparseComplexMatrix | |
| 7657 min (const Complex& c, const SparseComplexMatrix& m) | |
| 7658 { | |
| 7659 SparseComplexMatrix result; | |
| 7660 | |
| 5275 | 7661 octave_idx_type nr = m.rows (); |
| 7662 octave_idx_type nc = m.columns (); | |
| 5164 | 7663 |
| 7664 EMPTY_RETURN_CHECK (SparseComplexMatrix); | |
| 7665 | |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7666 if (abs (c) == 0.) |
| 5164 | 7667 return SparseComplexMatrix (nr, nc); |
| 7668 else | |
| 7669 { | |
| 7670 result = SparseComplexMatrix (m); | |
| 7671 | |
| 5275 | 7672 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
|
7673 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
|
7674 result.data (i) = xmin (c, m.data (i)); |
| 5164 | 7675 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7676 |
| 5164 | 7677 return result; |
| 7678 } | |
| 7679 | |
| 7680 SparseComplexMatrix | |
| 7681 min (const SparseComplexMatrix& m, const Complex& c) | |
| 7682 { | |
| 7683 return min (c, m); | |
| 7684 } | |
| 7685 | |
| 7686 SparseComplexMatrix | |
| 7687 min (const SparseComplexMatrix& a, const SparseComplexMatrix& b) | |
| 7688 { | |
| 7689 SparseComplexMatrix r; | |
| 7690 | |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7691 octave_idx_type a_nr = a.rows (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7692 octave_idx_type a_nc = a.cols (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7693 octave_idx_type b_nr = b.rows (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7694 octave_idx_type b_nc = b.cols (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7695 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7696 if (a_nr == b_nr && a_nc == b_nc) |
| 5164 | 7697 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7698 r = SparseComplexMatrix (a_nr, a_nc, (a.nnz () + b.nnz ())); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7699 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7700 octave_idx_type jx = 0; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7701 r.cidx (0) = 0; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7702 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
|
7703 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7704 octave_idx_type ja = a.cidx (i); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7705 octave_idx_type ja_max = a.cidx (i+1); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7706 bool ja_lt_max= ja < ja_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7707 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7708 octave_idx_type jb = b.cidx (i); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7709 octave_idx_type jb_max = b.cidx (i+1); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7710 bool jb_lt_max = jb < jb_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7711 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7712 while (ja_lt_max || jb_lt_max ) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7713 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7714 octave_quit (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7715 if ((! jb_lt_max) || |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7716 (ja_lt_max && (a.ridx (ja) < b.ridx (jb)))) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7717 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7718 Complex tmp = xmin (a.data (ja), 0.); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7719 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7720 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7721 r.ridx (jx) = a.ridx (ja); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7722 r.data (jx) = tmp; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7723 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7724 } |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7725 ja++; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7726 ja_lt_max= ja < ja_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7727 } |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7728 else if (( !ja_lt_max ) || |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7729 (jb_lt_max && (b.ridx (jb) < a.ridx (ja)) ) ) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7730 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7731 Complex tmp = xmin (0., b.data (jb)); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7732 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7733 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7734 r.ridx (jx) = b.ridx (jb); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7735 r.data (jx) = tmp; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7736 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7737 } |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7738 jb++; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7739 jb_lt_max= jb < jb_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7740 } |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7741 else |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7742 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7743 Complex tmp = xmin (a.data (ja), b.data (jb)); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7744 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7745 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7746 r.data (jx) = tmp; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7747 r.ridx (jx) = a.ridx (ja); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7748 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7749 } |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7750 ja++; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7751 ja_lt_max= ja < ja_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7752 jb++; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7753 jb_lt_max= jb < jb_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7754 } |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7755 } |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7756 r.cidx (i+1) = jx; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7757 } |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7758 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7759 r.maybe_compress (); |
| 5164 | 7760 } |
| 7761 else | |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7762 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7763 if (a_nr == 0 || a_nc == 0) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7764 r.resize (a_nr, a_nc); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7765 else if (b_nr == 0 || b_nc == 0) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7766 r.resize (b_nr, b_nc); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7767 else |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7768 gripe_nonconformant ("min", a_nr, a_nc, b_nr, b_nc); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7769 } |
| 5164 | 7770 |
| 7771 return r; | |
| 7772 } | |
| 7773 | |
| 7774 SparseComplexMatrix | |
| 7775 max (const Complex& c, const SparseComplexMatrix& m) | |
| 7776 { | |
| 7777 SparseComplexMatrix result; | |
| 7778 | |
| 5275 | 7779 octave_idx_type nr = m.rows (); |
| 7780 octave_idx_type nc = m.columns (); | |
| 5164 | 7781 |
| 7782 EMPTY_RETURN_CHECK (SparseComplexMatrix); | |
| 7783 | |
| 7784 // Count the number of non-zero elements | |
|
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
