annotate liboctave/dMatrix.cc @ 8920:eb63fbe60fab

update copyright notices
author John W. Eaton <jwe@octave.org>
date Sat, 07 Mar 2009 10:41:27 -0500
parents c7864bb74914
children d91fa4b20bbb
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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, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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5 2003, 2004, 2005, 2006, 2007, 2009 John W. Eaton
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6 Copyright (C) 2008 Jaroslav Hajek
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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 "Array-util.h"
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36 #include "byte-swap.h"
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37 #include "dMatrix.h"
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38 #include "dbleAEPBAL.h"
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39 #include "DET.h"
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40 #include "dbleSCHUR.h"
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41 #include "dbleSVD.h"
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42 #include "dbleCHOL.h"
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43 #include "f77-fcn.h"
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44 #include "functor.h"
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45 #include "lo-error.h"
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46 #include "oct-locbuf.h"
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47 #include "lo-ieee.h"
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48 #include "lo-mappers.h"
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49 #include "lo-utils.h"
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50 #include "mx-base.h"
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51 #include "mx-m-dm.h"
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52 #include "mx-dm-m.h"
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53 #include "mx-inlines.cc"
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54 #include "mx-op-defs.h"
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55 #include "oct-cmplx.h"
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56 #include "oct-norm.h"
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57 #include "quit.h"
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58
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59 #if defined (HAVE_FFTW3)
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60 #include "oct-fftw.h"
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61 #endif
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62
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63 // Fortran functions we call.
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64
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65 extern "C"
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66 {
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67 F77_RET_T
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68 F77_FUNC (xilaenv, XILAENV) (const octave_idx_type&, F77_CONST_CHAR_ARG_DECL,
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69 F77_CONST_CHAR_ARG_DECL,
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70 const octave_idx_type&, const octave_idx_type&,
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71 const octave_idx_type&, const octave_idx_type&,
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72 octave_idx_type&
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73 F77_CHAR_ARG_LEN_DECL F77_CHAR_ARG_LEN_DECL);
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74
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75 F77_RET_T
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76 F77_FUNC (dgebal, DGEBAL) (F77_CONST_CHAR_ARG_DECL,
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77 const octave_idx_type&, double*, const octave_idx_type&, octave_idx_type&,
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78 octave_idx_type&, double*, octave_idx_type&
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79 F77_CHAR_ARG_LEN_DECL);
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80
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81 F77_RET_T
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82 F77_FUNC (dgebak, DGEBAK) (F77_CONST_CHAR_ARG_DECL,
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83 F77_CONST_CHAR_ARG_DECL,
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84 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&, double*,
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85 const octave_idx_type&, double*, const octave_idx_type&, octave_idx_type&
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86 F77_CHAR_ARG_LEN_DECL
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87 F77_CHAR_ARG_LEN_DECL);
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88
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89
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90 F77_RET_T
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91 F77_FUNC (dgemm, DGEMM) (F77_CONST_CHAR_ARG_DECL,
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92 F77_CONST_CHAR_ARG_DECL,
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93 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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94 const double&, const double*, const octave_idx_type&,
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95 const double*, const octave_idx_type&, const double&,
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96 double*, const octave_idx_type&
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97 F77_CHAR_ARG_LEN_DECL
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98 F77_CHAR_ARG_LEN_DECL);
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99
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100 F77_RET_T
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101 F77_FUNC (dgemv, DGEMV) (F77_CONST_CHAR_ARG_DECL,
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102 const octave_idx_type&, const octave_idx_type&, const double&,
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103 const double*, const octave_idx_type&, const double*,
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104 const octave_idx_type&, const double&, double*,
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105 const octave_idx_type&
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106 F77_CHAR_ARG_LEN_DECL);
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107
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108 F77_RET_T
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109 F77_FUNC (xddot, XDDOT) (const octave_idx_type&, const double*, const octave_idx_type&,
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110 const double*, const octave_idx_type&, double&);
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111
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112 F77_RET_T
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113 F77_FUNC (dsyrk, DSYRK) (F77_CONST_CHAR_ARG_DECL,
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114 F77_CONST_CHAR_ARG_DECL,
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115 const octave_idx_type&, const octave_idx_type&,
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116 const double&, const double*, const octave_idx_type&,
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117 const double&, double*, const octave_idx_type&
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118 F77_CHAR_ARG_LEN_DECL
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119 F77_CHAR_ARG_LEN_DECL);
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120
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121 F77_RET_T
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122 F77_FUNC (dgetrf, DGETRF) (const octave_idx_type&, const octave_idx_type&, double*, const octave_idx_type&,
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123 octave_idx_type*, octave_idx_type&);
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124
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125 F77_RET_T
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126 F77_FUNC (dgetrs, DGETRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, const octave_idx_type&,
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127 const double*, const octave_idx_type&,
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128 const octave_idx_type*, double*, const octave_idx_type&, octave_idx_type&
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129 F77_CHAR_ARG_LEN_DECL);
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130
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131 F77_RET_T
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132 F77_FUNC (dgetri, DGETRI) (const octave_idx_type&, double*, const octave_idx_type&, const octave_idx_type*,
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133 double*, const octave_idx_type&, octave_idx_type&);
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134
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135 F77_RET_T
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136 F77_FUNC (dgecon, DGECON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, double*,
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137 const octave_idx_type&, const double&, double&,
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138 double*, octave_idx_type*, octave_idx_type&
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139 F77_CHAR_ARG_LEN_DECL);
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140
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141 F77_RET_T
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142 F77_FUNC (dgelsy, DGELSY) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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143 double*, const octave_idx_type&, double*,
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144 const octave_idx_type&, octave_idx_type*, double&, octave_idx_type&,
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145 double*, const octave_idx_type&, octave_idx_type&);
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146
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147 F77_RET_T
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148 F77_FUNC (dgelsd, DGELSD) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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149 double*, const octave_idx_type&, double*,
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150 const octave_idx_type&, double*, double&, octave_idx_type&,
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151 double*, const octave_idx_type&, octave_idx_type*,
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152 octave_idx_type&);
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153
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154 F77_RET_T
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155 F77_FUNC (dpotrf, DPOTRF) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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156 double *, const octave_idx_type&,
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157 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
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158
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159 F77_RET_T
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160 F77_FUNC (dpocon, DPOCON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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161 double*, const octave_idx_type&, const double&,
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162 double&, double*, octave_idx_type*,
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163 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
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164 F77_RET_T
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165 F77_FUNC (dpotrs, DPOTRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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166 const octave_idx_type&, const double*,
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167 const octave_idx_type&, double*,
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168 const octave_idx_type&, octave_idx_type&
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169 F77_CHAR_ARG_LEN_DECL);
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170
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171 F77_RET_T
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172 F77_FUNC (dtrtri, DTRTRI) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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173 const octave_idx_type&, const double*,
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174 const octave_idx_type&, octave_idx_type&
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175 F77_CHAR_ARG_LEN_DECL
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176 F77_CHAR_ARG_LEN_DECL);
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177 F77_RET_T
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178 F77_FUNC (dtrcon, DTRCON) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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179 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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180 const double*, const octave_idx_type&, double&,
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181 double*, octave_idx_type*, octave_idx_type&
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182 F77_CHAR_ARG_LEN_DECL
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183 F77_CHAR_ARG_LEN_DECL
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184 F77_CHAR_ARG_LEN_DECL);
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185 F77_RET_T
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186 F77_FUNC (dtrtrs, DTRTRS) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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187 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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188 const octave_idx_type&, const double*,
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189 const octave_idx_type&, double*,
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190 const octave_idx_type&, octave_idx_type&
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191 F77_CHAR_ARG_LEN_DECL
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192 F77_CHAR_ARG_LEN_DECL
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193 F77_CHAR_ARG_LEN_DECL);
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194
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195 // Note that the original complex fft routines were not written for
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196 // double complex arguments. They have been modified by adding an
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197 // implicit double precision (a-h,o-z) statement at the beginning of
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198 // each subroutine.
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199
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200 F77_RET_T
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201 F77_FUNC (zffti, ZFFTI) (const octave_idx_type&, Complex*);
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202
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203 F77_RET_T
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204 F77_FUNC (zfftf, ZFFTF) (const octave_idx_type&, Complex*, Complex*);
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205
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206 F77_RET_T
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207 F77_FUNC (zfftb, ZFFTB) (const octave_idx_type&, Complex*, Complex*);
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208
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209 F77_RET_T
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210 F77_FUNC (dlartg, DLARTG) (const double&, const double&, double&,
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211 double&, double&);
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212
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213 F77_RET_T
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214 F77_FUNC (dtrsyl, DTRSYL) (F77_CONST_CHAR_ARG_DECL,
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215 F77_CONST_CHAR_ARG_DECL,
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216 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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217 const double*, const octave_idx_type&, const double*,
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218 const octave_idx_type&, const double*, const octave_idx_type&,
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219 double&, octave_idx_type&
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220 F77_CHAR_ARG_LEN_DECL
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221 F77_CHAR_ARG_LEN_DECL);
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222
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223 F77_RET_T
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224 F77_FUNC (xdlange, XDLANGE) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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225 const octave_idx_type&, const double*,
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226 const octave_idx_type&, double*, double&
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227 F77_CHAR_ARG_LEN_DECL);
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228 }
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229
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230 // Matrix class.
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231
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232 Matrix::Matrix (const RowVector& rv)
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233 : MArray2<double> (Array2<double> (rv, 1, rv.length ()))
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234 {
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235 }
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236
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237 Matrix::Matrix (const ColumnVector& cv)
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238 : MArray2<double> (Array2<double> (cv, cv.length (), 1))
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239 {
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240 }
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241
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242 Matrix::Matrix (const DiagMatrix& a)
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243 : MArray2<double> (a.rows (), a.cols (), 0.0)
458
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244 {
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245 for (octave_idx_type i = 0; i < a.length (); i++)
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246 elem (i, i) = a.elem (i, i);
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247 }
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248
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249 Matrix::Matrix (const PermMatrix& a)
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250 : MArray2<double> (a.rows (), a.cols (), 0.0)
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251 {
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252 const Array<octave_idx_type> ia (a.pvec ());
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253 octave_idx_type len = a.rows ();
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254 if (a.is_col_perm ())
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255 for (octave_idx_type i = 0; i < len; i++)
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256 elem (ia(i), i) = 1.0;
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257 else
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258 for (octave_idx_type i = 0; i < len; i++)
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259 elem (i, ia(i)) = 1.0;
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260 }
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261
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262 // FIXME -- could we use a templated mixed-type copy function
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263 // here?
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264
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265 Matrix::Matrix (const boolMatrix& a)
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266 : MArray2<double> (a.rows (), a.cols ())
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267 {
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268 for (octave_idx_type i = 0; i < a.rows (); i++)
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269 for (octave_idx_type j = 0; j < a.cols (); j++)
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270 elem (i, j) = a.elem (i, j);
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271 }
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272
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273 Matrix::Matrix (const charMatrix& a)
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274 : MArray2<double> (a.rows (), a.cols ())
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275 {
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276 for (octave_idx_type i = 0; i < a.rows (); i++)
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277 for (octave_idx_type j = 0; j < a.cols (); j++)
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278 elem (i, j) = a.elem (i, j);
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279 }
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280
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281 bool
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diff changeset
282 Matrix::operator == (const Matrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
283 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
284 if (rows () != a.rows () || cols () != a.cols ())
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
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parents: 2354
diff changeset
285 return false;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
286
3769
7c8e3c42ed04 [project @ 2001-01-31 22:15:51 by jwe]
jwe
parents: 3754
diff changeset
287 return mx_inline_equal (data (), a.data (), length ());
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
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parents:
diff changeset
288 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
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parents:
diff changeset
289
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
290 bool
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
291 Matrix::operator != (const Matrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
292 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
293 return !(*this == a);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
294 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
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parents:
diff changeset
295
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
296 bool
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
297 Matrix::is_symmetric (void) const
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
298 {
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
299 if (is_square () && rows () > 0)
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
300 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
301 for (octave_idx_type i = 0; i < rows (); i++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
302 for (octave_idx_type j = i+1; j < cols (); j++)
3354
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
303 if (elem (i, j) != elem (j, i))
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
304 return false;
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
305
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
306 return true;
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
307 }
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
308
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
309 return false;
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
310 }
87721841efd7 [project @ 1999-11-17 19:06:11 by jwe]
jwe
parents: 3331
diff changeset
311
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
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parents:
diff changeset
312 Matrix&
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5105
diff changeset
313 Matrix::insert (const Matrix& a, octave_idx_type r, octave_idx_type c)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
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parents:
diff changeset
314 {
1561
ffee86c37931 [project @ 1995-10-12 08:08:25 by jwe]
jwe
parents: 1484
diff changeset
315 Array2<double>::insert (a, r, c);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
316 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
317 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
318
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
319 Matrix&
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
320 Matrix::insert (const RowVector& a, octave_idx_type r, octave_idx_type c)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
321 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
322 octave_idx_type a_len = a.length ();
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
323
1698
0892abda7553 [project @ 1996-01-07 02:28:21 by jwe]
jwe
parents: 1697
diff changeset
324 if (r < 0 || r >= rows () || c < 0 || c + a_len > cols ())
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
325 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
326 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
327 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
328 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
329
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
330 if (a_len > 0)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
331 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
332 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
333
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
334 for (octave_idx_type i = 0; i < a_len; i++)
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
335 xelem (r, c+i) = a.elem (i);
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
336 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
337
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
338 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
339 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
340
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
341 Matrix&
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
342 Matrix::insert (const ColumnVector& a, octave_idx_type r, octave_idx_type c)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
343 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5105
diff changeset
344 octave_idx_type a_len = a.length ();
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
345
1698
0892abda7553 [project @ 1996-01-07 02:28:21 by jwe]
jwe
parents: 1697
diff changeset
346 if (r < 0 || r + a_len > rows () || c < 0 || c >= cols ())
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
347 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
348 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
349 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
350 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
351
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
352 if (a_len > 0)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
353 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
354 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
355
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
356 for (octave_idx_type i = 0; i < a_len; i++)
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
357 xelem (r+i, c) = a.elem (i);
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
358 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
359
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
360 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
361 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
362
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
363 Matrix&
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
364 Matrix::insert (const DiagMatrix& a, octave_idx_type r, octave_idx_type c)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
365 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
366 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
367 octave_idx_type a_nc = a.cols ();
1697
597c3ca9f6e8 [project @ 1996-01-07 02:13:24 by jwe]
jwe
parents: 1657
diff changeset
368
1698
0892abda7553 [project @ 1996-01-07 02:28:21 by jwe]
jwe
parents: 1697
diff changeset
369 if (r < 0 || r + a_nr > rows () || c < 0 || c + a_nc > cols ())
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
370 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
371 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
372 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
373 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
374
1697
597c3ca9f6e8 [project @ 1996-01-07 02:13:24 by jwe]
jwe
parents: 1657
diff changeset
375 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1);
597c3ca9f6e8 [project @ 1996-01-07 02:13:24 by jwe]
jwe
parents: 1657
diff changeset
376
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
377 octave_idx_type a_len = a.length ();
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
378
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
379 if (a_len > 0)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
380 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
381 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
382
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
383 for (octave_idx_type i = 0; i < a_len; i++)
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
384 xelem (r+i, c+i) = a.elem (i, i);
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
385 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
386
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
387 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
388 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
389
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
390 Matrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
391 Matrix::fill (double val)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
392 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
393 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
394 octave_idx_type nc = cols ();
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
395
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
396 if (nr > 0 && nc > 0)
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
397 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
398 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
399
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
400 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
401 for (octave_idx_type i = 0; i < nr; i++)
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
402 xelem (i, j) = val;
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
403 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
404
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
405 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
406 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
407
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
408 Matrix&
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
409 Matrix::fill (double val, octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
410 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
411 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
412 octave_idx_type nc = cols ();
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
413
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
414 if (r1 < 0 || r2 < 0 || c1 < 0 || c2 < 0
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
415 || r1 >= nr || r2 >= nr || c1 >= nc || c2 >= nc)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
416 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
