Mercurial > octave
annotate liboctave/array/fMatrix.cc @ 21269:3c8a3d35661a
better use of templates for Cholesky factorization
* liboctave/numeric/chol.h, liboctave/numeric/chol.cc: New files
generated from CmplxCHOL.cc, fCmplxCHOL.cc, floatCHOL.cc, CmplxCHOL.h,
dbleCHOL.cc, dbleCHOL.h, fCmplxCHOL.h, and floatCHOL.h and converted
to templates.
* liboctave/numeric/module.mk: Update.
* __qp__.cc, chol.cc, CMatrix.cc, CMatrix.h, dMatrix.cc, dMatrix.h,
fCMatrix.cc, fCMatrix.h, fMatrix.cc, fMatrix.h, eigs-base.cc,
mx-defs.h, mx-ext.h: Use new classes.
author | John W. Eaton <jwe@octave.org> |
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date | Tue, 16 Feb 2016 02:47:29 -0500 |
parents | e69eaee28737 |
children | cbced1c09916 |
rev | line source |
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1 // Matrix manipulations. |
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2 /* |
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3 |
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4 Copyright (C) 1994-2015 John W. Eaton |
11523 | 5 Copyright (C) 2008-2009 Jaroslav Hajek |
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6 Copyright (C) 2009 VZLU Prague, a.s. |
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7 |
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8 This file is part of Octave. |
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9 |
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10 Octave is free software; you can redistribute it and/or modify it |
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11 under the terms of the GNU General Public License as published by the |
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12 Free Software Foundation; either version 3 of the License, or (at your |
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13 option) any later version. |
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14 |
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15 Octave is distributed in the hope that it will be useful, but WITHOUT |
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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18 for more details. |
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19 |
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20 You should have received a copy of the GNU General Public License |
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21 along with Octave; see the file COPYING. If not, see |
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22 <http://www.gnu.org/licenses/>. |
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23 |
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24 */ |
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25 |
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26 #ifdef HAVE_CONFIG_H |
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27 # include <config.h> |
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28 #endif |
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29 |
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30 #include <cfloat> |
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31 |
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32 #include <iostream> |
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33 #include <vector> |
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34 |
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35 #include "fNDArray.h" |
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36 #include "Array-util.h" |
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37 #include "boolMatrix.h" |
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38 #include "chMatrix.h" |
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39 #include "chol.h" |
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40 #include "fMatrix.h" |
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41 #include "fDiagMatrix.h" |
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42 #include "fCMatrix.h" |
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43 #include "fColVector.h" |
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44 #include "fRowVector.h" |
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45 #include "fCColVector.h" |
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46 #include "PermMatrix.h" |
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47 #include "DET.h" |
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48 #include "byte-swap.h" |
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49 #include "f77-fcn.h" |
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50 #include "fMatrix.h" |
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51 #include "schur.h" |
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52 #include "floatSVD.h" |
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53 #include "functor.h" |
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54 #include "lo-error.h" |
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55 #include "lo-ieee.h" |
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56 #include "lo-mappers.h" |
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57 #include "lo-utils.h" |
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58 #include "mx-fdm-fm.h" |
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59 #include "mx-fm-fdm.h" |
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60 #include "mx-inlines.cc" |
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61 #include "mx-op-defs.h" |
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62 #include "oct-cmplx.h" |
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63 #include "oct-fftw.h" |
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64 #include "oct-locbuf.h" |
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65 #include "oct-norm.h" |
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66 #include "quit.h" |
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67 |
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68 // Fortran functions we call. |
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69 |
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70 extern "C" |
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71 { |
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72 F77_RET_T |
11518 | 73 F77_FUNC (xilaenv, XILAENV) (const octave_idx_type&, |
74 F77_CONST_CHAR_ARG_DECL, | |
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75 F77_CONST_CHAR_ARG_DECL, |
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76 const octave_idx_type&, const octave_idx_type&, |
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77 const octave_idx_type&, const octave_idx_type&, |
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78 octave_idx_type& |
11518 | 79 F77_CHAR_ARG_LEN_DECL |
80 F77_CHAR_ARG_LEN_DECL); | |
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81 |
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82 F77_RET_T |
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83 F77_FUNC (sgebal, SGEBAL) (F77_CONST_CHAR_ARG_DECL, |
11518 | 84 const octave_idx_type&, float*, |
85 const octave_idx_type&, octave_idx_type&, | |
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86 octave_idx_type&, float*, octave_idx_type& |
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87 F77_CHAR_ARG_LEN_DECL); |
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88 |
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89 F77_RET_T |
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90 F77_FUNC (sgebak, SGEBAK) (F77_CONST_CHAR_ARG_DECL, |
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91 F77_CONST_CHAR_ARG_DECL, |
11518 | 92 const octave_idx_type&, const octave_idx_type&, |
93 const octave_idx_type&, float*, | |
94 const octave_idx_type&, float*, | |
95 const octave_idx_type&, octave_idx_type& | |
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96 F77_CHAR_ARG_LEN_DECL |
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97 F77_CHAR_ARG_LEN_DECL); |
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98 |
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99 |
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100 F77_RET_T |
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101 F77_FUNC (sgemm, SGEMM) (F77_CONST_CHAR_ARG_DECL, |
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102 F77_CONST_CHAR_ARG_DECL, |
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104 const octave_idx_type&, const float&, const float*, | |
105 const octave_idx_type&, const float*, | |
106 const octave_idx_type&, const float&, float*, | |
107 const octave_idx_type& | |
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108 F77_CHAR_ARG_LEN_DECL |
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109 F77_CHAR_ARG_LEN_DECL); |
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110 |
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111 F77_RET_T |
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112 F77_FUNC (sgemv, SGEMV) (F77_CONST_CHAR_ARG_DECL, |
11518 | 113 const octave_idx_type&, const octave_idx_type&, |
114 const float&, const float*, | |
115 const octave_idx_type&, const float*, | |
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116 const octave_idx_type&, const float&, float*, |
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117 const octave_idx_type& |
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118 F77_CHAR_ARG_LEN_DECL); |
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119 |
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120 F77_RET_T |
11518 | 121 F77_FUNC (xsdot, XSDOT) (const octave_idx_type&, const float*, |
122 const octave_idx_type&, const float*, | |
123 const octave_idx_type&, float&); | |
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124 |
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125 F77_RET_T |
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126 F77_FUNC (ssyrk, SSYRK) (F77_CONST_CHAR_ARG_DECL, |
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127 F77_CONST_CHAR_ARG_DECL, |
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128 const octave_idx_type&, const octave_idx_type&, |
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129 const float&, const float*, const octave_idx_type&, |
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130 const float&, float*, const octave_idx_type& |
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131 F77_CHAR_ARG_LEN_DECL |
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132 F77_CHAR_ARG_LEN_DECL); |
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133 |
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134 F77_RET_T |
11518 | 135 F77_FUNC (sgetrf, SGETRF) (const octave_idx_type&, |
136 const octave_idx_type&, float*, | |
137 const octave_idx_type&, | |
138 octave_idx_type*, octave_idx_type&); | |
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139 |
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140 F77_RET_T |
11518 | 141 F77_FUNC (sgetrs, SGETRS) (F77_CONST_CHAR_ARG_DECL, |
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142 const octave_idx_type&, const octave_idx_type&, |
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143 const float*, const octave_idx_type&, |
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145 const octave_idx_type&, octave_idx_type& | |
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146 F77_CHAR_ARG_LEN_DECL); |
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147 |
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148 F77_RET_T |
11518 | 149 F77_FUNC (sgetri, SGETRI) (const octave_idx_type&, float*, |
150 const octave_idx_type&, const octave_idx_type*, | |
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151 float*, const octave_idx_type&, octave_idx_type&); |
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152 |
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153 F77_RET_T |
11518 | 154 F77_FUNC (sgecon, SGECON) (F77_CONST_CHAR_ARG_DECL, |
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155 const octave_idx_type&, float*, |
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156 const octave_idx_type&, const float&, float&, |
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157 float*, octave_idx_type*, octave_idx_type& |
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158 F77_CHAR_ARG_LEN_DECL); |
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159 |
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160 F77_RET_T |
11518 | 161 F77_FUNC (sgelsy, SGELSY) (const octave_idx_type&, const octave_idx_type&, |
162 const octave_idx_type&, float*, | |
163 const octave_idx_type&, float*, | |
164 const octave_idx_type&, octave_idx_type*, | |
165 float&, octave_idx_type&, float*, | |
166 const octave_idx_type&, octave_idx_type&); | |
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167 |
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168 F77_RET_T |
11518 | 169 F77_FUNC (sgelsd, SGELSD) (const octave_idx_type&, const octave_idx_type&, |
170 const octave_idx_type&, float*, | |
171 const octave_idx_type&, float*, | |
172 const octave_idx_type&, float*, float&, | |
173 octave_idx_type&, float*, | |
174 const octave_idx_type&, octave_idx_type*, | |
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175 octave_idx_type&); |
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176 |
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177 F77_RET_T |
11518 | 178 F77_FUNC (spotrf, SPOTRF) (F77_CONST_CHAR_ARG_DECL, |
179 const octave_idx_type&, float *, | |
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180 const octave_idx_type&, octave_idx_type& |
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181 F77_CHAR_ARG_LEN_DECL); |
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182 |
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183 F77_RET_T |
11518 | 184 F77_FUNC (spocon, SPOCON) (F77_CONST_CHAR_ARG_DECL, |
185 const octave_idx_type&, float*, | |
186 const octave_idx_type&, const float&, | |
187 float&, float*, octave_idx_type*, | |
188 octave_idx_type& | |
189 F77_CHAR_ARG_LEN_DECL); | |
190 F77_RET_T | |
191 F77_FUNC (spotrs, SPOTRS) (F77_CONST_CHAR_ARG_DECL, | |
192 const octave_idx_type&, const octave_idx_type&, | |
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193 const float*, const octave_idx_type&, float*, |
11518 | 194 const octave_idx_type&, octave_idx_type& |
195 F77_CHAR_ARG_LEN_DECL); | |
196 | |
197 F77_RET_T | |
198 F77_FUNC (strtri, STRTRI) (F77_CONST_CHAR_ARG_DECL, | |
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199 F77_CONST_CHAR_ARG_DECL, |
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200 const octave_idx_type&, const float*, |
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201 const octave_idx_type&, octave_idx_type& |
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202 F77_CHAR_ARG_LEN_DECL |
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203 F77_CHAR_ARG_LEN_DECL); |
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204 F77_RET_T |
11518 | 205 F77_FUNC (strcon, STRCON) (F77_CONST_CHAR_ARG_DECL, |
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206 F77_CONST_CHAR_ARG_DECL, |
11518 | 207 F77_CONST_CHAR_ARG_DECL, |
208 const octave_idx_type&, const float*, | |
209 const octave_idx_type&, float&, | |
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210 float*, octave_idx_type*, octave_idx_type& |
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211 F77_CHAR_ARG_LEN_DECL |
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212 F77_CHAR_ARG_LEN_DECL |
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213 F77_CHAR_ARG_LEN_DECL); |
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214 F77_RET_T |
11518 | 215 F77_FUNC (strtrs, STRTRS) (F77_CONST_CHAR_ARG_DECL, |
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216 F77_CONST_CHAR_ARG_DECL, |
11518 | 217 F77_CONST_CHAR_ARG_DECL, |
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218 const octave_idx_type&, |
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219 const octave_idx_type&, const float*, |
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220 const octave_idx_type&, float*, |
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221 const octave_idx_type&, octave_idx_type& |
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222 F77_CHAR_ARG_LEN_DECL |
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223 F77_CHAR_ARG_LEN_DECL |
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224 F77_CHAR_ARG_LEN_DECL); |
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225 |
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226 F77_RET_T |
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227 F77_FUNC (slartg, SLARTG) (const float&, const float&, float&, |
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228 float&, float&); |
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229 |
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230 F77_RET_T |
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231 F77_FUNC (strsyl, STRSYL) (F77_CONST_CHAR_ARG_DECL, |
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232 F77_CONST_CHAR_ARG_DECL, |
11518 | 233 const octave_idx_type&, const octave_idx_type&, |
234 const octave_idx_type&, const float*, | |
235 const octave_idx_type&, const float*, | |
236 const octave_idx_type&, const float*, | |
237 const octave_idx_type&, float&, octave_idx_type& | |
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238 F77_CHAR_ARG_LEN_DECL |
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239 F77_CHAR_ARG_LEN_DECL); |
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240 |
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241 F77_RET_T |
11518 | 242 F77_FUNC (xslange, XSLANGE) (F77_CONST_CHAR_ARG_DECL, |
243 const octave_idx_type&, | |
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244 const octave_idx_type&, const float*, |
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245 const octave_idx_type&, float*, float& |
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246 F77_CHAR_ARG_LEN_DECL); |
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247 } |
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248 |
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249 // Matrix class. |
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250 |
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251 FloatMatrix::FloatMatrix (const FloatRowVector& rv) |
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252 : FloatNDArray (rv) |
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253 { |
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254 } |
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255 |
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256 FloatMatrix::FloatMatrix (const FloatColumnVector& cv) |
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257 : FloatNDArray (cv) |
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258 { |
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259 } |
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260 |
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261 FloatMatrix::FloatMatrix (const FloatDiagMatrix& a) |
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262 : FloatNDArray (a.dims (), 0.0) |
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263 { |
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264 for (octave_idx_type i = 0; i < a.length (); i++) |
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265 elem (i, i) = a.elem (i, i); |
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266 } |
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267 |
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268 FloatMatrix::FloatMatrix (const MDiagArray2<float>& a) |
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269 : FloatNDArray (a.dims (), 0.0) |
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270 { |
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271 for (octave_idx_type i = 0; i < a.length (); i++) |
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272 elem (i, i) = a.elem (i, i); |
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273 } |
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274 |
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275 FloatMatrix::FloatMatrix (const DiagArray2<float>& a) |
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276 : FloatNDArray (a.dims (), 0.0) |
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277 { |
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278 for (octave_idx_type i = 0; i < a.length (); i++) |
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279 elem (i, i) = a.elem (i, i); |
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280 } |
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281 |
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282 FloatMatrix::FloatMatrix (const PermMatrix& a) |
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283 : FloatNDArray (a.dims (), 0.0) |
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284 { |
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285 const Array<octave_idx_type> ia (a.col_perm_vec ()); |
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286 octave_idx_type len = a.rows (); |
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287 for (octave_idx_type i = 0; i < len; i++) |
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288 elem (ia(i), i) = 1.0; |
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289 } |
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290 |
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291 // FIXME: could we use a templated mixed-type copy function here? |
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292 |
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293 FloatMatrix::FloatMatrix (const boolMatrix& a) |
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294 : FloatNDArray (a) |
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295 { |
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296 } |
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297 |
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298 FloatMatrix::FloatMatrix (const charMatrix& a) |
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299 : FloatNDArray (a.dims ()) |
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300 { |
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301 for (octave_idx_type i = 0; i < a.rows (); i++) |
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302 for (octave_idx_type j = 0; j < a.cols (); j++) |
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303 elem (i, j) = static_cast<unsigned char> (a.elem (i, j)); |
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304 } |
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305 |
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306 bool |
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307 FloatMatrix::operator == (const FloatMatrix& a) const |
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308 { |
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309 if (rows () != a.rows () || cols () != a.cols ()) |
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310 return false; |
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311 |
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312 return mx_inline_equal (numel (), data (), a.data ()); |
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313 } |
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314 |
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315 bool |
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316 FloatMatrix::operator != (const FloatMatrix& a) const |
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317 { |
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318 return !(*this == a); |
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319 } |
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320 |
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321 bool |
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322 FloatMatrix::is_symmetric (void) const |
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323 { |
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324 if (is_square () && rows () > 0) |
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325 { |
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326 for (octave_idx_type i = 0; i < rows (); i++) |
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327 for (octave_idx_type j = i+1; j < cols (); j++) |
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328 if (elem (i, j) != elem (j, i)) |
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329 return false; |
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330 |
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331 return true; |
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332 } |
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333 |
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334 return false; |
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335 } |
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336 |
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337 FloatMatrix& |
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338 FloatMatrix::insert (const FloatMatrix& a, |
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339 octave_idx_type r, octave_idx_type c) |
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340 { |
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341 FloatNDArray::insert (a, r, c); |
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342 return *this; |
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343 } |
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344 |
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345 FloatMatrix& |
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346 FloatMatrix::insert (const FloatRowVector& a, |
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347 octave_idx_type r, octave_idx_type c) |
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348 { |
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349 octave_idx_type a_len = a.numel (); |
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350 |
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351 if (r < 0 || r >= rows () || c < 0 || c + a_len > cols ()) |
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352 (*current_liboctave_error_handler) ("range error for insert"); |
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353 |
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354 if (a_len > 0) |
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355 { |
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356 make_unique (); |
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357 |
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358 for (octave_idx_type i = 0; i < a_len; i++) |
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359 xelem (r, c+i) = a.elem (i); |
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360 } |
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361 |
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362 return *this; |
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363 } |
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364 |
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365 FloatMatrix& |
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366 FloatMatrix::insert (const FloatColumnVector& a, |
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367 octave_idx_type r, octave_idx_type c) |
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368 { |
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369 octave_idx_type a_len = a.numel (); |
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370 |
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371 if (r < 0 || r + a_len > rows () || c < 0 || c >= cols ()) |
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372 (*current_liboctave_error_handler) ("range error for insert"); |
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373 |
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374 if (a_len > 0) |
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375 { |
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376 make_unique (); |
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377 |
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378 for (octave_idx_type i = 0; i < a_len; i++) |
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379 xelem (r+i, c) = a.elem (i); |
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380 } |
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381 |
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382 return *this; |
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383 } |
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384 |
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385 FloatMatrix& |
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386 FloatMatrix::insert (const FloatDiagMatrix& a, |
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387 octave_idx_type r, octave_idx_type c) |
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388 { |
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389 octave_idx_type a_nr = a.rows (); |
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390 octave_idx_type a_nc = a.cols (); |
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391 |
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392 if (r < 0 || r + a_nr > rows () || c < 0 || c + a_nc > cols ()) |
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393 (*current_liboctave_error_handler) ("range error for insert"); |
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394 |
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395 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1); |
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396 |
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397 octave_idx_type a_len = a.length (); |
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398 |
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399 if (a_len > 0) |
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400 { |
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401 make_unique (); |
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402 |
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403 for (octave_idx_type i = 0; i < a_len; i++) |
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404 xelem (r+i, c+i) = a.elem (i, i); |
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405 } |
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406 |
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407 return *this; |
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408 } |
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409 |
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410 FloatMatrix& |
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411 FloatMatrix::fill (float val) |
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412 { |
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413 octave_idx_type nr = rows (); |
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414 octave_idx_type nc = cols (); |
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415 |
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416 if (nr > 0 && nc > 0) |
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417 { |
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418 make_unique (); |
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419 |
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420 for (octave_idx_type j = 0; j < nc; j++) |
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421 for (octave_idx_type i = 0; i < nr; i++) |
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422 xelem (i, j) = val; |
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423 } |
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424 |
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425 return *this; |
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426 } |
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427 |
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428 FloatMatrix& |
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429 FloatMatrix::fill (float val, octave_idx_type r1, octave_idx_type c1, |
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430 octave_idx_type r2, octave_idx_type c2) |
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431 { |
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432 octave_idx_type nr = rows (); |
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433 octave_idx_type nc = cols (); |
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434 |
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435 if (r1 < 0 || r2 < 0 || c1 < 0 || c2 < 0 |
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436 || r1 >= nr || r2 >= nr || c1 >= nc || c2 >= nc) |
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437 (*current_liboctave_error_handler) ("range error for fill"); |
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438 |
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439 if (r1 > r2) { std::swap (r1, r2); } |
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440 if (c1 > c2) { std::swap (c1, c2); } |
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changeset
|
441 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
442 if (r2 >= r1 && c2 >= c1) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
443 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
444 make_unique (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
445 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
446 for (octave_idx_type j = c1; j <= c2; j++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
447 for (octave_idx_type i = r1; i <= r2; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
448 xelem (i, j) = val; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
449 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
450 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
451 return *this; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
452 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
453 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
454 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
455 FloatMatrix::append (const FloatMatrix& a) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
456 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
457 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
458 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
459 if (nr != a.rows ()) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
460 (*current_liboctave_error_handler) ("row dimension mismatch for append"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
461 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
462 octave_idx_type nc_insert = nc; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
463 FloatMatrix retval (nr, nc + a.cols ()); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
464 retval.insert (*this, 0, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
465 retval.insert (a, 0, nc_insert); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
466 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
467 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
468 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
469 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
470 FloatMatrix::append (const FloatRowVector& a) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
471 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
472 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
473 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