7785 if (xmax (c, 0.) != 0.) |
| 5164 | 7786 { |
| 7787 result = SparseComplexMatrix (nr, nc, c); | |
| 5275 | 7788 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
|
7789 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
|
7790 result.xdata (m.ridx (i) + j * nr) = xmax (c, m.data (i)); |
| 5164 | 7791 } |
| 7792 else | |
| 7793 result = SparseComplexMatrix (m); | |
| 7794 | |
| 7795 return result; | |
| 7796 } | |
| 7797 | |
| 7798 SparseComplexMatrix | |
| 7799 max (const SparseComplexMatrix& m, const Complex& c) | |
| 7800 { | |
| 7801 return max (c, m); | |
| 7802 } | |
| 7803 | |
| 7804 SparseComplexMatrix | |
| 7805 max (const SparseComplexMatrix& a, const SparseComplexMatrix& b) | |
| 7806 { | |
| 7807 SparseComplexMatrix r; | |
| 7808 | |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7809 octave_idx_type a_nr = a.rows (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7810 octave_idx_type a_nc = a.cols (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7811 octave_idx_type b_nr = b.rows (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7812 octave_idx_type b_nc = b.cols (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7813 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7814 if (a_nr == b_nr && a_nc == b_nc) |
| 5164 | 7815 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7816 r = SparseComplexMatrix (a_nr, a_nc, (a.nnz () + b.nnz ())); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7817 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7818 octave_idx_type jx = 0; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7819 r.cidx (0) = 0; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7820 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
|
7821 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7822 octave_idx_type ja = a.cidx (i); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7823 octave_idx_type ja_max = a.cidx (i+1); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7824 bool ja_lt_max= ja < ja_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7825 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7826 octave_idx_type jb = b.cidx (i); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7827 octave_idx_type jb_max = b.cidx (i+1); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7828 bool jb_lt_max = jb < jb_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7829 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7830 while (ja_lt_max || jb_lt_max ) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7831 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7832 octave_quit (); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7833 if ((! jb_lt_max) || |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7834 (ja_lt_max && (a.ridx (ja) < b.ridx (jb)))) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7835 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7836 Complex tmp = xmax (a.data (ja), 0.); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7837 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7838 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7839 r.ridx (jx) = a.ridx (ja); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7840 r.data (jx) = tmp; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7841 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7842 } |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7843 ja++; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7844 ja_lt_max= ja < ja_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7845 } |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7846 else if (( !ja_lt_max ) || |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7847 (jb_lt_max && (b.ridx (jb) < a.ridx (ja)) ) ) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7848 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7849 Complex tmp = xmax (0., b.data (jb)); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7850 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7851 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7852 r.ridx (jx) = b.ridx (jb); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7853 r.data (jx) = tmp; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7854 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7855 } |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7856 jb++; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7857 jb_lt_max= jb < jb_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7858 } |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7859 else |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7860 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7861 Complex tmp = xmax (a.data (ja), b.data (jb)); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7862 if (tmp != 0.) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7863 { |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7864 r.data (jx) = tmp; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7865 r.ridx (jx) = a.ridx (ja); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7866 jx++; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7867 } |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7868 ja++; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7869 ja_lt_max= ja < ja_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7870 jb++; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7871 jb_lt_max= jb < jb_max; |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7872 } |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7873 } |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7874 r.cidx (i+1) = jx; |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10158
diff
changeset
|
7875 } |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7876 |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7877 r.maybe_compress (); |
| 5164 | 7878 } |
| 7879 else | |
|
18080
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7880 { |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7881 if (a_nr == 0 || a_nc == 0) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7882 r.resize (a_nr, a_nc); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7883 else if (b_nr == 0 || b_nc == 0) |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7884 r.resize (b_nr, b_nc); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7885 else |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7886 gripe_nonconformant ("max", a_nr, a_nc, b_nr, b_nc); |
|
35464baa7d99
Overhaul max/min implementations for Sparse matrices to fix bug #40743.
Rik <rik@octave.org>
parents:
17812
diff
changeset
|
7887 } |
| 5164 | 7888 |
| 7889 return r; | |
| 7890 } | |
| 7891 | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7892 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
|
7893 0.0, real) |
| 5164 | 7894 SPARSE_SMS_BOOL_OPS (SparseComplexMatrix, Complex, 0.0) |
| 7895 | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7896 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
|
7897 0.0, real) |
| 5164 | 7898 SPARSE_SSM_BOOL_OPS (Complex, SparseComplexMatrix, 0.0) |
| 7899 | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7900 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
|
7901 0.0, real) |
| 5164 | 7902 SPARSE_SMSM_BOOL_OPS (SparseComplexMatrix, SparseComplexMatrix, 0.0) |