417 (*current_liboctave_error_handler) ("range error for fill");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
418 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
419 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
420
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
421 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
422 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
423
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
424 if (r2 >= r1 && c2 >= c1)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
425 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
426 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
427
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
428 for (octave_idx_type j = c1; j <= c2; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
429 for (octave_idx_type i = r1; i <= r2; i++)
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
430 xelem (i, j) = val;
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
431 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
432
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
433 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
434 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
435
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
436 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
437 Matrix::append (const Matrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
438 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
439 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
440 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
441 if (nr != a.rows ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
442 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
443 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
444 return Matrix ();
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
445 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
446
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
447 octave_idx_type nc_insert = nc;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
448 Matrix retval (nr, nc + a.cols ());
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
449 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
450 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
451 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
452 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
453
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
454 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
455 Matrix::append (const RowVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
456 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
457 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
458 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
459 if (nr != 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
460 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
461 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
462 return Matrix ();
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
463 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
464
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
465 octave_idx_type nc_insert = nc;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
466 Matrix retval (nr, nc + a.length ());
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
467 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
468 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
469 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
470 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
471
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
472 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
473 Matrix::append (const ColumnVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
474 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
475 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
476 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
477 if (nr != a.length ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
478 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
479 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
480 return Matrix ();
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
481 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
482
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
483 octave_idx_type nc_insert = nc;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
484 Matrix retval (nr, nc + 1);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
485 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
486 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
487 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
488 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
489
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
490 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
491 Matrix::append (const DiagMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
492 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
493 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
494 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
495 if (nr != a.rows ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
496 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
497 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
498 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
499 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
500
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
501 octave_idx_type nc_insert = nc;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
502 Matrix retval (nr, nc + a.cols ());
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
503 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
504 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
505 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
506 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
507
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
508 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
509 Matrix::stack (const Matrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
510 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
511 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
512 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
513 if (nc != a.cols ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
514 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
515 (*current_liboctave_error_handler)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
516 ("column dimension mismatch for stack");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
517 return Matrix ();
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
518 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
519
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
520 octave_idx_type nr_insert = nr;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
521 Matrix retval (nr + a.rows (), nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
522 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
523 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
524 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
525 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
526
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
527 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
528 Matrix::stack (const RowVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
529 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
530 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
531 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
532 if (nc != a.length ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
533 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
534 (*current_liboctave_error_handler)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
535 ("column dimension mismatch for stack");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
536 return Matrix ();
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
537 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
538
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
539 octave_idx_type nr_insert = nr;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
540 Matrix retval (nr + 1, nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
541 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
542 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
543 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
544 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
545
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
546 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
547 Matrix::stack (const ColumnVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
548 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
549 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
550 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
551 if (nc != 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
552 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
553 (*current_liboctave_error_handler)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
554 ("column dimension mismatch for stack");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
555 return Matrix ();
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
556 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
557
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
558 octave_idx_type nr_insert = nr;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
559 Matrix retval (nr + a.length (), nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
560 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
561 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
562 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
563 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
564
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
565 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
566 Matrix::stack (const DiagMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
567 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
568 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
569 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
570 if (nc != a.cols ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
571 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
572 (*current_liboctave_error_handler)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
573 ("column dimension mismatch for stack");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
574 return Matrix ();
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
575 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
576
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
577 octave_idx_type nr_insert = nr;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
578 Matrix retval (nr + a.rows (), nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
579 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
580 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
581 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
582 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
583
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
584 Matrix
1205
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
585 real (const ComplexMatrix& a)
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
586 {
8650
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8614
diff changeset
587 return Matrix (mx_inline_real_dup (a.data (), a.length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8614
diff changeset
588 a.rows (), a.cols ());
1205
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
589 }
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
590
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
591 Matrix
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
592 imag (const ComplexMatrix& a)
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
593 {
8650
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8614
diff changeset
594 return Matrix (mx_inline_imag_dup (a.data (), a.length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8614
diff changeset
595 a.rows (), a.cols ());
1205
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
596 }
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
597
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
598 Matrix
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
599 Matrix::extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
600 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
601 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
602 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
603
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
604 octave_idx_type new_r = r2 - r1 + 1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
605 octave_idx_type new_c = c2 - c1 + 1;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
606
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
607 Matrix result (new_r, new_c);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
608
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
609 for (octave_idx_type j = 0; j < new_c; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
610 for (octave_idx_type i = 0; i < new_r; i++)
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
611 result.xelem (i, j) = elem (r1+i, c1+j);
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
612
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
613 return result;
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
614 }
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
615
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
616 Matrix
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
617 Matrix::extract_n (octave_idx_type r1, octave_idx_type c1, octave_idx_type nr, octave_idx_type nc) const
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
618 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
619 Matrix result (nr, nc);
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
620
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
621 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
622 for (octave_idx_type i = 0; i < nr; i++)
4316
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe]
jwe
parents: 4309
diff changeset
623 result.xelem (i, j) = elem (r1+i, c1+j);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
624
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
625 return result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
626 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
627
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
628 // extract row or column i.
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
629
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
630 RowVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
631 Matrix::row (octave_idx_type i) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
632 {
8614
5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8392
diff changeset
633 return MArray<double> (index (idx_vector (i), idx_vector::colon));
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
634 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
635
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
636 ColumnVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
637 Matrix::column (octave_idx_type i) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
638 {
8614
5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8392
diff changeset
639 return MArray<double> (index (idx_vector::colon, idx_vector (i)));
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
640 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
641
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
642 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
643 Matrix::inverse (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
644 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
645 octave_idx_type info;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
646 double rcon;
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
647 MatrixType mattype (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
648 return inverse (mattype, info, rcon, 0, 0);
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
649 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
650
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
651 Matrix
6479
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
652 Matrix::inverse (octave_idx_type& info) const
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
653 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
654 double rcon;
6479
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
655 MatrixType mattype (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
656 return inverse (mattype, info, rcon, 0, 0);
6479
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
657 }
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
658
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
659 Matrix
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
660 Matrix::inverse (octave_idx_type& info, double& rcon, int force,
6479
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
661 int calc_cond) const
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
662 {
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
663 MatrixType mattype (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
664 return inverse (mattype, info, rcon, force, calc_cond);
6479
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
665 }
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
666
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe]
jwe
parents: 6390
diff changeset
667 Matrix
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
668 Matrix::inverse (MatrixType& mattype) const
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
669 {
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
670 octave_idx_type info;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
671 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
672 return inverse (mattype, info, rcon, 0, 0);
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
673 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
674
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
675 Matrix
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
676 Matrix::inverse (MatrixType &mattype, octave_idx_type& info) const
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
677 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
678 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
679 return inverse (mattype, info, rcon, 0, 0);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
680 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
681
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
682 Matrix
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
683 Matrix::tinverse (MatrixType &mattype, octave_idx_type& info, double& rcon,
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
684 int force, int calc_cond) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
685 {
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
686 Matrix retval;
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
687
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
688 octave_idx_type nr = rows ();
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
689 octave_idx_type nc = cols ();
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
690
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
691 if (nr != nc || nr == 0 || nc == 0)
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
692 (*current_liboctave_error_handler) ("inverse requires square matrix");
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
693 else
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
694 {
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
695 int typ = mattype.type ();
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
696 char uplo = (typ == MatrixType::Lower ? 'L' : 'U');
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
697 char udiag = 'N';
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
698 retval = *this;
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
699 double *tmp_data = retval.fortran_vec ();
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
700
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
701 F77_XFCN (dtrtri, DTRTRI, (F77_CONST_CHAR_ARG2 (&uplo, 1),
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
702 F77_CONST_CHAR_ARG2 (&udiag, 1),
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
703 nr, tmp_data, nr, info
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
704 F77_CHAR_ARG_LEN (1)
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
705 F77_CHAR_ARG_LEN (1)));
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
706
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
707 // Throw-away extra info LAPACK gives so as to not change output.
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
708 rcon = 0.0;
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
709 if (info != 0)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
710 info = -1;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
711 else if (calc_cond)
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
712 {
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
713 octave_idx_type dtrcon_info = 0;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
714 char job = '1';
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
715
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
716 OCTAVE_LOCAL_BUFFER (double, work, 3 * nr);
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
717 OCTAVE_LOCAL_BUFFER (octave_idx_type, iwork, nr);
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
718
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
719 F77_XFCN (dtrcon, DTRCON, (F77_CONST_CHAR_ARG2 (&job, 1),
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
720 F77_CONST_CHAR_ARG2 (&uplo, 1),
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
721 F77_CONST_CHAR_ARG2 (&udiag, 1),
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
722 nr, tmp_data, nr, rcon,
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
723 work, iwork, dtrcon_info
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
724 F77_CHAR_ARG_LEN (1)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
725 F77_CHAR_ARG_LEN (1)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
726 F77_CHAR_ARG_LEN (1)));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
727
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
728 if (dtrcon_info != 0)
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
729 info = -1;
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
730 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
731
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
732 if (info == -1 && ! force)
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
733 retval = *this; // Restore matrix contents.
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
734 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
735
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
736 return retval;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
737 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
738
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
739
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
740 Matrix
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
741 Matrix::finverse (MatrixType &mattype, octave_idx_type& info, double& rcon,
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
742 int force, int calc_cond) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
743 {
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
744 Matrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
745
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
746 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
747 octave_idx_type nc = cols ();
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
748
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
749 if (nr != nc || nr == 0 || nc == 0)
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
750 (*current_liboctave_error_handler) ("inverse requires square matrix");
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
751 else
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
752 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
753 Array<octave_idx_type> ipvt (nr);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
754 octave_idx_type *pipvt = ipvt.fortran_vec ();
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
755
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
756 retval = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
757 double *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
758
4329
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
759 Array<double> z(1);
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
760 octave_idx_type lwork = -1;
4329
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
761
4330
9f86c2055b58 [project @ 2003-02-18 22:31:55 by jwe]
jwe
parents: 4329
diff changeset
762 // Query the optimum work array size.
4329
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
763 F77_XFCN (dgetri, DGETRI, (nc, tmp_data, nr, pipvt,
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
764 z.fortran_vec (), lwork, info));
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
765
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
766 lwork = static_cast<octave_idx_type> (z(0));
4329
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
767 lwork = (lwork < 2 *nc ? 2*nc : lwork);
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
768 z.resize (lwork);
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
769 double *pz = z.fortran_vec ();
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
770
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
771 info = 0;
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
772
4330
9f86c2055b58 [project @ 2003-02-18 22:31:55 by jwe]
jwe
parents: 4329
diff changeset
773 // Calculate the norm of the matrix, for later use.
4329
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
774 double anorm = 0;
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
775 if (calc_cond)
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
776 anorm = retval.abs().sum().row(static_cast<octave_idx_type>(0)).max();
4329
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
777
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe]
jwe
parents: 4316
diff changeset
778 F77_XFCN (dgetrf, DGETRF, (nc, nc, tmp_data, nr, pipvt, info));
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
779
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
780 // Throw-away extra info LAPACK gives so as to not change output.
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
781 rcon = 0.0;
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
782 if (info != 0)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
783 info = -1;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
784 else if (calc_cond)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
785 {
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
786 octave_idx_type dgecon_info = 0;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
787
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
788 // Now calculate the condition number for non-singular matrix.
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
789 char job = '1';
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
790 Array<octave_idx_type> iz (nc);
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
791 octave_idx_type *piz = iz.fortran_vec ();
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
792 F77_XFCN (dgecon, DGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
793 nc, tmp_data, nr, anorm,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
794 rcon, pz, piz, dgecon_info
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
795 F77_CHAR_ARG_LEN (1)));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
796
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
797 if (dgecon_info != 0)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
798 info = -1;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
799 }
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
800
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
801 if (info == -1 && ! force)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
802 retval = *this; // Restore matrix contents.
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
803 else
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
804 {
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
805 octave_idx_type dgetri_info = 0;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
806
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
807 F77_XFCN (dgetri, DGETRI, (nc, tmp_data, nr, pipvt,
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
808 pz, lwork, dgetri_info));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
809
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
810 if (dgetri_info != 0)
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
811 info = -1;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
812 }
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
813
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
814 if (info != 0)
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
815 mattype.mark_as_rectangular();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
816 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
817
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
818 return retval;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
819 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
820
740
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
821 Matrix
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
822 Matrix::inverse (MatrixType &mattype, octave_idx_type& info, double& rcon,
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
823 int force, int calc_cond) const
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
824 {
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
825 int typ = mattype.type (false);
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
826 Matrix ret;
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
827
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
828 if (typ == MatrixType::Unknown)
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
829 typ = mattype.type (*this);
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
830
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
831 if (typ == MatrixType::Upper || typ == MatrixType::Lower)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
832 ret = tinverse (mattype, info, rcon, force, calc_cond);
6840
2f17d5556756 [project @ 2007-08-29 08:37:47 by dbateman]
dbateman
parents: 6699
diff changeset
833 else
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
834 {
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
835 if (mattype.is_hermitian ())
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
836 {
6486
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe]
jwe
parents: 6479
diff changeset
837 CHOL chol (*this, info, calc_cond);
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
838 if (info == 0)
6486
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe]
jwe
parents: 6479
diff changeset
839 {
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe]
jwe
parents: 6479
diff changeset
840 if (calc_cond)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
841 rcon = chol.rcond ();
6486
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe]
jwe
parents: 6479
diff changeset
842 else
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
843 rcon = 1.0;
6486
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe]
jwe
parents: 6479
diff changeset
844 ret = chol.inverse ();
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe]
jwe
parents: 6479
diff changeset
845 }
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
846 else
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
847 mattype.mark_as_unsymmetric ();
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
848 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
849
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
850 if (!mattype.is_hermitian ())
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
851 ret = finverse(mattype, info, rcon, force, calc_cond);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
852
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
853 if ((mattype.is_hermitian () || calc_cond) && rcon == 0.)
