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annotate liboctave/fMatrix.cc @ 10350:12884915a8e4

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merge MArray classes & improve Array interface
author Jaroslav Hajek <highegg@gmail.com>
date Sat, 23 Jan 2010 21:41:03 +0100
parents 07ebe522dac2
children a3635bc1ea19
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1 // Matrix manipulations.
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2 /*
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3
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4 Copyright (C) 2008, 2009 Jaroslav Hajek
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5 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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6 2003, 2004, 2005, 2006, 2007 John W. Eaton
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7 Copyright (C) 2009 VZLU Prague, a.s.
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8
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9 This file is part of Octave.
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10
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11 Octave is free software; you can redistribute it and/or modify it
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12 under the terms of the GNU General Public License as published by the
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13 Free Software Foundation; either version 3 of the License, or (at your
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14 option) any later version.
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15
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16 Octave is distributed in the hope that it will be useful, but WITHOUT
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17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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19 for more details.
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20
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21 You should have received a copy of the GNU General Public License
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22 along with Octave; see the file COPYING. If not, see
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23 <http://www.gnu.org/licenses/>.
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24
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25 */
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26
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27 #ifdef HAVE_CONFIG_H
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28 #include <config.h>
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29 #endif
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30
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31 #include <cfloat>
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32
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33 #include <iostream>
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34 #include <vector>
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35
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36 #include "Array-util.h"
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37 #include "DET.h"
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38 #include "byte-swap.h"
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39 #include "f77-fcn.h"
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40 #include "fMatrix.h"
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41 #include "floatCHOL.h"
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42 #include "floatSCHUR.h"
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43 #include "floatSVD.h"
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44 #include "functor.h"
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45 #include "lo-error.h"
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46 #include "lo-ieee.h"
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47 #include "lo-mappers.h"
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48 #include "lo-utils.h"
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49 #include "mx-base.h"
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50 #include "mx-fdm-fm.h"
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51 #include "mx-fm-fdm.h"
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52 #include "mx-inlines.cc"
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53 #include "mx-op-defs.h"
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54 #include "oct-cmplx.h"
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55 #include "oct-fftw.h"
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56 #include "oct-locbuf.h"
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57 #include "oct-norm.h"
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58 #include "quit.h"
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59
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60 // Fortran functions we call.
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61
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62 extern "C"
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63 {
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64 F77_RET_T
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65 F77_FUNC (xilaenv, XILAENV) (const octave_idx_type&, F77_CONST_CHAR_ARG_DECL,
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66 F77_CONST_CHAR_ARG_DECL,
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67 const octave_idx_type&, const octave_idx_type&,
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68 const octave_idx_type&, const octave_idx_type&,
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69 octave_idx_type&
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70 F77_CHAR_ARG_LEN_DECL F77_CHAR_ARG_LEN_DECL);
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71
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72 F77_RET_T
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73 F77_FUNC (sgebal, SGEBAL) (F77_CONST_CHAR_ARG_DECL,
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74 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&,
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75 octave_idx_type&, float*, octave_idx_type&
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76 F77_CHAR_ARG_LEN_DECL);
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77
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78 F77_RET_T
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79 F77_FUNC (sgebak, SGEBAK) (F77_CONST_CHAR_ARG_DECL,
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80 F77_CONST_CHAR_ARG_DECL,
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81 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&, float*,
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82 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&
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83 F77_CHAR_ARG_LEN_DECL
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84 F77_CHAR_ARG_LEN_DECL);