474 if (nr != 1) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
475 (*current_liboctave_error_handler) ("row dimension mismatch for append"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
476 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
477 octave_idx_type nc_insert = nc; |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
478 FloatMatrix retval (nr, nc + a.numel ()); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
479 retval.insert (*this, 0, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
480 retval.insert (a, 0, nc_insert); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
481 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
482 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
483 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
484 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
485 FloatMatrix::append (const FloatColumnVector& a) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
486 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
487 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
488 octave_idx_type nc = cols (); |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
489 if (nr != a.numel ()) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
490 (*current_liboctave_error_handler) ("row dimension mismatch for append"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
491 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
492 octave_idx_type nc_insert = nc; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
493 FloatMatrix retval (nr, nc + 1); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
494 retval.insert (*this, 0, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
495 retval.insert (a, 0, nc_insert); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
496 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
497 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
498 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
499 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
500 FloatMatrix::append (const FloatDiagMatrix& a) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
501 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
502 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
503 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
504 if (nr != a.rows ()) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
505 (*current_liboctave_error_handler) ("row dimension mismatch for append"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
506 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
507 octave_idx_type nc_insert = nc; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
508 FloatMatrix retval (nr, nc + a.cols ()); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
509 retval.insert (*this, 0, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
510 retval.insert (a, 0, nc_insert); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
511 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
512 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
513 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
514 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
515 FloatMatrix::stack (const FloatMatrix& a) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
516 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
517 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
518 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
519 if (nc != a.cols ()) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
520 (*current_liboctave_error_handler) ("column dimension mismatch for stack"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
521 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
522 octave_idx_type nr_insert = nr; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
523 FloatMatrix retval (nr + a.rows (), nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
524 retval.insert (*this, 0, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
525 retval.insert (a, nr_insert, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
526 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
527 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
528 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
529 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
530 FloatMatrix::stack (const FloatRowVector& a) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
531 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
532 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
533 octave_idx_type nc = cols (); |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
534 if (nc != a.numel ()) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
535 (*current_liboctave_error_handler) ("column dimension mismatch for stack"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
536 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
537 octave_idx_type nr_insert = nr; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
538 FloatMatrix retval (nr + 1, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
539 retval.insert (*this, 0, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
540 retval.insert (a, nr_insert, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
541 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
542 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
543 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
544 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
545 FloatMatrix::stack (const FloatColumnVector& a) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
546 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
547 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
548 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
549 if (nc != 1) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
550 (*current_liboctave_error_handler) ("column dimension mismatch for stack"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
551 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
552 octave_idx_type nr_insert = nr; |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
553 FloatMatrix retval (nr + a.numel (), nc); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
554 retval.insert (*this, 0, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
555 retval.insert (a, nr_insert, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
556 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
557 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
558 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
559 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
560 FloatMatrix::stack (const FloatDiagMatrix& a) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
561 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
562 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
563 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
564 if (nc != a.cols ()) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
565 (*current_liboctave_error_handler) ("column dimension mismatch for stack"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
566 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
567 octave_idx_type nr_insert = nr; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
568 FloatMatrix retval (nr + a.rows (), nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
569 retval.insert (*this, 0, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
570 retval.insert (a, nr_insert, 0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
571 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
572 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
573 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
574 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
575 real (const FloatComplexMatrix& a) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
576 { |
10363
a0728e81ed25
improve diag matrix interface & implementation
Jaroslav Hajek <highegg@gmail.com>
parents:
10362
diff
changeset
|
577 return do_mx_unary_op<float, FloatComplex> (a, mx_inline_real); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
578 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
579 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
580 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
581 imag (const FloatComplexMatrix& a) |
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582 { |
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583 return do_mx_unary_op<float, FloatComplex> (a, mx_inline_imag); |
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584 } |
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585 |
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586 FloatMatrix |
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587 FloatMatrix::extract (octave_idx_type r1, octave_idx_type c1, |
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588 octave_idx_type r2, octave_idx_type c2) const |
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589 { |
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590 if (r1 > r2) { std::swap (r1, r2); } |
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591 if (c1 > c2) { std::swap (c1, c2); } |
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592 |
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593 return index (idx_vector (r1, r2+1), idx_vector (c1, c2+1)); |
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594 } |
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595 |
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596 FloatMatrix |
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597 FloatMatrix::extract_n (octave_idx_type r1, octave_idx_type c1, |
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598 octave_idx_type nr, octave_idx_type nc) const |
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599 { |
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600 return index (idx_vector (r1, r1 + nr), idx_vector (c1, c1 + nc)); |
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601 } |
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602 |
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603 // extract row or column i. |
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|
604 |
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|
605 FloatRowVector |
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606 FloatMatrix::row (octave_idx_type i) const |
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607 { |
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608 return index (idx_vector (i), idx_vector::colon); |
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609 } |
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610 |
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611 FloatColumnVector |
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612 FloatMatrix::column (octave_idx_type i) const |
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613 { |
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614 return index (idx_vector::colon, idx_vector (i)); |
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615 } |
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616 |
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617 FloatMatrix |
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618 FloatMatrix::inverse (void) const |
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619 { |
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620 octave_idx_type info; |
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621 float rcon; |
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622 MatrixType mattype (*this); |
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623 return inverse (mattype, info, rcon, 0, 0); |
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624 } |
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625 |
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626 FloatMatrix |
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627 FloatMatrix::inverse (octave_idx_type& info) const |
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628 { |
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629 float rcon; |
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630 MatrixType mattype (*this); |
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631 return inverse (mattype, info, rcon, 0, 0); |
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632 } |
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633 |
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634 FloatMatrix |
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635 FloatMatrix::inverse (octave_idx_type& info, float& rcon, int force, |
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636 int calc_cond) const |
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637 { |
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638 MatrixType mattype (*this); |
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639 return inverse (mattype, info, rcon, force, calc_cond); |
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640 } |
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641 |
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642 FloatMatrix |
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643 FloatMatrix::inverse (MatrixType& mattype) const |
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644 { |
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645 octave_idx_type info; |
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646 float rcon; |
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647 return inverse (mattype, info, rcon, 0, 0); |
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648 } |
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649 |
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650 FloatMatrix |
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651 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info) const |
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652 { |
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653 float rcon; |
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654 return inverse (mattype, info, rcon, 0, 0); |
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655 } |
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656 |
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|
657 FloatMatrix |
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|
658 FloatMatrix::tinverse (MatrixType &mattype, octave_idx_type& info, float& rcon, |
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659 int force, int calc_cond) const |
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660 { |
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|
661 FloatMatrix retval; |
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|
662 |
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663 octave_idx_type nr = rows (); |
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664 octave_idx_type nc = cols (); |
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665 |
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666 if (nr != nc || nr == 0 || nc == 0) |
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667 (*current_liboctave_error_handler) ("inverse requires square matrix"); |
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668 |
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669 int typ = mattype.type (); |
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670 char uplo = (typ == MatrixType::Lower ? 'L' : 'U'); |
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671 char udiag = 'N'; |
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672 retval = *this; |
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673 float *tmp_data = retval.fortran_vec (); |
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|
674 |
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|
675 F77_XFCN (strtri, STRTRI, (F77_CONST_CHAR_ARG2 (&uplo, 1), |
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676 F77_CONST_CHAR_ARG2 (&udiag, 1), |
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677 nr, tmp_data, nr, info |
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678 F77_CHAR_ARG_LEN (1) |
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679 F77_CHAR_ARG_LEN (1))); |
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|
680 |
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|
681 // Throw-away extra info LAPACK gives so as to not change output. |
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682 rcon = 0.0; |
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683 if (info != 0) |
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684 info = -1; |
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|
685 else if (calc_cond) |
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686 { |
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687 octave_idx_type dtrcon_info = 0; |
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688 char job = '1'; |
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|
689 |
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|
690 OCTAVE_LOCAL_BUFFER (float, work, 3 * nr); |
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691 OCTAVE_LOCAL_BUFFER (octave_idx_type, iwork, nr); |
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|
692 |
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|
693 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&job, 1), |
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|
694 F77_CONST_CHAR_ARG2 (&uplo, 1), |
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695 F77_CONST_CHAR_ARG2 (&udiag, 1), |
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696 nr, tmp_data, nr, rcon, |
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697 work, iwork, dtrcon_info |
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698 F77_CHAR_ARG_LEN (1) |
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699 F77_CHAR_ARG_LEN (1) |
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|
700 F77_CHAR_ARG_LEN (1))); |
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|
701 |
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702 if (dtrcon_info != 0) |
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703 info = -1; |
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704 } |
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|
705 |
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|
706 if (info == -1 && ! force) |
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|
707 retval = *this; // Restore matrix contents. |
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changeset
|
708 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
709 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
710 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
711 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
712 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
713 FloatMatrix |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
714 FloatMatrix::finverse (MatrixType &mattype, octave_idx_type& info, float& rcon, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
715 int force, int calc_cond) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
716 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
717 FloatMatrix retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
718 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
719 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
720 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
721 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
722 if (nr != nc || nr == 0 || nc == 0) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
723 (*current_liboctave_error_handler) ("inverse requires square matrix"); |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
724 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
725 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
726 octave_idx_type *pipvt = ipvt.fortran_vec (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
727 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
728 retval = *this; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
729 float *tmp_data = retval.fortran_vec (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
730 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
731 Array<float> z(dim_vector (1, 1)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
732 octave_idx_type lwork = -1; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
733 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
734 // Query the optimum work array size. |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
735 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt, |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
736 z.fortran_vec (), lwork, info)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
737 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
738 lwork = static_cast<octave_idx_type> (z(0)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
739 lwork = (lwork < 2 *nc ? 2*nc : lwork); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
740 z.resize (dim_vector (lwork, 1)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
741 float *pz = z.fortran_vec (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
742 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
743 info = 0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
744 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
745 // Calculate the norm of the matrix, for later use. |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
746 float anorm = 0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
747 if (calc_cond) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
748 anorm = retval.abs ().sum ().row (static_cast<octave_idx_type>(0)) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
749 .max (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
750 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
751 F77_XFCN (sgetrf, SGETRF, (nc, nc, tmp_data, nr, pipvt, info)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
752 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
753 // Throw-away extra info LAPACK gives so as to not change output. |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
754 rcon = 0.0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
755 if (info != 0) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
756 info = -1; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
757 else if (calc_cond) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
758 { |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
759 octave_idx_type dgecon_info = 0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
760 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
761 // Now calculate the condition number for non-singular matrix. |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
762 char job = '1'; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
763 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
764 octave_idx_type *piz = iz.fortran_vec (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
765 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1), |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
766 nc, tmp_data, nr, anorm, |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
767 rcon, pz, piz, dgecon_info |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
768 F77_CHAR_ARG_LEN (1))); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
769 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
770 if (dgecon_info != 0) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
771 info = -1; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
772 } |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
773 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
774 if (info == -1 && ! force) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
775 retval = *this; // Restore matrix contents. |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
776 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
777 { |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
778 octave_idx_type dgetri_info = 0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
779 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
780 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt, |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
781 pz, lwork, dgetri_info)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
782 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
783 if (dgetri_info != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
784 info = -1; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
785 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
786 |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
787 if (info != 0) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
788 mattype.mark_as_rectangular (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
789 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
790 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
791 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
792 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
793 FloatMatrix |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
794 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info, float& rcon, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
795 int force, int calc_cond) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
796 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
797 int typ = mattype.type (false); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
798 FloatMatrix ret; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
799 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
800 if (typ == MatrixType::Unknown) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
801 typ = mattype.type (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
802 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
803 if (typ == MatrixType::Upper || typ == MatrixType::Lower) |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
804 ret = tinverse (mattype, info, rcon, force, calc_cond); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
805 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
806 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
807 if (mattype.is_hermitian ()) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
808 { |
21269
3c8a3d35661a
better use of templates for Cholesky factorization
John W. Eaton <jwe@octave.org>
parents:
21266
diff
changeset
|
809 chol<FloatMatrix> chol (*this, info, true, calc_cond); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
810 if (info == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
811 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
812 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
813 rcon = chol.rcond (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
814 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
815 rcon = 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
816 ret = chol.inverse (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
817 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
818 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
819 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
820 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
821 |
20955
77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents:
20711
diff
changeset
|
822 if (! mattype.is_hermitian ()) |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
823 ret = finverse (mattype, info, rcon, force, calc_cond); |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
824 |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
825 if ((mattype.is_hermitian () || calc_cond) && rcon == 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
826 ret = FloatMatrix (rows (), columns (), octave_Float_Inf); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
827 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
828 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
829 return ret; |
82be108cc558
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
830 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
831 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
832 FloatMatrix |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
833 FloatMatrix::pseudo_inverse (float tol) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
834 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
835 FloatSVD result (*this, SVD::economy); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
836 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
837 FloatDiagMatrix S = result.singular_values (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
838 FloatMatrix U = result.left_singular_matrix (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
839 FloatMatrix V = result.right_singular_matrix (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
840 |
15448
0a0912a9ab6e
Replace deprecated DiagArray2<T>::diag calls with DiagArray2<T>::extract_diag
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
15383
diff
changeset
|
841 FloatColumnVector sigma = S.extract_diag (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
842 |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
843 octave_idx_type r = sigma.numel () - 1; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
844 octave_idx_type nr = rows (); |
82be108cc558
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
845 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
846 |
82be108cc558
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
847 if (tol <= 0.0) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
848 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
849 if (nr > nc) |
15220
61822c866ba1
use std::numeric_limits<T>::epsilon in C++ code
John W. Eaton <jwe@octave.org>
parents:
15018
diff
changeset
|
850 tol = nr * sigma.elem (0) * std::numeric_limits<double>::epsilon (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
851 else |
15220
61822c866ba1
use std::numeric_limits<T>::epsilon in C++ code
John W. Eaton <jwe@octave.org>
parents:
15018
diff
changeset
|
852 tol = nc * sigma.elem (0) * std::numeric_limits<double>::epsilon (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
853 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
854 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
855 while (r >= 0 && sigma.elem (r) < tol) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
856 r--; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
857 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
858 if (r < 0) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
859 return FloatMatrix (nc, nr, 0.0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
860 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
861 { |
82be108cc558
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
862 FloatMatrix Ur = U.extract (0, 0, nr-1, r); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
863 FloatDiagMatrix D = FloatDiagMatrix (sigma.extract (0, r)) . inverse (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
864 FloatMatrix Vr = V.extract (0, 0, nc-1, r); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
865 return Vr * D * Ur.transpose (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
866 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
867 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
868 |
9523
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
869 #if defined (HAVE_FFTW) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
870 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
871 FloatComplexMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
872 FloatMatrix::fourier (void) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
873 { |
82be108cc558
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
874 size_t nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
875 size_t nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
876 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
877 FloatComplexMatrix retval (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
878 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
879 size_t npts, nsamples; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
880 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
881 if (nr == 1 || nc == 1) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
882 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
883 npts = nr > nc ? nr : nc; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
884 nsamples = 1; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
885 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
886 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
887 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
888 npts = nr; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
889 nsamples = nc; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
890 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
891 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
892 const float *in (fortran_vec ()); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
893 FloatComplex *out (retval.fortran_vec ()); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
894 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
895 octave_fftw::fft (in, out, npts, nsamples); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
896 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
897 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
898 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
899 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
900 FloatComplexMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
901 FloatMatrix::ifourier (void) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
902 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
903 size_t nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
904 size_t nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
905 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
906 FloatComplexMatrix retval (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
907 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
908 size_t npts, nsamples; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
909 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
910 if (nr == 1 || nc == 1) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
911 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
912 npts = nr > nc ? nr : nc; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
913 nsamples = 1; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
914 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
915 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
916 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
917 npts = nr; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
918 nsamples = nc; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
919 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
920 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
921 FloatComplexMatrix tmp (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
922 FloatComplex *in (tmp.fortran_vec ()); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
923 FloatComplex *out (retval.fortran_vec ()); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
924 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
925 octave_fftw::ifft (in, out, npts, nsamples); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
926 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
927 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
928 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
929 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
930 FloatComplexMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
931 FloatMatrix::fourier2d (void) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
932 { |
20218
b2100e1659ac
maint: Use cuddled parentheses when indexing dimension_vectors.