6840
2f17d5556756 [project @ 2007-08-29 08:37:47 by dbateman]
dbateman
parents: 6699
diff changeset
854 ret = Matrix (rows (), columns (), octave_Inf);
6207
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
855 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
856
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
857 return ret;
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
858 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
859
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman]
dbateman
parents: 6162
diff changeset
860 Matrix
4384
f1fcc371e5ef [project @ 2003-04-23 19:51:57 by jwe]
jwe
parents: 4330
diff changeset
861 Matrix::pseudo_inverse (double tol) const
740
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
862 {
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
863 SVD result (*this, SVD::economy);
740
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
864
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
865 DiagMatrix S = result.singular_values ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
866 Matrix U = result.left_singular_matrix ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
867 Matrix V = result.right_singular_matrix ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
868
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
869 ColumnVector sigma = S.diag ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
870
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
871 octave_idx_type r = sigma.length () - 1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
872 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
873 octave_idx_type nc = cols ();
740
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
874
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
875 if (tol <= 0.0)
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
876 {
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
877 if (nr > nc)
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
878 tol = nr * sigma.elem (0) * DBL_EPSILON;
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
879 else
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
880 tol = nc * sigma.elem (0) * DBL_EPSILON;
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
881 }
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
882
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
883 while (r >= 0 && sigma.elem (r) < tol)
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
884 r--;
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
885
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
886 if (r < 0)
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
887 return Matrix (nc, nr, 0.0);
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
888 else
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
889 {
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
890 Matrix Ur = U.extract (0, 0, nr-1, r);
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
891 DiagMatrix D = DiagMatrix (sigma.extract (0, r)) . inverse ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
892 Matrix Vr = V.extract (0, 0, nc-1, r);
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
893 return Vr * D * Ur.transpose ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
894 }
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
895 }
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe]
jwe
parents: 677
diff changeset
896
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
897 #if defined (HAVE_FFTW3)
3827
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
898
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
899 ComplexMatrix
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
900 Matrix::fourier (void) const
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
901 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
902 size_t nr = rows ();
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
903 size_t nc = cols ();
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
904
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
905 ComplexMatrix retval (nr, nc);
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
906
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
907 size_t npts, nsamples;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
908
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
909 if (nr == 1 || nc == 1)
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
910 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
911 npts = nr > nc ? nr : nc;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
912 nsamples = 1;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
913 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
914 else
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
915 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
916 npts = nr;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
917 nsamples = nc;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
918 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
919
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
920 const double *in (fortran_vec ());
3827
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
921 Complex *out (retval.fortran_vec ());
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
922
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
923 octave_fftw::fft (in, out, npts, nsamples);
3827
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
924
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
925 return retval;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
926 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
927
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
928 ComplexMatrix
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
929 Matrix::ifourier (void) const
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
930 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
931 size_t nr = rows ();
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
932 size_t nc = cols ();
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
933
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
934 ComplexMatrix retval (nr, nc);
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
935
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
936 size_t npts, nsamples;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
937
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
938 if (nr == 1 || nc == 1)
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
939 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
940 npts = nr > nc ? nr : nc;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
941 nsamples = 1;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
942 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
943 else
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
944 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
945 npts = nr;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
946 nsamples = nc;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
947 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
948
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
949 ComplexMatrix tmp (*this);
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
950 Complex *in (tmp.fortran_vec ());
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
951 Complex *out (retval.fortran_vec ());
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
952
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
953 octave_fftw::ifft (in, out, npts, nsamples);
3827
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
954
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
955 return retval;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
956 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
957
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
958 ComplexMatrix
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
959 Matrix::fourier2d (void) const
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
960 {
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
961 dim_vector dv(rows (), cols ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
962
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
963 const double *in = fortran_vec ();
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
964 ComplexMatrix retval (rows (), cols ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
965 octave_fftw::fftNd (in, retval.fortran_vec (), 2, dv);
3827
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
966
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
967 return retval;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
968 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
969
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
970 ComplexMatrix
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
971 Matrix::ifourier2d (void) const
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
972 {
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
973 dim_vector dv(rows (), cols ());
3827
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
974
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
975 ComplexMatrix retval (*this);
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
976 Complex *out (retval.fortran_vec ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
977
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
978 octave_fftw::ifftNd (out, out, 2, dv);
3827
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
979
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
980 return retval;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
981 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
982
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
983 #else
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
984
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
985 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
986 Matrix::fourier (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
987 {
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
988 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
989
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
990 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
991 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
992
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
993 octave_idx_type npts, nsamples;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
994
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
995 if (nr == 1 || nc == 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
996 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
997 npts = nr > nc ? nr : nc;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
998 nsamples = 1;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
999 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1000 else
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1001 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1002 npts = nr;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1003 nsamples = nc;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1004 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1005
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1006 octave_idx_type nn = 4*npts+15;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1007
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1008 Array<Complex> wsave (nn);
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1009 Complex *pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1010
3585
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe]
jwe
parents: 3580
diff changeset
1011 retval = ComplexMatrix (*this);
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1012 Complex *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1013
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1014 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1015
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1016 for (octave_idx_type j = 0; j < nsamples; j++)
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1017 {
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1018 OCTAVE_QUIT;
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1019
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1020 F77_FUNC (zfftf, ZFFTF) (npts, &tmp_data[npts*j], pwsave);
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1021 }
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1022
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1023 return retval;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1024 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1025
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1026 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1027 Matrix::ifourier (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1028 {
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1029 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1030
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1031 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1032 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1033
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1034 octave_idx_type npts, nsamples;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1035
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1036 if (nr == 1 || nc == 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1037 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1038 npts = nr > nc ? nr : nc;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1039 nsamples = 1;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1040 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1041 else
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1042 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1043 npts = nr;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1044 nsamples = nc;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1045 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1046
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1047 octave_idx_type nn = 4*npts+15;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1048
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1049 Array<Complex> wsave (nn);
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1050 Complex *pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1051
3585
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe]
jwe
parents: 3580
diff changeset
1052 retval = ComplexMatrix (*this);
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1053 Complex *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1054
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1055 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1056
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1057 for (octave_idx_type j = 0; j < nsamples; j++)
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1058 {
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1059 OCTAVE_QUIT;
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1060
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1061 F77_FUNC (zfftb, ZFFTB) (npts, &tmp_data[npts*j], pwsave);
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1062 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1063
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1064 for (octave_idx_type j = 0; j < npts*nsamples; j++)
3572
8d641545e006 [project @ 2000-02-03 21:39:48 by jwe]
jwe
parents: 3504
diff changeset
1065 tmp_data[j] = tmp_data[j] / static_cast<double> (npts);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1066
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1067 return retval;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1068 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1069
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1070 ComplexMatrix
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1071 Matrix::fourier2d (void) const
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1072 {
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1073 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1074
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1075 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1076 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1077
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1078 octave_idx_type npts, nsamples;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1079
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1080 if (nr == 1 || nc == 1)
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1081 {
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1082 npts = nr > nc ? nr : nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1083 nsamples = 1;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1084 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1085 else
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1086 {
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1087 npts = nr;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1088 nsamples = nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1089 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1090
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1091 octave_idx_type nn = 4*npts+15;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1092
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1093 Array<Complex> wsave (nn);
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1094 Complex *pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1095
3585
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe]
jwe
parents: 3580
diff changeset
1096 retval = ComplexMatrix (*this);
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1097 Complex *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1098
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1099 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1100
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1101 for (octave_idx_type j = 0; j < nsamples; j++)
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1102 {
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1103 OCTAVE_QUIT;
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1104
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1105 F77_FUNC (zfftf, ZFFTF) (npts, &tmp_data[npts*j], pwsave);
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1106 }
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1107
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1108 npts = nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1109 nsamples = nr;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1110 nn = 4*npts+15;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1111
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1112 wsave.resize (nn);
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1113 pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1114
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
1115 Array<Complex> tmp (npts);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
1116 Complex *prow = tmp.fortran_vec ();
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1117
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1118 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1119
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1120 for (octave_idx_type j = 0; j < nsamples; j++)
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1121 {
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1122 OCTAVE_QUIT;
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1123
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1124 for (octave_idx_type i = 0; i < npts; i++)
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1125 prow[i] = tmp_data[i*nr + j];
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1126
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1127 F77_FUNC (zfftf, ZFFTF) (npts, prow, pwsave);
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1128
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1129 for (octave_idx_type i = 0; i < npts; i++)
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1130 tmp_data[i*nr + j] = prow[i];
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1131 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1132
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1133 return retval;
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1134 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1135
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1136 ComplexMatrix
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1137 Matrix::ifourier2d (void) const
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1138 {
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1139 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1140
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1141 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1142 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1143
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1144 octave_idx_type npts, nsamples;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1145
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1146 if (nr == 1 || nc == 1)
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1147 {
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1148 npts = nr > nc ? nr : nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1149 nsamples = 1;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1150 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1151 else
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1152 {
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1153 npts = nr;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1154 nsamples = nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1155 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1156
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1157 octave_idx_type nn = 4*npts+15;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1158
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1159 Array<Complex> wsave (nn);
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1160 Complex *pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1161
3585
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe]
jwe
parents: 3580
diff changeset
1162 retval = ComplexMatrix (*this);
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1163 Complex *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1164
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1165 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1166
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1167 for (octave_idx_type j = 0; j < nsamples; j++)
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1168 {
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1169 OCTAVE_QUIT;
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1170
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1171 F77_FUNC (zfftb, ZFFTB) (npts, &tmp_data[npts*j], pwsave);
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1172 }
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1173
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1174 for (octave_idx_type j = 0; j < npts*nsamples; j++)
3572
8d641545e006 [project @ 2000-02-03 21:39:48 by jwe]
jwe
parents: 3504
diff changeset
1175 tmp_data[j] = tmp_data[j] / static_cast<double> (npts);
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1176
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1177 npts = nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1178 nsamples = nr;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1179 nn = 4*npts+15;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1180
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1181 wsave.resize (nn);
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1182 pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1183
4773
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
1184 Array<Complex> tmp (npts);
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe]
jwe
parents: 4669
diff changeset
1185 Complex *prow = tmp.fortran_vec ();
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1186
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1187 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1188
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1189 for (octave_idx_type j = 0; j < nsamples; j++)
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1190 {
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1191 OCTAVE_QUIT;
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 4130
diff changeset
1192
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1193 for (octave_idx_type i = 0; i < npts; i++)
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1194 prow[i] = tmp_data[i*nr + j];
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1195
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7788
diff changeset
1196 F77_FUNC (zfftb, ZFFTB) (npts, prow, pwsave);
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1197
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1198 for (octave_idx_type i = 0; i < npts; i++)
3572
8d641545e006 [project @ 2000-02-03 21:39:48 by jwe]
jwe
parents: 3504
diff changeset
1199 tmp_data[i*nr + j] = prow[i] / static_cast<double> (npts);
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1200 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1201
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
1202 return retval;
677
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1203 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe]
jwe
parents: 533
diff changeset
1204
3827
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
1205 #endif
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe]
jwe
parents: 3769
diff changeset
1206
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1207 DET
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1208 Matrix::determinant (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1209 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1210 octave_idx_type info;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1211 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1212 return determinant (info, rcon, 0);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1213 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1214
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1215 DET
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1216 Matrix::determinant (octave_idx_type& info) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1217 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1218 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1219 return determinant (info, rcon, 0);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1220 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1221
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1222 DET
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1223 Matrix::determinant (octave_idx_type& info, double& rcon, int calc_cond) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1224 {
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1225 MatrixType mattype (*this);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1226 return determinant (mattype, info, rcon, calc_cond);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1227 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1228
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1229 DET
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1230 Matrix::determinant (MatrixType& mattype,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1231 octave_idx_type& info, double& rcon, int calc_cond) const
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1232 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1233 DET retval (1.0);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1234
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1235 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
1236 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1237
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1238 if (nr != nc)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1239 (*current_liboctave_error_handler) ("matrix must be square");
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1240 else
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1241 {
8806
c7864bb74914 avoid some GCC warnings
John W. Eaton <jwe@octave.org>
parents: 8801
diff changeset
1242 volatile int typ = mattype.type ();
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1243
8337
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1244 if (typ == MatrixType::Unknown)
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1245 typ = mattype.type (*this);
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1246
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1247 if (typ == MatrixType::Lower || typ == MatrixType::Upper)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1248 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1249 for (octave_idx_type i = 0; i < nc; i++)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1250 retval *= elem (i,i);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1251 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1252 else if (typ == MatrixType::Hermitian)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1253 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1254 Matrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1255 double *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1256
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1257 info = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1258 double anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1259 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1260
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1261
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1262 char job = 'L';
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1263 F77_XFCN (dpotrf, DPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1264 tmp_data, nr, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1265 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1266
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1267 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1268 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1269 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1270 mattype.mark_as_unsymmetric ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1271 typ = MatrixType::Full;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1272 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1273 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1274 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1275 Array<double> z (3 * nc);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1276 double *pz = z.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1277 Array<octave_idx_type> iz (nc);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1278 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1279
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1280 F77_XFCN (dpocon, DPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1281 nr, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1282 rcon, pz, piz, info
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
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1285 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1286 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1287
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1288 for (octave_idx_type i = 0; i < nc; i++)
8337
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1289 retval *= atmp (i,i);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1290
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1291 retval = retval.square ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1292 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1293 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1294 else if (typ != MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1295 (*current_liboctave_error_handler) ("det: invalid dense matrix type");
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1296
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1297 if (typ == MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1298 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1299 Array<octave_idx_type> ipvt (nr);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1300 octave_idx_type *pipvt = ipvt.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1301
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1302 Matrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1303 double *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1304
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1305 info = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1306
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1307 // Calculate the norm of the matrix, for later use.
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1308 double anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1309 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1310
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1311 F77_XFCN (dgetrf, DGETRF, (nr, nr, tmp_data, nr, pipvt, info));
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1312
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1313 // Throw-away extra info LAPACK gives so as to not change output.
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1314 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1315 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1316 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1317 info = -1;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1318 retval = DET ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1319 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1320 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1321 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1322 if (calc_cond)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1323 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1324 // Now calc the condition number for non-singular matrix.