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86
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87 F77_RET_T
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88 F77_FUNC (sgemm, SGEMM) (F77_CONST_CHAR_ARG_DECL,
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89 F77_CONST_CHAR_ARG_DECL,
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90 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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91 const float&, const float*, const octave_idx_type&,
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92 const float*, const octave_idx_type&, const float&,
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93 float*, const octave_idx_type&
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94 F77_CHAR_ARG_LEN_DECL
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95 F77_CHAR_ARG_LEN_DECL);
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96
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97 F77_RET_T
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98 F77_FUNC (sgemv, SGEMV) (F77_CONST_CHAR_ARG_DECL,
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99 const octave_idx_type&, const octave_idx_type&, const float&,
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100 const float*, const octave_idx_type&, const float*,
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101 const octave_idx_type&, const float&, float*,
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102 const octave_idx_type&
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103 F77_CHAR_ARG_LEN_DECL);
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104
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105 F77_RET_T
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106 F77_FUNC (xsdot, XSDOT) (const octave_idx_type&, const float*, const octave_idx_type&,
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107 const float*, const octave_idx_type&, float&);
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108
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109 F77_RET_T
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110 F77_FUNC (ssyrk, SSYRK) (F77_CONST_CHAR_ARG_DECL,
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111 F77_CONST_CHAR_ARG_DECL,
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112 const octave_idx_type&, const octave_idx_type&,
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113 const float&, const float*, const octave_idx_type&,
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114 const float&, float*, const octave_idx_type&
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115 F77_CHAR_ARG_LEN_DECL
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116 F77_CHAR_ARG_LEN_DECL);
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117
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118 F77_RET_T
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119 F77_FUNC (sgetrf, SGETRF) (const octave_idx_type&, const octave_idx_type&, float*, const octave_idx_type&,
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120 octave_idx_type*, octave_idx_type&);
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121
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122 F77_RET_T
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123 F77_FUNC (sgetrs, SGETRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, const octave_idx_type&,
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124 const float*, const octave_idx_type&,
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125 const octave_idx_type*, float*, const octave_idx_type&, octave_idx_type&
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126 F77_CHAR_ARG_LEN_DECL);
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127
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128 F77_RET_T
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129 F77_FUNC (sgetri, SGETRI) (const octave_idx_type&, float*, const octave_idx_type&, const octave_idx_type*,
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130 float*, const octave_idx_type&, octave_idx_type&);
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131
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132 F77_RET_T
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133 F77_FUNC (sgecon, SGECON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, float*,
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134 const octave_idx_type&, const float&, float&,
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135 float*, octave_idx_type*, octave_idx_type&
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136 F77_CHAR_ARG_LEN_DECL);
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137
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138 F77_RET_T
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139 F77_FUNC (sgelsy, SGELSY) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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140 float*, const octave_idx_type&, float*,
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141 const octave_idx_type&, octave_idx_type*, float&, octave_idx_type&,
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142 float*, const octave_idx_type&, octave_idx_type&);
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143
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144 F77_RET_T
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145 F77_FUNC (sgelsd, SGELSD) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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146 float*, const octave_idx_type&, float*,
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147 const octave_idx_type&, float*, float&, octave_idx_type&,
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148 float*, const octave_idx_type&, octave_idx_type*,
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149 octave_idx_type&);
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150
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151 F77_RET_T
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152 F77_FUNC (spotrf, SPOTRF) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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153 float *, const octave_idx_type&,
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154 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
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155
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156 F77_RET_T
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157 F77_FUNC (spocon, SPOCON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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158 float*, const octave_idx_type&, const float&,
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159 float&, float*, octave_idx_type*,
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160 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
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161 F77_RET_T
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162 F77_FUNC (spotrs, SPOTRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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163 const octave_idx_type&, const float*,