Rik <rik@octave.org>
parents:
19864
diff
changeset
|
933 dim_vector dv (rows (), cols ()); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
934 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
935 const float *in = fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
936 FloatComplexMatrix retval (rows (), cols ()); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
937 octave_fftw::fftNd (in, retval.fortran_vec (), 2, dv); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
938 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
939 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
940 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
941 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
942 FloatComplexMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
943 FloatMatrix::ifourier2d (void) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
944 { |
20218
b2100e1659ac
maint: Use cuddled parentheses when indexing dimension_vectors.
Rik <rik@octave.org>
parents:
19864
diff
changeset
|
945 dim_vector dv (rows (), cols ()); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
946 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
947 FloatComplexMatrix retval (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
948 FloatComplex *out (retval.fortran_vec ()); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
949 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
950 octave_fftw::ifftNd (out, out, 2, dv); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
951 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
952 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
953 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
954 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
955 #else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
956 |
9523
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
957 extern "C" |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
958 { |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
959 // Note that the original complex fft routines were not written for |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
960 // float complex arguments. They have been modified by adding an |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
961 // implicit float precision (a-h,o-z) statement at the beginning of |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
962 // each subroutine. |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
963 |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
964 F77_RET_T |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
965 F77_FUNC (cffti, CFFTI) (const octave_idx_type&, FloatComplex*); |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
966 |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
967 F77_RET_T |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
968 F77_FUNC (cfftf, CFFTF) (const octave_idx_type&, FloatComplex*, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
969 FloatComplex*); |
9523
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
970 |
0ce82753dd72
more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents:
9469
diff
changeset
|
971 F77_RET_T |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
972 F77_FUNC (cfftb, CFFTB) (const octave_idx_type&, FloatComplex*, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
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973 FloatComplex*); |
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|
974 } |
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975 |
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976 FloatComplexMatrix |
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977 FloatMatrix::fourier (void) const |
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978 { |
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979 FloatComplexMatrix retval; |
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980 |
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981 octave_idx_type nr = rows (); |
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982 octave_idx_type nc = cols (); |
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983 |
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984 octave_idx_type npts, nsamples; |
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985 |
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986 if (nr == 1 || nc == 1) |
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987 { |
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988 npts = nr > nc ? nr : nc; |
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989 nsamples = 1; |
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990 } |
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991 else |
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992 { |
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993 npts = nr; |
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994 nsamples = nc; |
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|
995 } |
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996 |
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997 octave_idx_type nn = 4*npts+15; |
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|
998 |
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999 Array<FloatComplex> wsave (dim_vector (nn, 1)); |
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1000 FloatComplex *pwsave = wsave.fortran_vec (); |
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1001 |
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1002 retval = FloatComplexMatrix (*this); |
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1003 FloatComplex *tmp_data = retval.fortran_vec (); |
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1004 |
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1005 F77_FUNC (cffti, CFFTI) (npts, pwsave); |
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1006 |
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1007 for (octave_idx_type j = 0; j < nsamples; j++) |
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1008 { |
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|
1009 octave_quit (); |
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|
1010 |
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1011 F77_FUNC (cfftf, CFFTF) (npts, &tmp_data[npts*j], pwsave); |
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1012 } |
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1013 |
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1014 return retval; |
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|
1015 } |
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|
1016 |
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|
1017 FloatComplexMatrix |
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|
1018 FloatMatrix::ifourier (void) const |
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parents:
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|
1019 { |
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|
1020 FloatComplexMatrix retval; |
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|
1021 |
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1022 octave_idx_type nr = rows (); |
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parents:
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1023 octave_idx_type nc = cols (); |
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|
1024 |
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parents:
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|
1025 octave_idx_type npts, nsamples; |
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parents:
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|
1026 |
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parents:
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|
1027 if (nr == 1 || nc == 1) |
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parents:
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|
1028 { |
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parents:
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|
1029 npts = nr > nc ? nr : nc; |
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parents:
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|
1030 nsamples = 1; |
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|
1031 } |
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|
1032 else |
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|
1033 { |
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|
1034 npts = nr; |
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|
1035 nsamples = nc; |
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parents:
diff
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|
1036 } |
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parents:
diff
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|
1037 |
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parents:
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|
1038 octave_idx_type nn = 4*npts+15; |
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parents:
diff
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|
1039 |
11570
57632dea2446
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parents:
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diff
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|
1040 Array<FloatComplex> wsave (dim_vector (nn, 1)); |
7789
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parents:
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|
1041 FloatComplex *pwsave = wsave.fortran_vec (); |
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parents:
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|
1042 |
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parents:
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|
1043 retval = FloatComplexMatrix (*this); |
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parents:
diff
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|
1044 FloatComplex *tmp_data = retval.fortran_vec (); |
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parents:
diff
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|
1045 |
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parents:
diff
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|
1046 F77_FUNC (cffti, CFFTI) (npts, pwsave); |
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parents:
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|
1047 |
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diff
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|
1048 for (octave_idx_type j = 0; j < nsamples; j++) |
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parents:
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|
1049 { |
10142
829e69ec3110
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parents:
9812
diff
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|
1050 octave_quit (); |
7789
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parents:
diff
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|
1051 |
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parents:
diff
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|
1052 F77_FUNC (cfftb, CFFTB) (npts, &tmp_data[npts*j], pwsave); |
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parents:
diff
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|
1053 } |
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|
1054 |
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|
1055 for (octave_idx_type j = 0; j < npts*nsamples; j++) |
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parents:
diff
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|
1056 tmp_data[j] = tmp_data[j] / static_cast<float> (npts); |
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parents:
diff
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|
1057 |
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parents:
diff
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|
1058 return retval; |
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parents:
diff
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|
1059 } |
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parents:
diff
changeset
|
1060 |
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parents:
diff
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|
1061 FloatComplexMatrix |
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parents:
diff
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|
1062 FloatMatrix::fourier2d (void) const |
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parents:
diff
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|
1063 { |
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|
1064 FloatComplexMatrix retval; |
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parents:
diff
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|
1065 |
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parents:
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|
1066 octave_idx_type nr = rows (); |
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parents:
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|
1067 octave_idx_type nc = cols (); |
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parents:
diff
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|
1068 |
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parents:
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|
1069 octave_idx_type npts, nsamples; |
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parents:
diff
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|
1070 |
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diff
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|
1071 if (nr == 1 || nc == 1) |
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parents:
diff
changeset
|
1072 { |
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parents:
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|
1073 npts = nr > nc ? nr : nc; |
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|
1074 nsamples = 1; |
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parents:
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|
1075 } |
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diff
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|
1076 else |
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|
1077 { |
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parents:
diff
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|
1078 npts = nr; |
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parents:
diff
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|
1079 nsamples = nc; |
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parents:
diff
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|
1080 } |
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parents:
diff
changeset
|
1081 |
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|
1082 octave_idx_type nn = 4*npts+15; |
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parents:
diff
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|
1083 |
11570
57632dea2446
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diff
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|
1084 Array<FloatComplex> wsave (dim_vector (nn, 1)); |
7789
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parents:
diff
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|
1085 FloatComplex *pwsave = wsave.fortran_vec (); |
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parents:
diff
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|
1086 |
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parents:
diff
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|
1087 retval = FloatComplexMatrix (*this); |
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parents:
diff
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|
1088 FloatComplex *tmp_data = retval.fortran_vec (); |
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parents:
diff
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|
1089 |
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parents:
diff
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|
1090 F77_FUNC (cffti, CFFTI) (npts, pwsave); |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1091 |
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diff
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|
1092 for (octave_idx_type j = 0; j < nsamples; j++) |
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parents:
diff
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|
1093 { |
10142
829e69ec3110
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Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
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|
1094 octave_quit (); |
7789
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parents:
diff
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|
1095 |
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diff
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|
1096 F77_FUNC (cfftf, CFFTF) (npts, &tmp_data[npts*j], pwsave); |
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diff
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|
1097 } |
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parents:
diff
changeset
|
1098 |
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parents:
diff
changeset
|
1099 npts = nc; |
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parents:
diff
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|
1100 nsamples = nr; |
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parents:
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|
1101 nn = 4*npts+15; |
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parents:
diff
changeset
|
1102 |
11574
a83bad07f7e3
attempt better backward compatibility for Array resize functions
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parents:
11570
diff
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|
1103 wsave.resize (dim_vector (nn, 1)); |
7789
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|
1104 pwsave = wsave.fortran_vec (); |
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parents:
diff
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|
1105 |
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parents:
11523
diff
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|
1106 Array<FloatComplex> tmp (dim_vector (npts, 1)); |
7789
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|
1107 FloatComplex *prow = tmp.fortran_vec (); |
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parents:
diff
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|
1108 |
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diff
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|
1109 F77_FUNC (cffti, CFFTI) (npts, pwsave); |
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diff
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|
1110 |
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|
1111 for (octave_idx_type j = 0; j < nsamples; j++) |
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diff
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|
1112 { |
10142
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parents:
9812
diff
changeset
|
1113 octave_quit (); |
7789
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|
1114 |
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parents:
diff
changeset
|
1115 for (octave_idx_type i = 0; i < npts; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1116 prow[i] = tmp_data[i*nr + j]; |
7789
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First attempt at single precision tyeps
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changeset
|
1117 |
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diff
changeset
|
1118 F77_FUNC (cfftf, CFFTF) (npts, prow, pwsave); |
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parents:
diff
changeset
|
1119 |
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parents:
diff
changeset
|
1120 for (octave_idx_type i = 0; i < npts; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1121 tmp_data[i*nr + j] = prow[i]; |
7789
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
1122 } |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
1123 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1124 return retval; |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
1125 } |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1126 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1127 FloatComplexMatrix |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1128 FloatMatrix::ifourier2d (void) const |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1129 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1130 FloatComplexMatrix retval; |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1131 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1132 octave_idx_type nr = rows (); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1133 octave_idx_type nc = cols (); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1134 |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
1135 octave_idx_type npts, nsamples; |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1136 |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1137 if (nr == 1 || nc == 1) |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1138 { |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
1139 npts = nr > nc ? nr : nc; |
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parents:
diff
changeset
|
1140 nsamples = 1; |
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parents:
diff
changeset
|
1141 } |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1142 else |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1143 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1144 npts = nr; |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1145 nsamples = nc; |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1146 } |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1147 |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
1148 octave_idx_type nn = 4*npts+15; |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1149 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1150 Array<FloatComplex> wsave (dim_vector (nn, 1)); |
7789
82be108cc558
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1151 FloatComplex *pwsave = wsave.fortran_vec (); |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1152 |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1153 retval = FloatComplexMatrix (*this); |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1154 FloatComplex *tmp_data = retval.fortran_vec (); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1155 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1156 F77_FUNC (cffti, CFFTI) (npts, pwsave); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1157 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1158 for (octave_idx_type j = 0; j < nsamples; j++) |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1159 { |
10142
829e69ec3110
make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
1160 octave_quit (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1161 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1162 F77_FUNC (cfftb, CFFTB) (npts, &tmp_data[npts*j], pwsave); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1163 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1164 |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
1165 for (octave_idx_type j = 0; j < npts*nsamples; j++) |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1166 tmp_data[j] = tmp_data[j] / static_cast<float> (npts); |
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parents:
diff
changeset
|
1167 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1168 npts = nc; |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1169 nsamples = nr; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1170 nn = 4*npts+15; |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1171 |
11574
a83bad07f7e3
attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents:
11570
diff
changeset
|
1172 wsave.resize (dim_vector (nn, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1173 pwsave = wsave.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1174 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1175 Array<FloatComplex> tmp (dim_vector (npts, 1)); |
7789
82be108cc558
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1176 FloatComplex *prow = tmp.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1177 |
82be108cc558
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1178 F77_FUNC (cffti, CFFTI) (npts, pwsave); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1179 |
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parents:
diff
changeset
|
1180 for (octave_idx_type j = 0; j < nsamples; j++) |
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parents:
diff
changeset
|
1181 { |
10142
829e69ec3110
make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents:
9812
diff
changeset
|
1182 octave_quit (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1183 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1184 for (octave_idx_type i = 0; i < npts; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1185 prow[i] = tmp_data[i*nr + j]; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1186 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1187 F77_FUNC (cfftb, CFFTB) (npts, prow, pwsave); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1188 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1189 for (octave_idx_type i = 0; i < npts; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1190 tmp_data[i*nr + j] = prow[i] / static_cast<float> (npts); |
7789
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1191 } |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
1192 |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1193 return retval; |
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parents:
diff
changeset
|
1194 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1195 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1196 #endif |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1197 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1198 FloatDET |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1199 FloatMatrix::determinant (void) const |
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1200 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1201 octave_idx_type info; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1202 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1203 return determinant (info, rcon, 0); |
7789
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
1204 } |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
1205 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1206 FloatDET |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1207 FloatMatrix::determinant (octave_idx_type& info) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1208 { |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1209 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1210 return determinant (info, rcon, 0); |
7789
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
1211 } |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
1212 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1213 FloatDET |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1214 FloatMatrix::determinant (octave_idx_type& info, float& rcon, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1215 int calc_cond) const |
7789
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
1216 { |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1217 MatrixType mattype (*this); |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1218 return determinant (mattype, info, rcon, calc_cond); |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1219 } |
9813c07ca946
make det take advantage of matrix type
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parents:
8335
diff
changeset
|
1220 |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1221 FloatDET |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1222 FloatMatrix::determinant (MatrixType& mattype, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1223 octave_idx_type& info, float& rcon, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1224 int calc_cond) const |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1225 { |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1226 FloatDET retval (1.0); |
7789
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
1227 |
13828
f1b023fd098d
always initialize info and rcon in Matrix determinant methods
John W. Eaton <jwe@octave.org>
parents:
13756
diff
changeset
|
1228 info = 0; |
f1b023fd098d
always initialize info and rcon in Matrix determinant methods
John W. Eaton <jwe@octave.org>
parents:
13756
diff
changeset
|
1229 rcon = 0.0; |
f1b023fd098d
always initialize info and rcon in Matrix determinant methods
John W. Eaton <jwe@octave.org>
parents:
13756
diff
changeset
|
1230 |
7789
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parents:
diff
changeset
|
1231 octave_idx_type nr = rows (); |
82be108cc558
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parents:
diff
changeset
|
1232 octave_idx_type nc = cols (); |
82be108cc558