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1325 char job = '1';
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1326 Array<double> z (4 * nc);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1327 double *pz = z.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1328 Array<octave_idx_type> iz (nc);
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
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1331 F77_XFCN (dgecon, DGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1332 nc, tmp_data, nr, anorm,
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)));
8335
64cf956a109c templatize & fix DET
Jaroslav Hajek <highegg@gmail.com>
parents: 8211
diff changeset
1335 }
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1337 if (info != 0)
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 = DET ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1341 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1342 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1343 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1344 for (octave_idx_type i = 0; i < nc; i++)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1345 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1346 double c = atmp(i,i);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1347 retval *= (ipvt(i) != (i+1)) ? -c : c;
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 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1351 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1352 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1353
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1354 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1355 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1356
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1357 double
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1358 Matrix::rcond (void) const
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1359 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1360 MatrixType mattype (*this);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1361 return rcond (mattype);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1362 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1363
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1364 double
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1365 Matrix::rcond (MatrixType &mattype) const
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1366 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1367 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1368 octave_idx_type nr = rows ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1369 octave_idx_type nc = cols ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1370
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1371 if (nr != nc)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1372 (*current_liboctave_error_handler) ("matrix must be square");
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1373 else if (nr == 0 || nc == 0)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1374 rcon = octave_Inf;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1375 else
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1376 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1377 int typ = mattype.type ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1378
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1379 if (typ == MatrixType::Unknown)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1380 typ = mattype.type (*this);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1381
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1382 // Only calculate the condition number for LU/Cholesky
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1383 if (typ == MatrixType::Upper)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1384 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1385 const double *tmp_data = fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1386 octave_idx_type info = 0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1387 char norm = '1';
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1388 char uplo = 'U';
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1389 char dia = 'N';
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1390
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1391 Array<double> z (3 * nc);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1392 double *pz = z.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1393 Array<octave_idx_type> iz (nc);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1394 octave_idx_type *piz = iz.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1395
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1396 F77_XFCN (dtrcon, DTRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1397 F77_CONST_CHAR_ARG2 (&uplo, 1),
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1398 F77_CONST_CHAR_ARG2 (&dia, 1),
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1399 nr, tmp_data, nr, rcon,
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1400 pz, piz, info
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1401 F77_CHAR_ARG_LEN (1)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1402 F77_CHAR_ARG_LEN (1)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1403 F77_CHAR_ARG_LEN (1)));
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1404
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1405 if (info != 0)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1406 rcon = 0.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1407 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1408 else if (typ == MatrixType::Permuted_Upper)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1409 (*current_liboctave_error_handler)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1410 ("permuted triangular matrix not implemented");
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1411 else if (typ == MatrixType::Lower)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1412 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1413 const double *tmp_data = fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1414 octave_idx_type info = 0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1415 char norm = '1';
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1416 char uplo = 'L';
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1417 char dia = 'N';
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1418
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1419 Array<double> z (3 * nc);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1420 double *pz = z.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1421 Array<octave_idx_type> iz (nc);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1422 octave_idx_type *piz = iz.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1423
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1424 F77_XFCN (dtrcon, DTRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1425 F77_CONST_CHAR_ARG2 (&uplo, 1),
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1426 F77_CONST_CHAR_ARG2 (&dia, 1),
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1427 nr, tmp_data, nr, rcon,
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1428 pz, piz, info
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1429 F77_CHAR_ARG_LEN (1)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1430 F77_CHAR_ARG_LEN (1)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1431 F77_CHAR_ARG_LEN (1)));
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1432
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1433 if (info != 0)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1434 rcon = 0.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1435 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1436 else if (typ == MatrixType::Permuted_Lower)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1437 (*current_liboctave_error_handler)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1438 ("permuted triangular matrix not implemented");
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1439 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1440 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1441 double anorm = -1.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1442 Matrix atmp = *this;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1443 double *tmp_data = atmp.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1444
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1445 if (typ == MatrixType::Hermitian)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1446 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1447 octave_idx_type info = 0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1448 char job = 'L';
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1449 anorm = atmp.abs().sum().
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1450 row(static_cast<octave_idx_type>(0)).max();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1451
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1452 F77_XFCN (dpotrf, DPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1453 tmp_data, nr, info
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1454 F77_CHAR_ARG_LEN (1)));
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1455
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1456 if (info != 0)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1457 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1458 rcon = 0.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1459 mattype.mark_as_unsymmetric ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1460 typ = MatrixType::Full;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1461 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1462 else
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1463 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1464 Array<double> z (3 * nc);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1465 double *pz = z.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1466 Array<octave_idx_type> iz (nc);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1467 octave_idx_type *piz = iz.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1468
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1469 F77_XFCN (dpocon, DPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1470 nr, tmp_data, nr, anorm,
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1471 rcon, pz, piz, info
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1472 F77_CHAR_ARG_LEN (1)));
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1473
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1474 if (info != 0)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1475 rcon = 0.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1476 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1477 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1478
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1479 if (typ == MatrixType::Full)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1480 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1481 octave_idx_type info = 0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1482
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1483 Array<octave_idx_type> ipvt (nr);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1484 octave_idx_type *pipvt = ipvt.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1485
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1486 if(anorm < 0.)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1487 anorm = atmp.abs().sum().
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1488 row(static_cast<octave_idx_type>(0)).max();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1489
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1490 Array<double> z (4 * nc);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1491 double *pz = z.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1492 Array<octave_idx_type> iz (nc);
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1493 octave_idx_type *piz = iz.fortran_vec ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1494
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1495 F77_XFCN (dgetrf, DGETRF, (nr, nr, tmp_data, nr, pipvt, info));
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1496
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1497 if (info != 0)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1498 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1499 rcon = 0.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1500 mattype.mark_as_rectangular ();
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1501 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1502 else
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1503 {
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1504 char job = '1';
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1505 F77_XFCN (dgecon, DGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1506 nc, tmp_data, nr, anorm,
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1507 rcon, pz, piz, info
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1508 F77_CHAR_ARG_LEN (1)));
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1509
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1510 if (info != 0)
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1511 rcon = 0.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1512 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1513 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1514 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1515 else
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1516 rcon = 0.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1517 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1518
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1519 return rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1520 }
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1521
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
1522 Matrix
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1523 Matrix::utsolve (MatrixType &mattype, const Matrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1524 double& rcon, solve_singularity_handler sing_handler,
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1525 bool calc_cond) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1526 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1527 Matrix retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1528
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1529 octave_idx_type nr = rows ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1530 octave_idx_type nc = cols ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1531
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
1532 if (nr != b.rows ())
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1533 (*current_liboctave_error_handler)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1534 ("matrix dimension mismatch solution of linear equations");
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
1535 else if (nr == 0 || nc == 0 || b.cols () == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
1536 retval = Matrix (nc, b.cols (), 0.0);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1537 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1538 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1539 volatile int typ = mattype.type ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1540
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1541 if (typ == MatrixType::Permuted_Upper ||
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1542 typ == MatrixType::Upper)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1543 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1544 octave_idx_type b_nc = b.cols ();
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1545 rcon = 1.;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1546 info = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1547
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1548 if (typ == MatrixType::Permuted_Upper)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1549 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1550 (*current_liboctave_error_handler)
6390
334499d75c5c [project @ 2007-03-07 18:11:28 by jwe]
jwe
parents: 6209
diff changeset
1551 ("permuted triangular matrix not implemented");
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1552 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1553 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1554 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1555 const double *tmp_data = fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1556
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1557 if (calc_cond)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1558 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1559 char norm = '1';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1560 char uplo = 'U';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1561 char dia = 'N';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1562
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1563 Array<double> z (3 * nc);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1564 double *pz = z.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1565 Array<octave_idx_type> iz (nc);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1566 octave_idx_type *piz = iz.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1567
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1568 F77_XFCN (dtrcon, DTRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1569 F77_CONST_CHAR_ARG2 (&uplo, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1570 F77_CONST_CHAR_ARG2 (&dia, 1),
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1571 nr, tmp_data, nr, rcon,
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1572 pz, piz, info
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1573 F77_CHAR_ARG_LEN (1)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1574 F77_CHAR_ARG_LEN (1)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1575 F77_CHAR_ARG_LEN (1)));
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1576
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1577 if (info != 0)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1578 info = -2;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1579
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1580 volatile double rcond_plus_one = rcon + 1.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1581
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1582 if (rcond_plus_one == 1.0 || xisnan (rcon))
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1583 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1584 info = -2;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1585
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1586 if (sing_handler)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1587 sing_handler (rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1588 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1589 (*current_liboctave_error_handler)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1590 ("matrix singular to machine precision, rcond = %g",
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1591 rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1592 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1593 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1594
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1595 if (info == 0)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1596 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1597 retval = b;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1598 double *result = retval.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1599
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1600 char uplo = 'U';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1601 char trans = 'N';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1602 char dia = 'N';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1603
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1604 F77_XFCN (dtrtrs, DTRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1605 F77_CONST_CHAR_ARG2 (&trans, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1606 F77_CONST_CHAR_ARG2 (&dia, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1607 nr, b_nc, tmp_data, nr,
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1608 result, nr, info
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1609 F77_CHAR_ARG_LEN (1)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1610 F77_CHAR_ARG_LEN (1)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1611 F77_CHAR_ARG_LEN (1)));
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1612 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1613 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1614 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1615 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1616 (*current_liboctave_error_handler) ("incorrect matrix type");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1617 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1618
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1619 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1620 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1621
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1622 Matrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1623 Matrix::ltsolve (MatrixType &mattype, const Matrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1624 double& rcon, solve_singularity_handler sing_handler,
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1625 bool calc_cond) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1626 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1627 Matrix retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1628
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1629 octave_idx_type nr = rows ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1630 octave_idx_type nc = cols ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1631
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
1632 if (nr != b.rows ())
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1633 (*current_liboctave_error_handler)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1634 ("matrix dimension mismatch solution of linear equations");
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
1635 else if (nr == 0 || nc == 0 || b.cols () == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
1636 retval = Matrix (nc, b.cols (), 0.0);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1637 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1638 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1639 volatile int typ = mattype.type ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1640
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1641 if (typ == MatrixType::Permuted_Lower ||
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1642 typ == MatrixType::Lower)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1643 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1644 octave_idx_type b_nc = b.cols ();
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1645 rcon = 1.;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1646 info = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1647
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1648 if (typ == MatrixType::Permuted_Lower)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1649 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1650 (*current_liboctave_error_handler)
6390
334499d75c5c [project @ 2007-03-07 18:11:28 by jwe]
jwe
parents: 6209
diff changeset
1651 ("permuted triangular matrix not implemented");
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1652 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1653 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1654 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1655 const double *tmp_data = fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1656
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1657 if (calc_cond)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1658 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1659 char norm = '1';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1660 char uplo = 'L';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1661 char dia = 'N';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1662
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1663 Array<double> z (3 * nc);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1664 double *pz = z.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1665 Array<octave_idx_type> iz (nc);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1666 octave_idx_type *piz = iz.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1667
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1668 F77_XFCN (dtrcon, DTRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1669 F77_CONST_CHAR_ARG2 (&uplo, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1670 F77_CONST_CHAR_ARG2 (&dia, 1),
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1671 nr, tmp_data, nr, rcon,
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1672 pz, piz, info
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1673 F77_CHAR_ARG_LEN (1)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1674 F77_CHAR_ARG_LEN (1)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1675 F77_CHAR_ARG_LEN (1)));
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1676
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1677 if (info != 0)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1678 info = -2;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1679
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1680 volatile double rcond_plus_one = rcon + 1.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1681
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1682 if (rcond_plus_one == 1.0 || xisnan (rcon))
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1683 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1684 info = -2;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1685
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1686 if (sing_handler)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1687 sing_handler (rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1688 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1689 (*current_liboctave_error_handler)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1690 ("matrix singular to machine precision, rcond = %g",
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1691 rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1692 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1693 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1694
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1695 if (info == 0)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1696 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1697 retval = b;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1698 double *result = retval.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1699
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1700 char uplo = 'L';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1701 char trans = 'N';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1702 char dia = 'N';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1703
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1704 F77_XFCN (dtrtrs, DTRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1705 F77_CONST_CHAR_ARG2 (&trans, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1706 F77_CONST_CHAR_ARG2 (&dia, 1),
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1707 nr, b_nc, tmp_data, nr,
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1708 result, nr, info
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1709 F77_CHAR_ARG_LEN (1)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1710 F77_CHAR_ARG_LEN (1)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1711 F77_CHAR_ARG_LEN (1)));
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1712 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1713 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1714 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1715 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1716 (*current_liboctave_error_handler) ("incorrect matrix type");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1717 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1718
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1719 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1720 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1721
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1722 Matrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1723 Matrix::fsolve (MatrixType &mattype, const Matrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1724 double& rcon, solve_singularity_handler sing_handler,
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1725 bool calc_cond) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1726 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1727 Matrix retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1728
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1729 octave_idx_type nr = rows ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1730 octave_idx_type nc = cols ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1731
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
1732 if (nr != nc || nr != b.rows ())
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1733 (*current_liboctave_error_handler)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1734 ("matrix dimension mismatch solution of linear equations");
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
1735 else if (nr == 0 || b.cols () == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
1736 retval = Matrix (nc, b.cols (), 0.0);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1737 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1738 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1739 volatile int typ = mattype.type ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1740
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1741 // Calculate the norm of the matrix, for later use.
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1742 double anorm = -1.;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1743
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1744 if (typ == MatrixType::Hermitian)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1745 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1746 info = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1747 char job = 'L';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1748 Matrix atmp = *this;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1749 double *tmp_data = atmp.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1750 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1751
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1752 F77_XFCN (dpotrf, DPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1753 tmp_data, nr, info
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1754 F77_CHAR_ARG_LEN (1)));
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1755
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1756 // Throw-away extra info LAPACK gives so as to not change output.
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1757 rcon = 0.0;
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1758 if (info != 0)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1759 {
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1760 info = -2;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1761
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1762 mattype.mark_as_unsymmetric ();
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1763 typ = MatrixType::Full;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1764 }
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1765 else
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1766 {
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1767 if (calc_cond)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1768 {
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1769 Array<double> z (3 * nc);
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1770 double *pz = z.fortran_vec ();
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1771 Array<octave_idx_type> iz (nc);
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1772 octave_idx_type *piz = iz.fortran_vec ();
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1773
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1774 F77_XFCN (dpocon, DPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1775 nr, tmp_data, nr, anorm,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1776 rcon, pz, piz, info
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1777 F77_CHAR_ARG_LEN (1)));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1778
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1779 if (info != 0)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1780 info = -2;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1781
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1782 volatile double rcond_plus_one = rcon + 1.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1783
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1784 if (rcond_plus_one == 1.0 || xisnan (rcon))
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1785 {
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1786 info = -2;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1787
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1788 if (sing_handler)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1789 sing_handler (rcon);
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1790 else
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1791 (*current_liboctave_error_handler)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1792 ("matrix singular to machine precision, rcond = %g",
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1793 rcon);
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1794 }
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1795 }
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1796
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1797 if (info == 0)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1798 {
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1799 retval = b;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1800 double *result = retval.fortran_vec ();
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1801
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1802 octave_idx_type b_nc = b.cols ();
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1803
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1804 F77_XFCN (dpotrs, DPOTRS, (F77_CONST_CHAR_ARG2 (&job, 1),
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1805 nr, b_nc, tmp_data, nr,
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1806 result, b.rows(), info
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1807 F77_CHAR_ARG_LEN (1)));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1808 }
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1809 else
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1810 {
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1811 mattype.mark_as_unsymmetric ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1812 typ = MatrixType::Full;
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1813 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1814 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1815 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1816
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1817 if (typ == MatrixType::Full)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1818 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1819 info = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1820
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1821 Array<octave_idx_type> ipvt (nr);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1822 octave_idx_type *pipvt = ipvt.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1823
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1824 Matrix atmp = *this;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1825 double *tmp_data = atmp.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1826 if(anorm < 0.)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1827 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1828
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1829 Array<double> z (4 * nc);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1830 double *pz = z.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1831 Array<octave_idx_type> iz (nc);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1832 octave_idx_type *piz = iz.fortran_vec ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1833
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1834 F77_XFCN (dgetrf, DGETRF, (nr, nr, tmp_data, nr, pipvt, info));
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1835
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1836 // Throw-away extra info LAPACK gives so as to not change output.