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164 const octave_idx_type&, float*,
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165 const octave_idx_type&, octave_idx_type&
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166 F77_CHAR_ARG_LEN_DECL);
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167
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168 F77_RET_T
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169 F77_FUNC (strtri, STRTRI) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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170 const octave_idx_type&, const float*,
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171 const octave_idx_type&, octave_idx_type&
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172 F77_CHAR_ARG_LEN_DECL
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173 F77_CHAR_ARG_LEN_DECL);
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174 F77_RET_T
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175 F77_FUNC (strcon, STRCON) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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176 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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177 const float*, const octave_idx_type&, float&,
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178 float*, octave_idx_type*, octave_idx_type&
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179 F77_CHAR_ARG_LEN_DECL
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180 F77_CHAR_ARG_LEN_DECL
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181 F77_CHAR_ARG_LEN_DECL);
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182 F77_RET_T
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183 F77_FUNC (strtrs, STRTRS) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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184 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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185 const octave_idx_type&, const float*,
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186 const octave_idx_type&, float*,
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187 const octave_idx_type&, octave_idx_type&
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188 F77_CHAR_ARG_LEN_DECL
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189 F77_CHAR_ARG_LEN_DECL
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190 F77_CHAR_ARG_LEN_DECL);
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191
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192 F77_RET_T
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193 F77_FUNC (slartg, SLARTG) (const float&, const float&, float&,
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194 float&, float&);
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195
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196 F77_RET_T
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197 F77_FUNC (strsyl, STRSYL) (F77_CONST_CHAR_ARG_DECL,
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198 F77_CONST_CHAR_ARG_DECL,
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199 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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200 const float*, const octave_idx_type&, const float*,
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201 const octave_idx_type&, const float*, const octave_idx_type&,
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202 float&, octave_idx_type&
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203 F77_CHAR_ARG_LEN_DECL
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204 F77_CHAR_ARG_LEN_DECL);
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205
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206 F77_RET_T
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207 F77_FUNC (xslange, XSLANGE) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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208 const octave_idx_type&, const float*,
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209 const octave_idx_type&, float*, float&
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210 F77_CHAR_ARG_LEN_DECL);
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211 }
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212
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213 // Matrix class.
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214
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215 FloatMatrix::FloatMatrix (const FloatRowVector& rv)
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216 : MArray<float> (rv)
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217 {
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218 }
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219
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220 FloatMatrix::FloatMatrix (const FloatColumnVector& cv)
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221 : MArray<float> (cv)
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222 {
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223 }
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224
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225 FloatMatrix::FloatMatrix (const FloatDiagMatrix& a)
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226 : MArray<float> (a.rows (), a.cols (), 0.0)
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227 {
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228 for (octave_idx_type i = 0; i < a.length (); i++)
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229 elem (i, i) = a.elem (i, i);
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230 }
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231
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232 FloatMatrix::FloatMatrix (const PermMatrix& a)
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233 : MArray<float> (a.rows (), a.cols (), 0.0)
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234 {
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235 const Array<octave_idx_type> ia (a.pvec ());
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236 octave_idx_type len = a.rows ();
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237 if (a.is_col_perm ())
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238 for (octave_idx_type i = 0; i < len; i++)
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239 elem (ia(i), i) = 1.0;
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240 else
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241 for (octave_idx_type i = 0; i < len; i++)
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242 elem (i, ia(i)) = 1.0;
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243 }
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244
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245 // FIXME -- could we use a templated mixed-type copy function
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246 // here?