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1233 |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1234 if (nr != nc) |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1235 (*current_liboctave_error_handler) ("matrix must be square"); |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1236 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1237 volatile int typ = mattype.type (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1238 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1239 // Even though the matrix is marked as singular (Rectangular), we may |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1240 // still get a useful number from the LU factorization, because it always |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1241 // completes. |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1242 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1243 if (typ == MatrixType::Unknown) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1244 typ = mattype.type (*this); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1245 else if (typ == MatrixType::Rectangular) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1246 typ = MatrixType::Full; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1247 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1248 if (typ == MatrixType::Lower || typ == MatrixType::Upper) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1249 { |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1250 for (octave_idx_type i = 0; i < nc; i++) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1251 retval *= elem (i,i); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1252 } |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1253 else if (typ == MatrixType::Hermitian) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1254 { |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1255 FloatMatrix atmp = *this; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1256 float *tmp_data = atmp.fortran_vec (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1257 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1258 float anorm = 0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1259 if (calc_cond) anorm = xnorm (*this, 1); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1260 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1261 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1262 char job = 'L'; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1263 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr, |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1264 tmp_data, nr, info |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1265 F77_CHAR_ARG_LEN (1))); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1266 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1267 if (info != 0) |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1268 { |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1269 rcon = 0.0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1270 mattype.mark_as_unsymmetric (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1271 typ = MatrixType::Full; |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1272 } |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1273 else |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1274 { |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1275 Array<float> z (dim_vector (3 * nc, 1)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1276 float *pz = z.fortran_vec (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1277 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1278 octave_idx_type *piz = iz.fortran_vec (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1279 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1280 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1), |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1281 nr, tmp_data, nr, anorm, |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1282 rcon, pz, piz, info |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1283 F77_CHAR_ARG_LEN (1))); |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1284 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1285 if (info != 0) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1286 rcon = 0.0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1287 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1288 for (octave_idx_type i = 0; i < nc; i++) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1289 retval *= atmp (i,i); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1290 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1291 retval = retval.square (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1292 } |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1293 } |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1294 else if (typ != MatrixType::Full) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1295 (*current_liboctave_error_handler) ("det: invalid dense matrix type"); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1296 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1297 if (typ == MatrixType::Full) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1298 { |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1299 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1300 octave_idx_type *pipvt = ipvt.fortran_vec (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1301 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1302 FloatMatrix atmp = *this; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1303 float *tmp_data = atmp.fortran_vec (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1304 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1305 info = 0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1306 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1307 // Calculate the norm of the matrix, for later use. |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1308 float anorm = 0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1309 if (calc_cond) anorm = xnorm (*this, 1); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1310 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1311 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info)); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1312 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1313 // Throw-away extra info LAPACK gives so as to not change output. |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1314 rcon = 0.0; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1315 if (info != 0) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1316 { |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1317 info = -1; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1318 retval = FloatDET (); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1319 } |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1320 else |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1321 { |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1322 if (calc_cond) |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1323 { |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1324 // Now calc the condition number for non-singular matrix. |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1325 char job = '1'; |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1326 Array<float> z (dim_vector (4 * nc, 1)); |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1327 float *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1328 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1329 octave_idx_type *piz = iz.fortran_vec (); |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1330 |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1331 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1), |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1332 nc, tmp_data, nr, anorm, |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1333 rcon, pz, piz, info |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1334 F77_CHAR_ARG_LEN (1))); |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1335 } |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1336 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1337 if (info != 0) |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1338 { |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1339 info = -1; |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1340 retval = FloatDET (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1341 } |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1342 else |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1343 { |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1344 for (octave_idx_type i = 0; i < nc; i++) |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1345 { |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1346 float c = atmp(i,i); |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1347 retval *= (ipvt(i) != (i+1)) ? -c : c; |
8336
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1348 } |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1349 } |
9813c07ca946
make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents:
8335
diff
changeset
|
1350 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1351 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1352 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1353 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1354 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1355 |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1356 float |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1357 FloatMatrix::rcond (void) const |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1358 { |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1359 MatrixType mattype (*this); |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1360 return rcond (mattype); |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1361 } |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1362 |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1363 float |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1364 FloatMatrix::rcond (MatrixType &mattype) const |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
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|
1365 { |
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cb37b17b6091
Initialize rcond value to octave_NaN.
PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
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18084
diff
changeset
|
1366 float rcon = octave_NaN; |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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|
1367 octave_idx_type nr = rows (); |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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changeset
|
1368 octave_idx_type nc = cols (); |
f42c6f8d6d8e
Extend rcond function to single precision types
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diff
changeset
|
1369 |
f42c6f8d6d8e
Extend rcond function to single precision types
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7789
diff
changeset
|
1370 if (nr != nc) |
f42c6f8d6d8e
Extend rcond function to single precision types
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diff
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|
1371 (*current_liboctave_error_handler) ("matrix must be square"); |
21136
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Rik <rik@octave.org>
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changeset
|
1372 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
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21129
diff
changeset
|
1373 if (nr == 0 || nc == 0) |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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diff
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|
1374 rcon = octave_Inf; |
f42c6f8d6d8e
Extend rcond function to single precision types
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diff
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|
1375 else |
f42c6f8d6d8e
Extend rcond function to single precision types
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|
1376 { |
16300
23c5f90f92cd
eliminate some variable might be clobbered by 'longjmp' or 'vfork' warnings
John W. Eaton <jwe@octave.org>
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15448
diff
changeset
|
1377 volatile int typ = mattype.type (); |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
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|
1378 |
f42c6f8d6d8e
Extend rcond function to single precision types
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|
1379 if (typ == MatrixType::Unknown) |
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|
1380 typ = mattype.type (*this); |
7797
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Extend rcond function to single precision types
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diff
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|
1381 |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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changeset
|
1382 // Only calculate the condition number for LU/Cholesky |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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|
1383 if (typ == MatrixType::Upper) |
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|
1384 { |
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|
1385 const float *tmp_data = fortran_vec (); |
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|
1386 octave_idx_type info = 0; |
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untabify liboctave C++ sources
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|
1387 char norm = '1'; |
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untabify liboctave C++ sources
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|
1388 char uplo = 'U'; |
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untabify liboctave C++ sources
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|
1389 char dia = 'N'; |
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|
1390 |
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|
1391 Array<float> z (dim_vector (3 * nc, 1)); |
10314
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|
1392 float *pz = z.fortran_vec (); |
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|
1393 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
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|
1394 octave_idx_type *piz = iz.fortran_vec (); |
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|
1395 |
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|
1396 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1), |
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|
1397 F77_CONST_CHAR_ARG2 (&uplo, 1), |
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|
1398 F77_CONST_CHAR_ARG2 (&dia, 1), |
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changeset
|
1399 nr, tmp_data, nr, rcon, |
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|
1400 pz, piz, info |
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untabify liboctave C++ sources
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|
1401 F77_CHAR_ARG_LEN (1) |
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untabify liboctave C++ sources
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|
1402 F77_CHAR_ARG_LEN (1) |
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|
1403 F77_CHAR_ARG_LEN (1))); |
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|
1404 |
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|
1405 if (info != 0) |
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|
1406 rcon = 0.0; |
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|
1407 } |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
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|
1408 else if (typ == MatrixType::Permuted_Upper) |
10314
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changeset
|
1409 (*current_liboctave_error_handler) |
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untabify liboctave C++ sources
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changeset
|
1410 ("permuted triangular matrix not implemented"); |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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|
1411 else if (typ == MatrixType::Lower) |
10314
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|
1412 { |
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|
1413 const float *tmp_data = fortran_vec (); |
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untabify liboctave C++ sources
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|
1414 octave_idx_type info = 0; |
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untabify liboctave C++ sources
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|
1415 char norm = '1'; |
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untabify liboctave C++ sources
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|
1416 char uplo = 'L'; |
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untabify liboctave C++ sources
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10213
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changeset
|
1417 char dia = 'N'; |
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|
1418 |
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changeset
|
1419 Array<float> z (dim_vector (3 * nc, 1)); |
10314
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untabify liboctave C++ sources
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changeset
|
1420 float *pz = z.fortran_vec (); |
11570
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John W. Eaton <jwe@octave.org>
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changeset
|
1421 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
10314
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|
1422 octave_idx_type *piz = iz.fortran_vec (); |
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|
1423 |
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|
1424 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1), |
12df7854fa7c
strip trailing whitespace from source files
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changeset
|
1425 F77_CONST_CHAR_ARG2 (&uplo, 1), |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
1426 F77_CONST_CHAR_ARG2 (&dia, 1), |
10314
07ebe522dac2
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changeset
|
1427 nr, tmp_data, nr, rcon, |
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1428 pz, piz, info |
07ebe522dac2
untabify liboctave C++ sources
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10213
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changeset
|
1429 F77_CHAR_ARG_LEN (1) |
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untabify liboctave C++ sources
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changeset
|
1430 F77_CHAR_ARG_LEN (1) |
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10213
diff
changeset
|
1431 F77_CHAR_ARG_LEN (1))); |
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diff
changeset
|
1432 |
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John W. Eaton <jwe@octave.org>
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|
1433 if (info != 0) |
10314
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changeset
|
1434 rcon = 0.0; |
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untabify liboctave C++ sources
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diff
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|
1435 } |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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|
1436 else if (typ == MatrixType::Permuted_Lower) |
10314
07ebe522dac2
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diff
changeset
|
1437 (*current_liboctave_error_handler) |
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|
1438 ("permuted triangular matrix not implemented"); |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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7789
diff
changeset
|
1439 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
10314
07ebe522dac2
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|
1440 { |
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changeset
|
1441 float anorm = -1.0; |
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changeset
|
1442 |
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changeset
|
1443 if (typ == MatrixType::Hermitian) |
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|
1444 { |
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changeset
|
1445 octave_idx_type info = 0; |
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diff
changeset
|
1446 char job = 'L'; |
15382
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1447 |
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1448 FloatMatrix atmp = *this; |
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1449 float *tmp_data = atmp.fortran_vec (); |
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1450 |
10314
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diff
changeset
|
1451 anorm = atmp.abs().sum(). |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1452 row(static_cast<octave_idx_type>(0)).max(); |
10314
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|
1453 |
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changeset
|
1454 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr, |
10314
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changeset
|
1455 tmp_data, nr, info |
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changeset
|
1456 F77_CHAR_ARG_LEN (1))); |
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|
1457 |
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|
1458 if (info != 0) |
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|
1459 { |
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changeset
|
1460 rcon = 0.0; |
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changeset
|
1461 mattype.mark_as_unsymmetric (); |
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changeset
|
1462 typ = MatrixType::Full; |
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|
1463 } |
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|
1464 else |
10314
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changeset
|
1465 { |
11570
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attempt better backward compatibility for Array constructors
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changeset
|
1466 Array<float> z (dim_vector (3 * nc, 1)); |
10314
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changeset
|
1467 float *pz = z.fortran_vec (); |
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attempt better backward compatibility for Array constructors
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changeset
|
1468 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
10314
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changeset
|
1469 octave_idx_type *piz = iz.fortran_vec (); |
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|
1470 |
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|
1471 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1), |
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changeset
|
1472 nr, tmp_data, nr, anorm, |
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|
1473 rcon, pz, piz, info |
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changeset
|
1474 F77_CHAR_ARG_LEN (1))); |
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changeset
|
1475 |
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changeset
|
1476 if (info != 0) |
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changeset
|
1477 rcon = 0.0; |
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changeset
|
1478 } |
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changeset
|
1479 } |
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changeset
|
1480 |
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changeset
|
1481 if (typ == MatrixType::Full) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1482 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1483 octave_idx_type info = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1484 |
15382
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1485 FloatMatrix atmp = *this; |
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1486 float *tmp_data = atmp.fortran_vec (); |
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1487 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1488 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1489 octave_idx_type *pipvt = ipvt.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1490 |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
1491 if (anorm < 0.) |
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14557
diff
changeset
|
1492 anorm = atmp.abs ().sum (). |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1493 row(static_cast<octave_idx_type>(0)).max (); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1494 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1495 Array<float> z (dim_vector (4 * nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1496 float *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1497 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1498 octave_idx_type *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1499 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1500 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info)); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1501 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1502 if (info != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1503 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1504 rcon = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1505 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1506 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1507 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1508 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1509 char job = '1'; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1510 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1), |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1511 nc, tmp_data, nr, anorm, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1512 rcon, pz, piz, info |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1513 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1514 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1515 if (info != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1516 rcon = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1517 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1518 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1519 } |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1520 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1521 rcon = 0.0; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1522 } |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1523 |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1524 return rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1525 } |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
1526 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1527 FloatMatrix |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1528 FloatMatrix::utsolve (MatrixType &mattype, const FloatMatrix& b, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1529 octave_idx_type& info, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1530 float& rcon, solve_singularity_handler sing_handler, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1531 bool calc_cond, blas_trans_type transt) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1532 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1533 FloatMatrix retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1534 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1535 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1536 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1537 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1538 if (nr != b.rows ()) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1539 (*current_liboctave_error_handler) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1540 ("matrix dimension mismatch solution of linear equations"); |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1541 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1542 if (nr == 0 || nc == 0 || b.cols () == 0) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1543 retval = FloatMatrix (nc, b.cols (), 0.0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1544 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1545 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1546 volatile int typ = mattype.type (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1547 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1548 if (typ == MatrixType::Permuted_Upper || typ == MatrixType::Upper) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1549 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1550 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1551 rcon = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1552 info = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1553 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1554 if (typ == MatrixType::Permuted_Upper) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1555 (*current_liboctave_error_handler) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1556 ("permuted triangular matrix not implemented"); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1557 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1558 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1559 const float *tmp_data = fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1560 |
19446
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1561 retval = b; |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1562 float *result = retval.fortran_vec (); |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1563 |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1564 char uplo = 'U'; |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1565 char trans = get_blas_char (transt); |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1566 char dia = 'N'; |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1567 |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1568 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1), |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1569 F77_CONST_CHAR_ARG2 (&trans, 1), |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1570 F77_CONST_CHAR_ARG2 (&dia, 1), |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1571 nr, b_nc, tmp_data, nr, |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1572 result, nr, info |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1573 F77_CHAR_ARG_LEN (1) |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1574 F77_CHAR_ARG_LEN (1) |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1575 F77_CHAR_ARG_LEN (1))); |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1576 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1577 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1578 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1579 char norm = '1'; |
19457
cb35d695713c
avoid shadowed variable warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
19446
diff
changeset
|
1580 uplo = 'U'; |
cb35d695713c
avoid shadowed variable warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
19446
diff
changeset
|
1581 dia = 'N'; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1582 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1583 Array<float> z (dim_vector (3 * nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1584 float *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1585 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1586 octave_idx_type *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1587 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1588 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1), |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1589 F77_CONST_CHAR_ARG2 (&uplo, 1), |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1590 F77_CONST_CHAR_ARG2 (&dia, 1), |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1591 nr, tmp_data, nr, rcon, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1592 pz, piz, info |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1593 F77_CHAR_ARG_LEN (1) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1594 F77_CHAR_ARG_LEN (1) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1595 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1596 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1597 if (info != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1598 info = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1599 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1600 volatile float rcond_plus_one = rcon + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1601 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1602 if (rcond_plus_one == 1.0 || xisnan (rcon)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1603 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1604 info = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1605 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1606 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1607 sing_handler (rcon); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1608 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
1609 warn_singular_matrix (rcon); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1610 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1611 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1612 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1613 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1614 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1615 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1616 (*current_liboctave_error_handler) ("incorrect matrix type"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1617 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1618 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1619 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1620 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1621 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1622 FloatMatrix |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1623 FloatMatrix::ltsolve (MatrixType &mattype, const FloatMatrix& b, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1624 octave_idx_type& info, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1625 float& rcon, solve_singularity_handler sing_handler, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1626 bool calc_cond, blas_trans_type transt) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1627 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1628 FloatMatrix retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1629 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1630 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1631 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1632 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1633 if (nr != b.rows ()) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1634 (*current_liboctave_error_handler) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1635 ("matrix dimension mismatch solution of linear equations"); |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1636 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1637 if (nr == 0 || nc == 0 || b.cols () == 0) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1638 retval = FloatMatrix (nc, b.cols (), 0.0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1639 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1640 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1641 volatile int typ = mattype.type (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1642 |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1643 if (typ == MatrixType::Permuted_Lower || typ == MatrixType::Lower) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1644 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1645 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1646 rcon = 1.; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1647 info = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1648 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1649 if (typ == MatrixType::Permuted_Lower) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1650 (*current_liboctave_error_handler) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1651 ("permuted triangular matrix not implemented"); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1652 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1653 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1654 const float *tmp_data = fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1655 |