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1837 rcon = 0.0;
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1838 if (info != 0)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1839 {
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1840 info = -2;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1841
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1842 if (sing_handler)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1843 sing_handler (rcon);
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1844 else
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1845 (*current_liboctave_error_handler)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1846 ("matrix singular to machine precision");
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1847
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1848 mattype.mark_as_rectangular ();
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1849 }
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1850 else
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1851 {
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1852 if (calc_cond)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1853 {
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1854 // Now calculate the condition number for
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1855 // non-singular matrix.
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1856 char job = '1';
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1857 F77_XFCN (dgecon, DGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1858 nc, tmp_data, nr, anorm,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1859 rcon, pz, piz, info
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1860 F77_CHAR_ARG_LEN (1)));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1861
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1862 if (info != 0)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1863 info = -2;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1864
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1865 volatile double rcond_plus_one = rcon + 1.0;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1866
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1867 if (rcond_plus_one == 1.0 || xisnan (rcon))
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1868 {
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1869 info = -2;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1870
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1871 if (sing_handler)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1872 sing_handler (rcon);
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1873 else
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1874 (*current_liboctave_error_handler)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1875 ("matrix singular to machine precision, rcond = %g",
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1876 rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1877 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1878 }
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1879
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1880 if (info == 0)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1881 {
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1882 retval = b;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1883 double *result = retval.fortran_vec ();
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1884
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1885 octave_idx_type b_nc = b.cols ();
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1886
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1887 char job = 'N';
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1888 F77_XFCN (dgetrs, DGETRS, (F77_CONST_CHAR_ARG2 (&job, 1),
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1889 nr, b_nc, tmp_data, nr,
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1890 pipvt, result, b.rows(), info
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1891 F77_CHAR_ARG_LEN (1)));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1892 }
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1893 else
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
1894 mattype.mark_as_rectangular ();
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1895 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1896 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1897 else if (typ != MatrixType::Hermitian)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1898 (*current_liboctave_error_handler) ("incorrect matrix type");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1899 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1900
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1901 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1902 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1903
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1904 Matrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1905 Matrix::solve (MatrixType &typ, const Matrix& b) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1906 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1907 octave_idx_type info;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1908 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1909 return solve (typ, b, info, rcon, 0);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1910 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1911
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1912 Matrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1913 Matrix::solve (MatrixType &typ, const Matrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1914 double& rcon) const
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1915 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1916 return solve (typ, b, info, rcon, 0);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1917 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1918
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1919 Matrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1920 Matrix::solve (MatrixType &mattype, const Matrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1921 double& rcon, solve_singularity_handler sing_handler,
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1922 bool singular_fallback) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1923 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1924 Matrix retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1925 int typ = mattype.type ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1926
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1927 if (typ == MatrixType::Unknown)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1928 typ = mattype.type (*this);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1929
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1930 // Only calculate the condition number for LU/Cholesky
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1931 if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1932 retval = utsolve (mattype, b, info, rcon, sing_handler, false);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1933 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1934 retval = ltsolve (mattype, b, info, rcon, sing_handler, false);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1935 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1936 retval = fsolve (mattype, b, info, rcon, sing_handler, true);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1937 else if (typ != MatrixType::Rectangular)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1938 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1939 (*current_liboctave_error_handler) ("unknown matrix type");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1940 return Matrix ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1941 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1942
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1943 // Rectangular or one of the above solvers flags a singular matrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1944 if (singular_fallback && mattype.type () == MatrixType::Rectangular)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1945 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1946 octave_idx_type rank;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1947 retval = lssolve (b, info, rank, rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1948 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1949
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1950 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1951 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1952
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1953 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1954 Matrix::solve (MatrixType &typ, const ComplexMatrix& b) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1955 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1956 ComplexMatrix tmp (*this);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1957 return tmp.solve (typ, b);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1958 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1959
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1960 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1961 Matrix::solve (MatrixType &typ, const ComplexMatrix& b,
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1962 octave_idx_type& info) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1963 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1964 ComplexMatrix tmp (*this);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1965 return tmp.solve (typ, b, info);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1966 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1967
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1968 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1969 Matrix::solve (MatrixType &typ, const ComplexMatrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1970 double& rcon) const
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1971 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1972 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1973 return tmp.solve (typ, b, info, rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1974 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1975
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1976 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1977 Matrix::solve (MatrixType &typ, const ComplexMatrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1978 double& rcon, solve_singularity_handler sing_handler,
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1979 bool singular_fallback) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1980 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1981 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1982 return tmp.solve (typ, b, info, rcon, sing_handler, singular_fallback);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1983 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1984
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1985 ColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1986 Matrix::solve (MatrixType &typ, const ColumnVector& b) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1987 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1988 octave_idx_type info; double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1989 return solve (typ, b, info, rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1990 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1991
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1992 ColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1993 Matrix::solve (MatrixType &typ, const ColumnVector& b,
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1994 octave_idx_type& info) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1995 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1996 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
1997 return solve (typ, b, info, rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1998 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
1999
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2000 ColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2001 Matrix::solve (MatrixType &typ, const ColumnVector& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2002 double& rcon) const
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2003 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2004 return solve (typ, b, info, rcon, 0);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2005 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2006
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2007 ColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2008 Matrix::solve (MatrixType &typ, const ColumnVector& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2009 double& rcon, solve_singularity_handler sing_handler) const
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2010 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2011 Matrix tmp (b);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2012 return solve (typ, tmp, info, rcon, sing_handler).column(static_cast<octave_idx_type> (0));
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2013 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2014
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2015 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2016 Matrix::solve (MatrixType &typ, const ComplexColumnVector& b) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2017 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2018 ComplexMatrix tmp (*this);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2019 return tmp.solve (typ, b);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2020 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2021
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2022 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2023 Matrix::solve (MatrixType &typ, const ComplexColumnVector& b,
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2024 octave_idx_type& info) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2025 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2026 ComplexMatrix tmp (*this);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2027 return tmp.solve (typ, b, info);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2028 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2029
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2030 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2031 Matrix::solve (MatrixType &typ, const ComplexColumnVector& b,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2032 octave_idx_type& info, double& rcon) const
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2033 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2034 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2035 return tmp.solve (typ, b, info, rcon);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2036 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2037
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2038 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2039 Matrix::solve (MatrixType &typ, const ComplexColumnVector& b,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2040 octave_idx_type& info, double& rcon,
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2041 solve_singularity_handler sing_handler) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2042 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2043 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2044 return tmp.solve(typ, b, info, rcon, sing_handler);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2045 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2046
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2047 Matrix
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2048 Matrix::solve (const Matrix& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2049 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2050 octave_idx_type info;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2051 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2052 return solve (b, info, rcon, 0);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2053 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2054
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2055 Matrix
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2056 Matrix::solve (const Matrix& b, octave_idx_type& info) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2057 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2058 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2059 return solve (b, info, rcon, 0);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2060 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2061
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2062 Matrix
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2063 Matrix::solve (const Matrix& b, octave_idx_type& info, double& rcon) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2064 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2065 return solve (b, info, rcon, 0);
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2066 }
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2067
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2068 Matrix
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2069 Matrix::solve (const Matrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2070 double& rcon, solve_singularity_handler sing_handler) const
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2071 {
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2072 MatrixType mattype (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2073 return solve (mattype, b, info, rcon, sing_handler);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2074 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2075
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2076 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2077 Matrix::solve (const ComplexMatrix& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2078 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2079 ComplexMatrix tmp (*this);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2080 return tmp.solve (b);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2081 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2082
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2083 ComplexMatrix
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2084 Matrix::solve (const ComplexMatrix& b, octave_idx_type& info) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2085 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2086 ComplexMatrix tmp (*this);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2087 return tmp.solve (b, info);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2088 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2089
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2090 ComplexMatrix
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2091 Matrix::solve (const ComplexMatrix& b, octave_idx_type& info, double& rcon) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2092 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2093 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2094 return tmp.solve (b, info, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2095 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2096
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2097 ComplexMatrix
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2098 Matrix::solve (const ComplexMatrix& b, octave_idx_type& info, double& rcon,
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2099 solve_singularity_handler sing_handler) const
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2100 {
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2101 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2102 return tmp.solve (b, info, rcon, sing_handler);
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2103 }
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2104
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2105 ColumnVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2106 Matrix::solve (const ColumnVector& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2107 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2108 octave_idx_type info; double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2109 return solve (b, info, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2110 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2111
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2112 ColumnVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2113 Matrix::solve (const ColumnVector& b, octave_idx_type& info) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2114 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2115 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2116 return solve (b, info, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2117 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2118
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2119 ColumnVector
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2120 Matrix::solve (const ColumnVector& b, octave_idx_type& info, double& rcon) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2121 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2122 return solve (b, info, rcon, 0);
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2123 }
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2124
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2125 ColumnVector
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2126 Matrix::solve (const ColumnVector& b, octave_idx_type& info, double& rcon,
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2127 solve_singularity_handler sing_handler) const
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2128 {
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5775
diff changeset
2129 MatrixType mattype (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2130 return solve (mattype, b, info, rcon, sing_handler);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2131 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2132
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2133 ComplexColumnVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2134 Matrix::solve (const ComplexColumnVector& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2135 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2136 ComplexMatrix tmp (*this);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2137 return tmp.solve (b);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2138 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2139
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2140 ComplexColumnVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2141 Matrix::solve (const ComplexColumnVector& b, octave_idx_type& info) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2142 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2143 ComplexMatrix tmp (*this);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2144 return tmp.solve (b, info);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2145 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2146
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2147 ComplexColumnVector
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2148 Matrix::solve (const ComplexColumnVector& b, octave_idx_type& info, double& rcon) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2149 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2150 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2151 return tmp.solve (b, info, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2152 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2153
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2154 ComplexColumnVector
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2155 Matrix::solve (const ComplexColumnVector& b, octave_idx_type& info, double& rcon,
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2156 solve_singularity_handler sing_handler) const
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2157 {
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2158 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2159 return tmp.solve (b, info, rcon, sing_handler);
3480
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2160 }
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe]
jwe
parents: 3469
diff changeset
2161
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2162 Matrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2163 Matrix::lssolve (const Matrix& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2164 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2165 octave_idx_type info;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2166 octave_idx_type rank;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2167 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2168 return lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2169 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2170
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2171 Matrix
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2172 Matrix::lssolve (const Matrix& b, octave_idx_type& info) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2173 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2174 octave_idx_type rank;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2175 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2176 return lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2177 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2178
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2179 Matrix
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2180 Matrix::lssolve (const Matrix& b, octave_idx_type& info,
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2181 octave_idx_type& rank) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2182 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2183 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2184 return lssolve (b, info, rank, rcon);
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2185 }
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2186
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2187 Matrix
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2188 Matrix::lssolve (const Matrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2189 octave_idx_type& rank, double &rcon) const
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2190 {
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2191 Matrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2192
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2193 octave_idx_type nrhs = b.cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2194
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2195 octave_idx_type m = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2196 octave_idx_type n = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2197
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
2198 if (m != b.rows ())
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2199 (*current_liboctave_error_handler)
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
2200 ("matrix dimension mismatch solution of linear equations");
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
2201 else if (m == 0 || n == 0 || b.cols () == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
2202 retval = Matrix (n, b.cols (), 0.0);
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2203 else
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2204 {
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2205 volatile octave_idx_type minmn = (m < n ? m : n);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2206 octave_idx_type maxmn = m > n ? m : n;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2207 rcon = -1.0;
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2208 if (m != n)
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2209 {
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2210 retval = Matrix (maxmn, nrhs, 0.0);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2211
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2212 for (octave_idx_type j = 0; j < nrhs; j++)
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2213 for (octave_idx_type i = 0; i < m; i++)
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2214 retval.elem (i, j) = b.elem (i, j);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2215 }
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2216 else
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2217 retval = b;
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2218
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2219 Matrix atmp = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2220 double *tmp_data = atmp.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2221
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2222 double *pretval = retval.fortran_vec ();
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2223 Array<double> s (minmn);
7071
c3b479e753dd [project @ 2007-10-26 15:14:34 by jwe]
jwe
parents: 7033
diff changeset
2224 double *ps = s.fortran_vec ();
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2225
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2226 // Ask DGELSD what the dimension of WORK should be.
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2227 octave_idx_type lwork = -1;
3752
719a44ff67c9 [project @ 2000-12-13 19:02:42 by jwe]
jwe
parents: 3726
diff changeset
2228
719a44ff67c9 [project @ 2000-12-13 19:02:42 by jwe]
jwe
parents: 3726
diff changeset
2229 Array<double> work (1);
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2230
7477
8b22207ef9ca ilaenv --> xilaenv
John W. Eaton <jwe@octave.org>
parents: 7476
diff changeset
2231 octave_idx_type smlsiz;
8b22207ef9ca ilaenv --> xilaenv
John W. Eaton <jwe@octave.org>
parents: 7476
diff changeset
2232 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("DGELSD", 6),
8b22207ef9ca ilaenv --> xilaenv
John W. Eaton <jwe@octave.org>
parents: 7476
diff changeset
2233 F77_CONST_CHAR_ARG2 (" ", 1),
7478
d7c5b101bb0f ilaenv --> xilaenv
John W. Eaton <jwe@octave.org>
parents: 7477
diff changeset
2234 0, 0, 0, 0, smlsiz
7477
8b22207ef9ca ilaenv --> xilaenv
John W. Eaton <jwe@octave.org>
parents: 7476
diff changeset
2235 F77_CHAR_ARG_LEN (6)
7478
d7c5b101bb0f ilaenv --> xilaenv
John W. Eaton <jwe@octave.org>
parents: 7477
diff changeset
2236 F77_CHAR_ARG_LEN (1));
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2237
7486
6a6d2abe51ff more xGELSD workspace fixes
John W. Eaton <jwe@octave.org>
parents: 7482
diff changeset
2238 octave_idx_type mnthr;
6a6d2abe51ff more xGELSD workspace fixes
John W. Eaton <jwe@octave.org>
parents: 7482
diff changeset
2239 F77_FUNC (xilaenv, XILAENV) (6, F77_CONST_CHAR_ARG2 ("DGELSD", 6),
6a6d2abe51ff more xGELSD workspace fixes
John W. Eaton <jwe@octave.org>
parents: 7482
diff changeset
2240 F77_CONST_CHAR_ARG2 (" ", 1),
6a6d2abe51ff more xGELSD workspace fixes
John W. Eaton <jwe@octave.org>
parents: 7482
diff changeset
2241 m, n, nrhs, -1, mnthr
6a6d2abe51ff more xGELSD workspace fixes
John W. Eaton <jwe@octave.org>
parents: 7482
diff changeset
2242 F77_CHAR_ARG_LEN (6)
6a6d2abe51ff more xGELSD workspace fixes
John W. Eaton <jwe@octave.org>
parents: 7482
diff changeset
2243 F77_CHAR_ARG_LEN (1));
6a6d2abe51ff more xGELSD workspace fixes
John W. Eaton <jwe@octave.org>
parents: 7482
diff changeset
2244
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2245 // We compute the size of iwork because DGELSD in older versions
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2246 // of LAPACK does not return it on a query call.