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247
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248 FloatMatrix::FloatMatrix (const boolMatrix& a)
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249 : MArray<float> (a)
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250 {
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251 }
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252
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253 FloatMatrix::FloatMatrix (const charMatrix& a)
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254 : MArray<float> (a.rows (), a.cols ())
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255 {
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256 for (octave_idx_type i = 0; i < a.rows (); i++)
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257 for (octave_idx_type j = 0; j < a.cols (); j++)
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258 elem (i, j) = static_cast<unsigned char> (a.elem (i, j));
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259 }
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260
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261 bool
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262 FloatMatrix::operator == (const FloatMatrix& a) const
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263 {
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264 if (rows () != a.rows () || cols () != a.cols ())
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265 return false;
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266
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267 return mx_inline_equal (length (), data (), a.data ());
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268 }
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269
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270 bool
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271 FloatMatrix::operator != (const FloatMatrix& a) const
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272 {
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273 return !(*this == a);
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274 }
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275
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276 bool
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277 FloatMatrix::is_symmetric (void) const
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278 {
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279 if (is_square () && rows () > 0)
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280 {
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281 for (octave_idx_type i = 0; i < rows (); i++)
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282 for (octave_idx_type j = i+1; j < cols (); j++)
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283 if (elem (i, j) != elem (j, i))
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284 return false;
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285
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286 return true;
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287 }
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288
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289 return false;
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290 }
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291
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292 FloatMatrix&
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293 FloatMatrix::insert (const FloatMatrix& a, octave_idx_type r, octave_idx_type c)
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294 {
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Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
295 Array<float>::insert (a, r, c);
7789
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296 return *this;
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parents:
diff changeset
297 }
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parents:
diff changeset
298
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parents:
diff changeset
299 FloatMatrix&
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parents:
diff changeset
300 FloatMatrix::insert (const FloatRowVector& a, octave_idx_type r, octave_idx_type c)
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parents:
diff changeset
301 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
302 octave_idx_type a_len = a.length ();
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parents:
diff changeset
303
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parents:
diff changeset
304 if (r < 0 || r >= rows () || c < 0 || c + a_len > cols ())
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parents:
diff changeset
305 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
306 (*current_liboctave_error_handler) ("range error for insert");
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parents:
diff changeset
307 return *this;
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parents:
diff changeset
308 }
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parents:
diff changeset
309
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parents:
diff changeset
310 if (a_len > 0)
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parents:
diff changeset
311 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
312 make_unique ();
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parents:
diff changeset
313
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parents:
diff changeset
314 for (octave_idx_type i = 0; i < a_len; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
315 xelem (r, c+i) = a.elem (i);
7789
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316 }
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parents:
diff changeset
317
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parents:
diff changeset
318 return *this;
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parents:
diff changeset
319 }
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parents:
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320
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parents:
diff changeset
321 FloatMatrix&
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parents:
diff changeset
322 FloatMatrix::insert (const FloatColumnVector& a, octave_idx_type r, octave_idx_type c)
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parents:
diff changeset
323 {
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parents:
diff changeset
324 octave_idx_type a_len = a.length ();
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parents:
diff changeset
325
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parents:
diff changeset
326 if (r < 0 || r + a_len > rows () || c < 0 || c >= cols ())
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parents:
diff changeset
327 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
328 (*current_liboctave_error_handler) ("range error for insert");
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parents:
diff changeset
329 return *this;
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parents:
diff changeset
330 }
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parents:
diff changeset
331
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parents:
diff changeset
332 if (a_len > 0)
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parents:
diff changeset
333 {
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parents:
diff changeset
334 make_unique ();
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parents:
diff changeset
335
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parents:
diff changeset
336 for (octave_idx_type i = 0; i < a_len; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
337 xelem (r+i, c) = a.elem (i);
7789
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338 }
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parents:
diff changeset
339
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parents:
diff changeset
340 return *this;
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parents:
diff changeset
341 }
82be108cc558 First attempt at single precision tyeps
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parents:
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342
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parents:
diff changeset
343 FloatMatrix&
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parents:
diff changeset
344 FloatMatrix::insert (const FloatDiagMatrix& a, octave_idx_type r, octave_idx_type c)
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parents:
diff changeset
345 {
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parents:
diff changeset
346 octave_idx_type a_nr = a.rows ();
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parents:
diff changeset
347 octave_idx_type a_nc = a.cols ();
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parents:
diff changeset
348
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parents:
diff changeset
349 if (r < 0 || r + a_nr > rows () || c < 0 || c + a_nc > cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
350 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
351 (*current_liboctave_error_handler) ("range error for insert");
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parents:
diff changeset
352 return *this;
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parents:
diff changeset
353 }
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
354
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David Bateman <dbateman@free.fr>
parents:
diff changeset
355 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1);
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parents:
diff changeset
356
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parents:
diff changeset
357 octave_idx_type a_len = a.length ();
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parents:
diff changeset
358
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
359 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
360 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
361 make_unique ();
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
362
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
363 for (octave_idx_type i = 0; i < a_len; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
364 xelem (r+i, c+i) = a.elem (i, i);
7789
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parents:
diff changeset
365 }
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
366
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
367 return *this;
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
368 }
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
369
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
370 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
371 FloatMatrix::fill (float val)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
372 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
373 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
374 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
375
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
376 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
377 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
378 make_unique ();
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
379
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
380 for (octave_idx_type j = 0; j < nc; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
381 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
382 xelem (i, j) = val;
7789
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parents:
diff changeset
383 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
384
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
385 return *this;
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
386 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
387
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