19446
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1656 retval = b; |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1657 float *result = retval.fortran_vec (); |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1658 |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1659 char uplo = 'L'; |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1660 char trans = get_blas_char (transt); |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1661 char dia = 'N'; |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1662 |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1663 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1), |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1664 F77_CONST_CHAR_ARG2 (&trans, 1), |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1665 F77_CONST_CHAR_ARG2 (&dia, 1), |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1666 nr, b_nc, tmp_data, nr, |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1667 result, nr, info |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1668 F77_CHAR_ARG_LEN (1) |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1669 F77_CHAR_ARG_LEN (1) |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1670 F77_CHAR_ARG_LEN (1))); |
0b4915fcd2eb
don't skip solution of singular upper/lower triangular systems
John W. Eaton <jwe@octave.org>
parents:
19434
diff
changeset
|
1671 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1672 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1673 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1674 char norm = '1'; |
19457
cb35d695713c
avoid shadowed variable warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
19446
diff
changeset
|
1675 uplo = 'L'; |
cb35d695713c
avoid shadowed variable warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
19446
diff
changeset
|
1676 dia = 'N'; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1677 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1678 Array<float> z (dim_vector (3 * nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1679 float *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1680 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1681 octave_idx_type *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1682 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1683 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1), |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1684 F77_CONST_CHAR_ARG2 (&uplo, 1), |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1685 F77_CONST_CHAR_ARG2 (&dia, 1), |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1686 nr, tmp_data, nr, rcon, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1687 pz, piz, info |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1688 F77_CHAR_ARG_LEN (1) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1689 F77_CHAR_ARG_LEN (1) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1690 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1691 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1692 if (info != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1693 info = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1694 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1695 volatile float rcond_plus_one = rcon + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1696 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1697 if (rcond_plus_one == 1.0 || xisnan (rcon)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1698 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1699 info = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1700 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1701 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1702 sing_handler (rcon); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1703 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
1704 warn_singular_matrix (rcon); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1705 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1706 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1707 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1708 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1709 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1710 (*current_liboctave_error_handler) ("incorrect matrix type"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1711 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1712 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1713 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1714 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1715 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1716 FloatMatrix |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1717 FloatMatrix::fsolve (MatrixType &mattype, const FloatMatrix& b, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1718 octave_idx_type& info, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1719 float& rcon, solve_singularity_handler sing_handler, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1720 bool calc_cond) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1721 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1722 FloatMatrix retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1723 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1724 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1725 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1726 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1727 if (nr != nc || nr != b.rows ()) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1728 (*current_liboctave_error_handler) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1729 ("matrix dimension mismatch solution of linear equations"); |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1730 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
1731 if (nr == 0 || b.cols () == 0) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1732 retval = FloatMatrix (nc, b.cols (), 0.0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1733 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1734 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1735 volatile int typ = mattype.type (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1736 |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1737 // Calculate the norm of the matrix, for later use. |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1738 float anorm = -1.; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1739 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1740 if (typ == MatrixType::Hermitian) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1741 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1742 info = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1743 char job = 'L'; |
15382
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1744 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1745 FloatMatrix atmp = *this; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1746 float *tmp_data = atmp.fortran_vec (); |
15382
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1747 |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1748 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max(); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1749 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1750 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1751 tmp_data, nr, info |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1752 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1753 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1754 // Throw-away extra info LAPACK gives so as to not change output. |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1755 rcon = 0.0; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1756 if (info != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1757 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1758 info = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1759 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1760 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1761 typ = MatrixType::Full; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1762 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1763 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1764 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1765 if (calc_cond) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1766 { |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1767 Array<float> z (dim_vector (3 * nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1768 float *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1769 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1770 octave_idx_type *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1771 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1772 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1773 nr, tmp_data, nr, anorm, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1774 rcon, pz, piz, info |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1775 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1776 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1777 if (info != 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1778 info = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1779 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1780 volatile float rcond_plus_one = rcon + 1.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1781 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1782 if (rcond_plus_one == 1.0 || xisnan (rcon)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1783 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1784 info = -2; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1785 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1786 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1787 sing_handler (rcon); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1788 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
1789 warn_singular_matrix (rcon); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1790 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1791 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1792 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1793 if (info == 0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1794 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1795 retval = b; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1796 float *result = retval.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1797 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1798 octave_idx_type b_nc = b.cols (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1799 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1800 F77_XFCN (spotrs, SPOTRS, (F77_CONST_CHAR_ARG2 (&job, 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1801 nr, b_nc, tmp_data, nr, |
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14557
diff
changeset
|
1802 result, b.rows (), info |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1803 F77_CHAR_ARG_LEN (1))); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1804 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1805 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1806 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1807 mattype.mark_as_unsymmetric (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1808 typ = MatrixType::Full; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1809 } |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1810 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1811 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1812 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1813 if (typ == MatrixType::Full) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1814 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1815 info = 0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1816 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1817 Array<octave_idx_type> ipvt (dim_vector (nr, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1818 octave_idx_type *pipvt = ipvt.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1819 |
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1820 FloatMatrix atmp = *this; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1821 float *tmp_data = atmp.fortran_vec (); |
15382
197774b411ec
rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
1822 |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1823 if (anorm < 0.) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1824 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max(); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1825 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1826 Array<float> z (dim_vector (4 * nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1827 float *pz = z.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1828 Array<octave_idx_type> iz (dim_vector (nc, 1)); |
10314
07ebe522dac2
untabify liboctave C++ sources
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parents:
10213
diff
changeset
|
1829 octave_idx_type *piz = iz.fortran_vec (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10213
diff
changeset
|
1830 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10213
diff
changeset
|
1831 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info)); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1832 |
07ebe522dac2
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10213
diff
changeset
|
1833 // Throw-away extra info LAPACK gives so as to not change output. |
07ebe522dac2
untabify liboctave C++ sources
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10213
diff
changeset
|
1834 rcon = 0.0; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1835 if (info != 0) |
10314
07ebe522dac2
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10213
diff
changeset
|
1836 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1837 info = -2; |
07ebe522dac2
untabify liboctave C++ sources
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parents:
10213
diff
changeset
|
1838 |
07ebe522dac2
untabify liboctave C++ sources
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10213
diff
changeset
|
1839 if (sing_handler) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10213
diff
changeset
|
1840 sing_handler (rcon); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1841 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
1842 warn_singular_matrix (); |
10314
07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
1843 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10213
diff
changeset
|
1844 mattype.mark_as_rectangular (); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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10213
diff
changeset
|
1845 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
1846 else |
10314
07ebe522dac2
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John W. Eaton <jwe@octave.org>
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10213
diff
changeset
|
1847 { |
07ebe522dac2
untabify liboctave C++ sources
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10213
diff
changeset
|
1848 if (calc_cond) |
07ebe522dac2
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|
1849 { |
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|
1850 // Now calculate the condition number for |
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|
1851 // non-singular matrix. |
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untabify liboctave C++ sources
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|
1852 char job = '1'; |
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untabify liboctave C++ sources
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|
1853 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1), |
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strip trailing whitespace from source files
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|
1854 nc, tmp_data, nr, anorm, |
10314
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|
1855 rcon, pz, piz, info |
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untabify liboctave C++ sources
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|
1856 F77_CHAR_ARG_LEN (1))); |
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untabify liboctave C++ sources
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|
1857 |
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1858 if (info != 0) |
10314
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|
1859 info = -2; |
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changeset
|
1860 |
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untabify liboctave C++ sources
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changeset
|
1861 volatile float rcond_plus_one = rcon + 1.0; |
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untabify liboctave C++ sources
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|
1862 |
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changeset
|
1863 if (rcond_plus_one == 1.0 || xisnan (rcon)) |
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untabify liboctave C++ sources
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|
1864 { |
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|
1865 info = -2; |
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untabify liboctave C++ sources
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|
1866 |
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untabify liboctave C++ sources
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|
1867 if (sing_handler) |
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untabify liboctave C++ sources
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|
1868 sing_handler (rcon); |
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untabify liboctave C++ sources
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|
1869 else |
21112
358aa7fcbd33
Rename errwarn_singular_matrix to warn_singular_matrix.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
1870 warn_singular_matrix (rcon); |
10314
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|
1871 } |
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|
1872 } |
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|
1873 |
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|
1874 if (info == 0) |
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|
1875 { |
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|
1876 retval = b; |
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|
1877 float *result = retval.fortran_vec (); |
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untabify liboctave C++ sources
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|
1878 |
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untabify liboctave C++ sources
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|
1879 octave_idx_type b_nc = b.cols (); |
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untabify liboctave C++ sources
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|
1880 |
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|
1881 char job = 'N'; |
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untabify liboctave C++ sources
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|
1882 F77_XFCN (sgetrs, SGETRS, (F77_CONST_CHAR_ARG2 (&job, 1), |
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untabify liboctave C++ sources
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changeset
|
1883 nr, b_nc, tmp_data, nr, |
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Rik <octave@nomad.inbox5.com>
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1884 pipvt, result, b.rows (), info |
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|
1885 F77_CHAR_ARG_LEN (1))); |
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|
1886 } |
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|
1887 else |
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|
1888 mattype.mark_as_rectangular (); |
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|
1889 } |
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1890 } |
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1891 else if (typ != MatrixType::Hermitian) |
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1892 (*current_liboctave_error_handler) ("incorrect matrix type"); |
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|
1893 } |
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1894 |
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1895 return retval; |
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|
1896 } |
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|
1897 |
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|
1898 FloatMatrix |
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1899 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b) const |
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1900 { |
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1901 octave_idx_type info; |
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1902 float rcon; |
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1903 return solve (typ, b, info, rcon, 0); |
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1904 } |
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|
1905 |
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1906 FloatMatrix |
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1907 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, |
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1908 octave_idx_type& info) const |
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1909 { |
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1910 float rcon; |
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1911 return solve (typ, b, info, rcon, 0); |
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1912 } |
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|
1913 |
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1914 FloatMatrix |
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1915 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, |
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|
1916 octave_idx_type& info, float& rcon) const |
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|
1917 { |
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1918 return solve (typ, b, info, rcon, 0); |
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|
1919 } |
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|
1920 |
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|
1921 FloatMatrix |
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1922 FloatMatrix::solve (MatrixType &mattype, const FloatMatrix& b, |
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1923 octave_idx_type& info, |
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|
1924 float& rcon, solve_singularity_handler sing_handler, |
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1925 bool singular_fallback, blas_trans_type transt) const |
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|
1926 { |
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|
1927 FloatMatrix retval; |
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|
1928 int typ = mattype.type (); |
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|
1929 |
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1930 if (typ == MatrixType::Unknown) |
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|
1931 typ = mattype.type (*this); |
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|
1932 |
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1933 // Only calculate the condition number for LU/Cholesky |
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1934 if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper) |
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compute condition number when solving triangular systems (bug #43875)
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diff
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|
1935 retval = utsolve (mattype, b, info, rcon, sing_handler, true, transt); |
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1936 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower) |
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19408
diff
changeset
|
1937 retval = ltsolve (mattype, b, info, rcon, sing_handler, true, transt); |
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optimize / and '\ for triangular matrices
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|
1938 else if (transt == blas_trans || transt == blas_conj_trans) |
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1939 return transpose ().solve (mattype, b, info, rcon, sing_handler, |
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|
1940 singular_fallback); |
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|
1941 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian) |
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1942 retval = fsolve (mattype, b, info, rcon, sing_handler, true); |
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|
1943 else if (typ != MatrixType::Rectangular) |
21136
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21129
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|
1944 (*current_liboctave_error_handler) ("unknown matrix type"); |
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|
1945 |
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|
1946 // Rectangular or one of the above solvers flags a singular matrix |
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|
1947 if (singular_fallback && mattype.type () == MatrixType::Rectangular) |
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|
1948 { |
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|
1949 octave_idx_type rank; |
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|
1950 retval = lssolve (b, info, rank, rcon); |
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|
1951 } |
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|
1952 |
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|
1953 return retval; |
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|
1954 } |
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|
1955 |
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changeset
|
1956 FloatComplexMatrix |
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|
1957 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b) const |
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|
1958 { |
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|
1959 octave_idx_type info; |
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|
1960 float rcon; |
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|
1961 return solve (typ, b, info, rcon, 0); |
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|
1962 } |
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changeset
|
1963 |
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|
1964 FloatComplexMatrix |
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|
1965 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, |
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|
1966 octave_idx_type& info) const |
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|
1967 { |
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|
1968 float rcon; |
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|
1969 return solve (typ, b, info, rcon, 0); |
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changeset
|
1970 } |
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changeset
|
1971 |
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changeset
|
1972 FloatComplexMatrix |
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|
1973 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, |
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|
1974 octave_idx_type& info, |
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parents:
17744
diff
changeset
|
1975 float& rcon) const |
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1976 { |
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1977 return solve (typ, b, info, rcon, 0); |
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1978 } |
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|
1979 |
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|
1980 static FloatMatrix |
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1981 stack_complex_matrix (const FloatComplexMatrix& cm) |
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1982 { |
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1983 octave_idx_type m = cm.rows (); |
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1984 octave_idx_type n = cm.cols (); |
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Follow coding convention of defining and initializing only 1 variable per line in liboctave.
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1985 octave_idx_type nel = m*n; |
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1986 FloatMatrix retval (m, 2*n); |
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1987 const FloatComplex *cmd = cm.data (); |
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1988 float *rd = retval.fortran_vec (); |
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1989 for (octave_idx_type i = 0; i < nel; i++) |
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|
1990 { |
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parents:
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|
1991 rd[i] = std::real (cmd[i]); |
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further improve mixed real-complex division
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9661
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1992 rd[nel+i] = std::imag (cmd[i]); |
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|
1993 } |
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|
1994 return retval; |
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|
1995 } |
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|
1996 |
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|
1997 static FloatComplexMatrix |
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|
1998 unstack_complex_matrix (const FloatMatrix& sm) |
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1999 { |
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|
2000 octave_idx_type m = sm.rows (); |
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Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
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2001 octave_idx_type n = sm.cols () / 2; |
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Follow coding convention of defining and initializing only 1 variable per line in liboctave.