7124
d07cb867891b [project @ 2007-11-08 01:09:44 by jwe]
jwe
parents: 7079
diff changeset
2247 double dminmn = static_cast<double> (minmn);
d07cb867891b [project @ 2007-11-08 01:09:44 by jwe]
jwe
parents: 7079
diff changeset
2248 double dsmlsizp1 = static_cast<double> (smlsiz+1);
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2249 #if defined (HAVE_LOG2)
7367
600808df131c [project @ 2008-01-14 08:58:02 by jwe]
jwe
parents: 7265
diff changeset
2250 double tmp = log2 (dminmn / dsmlsizp1);
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2251 #else
7367
600808df131c [project @ 2008-01-14 08:58:02 by jwe]
jwe
parents: 7265
diff changeset
2252 double tmp = log (dminmn / dsmlsizp1) / log (2.0);
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2253 #endif
7544
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2254 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2255 if (nlvl < 0)
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2256 nlvl = 0;
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2257
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2258 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2259 if (liwork < 1)
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2260 liwork = 1;
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2261 Array<octave_idx_type> iwork (liwork);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2262 octave_idx_type* piwork = iwork.fortran_vec ();
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2263
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2264 F77_XFCN (dgelsd, DGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2265 ps, rcon, rank, work.fortran_vec (),
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2266 lwork, piwork, info));
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2267
7476
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2268 // The workspace query is broken in at least LAPACK 3.0.0
7488
6470f946a425 another small xGELSD workspace fix
John W. Eaton <jwe@octave.org>
parents: 7486
diff changeset
2269 // through 3.1.1 when n >= mnthr. The obtuse formula below
7476
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2270 // should provide sufficient workspace for DGELSD to operate
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2271 // efficiently.
7488
6470f946a425 another small xGELSD workspace fix
John W. Eaton <jwe@octave.org>
parents: 7486
diff changeset
2272 if (n >= mnthr)
7476
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2273 {
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2274 const octave_idx_type wlalsd
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2275 = 9*m + 2*m*smlsiz + 8*m*nlvl + m*nrhs + (smlsiz+1)*(smlsiz+1);
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2276
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2277 octave_idx_type addend = m;
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2278
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2279 if (2*m-4 > addend)
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2280 addend = 2*m-4;
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2281
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2282 if (nrhs > addend)
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2283 addend = nrhs;
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2284
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2285 if (n-3*m > addend)
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2286 addend = n-3*m;
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2287
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2288 if (wlalsd > addend)
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2289 addend = wlalsd;
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2290
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2291 const octave_idx_type lworkaround = 4*m + m*m + addend;
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2292
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2293 if (work(0) < lworkaround)
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2294 work(0) = lworkaround;
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2295 }
7532
493bb0de3199 avoid another xGELSD workspace query bug
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2296 else if (m >= n)
493bb0de3199 avoid another xGELSD workspace query bug
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2297 {
493bb0de3199 avoid another xGELSD workspace query bug
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2298 octave_idx_type lworkaround
493bb0de3199 avoid another xGELSD workspace query bug
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2299 = 12*n + 2*n*smlsiz + 8*n*nlvl + n*nrhs + (smlsiz+1)*(smlsiz+1);
493bb0de3199 avoid another xGELSD workspace query bug
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2300
493bb0de3199 avoid another xGELSD workspace query bug
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2301 if (work(0) < lworkaround)
493bb0de3199 avoid another xGELSD workspace query bug
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2302 work(0) = lworkaround;
493bb0de3199 avoid another xGELSD workspace query bug
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
2303 }
7476
e9f10b4c05cf fix workspace size calculation for xGELSD
Jason Riedy
parents: 7416
diff changeset
2304
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2305 lwork = static_cast<octave_idx_type> (work(0));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2306 work.resize (lwork);
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2307
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2308 F77_XFCN (dgelsd, DGELSD, (m, n, nrhs, tmp_data, m, pretval,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2309 maxmn, ps, rcon, rank,
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2310 work.fortran_vec (), lwork,
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2311 piwork, info));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2312
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2313 if (rank < minmn)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2314 (*current_liboctave_warning_handler)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2315 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2316 if (s.elem (0) == 0.0)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2317 rcon = 0.0;
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2318 else
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2319 rcon = s.elem (minmn - 1) / s.elem (0);
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2320
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2321 retval.resize (n, nrhs);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2322 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2323
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2324 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2325 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2326
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2327 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2328 Matrix::lssolve (const ComplexMatrix& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2329 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2330 ComplexMatrix tmp (*this);
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2331 octave_idx_type info;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2332 octave_idx_type rank;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2333 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2334 return tmp.lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2335 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2336
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2337 ComplexMatrix
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2338 Matrix::lssolve (const ComplexMatrix& b, octave_idx_type& info) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2339 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2340 ComplexMatrix tmp (*this);
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2341 octave_idx_type rank;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2342 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2343 return tmp.lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2344 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2345
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2346 ComplexMatrix
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2347 Matrix::lssolve (const ComplexMatrix& b, octave_idx_type& info,
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2348 octave_idx_type& rank) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2349 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2350 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2351 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2352 return tmp.lssolve (b, info, rank, rcon);
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2353 }
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2354
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2355 ComplexMatrix
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2356 Matrix::lssolve (const ComplexMatrix& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2357 octave_idx_type& rank, double& rcon) const
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2358 {
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2359 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2360 return tmp.lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2361 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2362
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2363 ColumnVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2364 Matrix::lssolve (const ColumnVector& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2365 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2366 octave_idx_type info;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2367 octave_idx_type rank;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2368 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2369 return lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2370 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2371
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2372 ColumnVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2373 Matrix::lssolve (const ColumnVector& b, octave_idx_type& info) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2374 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2375 octave_idx_type rank;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2376 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2377 return lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2378 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2379
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2380 ColumnVector
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2381 Matrix::lssolve (const ColumnVector& b, octave_idx_type& info,
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2382 octave_idx_type& rank) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2383 {
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2384 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2385 return lssolve (b, info, rank, rcon);
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2386 }
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2387
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2388 ColumnVector
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2389 Matrix::lssolve (const ColumnVector& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2390 octave_idx_type& rank, double &rcon) const
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2391 {
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2392 ColumnVector retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2393
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2394 octave_idx_type nrhs = 1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2395
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2396 octave_idx_type m = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2397 octave_idx_type n = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2398
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
2399 if (m != b.length ())
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2400 (*current_liboctave_error_handler)
6924
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
2401 ("matrix dimension mismatch solution of linear equations");
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
2402 else if (m == 0 || n == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman]
dbateman
parents: 6840
diff changeset
2403 retval = ColumnVector (n, 0.0);
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2404 else
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2405 {
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2406 volatile octave_idx_type minmn = (m < n ? m : n);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2407 octave_idx_type maxmn = m > n ? m : n;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2408 rcon = -1.0;
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2409
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2410 if (m != n)
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2411 {
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2412 retval = ColumnVector (maxmn, 0.0);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2413
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2414 for (octave_idx_type i = 0; i < m; i++)
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2415 retval.elem (i) = b.elem (i);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2416 }
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2417 else
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2418 retval = b;
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2419
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2420 Matrix atmp = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2421 double *tmp_data = atmp.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2422
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2423 double *pretval = retval.fortran_vec ();
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2424 Array<double> s (minmn);
7071
c3b479e753dd [project @ 2007-10-26 15:14:34 by jwe]
jwe
parents: 7033
diff changeset
2425 double *ps = s.fortran_vec ();
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2426
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2427 // Ask DGELSD what the dimension of WORK should be.
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2428 octave_idx_type lwork = -1;
3752
719a44ff67c9 [project @ 2000-12-13 19:02:42 by jwe]
jwe
parents: 3726
diff changeset
2429
719a44ff67c9 [project @ 2000-12-13 19:02:42 by jwe]
jwe
parents: 3726
diff changeset
2430 Array<double> work (1);
719a44ff67c9 [project @ 2000-12-13 19:02:42 by jwe]
jwe
parents: 3726
diff changeset
2431
7544
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2432 octave_idx_type smlsiz;
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2433 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("DGELSD", 6),
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2434 F77_CONST_CHAR_ARG2 (" ", 1),
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2435 0, 0, 0, 0, smlsiz
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2436 F77_CHAR_ARG_LEN (6)
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2437 F77_CHAR_ARG_LEN (1));
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2438
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2439 // We compute the size of iwork because DGELSD in older versions
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2440 // of LAPACK does not return it on a query call.
7124
d07cb867891b [project @ 2007-11-08 01:09:44 by jwe]
jwe
parents: 7079
diff changeset
2441 double dminmn = static_cast<double> (minmn);
d07cb867891b [project @ 2007-11-08 01:09:44 by jwe]
jwe
parents: 7079
diff changeset
2442 double dsmlsizp1 = static_cast<double> (smlsiz+1);
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2443 #if defined (HAVE_LOG2)
7544
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2444 double tmp = log2 (dminmn / dsmlsizp1);
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2445 #else
7544
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2446 double tmp = log (dminmn / dsmlsizp1) / log (2.0);
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2447 #endif
7544
f9983d2761df more xGELSD workspace fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 7532
diff changeset
2448 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
7079
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2449 if (nlvl < 0)
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2450 nlvl = 0;
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2451
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2452 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2453 if (liwork < 1)
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe]
jwe
parents: 7076
diff changeset
2454 liwork = 1;
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2455 Array<octave_idx_type> iwork (liwork);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2456 octave_idx_type* piwork = iwork.fortran_vec ();
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2457
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2458 F77_XFCN (dgelsd, DGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2459 ps, rcon, rank, work.fortran_vec (),
7072
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe]
jwe
parents: 7071
diff changeset
2460 lwork, piwork, info));
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2461
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2462 lwork = static_cast<octave_idx_type> (work(0));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2463 work.resize (lwork);
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2464
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2465 F77_XFCN (dgelsd, DGELSD, (m, n, nrhs, tmp_data, m, pretval,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2466 maxmn, ps, rcon, rank,
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2467 work.fortran_vec (), lwork,
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2468 piwork, info));
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2469
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2470 if (rank < minmn)
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2471 {
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2472 if (rank < minmn)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2473 (*current_liboctave_warning_handler)
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2474 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2475 if (s.elem (0) == 0.0)
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2476 rcon = 0.0;
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2477 else
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2478 rcon = s.elem (minmn - 1) / s.elem (0);
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2479 }
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2480
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
2481 retval.resize (n, nrhs);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2482 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2483
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2484 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2485 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2486
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2487 ComplexColumnVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2488 Matrix::lssolve (const ComplexColumnVector& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2489 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2490 ComplexMatrix tmp (*this);
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2491 octave_idx_type info;
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2492 octave_idx_type rank;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2493 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2494 return tmp.lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2495 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2496
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2497 ComplexColumnVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2498 Matrix::lssolve (const ComplexColumnVector& b, octave_idx_type& info) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2499 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2500 ComplexMatrix tmp (*this);
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2501 octave_idx_type rank;
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2502 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2503 return tmp.lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2504 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2505
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2506 ComplexColumnVector
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2507 Matrix::lssolve (const ComplexColumnVector& b, octave_idx_type& info,
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2508 octave_idx_type& rank) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2509 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2510 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2511 double rcon;
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2512 return tmp.lssolve (b, info, rank, rcon);
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2513 }
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2514
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2515 ComplexColumnVector
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2516 Matrix::lssolve (const ComplexColumnVector& b, octave_idx_type& info,
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2517 octave_idx_type& rank, double &rcon) const
7076
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2518 {
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe]
jwe
parents: 7072
diff changeset
2519 ComplexMatrix tmp (*this);
7788
45f5faba05a2 Add the rcond function
David Bateman <dbateman@free.fr>
parents: 7620
diff changeset
2520 return tmp.lssolve (b, info, rank, rcon);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2521 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2522
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2523 Matrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2524 Matrix::operator += (const DiagMatrix& a)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2525 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2526 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2527 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2528
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2529 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2530 octave_idx_type a_nc = a.cols ();
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2531
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2532 if (nr != a_nr || nc != a_nc)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2533 {
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2534 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2535 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2536 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2537
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2538 for (octave_idx_type i = 0; i < a.length (); i++)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2539 elem (i, i) += a.elem (i, i);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2540
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2541 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2542 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2543
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2544 Matrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2545 Matrix::operator -= (const DiagMatrix& a)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2546 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2547 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2548 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2549
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2550 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2551 octave_idx_type a_nc = a.cols ();
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2552
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2553 if (nr != a_nr || nc != a_nc)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2554 {
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2555 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2556 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2557 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2558
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2559 for (octave_idx_type i = 0; i < a.length (); i++)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2560 elem (i, i) -= a.elem (i, i);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2561
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2562 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2563 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2564
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2565 // unary operations
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2566
2964
0a2551ec7004 [project @ 1997-05-12 07:26:50 by jwe]
jwe
parents: 2870
diff changeset
2567 boolMatrix
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2568 Matrix::operator ! (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2569 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2570 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2571 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2572
2964
0a2551ec7004 [project @ 1997-05-12 07:26:50 by jwe]
jwe
parents: 2870
diff changeset
2573 boolMatrix b (nr, nc);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2574
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2575 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2576 for (octave_idx_type i = 0; i < nr; i++)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2577 b.elem (i, j) = ! elem (i, j);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2578
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2579 return b;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2580 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2581
1205
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
2582 // column vector by row vector -> matrix operations
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2583
1205
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
2584 Matrix
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
2585 operator * (const ColumnVector& v, const RowVector& a)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2586 {
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2587 Matrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2588
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2589 octave_idx_type len = v.length ();
3233
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe]
jwe
parents: 3225
diff changeset
2590
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe]
jwe
parents: 3225
diff changeset
2591 if (len != 0)
1205
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
2592 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2593 octave_idx_type a_len = a.length ();
3233
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe]
jwe
parents: 3225
diff changeset
2594
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe]
jwe
parents: 3225
diff changeset
2595 retval.resize (len, a_len);
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe]
jwe
parents: 3225
diff changeset
2596 double *c = retval.fortran_vec ();
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe]
jwe
parents: 3225
diff changeset
2597
4552
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
2598 F77_XFCN (dgemm, DGEMM, (F77_CONST_CHAR_ARG2 ("N", 1),
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
2599 F77_CONST_CHAR_ARG2 ("N", 1),
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
2600 len, a_len, 1, 1.0, v.data (), len,
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
2601 a.data (), 1, 0.0, c, len
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
2602 F77_CHAR_ARG_LEN (1)
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
2603 F77_CHAR_ARG_LEN (1)));
1205
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
2604 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2605
1948
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe]
jwe
parents: 1882
diff changeset
2606 return retval;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2607 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2608
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2609 // other operations.