388 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
389 FloatMatrix::fill (float val, octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
390 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
391 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
392 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
393
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
394 if (r1 < 0 || r2 < 0 || c1 < 0 || c2 < 0
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
395 || r1 >= nr || r2 >= nr || c1 >= nc || c2 >= nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
396 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
397 (*current_liboctave_error_handler) ("range error for fill");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
398 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
399 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
400
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
401 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
402 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
403
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
404 if (r2 >= r1 && c2 >= c1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
405 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
406 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
407
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
408 for (octave_idx_type j = c1; j <= c2; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
409 for (octave_idx_type i = r1; i <= r2; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
410 xelem (i, j) = val;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
411 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
412
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
413 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
414 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
415
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
416 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
417 FloatMatrix::append (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
418 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
419 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
420 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
421 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
422 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
423 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
424 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
425 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
426
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
427 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
428 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
429 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
430 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
431 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
432 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
433
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
434 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
435 FloatMatrix::append (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
436 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
437 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
438 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
439 if (nr != 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
440 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
441 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
442 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
443 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
444
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
445 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
446 FloatMatrix retval (nr, nc + a.length ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
447 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
448 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
449 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
450 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
451
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
452 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
453 FloatMatrix::append (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
454 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
455 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
456 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
457 if (nr != a.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
458 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
459 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
460 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
461 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
462
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
463 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
464 FloatMatrix retval (nr, nc + 1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
465 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
466 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
467 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
468 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
469
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
470 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
471 FloatMatrix::append (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
472 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
473 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
474 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
475 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
476 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
477 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
478 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
479 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
480
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
481 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
482 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
483 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
484 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
485 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
486 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
487
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
488 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
489 FloatMatrix::stack (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
490 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
491 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
492 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
493 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
494 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
495 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
496 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
497 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
498 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
499
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
500 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
501 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
502 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
503 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
504 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
505 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
506
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
507 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
508 FloatMatrix::stack (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
509 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
510 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
511 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
512 if (nc != a.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
513 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
514 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
515 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
516 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
517 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
518
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
519 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
520 FloatMatrix retval (nr + 1, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
521 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
522 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
523 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
524 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
525
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
526 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
527 FloatMatrix::stack (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
528 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
529 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
530 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
531 if (nc != 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
532 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
533 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
534 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
535 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
536 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
537
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
538 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
539 FloatMatrix retval (nr + a.length (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
540 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
541 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
542 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
543 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
544
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
545 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
546 FloatMatrix::stack (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
547 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
548 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
549 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
550 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
551 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
552 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
553 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
554 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
555 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
556
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
557 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
558 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
559 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
560 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
561 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
562 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
563
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
564 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
565 real (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
566 {
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
567 return FloatMatrix (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
568 a.rows (), a.cols ());
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
569 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
570
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
571 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
572 imag (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
573 {
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
574 return FloatMatrix (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
575 a.rows (), a.cols ());
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
576 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
577
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
578 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
579 FloatMatrix::extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
580 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
581 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