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parents:
18083
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|
2002 octave_idx_type nel = m*n; |
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|
2003 FloatComplexMatrix retval (m, n); |
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parents:
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|
2004 const float *smd = sm.data (); |
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|
2005 FloatComplex *rd = retval.fortran_vec (); |
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further improve mixed real-complex division
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parents:
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|
2006 for (octave_idx_type i = 0; i < nel; i++) |
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further improve mixed real-complex division
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parents:
9661
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|
2007 rd[i] = FloatComplex (smd[i], smd[nel+i]); |
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9661
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|
2008 return retval; |
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|
2009 } |
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|
2010 |
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diff
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|
2011 FloatComplexMatrix |
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|
2012 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, |
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parents:
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2013 octave_idx_type& info, |
49a5a4be04a1
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parents:
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|
2014 float& rcon, solve_singularity_handler sing_handler, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
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|
2015 bool singular_fallback, blas_trans_type transt) const |
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parents:
diff
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|
2016 { |
9662
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9661
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|
2017 FloatMatrix tmp = stack_complex_matrix (b); |
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parents:
9661
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|
2018 tmp = solve (typ, tmp, info, rcon, sing_handler, singular_fallback, transt); |
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further improve mixed real-complex division
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9661
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|
2019 return unstack_complex_matrix (tmp); |
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First attempt at single precision tyeps
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|
2020 } |
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First attempt at single precision tyeps
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|
2021 |
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First attempt at single precision tyeps
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diff
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|
2022 FloatColumnVector |
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parents:
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|
2023 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b) const |
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First attempt at single precision tyeps
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|
2024 { |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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|
2025 octave_idx_type info; float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
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|
2026 return solve (typ, b, info, rcon); |
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First attempt at single precision tyeps
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|
2027 } |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2028 |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
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|
2029 FloatColumnVector |
11586
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strip trailing whitespace from source files
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|
2030 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, |
17769
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17744
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|
2031 octave_idx_type& info) const |
7789
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First attempt at single precision tyeps
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parents:
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|
2032 { |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
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|
2033 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
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|
2034 return solve (typ, b, info, rcon); |
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First attempt at single precision tyeps
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|
2035 } |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2036 |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2037 FloatColumnVector |
17769
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2038 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2039 octave_idx_type& info, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
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|
2040 float& rcon) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
changeset
|
2041 { |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2042 return solve (typ, b, info, rcon, 0); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2043 } |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2044 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2045 FloatColumnVector |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2046 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2047 octave_idx_type& info, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2048 float& rcon, solve_singularity_handler sing_handler, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2049 blas_trans_type transt) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2050 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2051 FloatMatrix tmp (b); |
10352 | 2052 tmp = solve (typ, tmp, info, rcon, sing_handler, true, transt); |
15018
3d8ace26c5b4
maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2053 return tmp.column (static_cast<octave_idx_type> (0)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2054 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2055 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2056 FloatComplexColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2057 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2058 { |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2059 FloatComplexMatrix tmp (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2060 return tmp.solve (typ, b); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2061 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2062 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2063 FloatComplexColumnVector |
11586
12df7854fa7c
strip trailing whitespace from source files
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parents:
11574
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changeset
|
2064 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b, |
17769
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2065 octave_idx_type& info) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2066 { |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2067 FloatComplexMatrix tmp (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2068 return tmp.solve (typ, b, info); |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2069 } |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2070 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2071 FloatComplexColumnVector |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
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changeset
|
2072 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b, |
17769
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Rik <rik@octave.org>
parents:
17744
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|
2073 octave_idx_type& info, float& rcon) const |
7789
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2074 { |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2075 FloatComplexMatrix tmp (*this); |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2076 return tmp.solve (typ, b, info, rcon); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2077 } |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2078 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2079 FloatComplexColumnVector |
11586
12df7854fa7c
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parents:
11574
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changeset
|
2080 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b, |
17769
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Rik <rik@octave.org>
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17744
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|
2081 octave_idx_type& info, float& rcon, |
49a5a4be04a1
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parents:
17744
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|
2082 solve_singularity_handler sing_handler, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2083 blas_trans_type transt) const |
7789
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First attempt at single precision tyeps
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parents:
diff
changeset
|
2084 { |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2085 FloatComplexMatrix tmp (*this); |
15018
3d8ace26c5b4
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Rik <rik@octave.org>
parents:
14846
diff
changeset
|
2086 return tmp.solve (typ, b, info, rcon, sing_handler, transt); |
7789
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First attempt at single precision tyeps
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parents:
diff
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|
2087 } |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2088 |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2089 FloatMatrix |
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parents:
diff
changeset
|
2090 FloatMatrix::solve (const FloatMatrix& b) const |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
2091 { |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
2092 octave_idx_type info; |
7797
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Extend rcond function to single precision types
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parents:
7789
diff
changeset
|
2093 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
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parents:
7789
diff
changeset
|
2094 return solve (b, info, rcon, 0); |
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First attempt at single precision tyeps
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diff
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|
2095 } |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
2096 |
82be108cc558
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parents:
diff
changeset
|
2097 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
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parents:
diff
changeset
|
2098 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2099 { |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2100 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
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parents:
7789
diff
changeset
|
2101 return solve (b, info, rcon, 0); |
7789
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diff
changeset
|
2102 } |
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parents:
diff
changeset
|
2103 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
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|
2104 FloatMatrix |
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|
2105 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info, |
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|
2106 float& rcon) const |
7789
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First attempt at single precision tyeps
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|
2107 { |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
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diff
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|
2108 return solve (b, info, rcon, 0); |
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|
2109 } |
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First attempt at single precision tyeps
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diff
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|
2110 |
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David Bateman <dbateman@free.fr>
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diff
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|
2111 FloatMatrix |
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First attempt at single precision tyeps
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|
2112 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info, |
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Rik <rik@octave.org>
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|
2113 float& rcon, solve_singularity_handler sing_handler, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
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|
2114 blas_trans_type transt) const |
7789
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|
2115 { |
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First attempt at single precision tyeps
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|
2116 MatrixType mattype (*this); |
9661
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Jaroslav Hajek <highegg@gmail.com>
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9658
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|
2117 return solve (mattype, b, info, rcon, sing_handler, true, transt); |
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|
2118 } |
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|
2119 |
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|
2120 FloatComplexMatrix |
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David Bateman <dbateman@free.fr>
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|
2121 FloatMatrix::solve (const FloatComplexMatrix& b) const |
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|
2122 { |
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|
2123 FloatComplexMatrix tmp (*this); |
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|
2124 return tmp.solve (b); |
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|
2125 } |
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diff
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|
2126 |
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diff
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|
2127 FloatComplexMatrix |
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David Bateman <dbateman@free.fr>
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diff
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|
2128 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info) const |
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First attempt at single precision tyeps
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|
2129 { |
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|
2130 FloatComplexMatrix tmp (*this); |
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|
2131 return tmp.solve (b, info); |
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|
2132 } |
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|
2133 |
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|
2134 FloatComplexMatrix |
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Rik <rik@octave.org>
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|
2135 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, |
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Rik <rik@octave.org>
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|
2136 float& rcon) const |
7789
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First attempt at single precision tyeps
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diff
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|
2137 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
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|
2138 FloatComplexMatrix tmp (*this); |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
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|
2139 return tmp.solve (b, info, rcon); |
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|
2140 } |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
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|
2141 |
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David Bateman <dbateman@free.fr>
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|
2142 FloatComplexMatrix |
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Rik <rik@octave.org>
parents:
17744
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|
2143 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
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|
2144 float& rcon, |
49a5a4be04a1
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Rik <rik@octave.org>
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17744
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|
2145 solve_singularity_handler sing_handler, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
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|
2146 blas_trans_type transt) const |
7789
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
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|
2147 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
changeset
|
2148 FloatComplexMatrix tmp (*this); |
9661
afcf852256d2
optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
9658
diff
changeset
|
2149 return tmp.solve (b, info, rcon, sing_handler, transt); |
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David Bateman <dbateman@free.fr>
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|
2150 } |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
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|
2151 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
changeset
|
2152 FloatColumnVector |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
changeset
|
2153 FloatMatrix::solve (const FloatColumnVector& b) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2154 { |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
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|
2155 octave_idx_type info; float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
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|
2156 return solve (b, info, rcon); |
7789
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
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|
2157 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2158 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2159 FloatColumnVector |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
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|
2160 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
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|
2161 { |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
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|
2162 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2163 return solve (b, info, rcon); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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|
2164 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2165 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2166 FloatColumnVector |
17769
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Rik <rik@octave.org>
parents:
17744
diff
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|
2167 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
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|
2168 float& rcon) const |
7789
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
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|
2169 { |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2170 return solve (b, info, rcon, 0); |
7789
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
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|
2171 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2172 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2173 FloatColumnVector |
17769
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Rik <rik@octave.org>
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17744
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|
2174 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
2175 float& rcon, solve_singularity_handler sing_handler, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
2176 blas_trans_type transt) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2177 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2178 MatrixType mattype (*this); |
9661
afcf852256d2
optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
9658
diff
changeset
|
2179 return solve (mattype, b, info, rcon, sing_handler, transt); |
7789
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
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|
2180 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2181 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2182 FloatComplexColumnVector |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2183 FloatMatrix::solve (const FloatComplexColumnVector& b) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2184 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2185 FloatComplexMatrix tmp (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2186 return tmp.solve (b); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2187 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2188 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2189 FloatComplexColumnVector |
17769
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
2190 FloatMatrix::solve (const FloatComplexColumnVector& b, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
2191 octave_idx_type& info) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2192 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2193 FloatComplexMatrix tmp (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2194 return tmp.solve (b, info); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2195 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2196 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
changeset
|
2197 FloatComplexColumnVector |
17769
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
2198 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
2199 float& rcon) const |
7789
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
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|
2200 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
changeset
|
2201 FloatComplexMatrix tmp (*this); |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
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|
2202 return tmp.solve (b, info, rcon); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
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|
2203 } |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2204 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
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|
2205 FloatComplexColumnVector |
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Rik <rik@octave.org>
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17744
diff
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|
2206 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
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|
2207 float& rcon, solve_singularity_handler sing_handler, |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
2208 blas_trans_type transt) const |
7789
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David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2209 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2210 FloatComplexMatrix tmp (*this); |
9661
afcf852256d2
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Jaroslav Hajek <highegg@gmail.com>
parents:
9658
diff
changeset
|
2211 return tmp.solve (b, info, rcon, sing_handler, transt); |
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diff
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|
2212 } |
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First attempt at single precision tyeps
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parents:
diff
changeset
|
2213 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
changeset
|
2214 FloatMatrix |
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diff
changeset
|
2215 FloatMatrix::lssolve (const FloatMatrix& b) const |
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diff
changeset
|
2216 { |
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First attempt at single precision tyeps
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diff
changeset
|
2217 octave_idx_type info; |
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diff
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|
2218 octave_idx_type rank; |
7797
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Extend rcond function to single precision types
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7789
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|
2219 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
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7789
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changeset
|
2220 return lssolve (b, info, rank, rcon); |
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First attempt at single precision tyeps
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diff
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|
2221 } |
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First attempt at single precision tyeps
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diff
changeset
|
2222 |
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diff
changeset
|
2223 FloatMatrix |
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diff
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|
2224 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info) const |
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diff
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|
2225 { |
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diff
changeset
|
2226 octave_idx_type rank; |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
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7789
diff
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|
2227 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
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parents:
7789
diff
changeset
|
2228 return lssolve (b, info, rank, rcon); |
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diff
changeset
|
2229 } |
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parents:
diff
changeset
|
2230 |
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diff
changeset
|
2231 FloatMatrix |
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parents:
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|
2232 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info, |
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Rik <rik@octave.org>
parents:
17744
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|
2233 octave_idx_type& rank) const |
7789
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2234 { |
7797
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Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2235 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
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parents:
7789
diff
changeset
|
2236 return lssolve (b, info, rank, rcon); |
7789
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First attempt at single precision tyeps
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|
2237 } |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2238 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2239 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2240 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2241 octave_idx_type& rank, float &rcon) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2242 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2243 FloatMatrix retval; |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2244 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2245 octave_idx_type nrhs = b.cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2246 |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2247 octave_idx_type m = rows (); |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2248 octave_idx_type n = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2249 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2250 if (m != b.rows ()) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2251 (*current_liboctave_error_handler) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2252 ("matrix dimension mismatch solution of linear equations"); |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
2253 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
2254 if (m == 0 || n == 0 || b.cols () == 0) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2255 retval = FloatMatrix (n, b.cols (), 0.0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2256 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2257 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2258 volatile octave_idx_type minmn = (m < n ? m : n); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2259 octave_idx_type maxmn = m > n ? m : n; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2260 rcon = -1.0; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2261 if (m != n) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2262 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2263 retval = FloatMatrix (maxmn, nrhs, 0.0); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2264 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2265 for (octave_idx_type j = 0; j < nrhs; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2266 for (octave_idx_type i = 0; i < m; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2267 retval.elem (i, j) = b.elem (i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2268 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2269 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2270 retval = b; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2271 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2272 FloatMatrix atmp = *this; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2273 float *tmp_data = atmp.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2274 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2275 float *pretval = retval.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
2276 Array<float> s (dim_vector (minmn, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2277 float *ps = s.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2278 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2279 // Ask DGELSD what the dimension of WORK should be. |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2280 octave_idx_type lwork = -1; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2281 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
2282 Array<float> work (dim_vector (1, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2283 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2284 octave_idx_type smlsiz; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2285 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6), |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2286 F77_CONST_CHAR_ARG2 (" ", 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2287 0, 0, 0, 0, smlsiz |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2288 F77_CHAR_ARG_LEN (6) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2289 F77_CHAR_ARG_LEN (1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2290 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2291 octave_idx_type mnthr; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2292 F77_FUNC (xilaenv, XILAENV) (6, F77_CONST_CHAR_ARG2 ("SGELSD", 6), |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2293 F77_CONST_CHAR_ARG2 (" ", 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2294 m, n, nrhs, -1, mnthr |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2295 F77_CHAR_ARG_LEN (6) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2296 F77_CHAR_ARG_LEN (1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2297 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2298 // We compute the size of iwork because DGELSD in older versions |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2299 // of LAPACK does not return it on a query call. |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2300 float dminmn = static_cast<float> (minmn); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2301 float dsmlsizp1 = static_cast<float> (smlsiz+1); |
18847
ff4da3c8ed16
use gnulib log2 modules (bug #42583)
John W. Eaton <jwe@octave.org>
parents:
17769
diff
changeset
|
2302 float tmp = xlog2 (dminmn / dsmlsizp1); |
ff4da3c8ed16
use gnulib log2 modules (bug #42583)
John W. Eaton <jwe@octave.org>
parents:
17769
diff
changeset
|
2303 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2304 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2305 if (nlvl < 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2306 nlvl = 0; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2307 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2308 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2309 if (liwork < 1) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2310 liwork = 1; |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
2311 Array<octave_idx_type> iwork (dim_vector (liwork, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2312 octave_idx_type* piwork = iwork.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2313 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2314 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2315 ps, rcon, rank, work.fortran_vec (), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2316 lwork, piwork, info)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2317 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2318 // The workspace query is broken in at least LAPACK 3.0.0 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2319 // through 3.1.1 when n >= mnthr. The obtuse formula below |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2320 // should provide sufficient workspace for DGELSD to operate |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2321 // efficiently. |
10813
2c2d4a2f1047
fix workspace bug workaround for xGELSD (since 7486:6a6d2abe51ff)
Jaroslav Hajek <highegg@gmail.com>
parents:
10806
diff
changeset
|
2322 if (n > m && n >= mnthr) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2323 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2324 const octave_idx_type wlalsd |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2325 = 9*m + 2*m*smlsiz + 8*m*nlvl + m*nrhs + (smlsiz+1)*(smlsiz+1); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2326 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2327 octave_idx_type addend = m; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2328 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2329 if (2*m-4 > addend) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2330 addend = 2*m-4; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2331 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2332 if (nrhs > addend) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2333 addend = nrhs; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2334 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2335 if (n-3*m > addend) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2336 addend = n-3*m; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2337 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2338 if (wlalsd > addend) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2339 addend = wlalsd; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2340 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2341 const octave_idx_type lworkaround = 4*m + m*m + addend; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2342 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2343 if (work(0) < lworkaround) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2344 work(0) = lworkaround; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2345 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2346 else if (m >= n) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2347 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2348 octave_idx_type lworkaround |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2349 = 12*n + 2*n*smlsiz + 8*n*nlvl + n*nrhs + (smlsiz+1)*(smlsiz+1); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2350 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2351 if (work(0) < lworkaround) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2352 work(0) = lworkaround; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2353 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2354 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2355 lwork = static_cast<octave_idx_type> (work(0)); |
11574
a83bad07f7e3
attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents:
11570
diff
changeset
|