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2610
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2611 Matrix
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2612 Matrix::map (dmapper fcn) const
1205
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
2613 {
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2614 return MArray2<double>::map<double> (func_ptr (fcn));
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2615 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2616
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2617 ComplexMatrix
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2618 Matrix::map (cmapper fcn) const
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2619 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2620 return MArray2<double>::map<Complex> (func_ptr (fcn));
1205
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
2621 }
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe]
jwe
parents: 1195
diff changeset
2622
3248
68259f410026 [project @ 1999-07-13 03:34:54 by jwe]
jwe
parents: 3233
diff changeset
2623 boolMatrix
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2624 Matrix::map (bmapper fcn) const
3248
68259f410026 [project @ 1999-07-13 03:34:54 by jwe]
jwe
parents: 3233
diff changeset
2625 {
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7488
diff changeset
2626 return MArray2<double>::map<bool> (func_ptr (fcn));
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2627 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2628
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2629 bool
4431
c4bde1d5eb98 [project @ 2003-06-18 15:47:09 by jwe]
jwe
parents: 4384
diff changeset
2630 Matrix::any_element_is_negative (bool neg_zero) const
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2631 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2632 octave_idx_type nel = nelem ();
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2633
4431
c4bde1d5eb98 [project @ 2003-06-18 15:47:09 by jwe]
jwe
parents: 4384
diff changeset
2634 if (neg_zero)
c4bde1d5eb98 [project @ 2003-06-18 15:47:09 by jwe]
jwe
parents: 4384
diff changeset
2635 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2636 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2637 if (lo_ieee_signbit (elem (i)))
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2638 return true;
4431
c4bde1d5eb98 [project @ 2003-06-18 15:47:09 by jwe]
jwe
parents: 4384
diff changeset
2639 }
c4bde1d5eb98 [project @ 2003-06-18 15:47:09 by jwe]
jwe
parents: 4384
diff changeset
2640 else
c4bde1d5eb98 [project @ 2003-06-18 15:47:09 by jwe]
jwe
parents: 4384
diff changeset
2641 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2642 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2643 if (elem (i) < 0)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2644 return true;
4431
c4bde1d5eb98 [project @ 2003-06-18 15:47:09 by jwe]
jwe
parents: 4384
diff changeset
2645 }
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2646
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2647 return false;
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2648 }
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2649
7922
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2650 bool
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2651 Matrix::any_element_is_nan (void) const
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2652 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2653 octave_idx_type nel = nelem ();
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2654
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2655 for (octave_idx_type i = 0; i < nel; i++)
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2656 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2657 double val = elem (i);
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2658 if (xisnan (val))
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2659 return true;
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2660 }
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2661
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2662 return false;
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7803
diff changeset
2663 }
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2664
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2665 bool
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2666 Matrix::any_element_is_inf_or_nan (void) const
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2667 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2668 octave_idx_type nel = nelem ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2669
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2670 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2671 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2672 double val = elem (i);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2673 if (xisinf (val) || xisnan (val))
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2674 return true;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2675 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2676
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2677 return false;
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2678 }
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2679
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2680 bool
5943
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2681 Matrix::any_element_not_one_or_zero (void) const
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2682 {
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2683 octave_idx_type nel = nelem ();
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2684
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2685 for (octave_idx_type i = 0; i < nel; i++)
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2686 {
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2687 double val = elem (i);
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2688 if (val != 0 && val != 1)
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2689 return true;
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2690 }
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2691
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2692 return false;
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2693 }
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2694
c038c2947ee1 [project @ 2006-08-18 21:27:03 by jwe]
jwe
parents: 5785
diff changeset
2695 bool
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2696 Matrix::all_elements_are_int_or_inf_or_nan (void) const
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2697 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2698 octave_idx_type nel = nelem ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2699
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2700 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2701 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2702 double val = elem (i);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2703 if (xisnan (val) || D_NINT (val) == val)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2704 continue;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2705 else
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2706 return false;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2707 }
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2708
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2709 return true;
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2710 }
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2711
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2712 // Return nonzero if any element of M is not an integer. Also extract
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2713 // the largest and smallest values and return them in MAX_VAL and MIN_VAL.
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2714
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2715 bool
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2716 Matrix::all_integers (double& max_val, double& min_val) const
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2717 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2718 octave_idx_type nel = nelem ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2719
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2720 if (nel > 0)
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2721 {
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2722 max_val = elem (0);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2723 min_val = elem (0);
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2724 }
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2725 else
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2726 return false;
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2727
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2728 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2729 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2730 double val = elem (i);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2731
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2732 if (val > max_val)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2733 max_val = val;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2734
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2735 if (val < min_val)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2736 min_val = val;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2737
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2738 if (D_NINT (val) != val)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2739 return false;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2740 }
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2741
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2742 return true;
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2743 }
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2744
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2745 bool
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2746 Matrix::too_large_for_float (void) const
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2747 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2748 octave_idx_type nel = nelem ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2749
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2750 for (octave_idx_type i = 0; i < nel; i++)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2751 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2752 double val = elem (i);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2753
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2754 if (! (xisnan (val) || xisinf (val))
5387
5b00a8beb504 [project @ 2005-06-14 17:13:45 by jwe]
jwe
parents: 5386
diff changeset
2755 && fabs (val) > FLT_MAX)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2756 return true;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents: 4593
diff changeset
2757 }
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2758
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2759 return false;
1968
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2760 }
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents: 1959
diff changeset
2761
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5717
diff changeset
2762 // FIXME Do these really belong here? Maybe they should be
4015
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe]
jwe
parents: 3887
diff changeset
2763 // in a base class?
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2764
2832
4dff308e9acc [project @ 1997-03-26 05:16:58 by jwe]
jwe
parents: 2828
diff changeset
2765 boolMatrix
4015
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe]
jwe
parents: 3887
diff changeset
2766 Matrix::all (int dim) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2767 {
8743
1bd918cfb6e2 reimplement any & all using the new reduction code
Jaroslav Hajek <highegg@gmail.com>
parents: 8736
diff changeset
2768 return do_mx_red_op<boolMatrix> (*this, dim, mx_inline_all);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2769 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2770
2832
4dff308e9acc [project @ 1997-03-26 05:16:58 by jwe]
jwe
parents: 2828
diff changeset
2771 boolMatrix
4015
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe]
jwe
parents: 3887
diff changeset
2772 Matrix::any (int dim) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2773 {
8743
1bd918cfb6e2 reimplement any & all using the new reduction code
Jaroslav Hajek <highegg@gmail.com>
parents: 8736
diff changeset
2774 return do_mx_red_op<boolMatrix> (*this, dim, mx_inline_any);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2775 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2776
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2777 Matrix
3723
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe]
jwe
parents: 3585
diff changeset
2778 Matrix::cumprod (int dim) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2779 {
8736
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
2780 return do_mx_cum_op<Matrix> (*this, dim, mx_inline_cumprod);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2781 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2782
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2783 Matrix
3723
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe]
jwe
parents: 3585
diff changeset
2784 Matrix::cumsum (int dim) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2785 {
8736
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
2786 return do_mx_cum_op<Matrix> (*this, dim, mx_inline_cumsum);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2787 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2788
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2789 Matrix
3723
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe]
jwe
parents: 3585
diff changeset
2790 Matrix::prod (int dim) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2791 {
8736
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
2792 return do_mx_red_op<Matrix> (*this, dim, mx_inline_prod);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2793 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2794
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2795 Matrix
3723
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe]
jwe
parents: 3585
diff changeset
2796 Matrix::sum (int dim) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2797 {
8736
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
2798 return do_mx_red_op<Matrix> (*this, dim, mx_inline_sum);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2799 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2800
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2801 Matrix
3723
4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe]
jwe
parents: 3585
diff changeset
2802 Matrix::sumsq (int dim) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2803 {
8736
53b4fdeacc2e improve reduction functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8650
diff changeset
2804 return do_mx_red_op<Matrix> (*this, dim, mx_inline_sumsq);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2805 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2806
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2807 Matrix
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2808 Matrix::abs (void) const
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2809 {
8650
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8614
diff changeset
2810 return Matrix (mx_inline_fabs_dup (data (), length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map
Jaroslav Hajek <highegg@gmail.com>
parents: 8614
diff changeset
2811 rows (), cols ());
2385
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2812 }
170053c0f75e [project @ 1996-10-12 18:23:01 by jwe]
jwe
parents: 2354
diff changeset
2813
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7544
diff changeset
2814 Matrix
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2815 Matrix::diag (octave_idx_type k) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2816 {
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7544
diff changeset
2817 return MArray2<double>::diag (k);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2818 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2819
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2820 ColumnVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2821 Matrix::row_min (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2822 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2823 Array<octave_idx_type> dummy_idx;
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4574
diff changeset
2824 return row_min (dummy_idx);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2825 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2826
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2827 ColumnVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2828 Matrix::row_min (Array<octave_idx_type>& idx_arg) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2829 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2830 ColumnVector result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2831
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2832 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2833 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2834
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2835 if (nr > 0 && nc > 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2836 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2837 result.resize (nr);
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4574
diff changeset
2838 idx_arg.resize (nr);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2839
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2840 for (octave_idx_type i = 0; i < nr; i++)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2841 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2842 octave_idx_type idx_j;
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2843
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2844 double tmp_min = octave_NaN;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2845
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2846 for (idx_j = 0; idx_j < nc; idx_j++)
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2847 {
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2848 tmp_min = elem (i, idx_j);
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2849
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2850 if (! xisnan (tmp_min))
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2851 break;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2852 }
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2853
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2854 for (octave_idx_type j = idx_j+1; j < nc; j++)
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2855 {
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2856 double tmp = elem (i, j);
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2857
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2858 if (xisnan (tmp))
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2859 continue;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2860 else if (tmp < tmp_min)
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2861 {
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2862 idx_j = j;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2863 tmp_min = tmp;
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2864 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2865 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2866
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2867 result.elem (i) = tmp_min;
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2868 idx_arg.elem (i) = xisnan (tmp_min) ? 0 : idx_j;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2869 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2870 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2871
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2872 return result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2873 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2874
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2875 ColumnVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2876 Matrix::row_max (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2877 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2878 Array<octave_idx_type> dummy_idx;
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4574
diff changeset
2879 return row_max (dummy_idx);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2880 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2881
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2882 ColumnVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2883 Matrix::row_max (Array<octave_idx_type>& idx_arg) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2884 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2885 ColumnVector result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2886
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2887 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2888 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2889
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2890 if (nr > 0 && nc > 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2891 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2892 result.resize (nr);
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4574
diff changeset
2893 idx_arg.resize (nr);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2894
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2895 for (octave_idx_type i = 0; i < nr; i++)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2896 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2897 octave_idx_type idx_j;
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2898
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2899 double tmp_max = octave_NaN;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2900
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2901 for (idx_j = 0; idx_j < nc; idx_j++)
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2902 {
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2903 tmp_max = elem (i, idx_j);
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2904
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2905 if (! xisnan (tmp_max))
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2906 break;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2907 }
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2908
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2909 for (octave_idx_type j = idx_j+1; j < nc; j++)
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2910 {
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2911 double tmp = elem (i, j);
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2912
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2913 if (xisnan (tmp))
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2914 continue;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2915 else if (tmp > tmp_max)
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2916 {
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2917 idx_j = j;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2918 tmp_max = tmp;
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2919 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2920 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2921
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2922 result.elem (i) = tmp_max;
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2923 idx_arg.elem (i) = xisnan (tmp_max) ? 0 : idx_j;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2924 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2925 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2926
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2927 return result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2928 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2929
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2930 RowVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2931 Matrix::column_min (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2932 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2933 Array<octave_idx_type> dummy_idx;
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4574
diff changeset
2934 return column_min (dummy_idx);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2935 }
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2936
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2937 RowVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2938 Matrix::column_min (Array<octave_idx_type>& idx_arg) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2939 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2940 RowVector result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2941
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2942 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2943 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2944
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2945 if (nr > 0 && nc > 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2946 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2947 result.resize (nc);
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4574
diff changeset
2948 idx_arg.resize (nc);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2949
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2950 for (octave_idx_type j = 0; j < nc; j++)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2951 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2952 octave_idx_type idx_i;
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2953
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2954 double tmp_min = octave_NaN;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2955
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2956 for (idx_i = 0; idx_i < nr; idx_i++)
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2957 {
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2958 tmp_min = elem (idx_i, j);
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2959
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2960 if (! xisnan (tmp_min))
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2961 break;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2962 }
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2963
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2964 for (octave_idx_type i = idx_i+1; i < nr; i++)
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2965 {
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2966 double tmp = elem (i, j);
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2967
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2968 if (xisnan (tmp))
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2969 continue;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2970 else if (tmp < tmp_min)
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2971 {
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2972 idx_i = i;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2973 tmp_min = tmp;
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2974 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2975 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2976
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
2977 result.elem (j) = tmp_min;
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
2978 idx_arg.elem (j) = xisnan (tmp_min) ? 0 : idx_i;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2979 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2980 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2981
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2982 return result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2983 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2984
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2985 RowVector
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2986 Matrix::column_max (void) const
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2987 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2988 Array<octave_idx_type> dummy_idx;
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4574
diff changeset
2989 return column_max (dummy_idx);
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
2990 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2991
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2992 RowVector
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2993 Matrix::column_max (Array<octave_idx_type>& idx_arg) const
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2994 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2995 RowVector result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2996
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2997 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
2998 octave_idx_type nc = cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
2999
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3000 if (nr > 0 && nc > 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3001 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3002 result.resize (nc);
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4574
diff changeset
3003 idx_arg.resize (nc);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3004
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3005 for (octave_idx_type j = 0; j < nc; j++)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3006 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3007 octave_idx_type idx_i;
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3008
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3009 double tmp_max = octave_NaN;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3010
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3011 for (idx_i = 0; idx_i < nr; idx_i++)
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
3012 {
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3013 tmp_max = elem (idx_i, j);
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3014
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
3015 if (! xisnan (tmp_max))
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3016 break;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3017 }
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3018
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3019 for (octave_idx_type i = idx_i+1; i < nr; i++)
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3020 {
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3021 double tmp = elem (i, j);
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3022
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
3023 if (xisnan (tmp))
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3024 continue;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3025 else if (tmp > tmp_max)
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
3026 {
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3027 idx_i = i;
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3028 tmp_max = tmp;
2354
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
3029 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
3030 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe]
jwe
parents: 2349
diff changeset
3031
4469
53ee020af847 [project @ 2003-07-26 03:45:10 by jwe]
jwe
parents: 4431
diff changeset
3032 result.elem (j) = tmp_max;
5389
25c8956d2204 [project @ 2005-06-15 03:45:46 by jwe]
jwe
parents: 5387
diff changeset
3033 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_i;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3034 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3035 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3036
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3037 return result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3038 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3039
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
3040 std::ostream&
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
3041 operator << (std::ostream& os, const Matrix& a)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3042 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3043 for (octave_idx_type i = 0; i < a.rows (); i++)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3044 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3045 for (octave_idx_type j = 0; j < a.cols (); j++)
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 4083
diff changeset
3046 {
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 4083
diff changeset
3047 os << " ";
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 4083
diff changeset
3048 octave_write_double (os, a.elem (i, j));
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 4083
diff changeset
3049 }
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3050 os << "\n";
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3051 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3052 return os;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3053 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3054
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
3055 std::istream&
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
3056 operator >> (std::istream& is, Matrix& a)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3057 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3058 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3059 octave_idx_type nc = a.cols ();
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3060
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3061 if (nr < 1 || nc < 1)
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
3062 is.clear (std::ios::badbit);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3063 else
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3064 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3065 double tmp;
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3066 for (octave_idx_type i = 0; i < nr; i++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3067 for (octave_idx_type j = 0; j < nc; j++)
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3068 {
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 4083
diff changeset
3069 tmp = octave_read_double (is);
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3070 if (is)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3071 a.elem (i, j) = tmp;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3072 else
2795
14d07e4a0265 [project @ 1997-03-07 02:18:49 by jwe]
jwe
parents: 2676
diff changeset
3073 goto done;
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3074 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3075 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3076
2795
14d07e4a0265 [project @ 1997-03-07 02:18:49 by jwe]
jwe
parents: 2676
diff changeset
3077 done:
14d07e4a0265 [project @ 1997-03-07 02:18:49 by jwe]
jwe
parents: 2676
diff changeset
3078
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3079 return is;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3080 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3081
1819
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3082 Matrix
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3083 Givens (double x, double y)
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3084 {
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3085 double cc, s, temp_r;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3086
3887
7da18459c08b [project @ 2002-04-04 00:44:21 by jwe]
jwe
parents: 3864
diff changeset
3087 F77_FUNC (dlartg, DLARTG) (x, y, cc, s, temp_r);
1819
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3088
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3089 Matrix g (2, 2);
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3090
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3091 g.elem (0, 0) = cc;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3092 g.elem (1, 1) = cc;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3093 g.elem (0, 1) = s;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3094 g.elem (1, 0) = -s;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3095
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3096 return g;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3097 }
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3098
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3099 Matrix
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3100 Sylvester (const Matrix& a, const Matrix& b, const Matrix& c)
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3101 {
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3102 Matrix retval;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3103
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5717
diff changeset
3104 // FIXME -- need to check that a, b, and c are all the same
1819
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3105 // size.