2356 work.resize (dim_vector (lwork, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2357 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2358 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2359 maxmn, ps, rcon, rank, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2360 work.fortran_vec (), lwork, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2361 piwork, info)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2362 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2363 if (s.elem (0) == 0.0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2364 rcon = 0.0; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2365 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2366 rcon = s.elem (minmn - 1) / s.elem (0); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2367 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2368 retval.resize (n, nrhs); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2369 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2370 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2371 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2372 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2373 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2374 FloatComplexMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2375 FloatMatrix::lssolve (const FloatComplexMatrix& b) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2376 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2377 FloatComplexMatrix tmp (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2378 octave_idx_type info; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2379 octave_idx_type rank; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2380 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2381 return tmp.lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2382 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2383 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2384 FloatComplexMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2385 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2386 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2387 FloatComplexMatrix tmp (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2388 octave_idx_type rank; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2389 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2390 return tmp.lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2391 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2392 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2393 FloatComplexMatrix |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2394 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2395 octave_idx_type& rank) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2396 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2397 FloatComplexMatrix tmp (*this); |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2398 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2399 return tmp.lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2400 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2401 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2402 FloatComplexMatrix |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2403 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2404 octave_idx_type& rank, float& rcon) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2405 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2406 FloatComplexMatrix tmp (*this); |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2407 return tmp.lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2408 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2409 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2410 FloatColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2411 FloatMatrix::lssolve (const FloatColumnVector& b) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2412 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2413 octave_idx_type info; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2414 octave_idx_type rank; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2415 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2416 return lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2417 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2418 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2419 FloatColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2420 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2421 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2422 octave_idx_type rank; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2423 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2424 return lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2425 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2426 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2427 FloatColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2428 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2429 octave_idx_type& rank) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2430 { |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2431 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2432 return lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2433 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2434 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2435 FloatColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2436 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2437 octave_idx_type& rank, float &rcon) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2438 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2439 FloatColumnVector retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2440 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2441 octave_idx_type nrhs = 1; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2442 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2443 octave_idx_type m = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2444 octave_idx_type n = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2445 |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
2446 if (m != b.numel ()) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2447 (*current_liboctave_error_handler) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2448 ("matrix dimension mismatch solution of linear equations"); |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
2449 |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
2450 if (m == 0 || n == 0) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2451 retval = FloatColumnVector (n, 0.0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2452 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2453 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2454 volatile octave_idx_type minmn = (m < n ? m : n); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2455 octave_idx_type maxmn = m > n ? m : n; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2456 rcon = -1.0; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2457 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2458 if (m != n) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2459 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2460 retval = FloatColumnVector (maxmn, 0.0); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2461 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2462 for (octave_idx_type i = 0; i < m; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2463 retval.elem (i) = b.elem (i); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2464 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2465 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2466 retval = b; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2467 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2468 FloatMatrix atmp = *this; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2469 float *tmp_data = atmp.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2470 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2471 float *pretval = retval.fortran_vec (); |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
2472 Array<float> s (dim_vector (minmn, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2473 float *ps = s.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2474 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2475 // Ask DGELSD what the dimension of WORK should be. |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2476 octave_idx_type lwork = -1; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2477 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
2478 Array<float> work (dim_vector (1, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2479 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2480 octave_idx_type smlsiz; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2481 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6), |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2482 F77_CONST_CHAR_ARG2 (" ", 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2483 0, 0, 0, 0, smlsiz |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2484 F77_CHAR_ARG_LEN (6) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2485 F77_CHAR_ARG_LEN (1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2486 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2487 // We compute the size of iwork because DGELSD in older versions |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2488 // of LAPACK does not return it on a query call. |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2489 float dminmn = static_cast<float> (minmn); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2490 float dsmlsizp1 = static_cast<float> (smlsiz+1); |
18847
ff4da3c8ed16
use gnulib log2 modules (bug #42583)
John W. Eaton <jwe@octave.org>
parents:
17769
diff
changeset
|
2491 float tmp = xlog2 (dminmn / dsmlsizp1); |
ff4da3c8ed16
use gnulib log2 modules (bug #42583)
John W. Eaton <jwe@octave.org>
parents:
17769
diff
changeset
|
2492 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2493 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2494 if (nlvl < 0) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2495 nlvl = 0; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2496 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2497 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2498 if (liwork < 1) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2499 liwork = 1; |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
2500 Array<octave_idx_type> iwork (dim_vector (liwork, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2501 octave_idx_type* piwork = iwork.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2502 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2503 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2504 ps, rcon, rank, work.fortran_vec (), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2505 lwork, piwork, info)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2506 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2507 lwork = static_cast<octave_idx_type> (work(0)); |
11574
a83bad07f7e3
attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents:
11570
diff
changeset
|
2508 work.resize (dim_vector (lwork, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2509 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2510 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2511 maxmn, ps, rcon, rank, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2512 work.fortran_vec (), lwork, |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2513 piwork, info)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2514 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2515 if (rank < minmn) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2516 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2517 if (s.elem (0) == 0.0) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2518 rcon = 0.0; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2519 else |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2520 rcon = s.elem (minmn - 1) / s.elem (0); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2521 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2522 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2523 retval.resize (n, nrhs); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2524 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2525 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2526 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2527 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2528 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2529 FloatComplexColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2530 FloatMatrix::lssolve (const FloatComplexColumnVector& b) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2531 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2532 FloatComplexMatrix tmp (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2533 octave_idx_type info; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2534 octave_idx_type rank; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2535 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2536 return tmp.lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2537 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2538 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2539 FloatComplexColumnVector |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2540 FloatMatrix::lssolve (const FloatComplexColumnVector& b, |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2541 octave_idx_type& info) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2542 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2543 FloatComplexMatrix tmp (*this); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2544 octave_idx_type rank; |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2545 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2546 return tmp.lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2547 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2548 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2549 FloatComplexColumnVector |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2550 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2551 octave_idx_type& rank) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2552 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2553 FloatComplexMatrix tmp (*this); |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2554 float rcon; |
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2555 return tmp.lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2556 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2557 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2558 FloatComplexColumnVector |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2559 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info, |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2560 octave_idx_type& rank, float &rcon) const |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2561 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2562 FloatComplexMatrix tmp (*this); |
7797
f42c6f8d6d8e
Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
2563 return tmp.lssolve (b, info, rank, rcon); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2564 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2565 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2566 FloatMatrix& |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2567 FloatMatrix::operator += (const FloatDiagMatrix& a) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2568 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2569 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2570 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2571 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2572 octave_idx_type a_nr = a.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2573 octave_idx_type a_nc = a.cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2574 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2575 if (nr != a_nr || nc != a_nc) |
21129
228b65504557
maint: Eliminate useless statements after err_XXX.
Rik <rik@octave.org>
parents:
21120
diff
changeset
|
2576 err_nonconformant ("operator +=", nr, nc, a_nr, a_nc); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2577 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2578 for (octave_idx_type i = 0; i < a.length (); i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2579 elem (i, i) += a.elem (i, i); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2580 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2581 return *this; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2582 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2583 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2584 FloatMatrix& |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2585 FloatMatrix::operator -= (const FloatDiagMatrix& a) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2586 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2587 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2588 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2589 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2590 octave_idx_type a_nr = a.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2591 octave_idx_type a_nc = a.cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2592 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2593 if (nr != a_nr || nc != a_nc) |
21129
228b65504557
maint: Eliminate useless statements after err_XXX.
Rik <rik@octave.org>
parents:
21120
diff
changeset
|
2594 err_nonconformant ("operator -=", nr, nc, a_nr, a_nc); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2595 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2596 for (octave_idx_type i = 0; i < a.length (); i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2597 elem (i, i) -= a.elem (i, i); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2598 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2599 return *this; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2600 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2601 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2602 // column vector by row vector -> matrix operations |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2603 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2604 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2605 operator * (const FloatColumnVector& v, const FloatRowVector& a) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2606 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2607 FloatMatrix retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2608 |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
2609 octave_idx_type len = v.numel (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2610 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2611 if (len != 0) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2612 { |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
2613 octave_idx_type a_len = a.numel (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2614 |
9359
be6867ba8104
avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents:
9227
diff
changeset
|
2615 retval = FloatMatrix (len, a_len); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2616 float *c = retval.fortran_vec (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2617 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2618 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 ("N", 1), |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2619 F77_CONST_CHAR_ARG2 ("N", 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2620 len, a_len, 1, 1.0, v.data (), len, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2621 a.data (), 1, 0.0, c, len |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2622 F77_CHAR_ARG_LEN (1) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2623 F77_CHAR_ARG_LEN (1))); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2624 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2625 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2626 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2627 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2628 |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2629 // FIXME: Do these really belong here? Maybe they should be in a base class? |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2630 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2631 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2632 FloatMatrix::cumprod (int dim) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2633 { |
19321
3746b92739f7
Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents:
19320
diff
changeset
|
2634 return FloatNDArray::cumprod (dim); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2635 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2636 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2637 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2638 FloatMatrix::cumsum (int dim) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2639 { |
19321
3746b92739f7
Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents:
19320
diff
changeset
|
2640 return FloatNDArray::cumsum (dim); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2641 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2642 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2643 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2644 FloatMatrix::prod (int dim) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2645 { |
19321
3746b92739f7
Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents:
19320
diff
changeset
|
2646 return FloatNDArray::prod (dim); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2647 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2648 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2649 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2650 FloatMatrix::sum (int dim) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2651 { |
19321
3746b92739f7
Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents:
19320
diff
changeset
|
2652 return FloatNDArray::sum (dim); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2653 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2654 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2655 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2656 FloatMatrix::sumsq (int dim) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2657 { |
19321
3746b92739f7
Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents:
19320
diff
changeset
|
2658 return FloatNDArray::sumsq (dim); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2659 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2660 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2661 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2662 FloatMatrix::abs (void) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2663 { |
19321
3746b92739f7
Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents:
19320
diff
changeset
|
2664 return FloatNDArray::abs (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2665 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2666 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2667 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2668 FloatMatrix::diag (octave_idx_type k) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2669 { |
19321
3746b92739f7
Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents:
19320
diff
changeset
|
2670 return FloatNDArray::diag (k); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2671 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2672 |
14557
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2673 FloatDiagMatrix |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2674 FloatMatrix::diag (octave_idx_type m, octave_idx_type n) const |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2675 { |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2676 FloatDiagMatrix retval; |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2677 |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2678 octave_idx_type nr = rows (); |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2679 octave_idx_type nc = cols (); |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2680 |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2681 if (nr == 1 || nc == 1) |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2682 retval = FloatDiagMatrix (*this, m, n); |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2683 else |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
2684 (*current_liboctave_error_handler) ("diag: expecting vector argument"); |
14557
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2685 |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2686 return retval; |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2687 } |
e8e86ae3abbc
make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents:
14427
diff
changeset
|
2688 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2689 FloatColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2690 FloatMatrix::row_min (void) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2691 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2692 Array<octave_idx_type> dummy_idx; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2693 return row_min (dummy_idx); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2694 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2695 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2696 FloatColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2697 FloatMatrix::row_min (Array<octave_idx_type>& idx_arg) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2698 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2699 FloatColumnVector result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2700 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2701 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2702 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2703 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2704 if (nr > 0 && nc > 0) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2705 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2706 result.resize (nr); |
11574
a83bad07f7e3
attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents:
11570
diff
changeset
|
2707 idx_arg.resize (dim_vector (nr, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2708 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2709 for (octave_idx_type i = 0; i < nr; i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2710 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2711 octave_idx_type idx_j; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2712 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2713 float tmp_min = octave_Float_NaN; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2714 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2715 for (idx_j = 0; idx_j < nc; idx_j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2716 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2717 tmp_min = elem (i, idx_j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2718 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2719 if (! xisnan (tmp_min)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2720 break; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2721 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2722 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2723 for (octave_idx_type j = idx_j+1; j < nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2724 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2725 float tmp = elem (i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2726 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2727 if (xisnan (tmp)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2728 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2729 else if (tmp < tmp_min) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2730 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2731 idx_j = j; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2732 tmp_min = tmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2733 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2734 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2735 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2736 result.elem (i) = tmp_min; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2737 idx_arg.elem (i) = xisnan (tmp_min) ? 0 : idx_j; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2738 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2739 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2740 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2741 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2742 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2743 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2744 FloatColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2745 FloatMatrix::row_max (void) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2746 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2747 Array<octave_idx_type> dummy_idx; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2748 return row_max (dummy_idx); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2749 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2750 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2751 FloatColumnVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2752 FloatMatrix::row_max (Array<octave_idx_type>& idx_arg) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2753 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2754 FloatColumnVector result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2755 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2756 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2757 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2758 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2759 if (nr > 0 && nc > 0) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2760 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2761 result.resize (nr); |
11574
a83bad07f7e3
attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents:
11570
diff
changeset
|
2762 idx_arg.resize (dim_vector (nr, 1)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2763 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2764 for (octave_idx_type i = 0; i < nr; i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2765 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2766 octave_idx_type idx_j; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2767 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2768 float tmp_max = octave_Float_NaN; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2769 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2770 for (idx_j = 0; idx_j < nc; idx_j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2771 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2772 tmp_max = elem (i, idx_j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2773 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2774 if (! xisnan (tmp_max)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2775 break; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2776 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2777 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2778 for (octave_idx_type j = idx_j+1; j < nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2779 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2780 float tmp = elem (i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2781 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2782 if (xisnan (tmp)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2783 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2784 else if (tmp > tmp_max) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2785 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2786 idx_j = j; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2787 tmp_max = tmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2788 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2789 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2790 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2791 result.elem (i) = tmp_max; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2792 idx_arg.elem (i) = xisnan (tmp_max) ? 0 : idx_j; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2793 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2794 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2795 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2796 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2797 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2798 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2799 FloatRowVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2800 FloatMatrix::column_min (void) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2801 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2802 Array<octave_idx_type> dummy_idx; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2803 return column_min (dummy_idx); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2804 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2805 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2806 FloatRowVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2807 FloatMatrix::column_min (Array<octave_idx_type>& idx_arg) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2808 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2809 FloatRowVector result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2810 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2811 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2812 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2813 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2814 if (nr > 0 && nc > 0) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2815 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2816 result.resize (nc); |
11574
a83bad07f7e3
attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents:
11570
diff
changeset
|
2817 idx_arg.resize (dim_vector (1, nc)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2818 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2819 for (octave_idx_type j = 0; j < nc; j++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2820 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2821 octave_idx_type idx_i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2822 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2823 float tmp_min = octave_Float_NaN; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2824 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2825 for (idx_i = 0; idx_i < nr; idx_i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2826 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2827 tmp_min = elem (idx_i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2828 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2829 if (! xisnan (tmp_min)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2830 break; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2831 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2832 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2833 for (octave_idx_type i = idx_i+1; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2834 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2835 float tmp = elem (i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2836 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2837 if (xisnan (tmp)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2838 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2839 else if (tmp < tmp_min) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2840 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2841 idx_i = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2842 tmp_min = tmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2843 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2844 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2845 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2846 result.elem (j) = tmp_min; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2847 idx_arg.elem (j) = xisnan (tmp_min) ? 0 : idx_i; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2848 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2849 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2850 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2851 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2852 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2853 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2854 FloatRowVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2855 FloatMatrix::column_max (void) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2856 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2857 Array<octave_idx_type> dummy_idx; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2858 return column_max (dummy_idx); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2859 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2860 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2861 FloatRowVector |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2862 FloatMatrix::column_max (Array<octave_idx_type>& idx_arg) const |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2863 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2864 FloatRowVector result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2865 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2866 octave_idx_type nr = rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2867 octave_idx_type nc = cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2868 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2869 if (nr > 0 && nc > 0) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2870 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2871 result.resize (nc); |
11574
a83bad07f7e3
attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents:
11570
diff
changeset
|
2872 idx_arg.resize (dim_vector (1, nc)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2873 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2874 for (octave_idx_type j = 0; j < nc; j++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2875 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2876 octave_idx_type idx_i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2877 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2878 float tmp_max = octave_Float_NaN; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2879 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2880 for (idx_i = 0; idx_i < nr; idx_i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2881 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2882 tmp_max = elem (idx_i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2883 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2884 if (! xisnan (tmp_max)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2885 break; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2886 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2887 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2888 for (octave_idx_type i = idx_i+1; i < nr; i++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2889 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2890 float tmp = elem (i, j); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2891 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2892 if (xisnan (tmp)) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2893 continue; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2894 else if (tmp > tmp_max) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2895 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2896 idx_i = i; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2897 tmp_max = tmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2898 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2899 } |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2900 |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2901 result.elem (j) = tmp_max; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2902 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_i; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2903 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2904 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2905 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2906 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2907 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2908 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2909 std::ostream& |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2910 operator << (std::ostream& os, const FloatMatrix& a) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2911 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2912 for (octave_idx_type i = 0; i < a.rows (); i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2913 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2914 for (octave_idx_type j = 0; j < a.cols (); j++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2915 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2916 os << " "; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2917 octave_write_float (os, a.elem (i, j)); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2918 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2919 os << "\n"; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2920 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2921 return os; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2922 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2923 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2924 std::istream& |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2925 operator >> (std::istream& is, FloatMatrix& a) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2926 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2927 octave_idx_type nr = a.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2928 octave_idx_type nc = a.cols (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2929 |
8999
dc07bc4157b8
allow empty matrices in stream input operators
Jaroslav Hajek <highegg@gmail.com>
parents:
8956
diff
changeset
|
2930 if (nr > 0 && nc > 0) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2931 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2932 float tmp; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2933 for (octave_idx_type i = 0; i < nr; i++) |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2934 for (octave_idx_type j = 0; j < nc; j++) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2935 { |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2936 tmp = octave_read_value<float> (is); |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2937 if (is) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2938 a.elem (i, j) = tmp; |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2939 else |
21169
40051830f89b
maint: Replace more instances of goto in liboctave with other constructs.