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3106
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3107 // Compute Schur decompositions.
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3108
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3109 SCHUR as (a, "U");
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3110 SCHUR bs (b, "U");
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3111
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3112 // Transform c to new coordinates.
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3113
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3114 Matrix ua = as.unitary_matrix ();
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3115 Matrix sch_a = as.schur_matrix ();
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3116
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3117 Matrix ub = bs.unitary_matrix ();
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3118 Matrix sch_b = bs.schur_matrix ();
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3119
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3120 Matrix cx = ua.transpose () * c * ub;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3121
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3122 // Solve the sylvester equation, back-transform, and return the
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3123 // solution.
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3124
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3125 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3126 octave_idx_type b_nr = b.rows ();
1819
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3127
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3128 double scale;
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3129 octave_idx_type info;
1819
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3130
1950
ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe]
jwe
parents: 1948
diff changeset
3131 double *pa = sch_a.fortran_vec ();
ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe]
jwe
parents: 1948
diff changeset
3132 double *pb = sch_b.fortran_vec ();
ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe]
jwe
parents: 1948
diff changeset
3133 double *px = cx.fortran_vec ();
ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe]
jwe
parents: 1948
diff changeset
3134
4552
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
3135 F77_XFCN (dtrsyl, DTRSYL, (F77_CONST_CHAR_ARG2 ("N", 1),
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
3136 F77_CONST_CHAR_ARG2 ("N", 1),
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
3137 1, a_nr, b_nr, pa, a_nr, pb,
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
3138 b_nr, px, a_nr, scale, info
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
3139 F77_CHAR_ARG_LEN (1)
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe]
jwe
parents: 4513
diff changeset
3140 F77_CHAR_ARG_LEN (1)));
1950
ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe]
jwe
parents: 1948
diff changeset
3141
ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe]
jwe
parents: 1948
diff changeset
3142
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
3143 // FIXME -- check info?
1819
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3144
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7478
diff changeset
3145 retval = -ua*cx*ub.transpose ();
1819
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3146
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3147 return retval;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3148 }
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe]
jwe
parents: 1698
diff changeset
3149
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3150 // matrix by matrix -> matrix operations
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3151
6162
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3152 /* Simple Dot Product, Matrix-Vector and Matrix-Matrix Unit tests
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3153 %!assert([1 2 3] * [ 4 ; 5 ; 6], 32, 1e-14)
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3154 %!assert([1 2 ; 3 4 ] * [5 ; 6], [17 ; 39 ], 1e-14)
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3155 %!assert([1 2 ; 3 4 ] * [5 6 ; 7 8], [19 22; 43 50], 1e-14)
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3156 */
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3157
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3158 /* Test some simple identities
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3159 %!shared M, cv, rv
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3160 %! M = randn(10,10);
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3161 %! cv = randn(10,1);
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3162 %! rv = randn(1,10);
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3163 %!assert([M*cv,M*cv],M*[cv,cv],1e-14)
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3164 %!assert([rv*M;rv*M],[rv;rv]*M,1e-14)
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3165 %!assert(2*rv*cv,[rv,rv]*[cv;cv],1e-14)
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3166 */
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe]
jwe
parents: 5983
diff changeset
3167
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3168 static const char *
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3169 get_blas_trans_arg (bool trans)
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3170 {
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3171 static char blas_notrans = 'N', blas_trans = 'T';
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3172 return (trans) ? &blas_trans : &blas_notrans;
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3173 }
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3174
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3175 // the general GEMM operation
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3176
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3177 Matrix
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3178 xgemm (bool transa, const Matrix& a, bool transb, const Matrix& b)
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3179 {
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3180 Matrix retval;
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3181
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3182 octave_idx_type a_nr = transa ? a.cols () : a.rows ();
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3183 octave_idx_type a_nc = transa ? a.rows () : a.cols ();
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3184
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3185 octave_idx_type b_nr = transb ? b.cols () : b.rows ();
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3186 octave_idx_type b_nc = transb ? b.rows () : b.cols ();
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3187
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3188 if (a_nc != b_nr)
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3189 gripe_nonconformant ("operator *", a_nr, a_nc, b_nr, b_nc);
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3190 else
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3191 {
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3192 if (a_nr == 0 || a_nc == 0 || b_nc == 0)
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3193 retval.resize (a_nr, b_nc, 0.0);
7801
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3194 else if (a.data () == b.data () && a_nr == b_nc && transa != transb)
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3195 {
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3196 octave_idx_type lda = a.rows ();
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3197
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3198 retval.resize (a_nr, b_nc);
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3199 double *c = retval.fortran_vec ();
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3200
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3201 const char *ctransa = get_blas_trans_arg (transa);
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3202 F77_XFCN (dsyrk, DSYRK, (F77_CONST_CHAR_ARG2 ("U", 1),
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3203 F77_CONST_CHAR_ARG2 (ctransa, 1),
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3204 a_nr, a_nc, 1.0,
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3205 a.data (), lda, 0.0, c, a_nr
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3206 F77_CHAR_ARG_LEN (1)
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3207 F77_CHAR_ARG_LEN (1)));
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3208 for (int j = 0; j < a_nr; j++)
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3209 for (int i = 0; i < j; i++)
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3210 retval.xelem (j,i) = retval.xelem (i,j);
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3211
776791438957 map symmetric cases to xHERK, xSYRK
Jaroslav Hajek <highegg@gmail.com>
parents: 7800
diff changeset
3212 }
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3213 else
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3214 {
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3215 octave_idx_type lda = a.rows (), tda = a.cols ();
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3216 octave_idx_type ldb = b.rows (), tdb = b.cols ();
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3217
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3218 retval.resize (a_nr, b_nc);
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3219 double *c = retval.fortran_vec ();
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3220
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3221 if (b_nc == 1)
5983
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe]
jwe
parents: 5958
diff changeset
3222 {
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3223 if (a_nr == 1)
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3224 F77_FUNC (xddot, XDDOT) (a_nc, a.data (), 1, b.data (), 1, *c);
5983
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe]
jwe
parents: 5958
diff changeset
3225 else
6390
334499d75c5c [project @ 2007-03-07 18:11:28 by jwe]
jwe
parents: 6209
diff changeset
3226 {
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3227 const char *ctransa = get_blas_trans_arg (transa);
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3228 F77_XFCN (dgemv, DGEMV, (F77_CONST_CHAR_ARG2 (ctransa, 1),
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3229 lda, tda, 1.0, a.data (), lda,
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3230 b.data (), 1, 0.0, c, 1
6390
334499d75c5c [project @ 2007-03-07 18:11:28 by jwe]
jwe
parents: 6209
diff changeset
3231 F77_CHAR_ARG_LEN (1)));
334499d75c5c [project @ 2007-03-07 18:11:28 by jwe]
jwe
parents: 6209
diff changeset
3232 }
5983
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe]
jwe
parents: 5958
diff changeset
3233 }
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3234 else if (a_nr == 1)
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3235 {
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3236 const char *crevtransb = get_blas_trans_arg (! transb);
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3237 F77_XFCN (dgemv, DGEMV, (F77_CONST_CHAR_ARG2 (crevtransb, 1),
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3238 ldb, tdb, 1.0, b.data (), ldb,
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3239 a.data (), 1, 0.0, c, 1
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3240 F77_CHAR_ARG_LEN (1)));
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3241 }
5983
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe]
jwe
parents: 5958
diff changeset
3242 else
6390
334499d75c5c [project @ 2007-03-07 18:11:28 by jwe]
jwe
parents: 6209
diff changeset
3243 {
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3244 const char *ctransa = get_blas_trans_arg (transa);
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3245 const char *ctransb = get_blas_trans_arg (transb);
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3246 F77_XFCN (dgemm, DGEMM, (F77_CONST_CHAR_ARG2 (ctransa, 1),
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3247 F77_CONST_CHAR_ARG2 (ctransb, 1),
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3248 a_nr, b_nc, a_nc, 1.0, a.data (),
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3249 lda, b.data (), ldb, 0.0, c, a_nr
6390
334499d75c5c [project @ 2007-03-07 18:11:28 by jwe]
jwe
parents: 6209
diff changeset
3250 F77_CHAR_ARG_LEN (1)
334499d75c5c [project @ 2007-03-07 18:11:28 by jwe]
jwe
parents: 6209
diff changeset
3251 F77_CHAR_ARG_LEN (1)));
334499d75c5c [project @ 2007-03-07 18:11:28 by jwe]
jwe
parents: 6209
diff changeset
3252 }
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3253 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3254 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3255
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3256 return retval;
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3257 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
3258
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3259 Matrix
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3260 operator * (const Matrix& a, const Matrix& b)
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3261 {
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3262 return xgemm (false, a, false, b);
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3263 }
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
3264
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5717
diff changeset
3265 // FIXME -- it would be nice to share code among the min/max
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3266 // functions below.
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3267
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3268 #define EMPTY_RETURN_CHECK(T) \
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3269 if (nr == 0 || nc == 0) \
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3270 return T (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3271
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3272 Matrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3273 min (double d, const Matrix& m)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3274 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3275 octave_idx_type nr = m.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3276 octave_idx_type nc = m.columns ();
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3277
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3278 EMPTY_RETURN_CHECK (Matrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3279
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3280 Matrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3281
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3282 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3283 for (octave_idx_type i = 0; i < nr; i++)
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3284 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3285 OCTAVE_QUIT;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3286 result (i, j) = xmin (d, m (i, j));
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3287 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3288
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3289 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3290 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3291
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3292 Matrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3293 min (const Matrix& m, double d)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3294 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3295 octave_idx_type nr = m.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3296 octave_idx_type nc = m.columns ();
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3297
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3298 EMPTY_RETURN_CHECK (Matrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3299
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3300 Matrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3301
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3302 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3303 for (octave_idx_type i = 0; i < nr; i++)
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3304 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3305 OCTAVE_QUIT;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3306 result (i, j) = xmin (m (i, j), d);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3307 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3308
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3309 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3310 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3311
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3312 Matrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3313 min (const Matrix& a, const Matrix& b)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3314 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3315 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3316 octave_idx_type nc = a.columns ();
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3317
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3318 if (nr != b.rows () || nc != b.columns ())
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3319 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3320 (*current_liboctave_error_handler)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3321 ("two-arg min expecting args of same size");
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3322 return Matrix ();
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3323 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3324
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3325 EMPTY_RETURN_CHECK (Matrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3326
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3327 Matrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3328
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3329 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3330 for (octave_idx_type i = 0; i < nr; i++)
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3331 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3332 OCTAVE_QUIT;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3333 result (i, j) = xmin (a (i, j), b (i, j));
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3334 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3335
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3336 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3337 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3338
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3339 Matrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3340 max (double d, const Matrix& m)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3341 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3342 octave_idx_type nr = m.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3343 octave_idx_type nc = m.columns ();
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3344
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3345 EMPTY_RETURN_CHECK (Matrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3346
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3347 Matrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3348
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3349 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3350 for (octave_idx_type i = 0; i < nr; i++)
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3351 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3352 OCTAVE_QUIT;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3353 result (i, j) = xmax (d, m (i, j));
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3354 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3355
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3356 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3357 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3358
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3359 Matrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3360 max (const Matrix& m, double d)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3361 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3362 octave_idx_type nr = m.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3363 octave_idx_type nc = m.columns ();
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3364
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3365 EMPTY_RETURN_CHECK (Matrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3366
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3367 Matrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3368
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3369 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3370 for (octave_idx_type i = 0; i < nr; i++)
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3371 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3372 OCTAVE_QUIT;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3373 result (i, j) = xmax (m (i, j), d);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3374 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3375
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3376 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3377 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3378
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3379 Matrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3380 max (const Matrix& a, const Matrix& b)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3381 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3382 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3383 octave_idx_type nc = a.columns ();
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3384
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3385 if (nr != b.rows () || nc != b.columns ())
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3386 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3387 (*current_liboctave_error_handler)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3388 ("two-arg max expecting args of same size");
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3389 return Matrix ();
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3390 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3391
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3392 EMPTY_RETURN_CHECK (Matrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3393
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3394 Matrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3395
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3396 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
3397 for (octave_idx_type i = 0; i < nr; i++)
4309
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3398 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3399 OCTAVE_QUIT;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3400 result (i, j) = xmax (a (i, j), b (i, j));
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3401 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3402
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3403 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3404 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe]
jwe
parents: 4293
diff changeset
3405
2870
3241d0057e78 [project @ 1997-04-19 01:21:29 by jwe]
jwe
parents: 2847
diff changeset
3406 MS_CMP_OPS(Matrix, , double, )
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
3407 MS_BOOL_OPS(Matrix, double, 0.0)
2870
3241d0057e78 [project @ 1997-04-19 01:21:29 by jwe]
jwe
parents: 2847
diff changeset
3408
3241d0057e78 [project @ 1997-04-19 01:21:29 by jwe]
jwe
parents: 2847
diff changeset
3409 SM_CMP_OPS(double, , Matrix, )
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
3410 SM_BOOL_OPS(double, Matrix, 0.0)
2870
3241d0057e78 [project @ 1997-04-19 01:21:29 by jwe]
jwe
parents: 2847
diff changeset
3411
3241d0057e78 [project @ 1997-04-19 01:21:29 by jwe]
jwe
parents: 2847
diff changeset
3412 MM_CMP_OPS(Matrix, , Matrix, )
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
3413 MM_BOOL_OPS(Matrix, Matrix, 0.0)
2870
3241d0057e78 [project @ 1997-04-19 01:21:29 by jwe]
jwe
parents: 2847
diff changeset
3414
458
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3415 /*
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3416 ;;; Local Variables: ***
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3417 ;;; mode: C++ ***
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3418 ;;; End: ***
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe]
jwe
parents:
diff changeset
3419 */