Rik <rik@octave.org>
parents:
21136
diff
changeset
|
2940 return is; |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
2941 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2942 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2943 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2944 return is; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2945 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2946 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2947 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2948 Givens (float x, float y) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2949 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2950 float cc, s, temp_r; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2951 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2952 F77_FUNC (slartg, SLARTG) (x, y, cc, s, temp_r); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2953 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2954 FloatMatrix g (2, 2); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2955 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2956 g.elem (0, 0) = cc; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2957 g.elem (1, 1) = cc; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2958 g.elem (0, 1) = s; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2959 g.elem (1, 0) = -s; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2960 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2961 return g; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2962 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2963 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2964 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2965 Sylvester (const FloatMatrix& a, const FloatMatrix& b, const FloatMatrix& c) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2966 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2967 FloatMatrix retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2968 |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2969 // FIXME: need to check that a, b, and c are all the same size. |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2970 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2971 // Compute Schur decompositions. |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2972 |
21266
e69eaee28737
make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents:
21202
diff
changeset
|
2973 schur<FloatMatrix> as (a, "U"); |
e69eaee28737
make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents:
21202
diff
changeset
|
2974 schur<FloatMatrix> bs (b, "U"); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2975 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2976 // Transform c to new coordinates. |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2977 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2978 FloatMatrix ua = as.unitary_matrix (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2979 FloatMatrix sch_a = as.schur_matrix (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2980 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2981 FloatMatrix ub = bs.unitary_matrix (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2982 FloatMatrix sch_b = bs.schur_matrix (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2983 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2984 FloatMatrix cx = ua.transpose () * c * ub; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2985 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2986 // Solve the sylvester equation, back-transform, and return the |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2987 // solution. |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2988 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2989 octave_idx_type a_nr = a.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2990 octave_idx_type b_nr = b.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2991 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2992 float scale; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2993 octave_idx_type info; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2994 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2995 float *pa = sch_a.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2996 float *pb = sch_b.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2997 float *px = cx.fortran_vec (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2998 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2999 F77_XFCN (strsyl, STRSYL, (F77_CONST_CHAR_ARG2 ("N", 1), |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3000 F77_CONST_CHAR_ARG2 ("N", 1), |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3001 1, a_nr, b_nr, pa, a_nr, pb, |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3002 b_nr, px, a_nr, scale, info |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3003 F77_CHAR_ARG_LEN (1) |
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3004 F77_CHAR_ARG_LEN (1))); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3005 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3006 |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3007 // FIXME: check info? |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3008 |
19065
d20c81d3cd21
Deprecate syl, add new function sylvester.
Rik <rik@octave.org>
parents:
18850
diff
changeset
|
3009 retval = ua*cx*ub.transpose (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3010 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3011 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3012 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3013 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3014 // matrix by matrix -> matrix operations |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3015 |
14427
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3016 /* |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3017 ## Simple Dot Product, Matrix-Vector, and Matrix-Matrix Unit tests |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3018 %!assert (single ([1 2 3]) * single ([ 4 ; 5 ; 6]), single (32), 5e-7) |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3019 %!assert (single ([1 2 ; 3 4]) * single ([5 ; 6]), single ([17 ; 39]), 5e-7) |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3020 %!assert (single ([1 2 ; 3 4]) * single ([5 6 ; 7 8]), single ([19 22; 43 50]), 5e-7) |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3021 |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3022 ## Test some simple identities |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3023 %!shared M, cv, rv |
14427
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3024 %! M = single (randn (10,10)); |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3025 %! cv = single (randn (10,1)); |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3026 %! rv = single (randn (1,10)); |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3027 %!assert ([M*cv,M*cv], M*[cv,cv], 5e-6) |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3028 %!assert ([M'*cv,M'*cv], M'*[cv,cv], 5e-6) |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3029 %!assert ([rv*M;rv*M], [rv;rv]*M, 5e-6) |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3030 %!assert ([rv*M';rv*M'], [rv;rv]*M', 5e-6) |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3031 %!assert (2*rv*cv, [rv,rv]*[cv;cv], 5e-6) |
d07e989686b0
Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
3032 |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3033 */ |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3034 |
11516 | 3035 static char |
7804
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3036 get_blas_trans_arg (bool trans) |
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3037 { |
11516 | 3038 return trans ? 'T' : 'N'; |
7804
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3039 } |
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3040 |
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3041 // the general GEMM operation |
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3042 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3043 FloatMatrix |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3044 xgemm (const FloatMatrix& a, const FloatMatrix& b, |
9665
1dba57e9d08d
use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents:
9662
diff
changeset
|
3045 blas_trans_type transa, blas_trans_type transb) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3046 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3047 FloatMatrix retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3048 |
18084
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
3049 bool tra = transa != blas_no_trans; |
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents:
18083
diff
changeset
|
3050 bool trb = transb != blas_no_trans; |
9665
1dba57e9d08d
use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents:
9662
diff
changeset
|
3051 |
1dba57e9d08d
use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents:
9662
diff
changeset
|
3052 octave_idx_type a_nr = tra ? a.cols () : a.rows (); |
1dba57e9d08d
use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents:
9662
diff
changeset
|
3053 octave_idx_type a_nc = tra ? a.rows () : a.cols (); |
1dba57e9d08d
use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents:
9662
diff
changeset
|
3054 |
1dba57e9d08d
use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents:
9662
diff
changeset
|
3055 octave_idx_type b_nr = trb ? b.cols () : b.rows (); |
1dba57e9d08d
use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents:
9662
diff
changeset
|
3056 octave_idx_type b_nc = trb ? b.rows () : b.cols (); |
7804
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3057 |
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3058 if (a_nc != b_nr) |
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
20955
diff
changeset
|
3059 err_nonconformant ("operator *", a_nr, a_nc, b_nr, b_nc); |
21120
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3060 |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3061 if (a_nr == 0 || a_nc == 0 || b_nc == 0) |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3062 retval = FloatMatrix (a_nr, b_nc, 0.0); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3063 else if (a.data () == b.data () && a_nr == b_nc && tra != trb) |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3064 { |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3065 octave_idx_type lda = a.rows (); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3066 |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3067 retval = FloatMatrix (a_nr, b_nc); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3068 float *c = retval.fortran_vec (); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3069 |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3070 const char ctra = get_blas_trans_arg (tra); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3071 F77_XFCN (ssyrk, SSYRK, (F77_CONST_CHAR_ARG2 ("U", 1), |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3072 F77_CONST_CHAR_ARG2 (&ctra, 1), |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3073 a_nr, a_nc, 1.0, |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3074 a.data (), lda, 0.0, c, a_nr |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3075 F77_CHAR_ARG_LEN (1) |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3076 F77_CHAR_ARG_LEN (1))); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3077 for (int j = 0; j < a_nr; j++) |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3078 for (int i = 0; i < j; i++) |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3079 retval.xelem (j,i) = retval.xelem (i,j); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3080 |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3081 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3082 else |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3083 { |
21120
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3084 octave_idx_type lda = a.rows (); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3085 octave_idx_type tda = a.cols (); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3086 octave_idx_type ldb = b.rows (); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3087 octave_idx_type tdb = b.cols (); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3088 |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3089 retval = FloatMatrix (a_nr, b_nc); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3090 float *c = retval.fortran_vec (); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3091 |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3092 if (b_nc == 1) |
7804
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3093 { |
21120
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3094 if (a_nr == 1) |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3095 F77_FUNC (xsdot, XSDOT) (a_nc, a.data (), 1, b.data (), 1, *c); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3096 else |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3097 { |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3098 const char ctra = get_blas_trans_arg (tra); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3099 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (&ctra, 1), |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3100 lda, tda, 1.0, a.data (), lda, |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3101 b.data (), 1, 0.0, c, 1 |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3102 F77_CHAR_ARG_LEN (1))); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3103 } |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3104 } |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3105 else if (a_nr == 1) |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3106 { |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3107 const char crevtrb = get_blas_trans_arg (! trb); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3108 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (&crevtrb, 1), |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3109 ldb, tdb, 1.0, b.data (), ldb, |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3110 a.data (), 1, 0.0, c, 1 |
7804
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3111 F77_CHAR_ARG_LEN (1))); |
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3112 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3113 else |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3114 { |
21120
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3115 const char ctra = get_blas_trans_arg (tra); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3116 const char ctrb = get_blas_trans_arg (trb); |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3117 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 (&ctra, 1), |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3118 F77_CONST_CHAR_ARG2 (&ctrb, 1), |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3119 a_nr, b_nc, a_nc, 1.0, a.data (), |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3120 lda, b.data (), ldb, 0.0, c, a_nr |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3121 F77_CHAR_ARG_LEN (1) |
499b851fbfae
Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents:
21112
diff
changeset
|
3122 F77_CHAR_ARG_LEN (1))); |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3123 } |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3124 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3125 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3126 return retval; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3127 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3128 |
7804
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3129 FloatMatrix |
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3130 operator * (const FloatMatrix& a, const FloatMatrix& b) |
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3131 { |
9665
1dba57e9d08d
use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents:
9662
diff
changeset
|
3132 return xgemm (a, b); |
7804
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3133 } |
a0c550b22e61
compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
7797
diff
changeset
|
3134 |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3135 // FIXME: it would be nice to share code among the min/max functions below. |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3136 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3137 #define EMPTY_RETURN_CHECK(T) \ |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3138 if (nr == 0 || nc == 0) \ |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3139 return T (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3140 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3141 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3142 min (float d, const FloatMatrix& m) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3143 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3144 octave_idx_type nr = m.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3145 octave_idx_type nc = m.columns (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3146 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3147 EMPTY_RETURN_CHECK (FloatMatrix); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3148 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3149 FloatMatrix result (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3150 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3151 for (octave_idx_type j = 0; j < nc; j++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3152 for (octave_idx_type i = 0; i < nr; i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3153 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3154 octave_quit (); |
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
17769
diff
changeset
|
3155 result(i, j) = xmin (d, m(i, j)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3156 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3157 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3158 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3159 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3160 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3161 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3162 min (const FloatMatrix& m, float d) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3163 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3164 octave_idx_type nr = m.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3165 octave_idx_type nc = m.columns (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3166 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3167 EMPTY_RETURN_CHECK (FloatMatrix); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3168 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3169 FloatMatrix result (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3170 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3171 for (octave_idx_type j = 0; j < nc; j++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3172 for (octave_idx_type i = 0; i < nr; i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3173 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3174 octave_quit (); |
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
17769
diff
changeset
|
3175 result(i, j) = xmin (m(i, j), d); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3176 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3177 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3178 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3179 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3180 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3181 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3182 min (const FloatMatrix& a, const FloatMatrix& b) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3183 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3184 octave_idx_type nr = a.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3185 octave_idx_type nc = a.columns (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3186 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3187 if (nr != b.rows () || nc != b.columns ()) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
3188 (*current_liboctave_error_handler) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
3189 ("two-arg min requires same size arguments"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3190 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3191 EMPTY_RETURN_CHECK (FloatMatrix); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3192 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3193 FloatMatrix result (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3194 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3195 for (octave_idx_type j = 0; j < nc; j++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3196 for (octave_idx_type i = 0; i < nr; i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3197 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3198 octave_quit (); |
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
17769
diff
changeset
|
3199 result(i, j) = xmin (a(i, j), b(i, j)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3200 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3201 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3202 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3203 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3204 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3205 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3206 max (float d, const FloatMatrix& m) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3207 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3208 octave_idx_type nr = m.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3209 octave_idx_type nc = m.columns (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3210 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3211 EMPTY_RETURN_CHECK (FloatMatrix); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3212 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3213 FloatMatrix result (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3214 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3215 for (octave_idx_type j = 0; j < nc; j++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3216 for (octave_idx_type i = 0; i < nr; i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3217 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3218 octave_quit (); |
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
17769
diff
changeset
|
3219 result(i, j) = xmax (d, m(i, j)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3220 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3221 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3222 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3223 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3224 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3225 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3226 max (const FloatMatrix& m, float d) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3227 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3228 octave_idx_type nr = m.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3229 octave_idx_type nc = m.columns (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3230 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3231 EMPTY_RETURN_CHECK (FloatMatrix); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3232 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3233 FloatMatrix result (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3234 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3235 for (octave_idx_type j = 0; j < nc; j++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3236 for (octave_idx_type i = 0; i < nr; i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3237 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3238 octave_quit (); |
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
17769
diff
changeset
|
3239 result(i, j) = xmax (m(i, j), d); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3240 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3241 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3242 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3243 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3244 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3245 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3246 max (const FloatMatrix& a, const FloatMatrix& b) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3247 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3248 octave_idx_type nr = a.rows (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3249 octave_idx_type nc = a.columns (); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3250 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3251 if (nr != b.rows () || nc != b.columns ()) |
21136
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
3252 (*current_liboctave_error_handler) |
7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents:
21129
diff
changeset
|
3253 ("two-arg max requires same size arguments"); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3254 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3255 EMPTY_RETURN_CHECK (FloatMatrix); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3256 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3257 FloatMatrix result (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3258 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3259 for (octave_idx_type j = 0; j < nc; j++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3260 for (octave_idx_type i = 0; i < nr; i++) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3261 { |
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10213
diff
changeset
|
3262 octave_quit (); |
18083
938f01339043
maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents:
17769
diff
changeset
|
3263 result(i, j) = xmax (a(i, j), b(i, j)); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3264 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3265 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3266 return result; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3267 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3268 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3269 FloatMatrix linspace (const FloatColumnVector& x1, |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3270 const FloatColumnVector& x2, |
9653
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3271 octave_idx_type n) |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3272 |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3273 { |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
3274 octave_idx_type m = x1.numel (); |
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
3275 |
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20218
diff
changeset
|
3276 if (x2.numel () != m) |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3277 (*current_liboctave_error_handler) |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3278 ("linspace: vectors must be of equal length"); |
9653
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3279 |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3280 NoAlias<FloatMatrix> retval; |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3281 |
20466
16b9ec39ff46
Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents:
20462
diff
changeset
|
3282 if (n < 1) |
16b9ec39ff46
Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents:
20462
diff
changeset
|
3283 { |
16b9ec39ff46
Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents:
20462
diff
changeset
|
3284 retval.clear (m, 0); |
16b9ec39ff46
Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents:
20462
diff
changeset
|
3285 return retval; |
16b9ec39ff46
Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents:
20462
diff
changeset
|
3286 } |
16b9ec39ff46
Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents:
20462
diff
changeset
|
3287 |
9653
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3288 retval.clear (m, n); |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3289 for (octave_idx_type i = 0; i < m; i++) |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3290 retval(i, 0) = x1(i); |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3291 |
20466
16b9ec39ff46
Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents:
20462
diff
changeset
|
3292 // The last column is unused so temporarily store delta there |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3293 float *delta = &retval(0, n-1); |
9653
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3294 for (octave_idx_type i = 0; i < m; i++) |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3295 delta[i] = (x2(i) - x1(i)) / (n - 1); |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3296 |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3297 for (octave_idx_type j = 1; j < n-1; j++) |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3298 for (octave_idx_type i = 0; i < m; i++) |
9658
3429c956de6f
extend linspace & fix up liboctave rewrite
Jaroslav Hajek <highegg@gmail.com>
parents:
9653
diff
changeset
|
3299 retval(i, j) = x1(i) + j*delta[i]; |
9653
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3300 |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3301 for (octave_idx_type i = 0; i < m; i++) |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3302 retval(i, n-1) = x2(i); |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3303 |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3304 return retval; |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3305 } |
e087d7c77ff9
improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9601
diff
changeset
|
3306 |
9578
7dafdb8b062f
refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents:
9553
diff
changeset
|
3307 MS_CMP_OPS (FloatMatrix, float) |
9550
3d6a9aea2aea
refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9528
diff
changeset
|
3308 MS_BOOL_OPS (FloatMatrix, float) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3309 |
9578
7dafdb8b062f
refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents:
9553
diff
changeset
|
3310 SM_CMP_OPS (float, FloatMatrix) |
9550
3d6a9aea2aea
refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9528
diff
changeset
|
3311 SM_BOOL_OPS (float, FloatMatrix) |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
3312 |
9578
7dafdb8b062f
refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents:
9553
diff
changeset
|
3313 MM_CMP_OPS (FloatMatrix, FloatMatrix) |
9550
3d6a9aea2aea
refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents:
9528
diff
changeset
|
3314 MM_BOOL_OPS (FloatMatrix, FloatMatrix) |