582 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
583
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
584 octave_idx_type new_r = r2 - r1 + 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
585 octave_idx_type new_c = c2 - c1 + 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
586
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
587 FloatMatrix result (new_r, new_c);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
588
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
589 for (octave_idx_type j = 0; j < new_c; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
590 for (octave_idx_type i = 0; i < new_r; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
591 result.xelem (i, j) = elem (r1+i, c1+j);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
592
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
593 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
594 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
595
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
596 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
597 FloatMatrix::extract_n (octave_idx_type r1, octave_idx_type c1, octave_idx_type nr, octave_idx_type nc) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
598 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
599 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
600
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
601 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
602 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
603 result.xelem (i, j) = elem (r1+i, c1+j);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
604
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
605 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
606 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
607
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
608 // extract row or column i.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
609
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
610 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
611 FloatMatrix::row (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
612 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
613 return index (idx_vector (i), idx_vector::colon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
614 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
615
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
616 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
617 FloatMatrix::column (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
618 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
619 return index (idx_vector::colon, idx_vector (i));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
620 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
621
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
622 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
623 FloatMatrix::inverse (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
624 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
625 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
626 float rcon;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
627 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
628 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
629 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
630
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
631 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
632 FloatMatrix::inverse (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
633 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
634 float rcon;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
635 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
636 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
637 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
638
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
639 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
640 FloatMatrix::inverse (octave_idx_type& info, float& rcon, int force,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
641 int calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
642 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
643 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
644 return inverse (mattype, info, rcon, force, calc_cond);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
645 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
646
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
647 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
648 FloatMatrix::inverse (MatrixType& mattype) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
649 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
650 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
651 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
652 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
653 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
654
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
655 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
656 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
657 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
658 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
659 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
660 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
661
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
662 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
663 FloatMatrix::tinverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
664 int force, int calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
665 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
666 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
667
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
668 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
669 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
670
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
671 if (nr != nc || nr == 0 || nc == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
672 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
673 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
674 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
675 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
676 char uplo = (typ == MatrixType::Lower ? 'L' : 'U');
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
677 char udiag = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
678 retval = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
679 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
680
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
681 F77_XFCN (strtri, STRTRI, (F77_CONST_CHAR_ARG2 (&uplo, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
682 F77_CONST_CHAR_ARG2 (&udiag, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
683 nr, tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
684 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
685 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
686
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
687 // Throw-away extra info LAPACK gives so as to not change output.
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
688 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
689 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
690 info = -1;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
691 else if (calc_cond)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
692 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
693 octave_idx_type dtrcon_info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
694 char job = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
695
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
696 OCTAVE_LOCAL_BUFFER (float, work, 3 * nr);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
697 OCTAVE_LOCAL_BUFFER (octave_idx_type, iwork, nr);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
698
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
699 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
700 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
701 F77_CONST_CHAR_ARG2 (&udiag, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
702 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
703 work, iwork, dtrcon_info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
704 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
705 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
706 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
707
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
708 if (dtrcon_info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
709 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
710 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
711
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
712 if (info == -1 && ! force)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
713 retval = *this; // Restore matrix contents.
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
714 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
715
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
716 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
717 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
718
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
719
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
720 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
721 FloatMatrix::finverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
722 int force, int calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
723 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
724 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
725
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
726 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
727 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
728
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
729 if (nr != nc || nr == 0 || nc == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
730 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
731 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
732 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
733 Array<octave_idx_type> ipvt (nr, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
734 octave_idx_type *pipvt = ipvt.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
735
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
736 retval = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
737 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
738
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
739 Array<float> z(1, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
740 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
741
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
742 // Query the optimum work array size.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
743 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
744 z.fortran_vec (), lwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
745
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
746 lwork = static_cast<octave_idx_type> (z(0));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
747 lwork = (lwork < 2 *nc ? 2*nc : lwork);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
748 z.resize (lwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
749 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
750
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
751 info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
752
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
753 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
754 float anorm = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
755 if (calc_cond)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
756 anorm = retval.abs().sum().row(static_cast<octave_idx_type>(0)).max();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
757
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
758 F77_XFCN (sgetrf, SGETRF, (nc, nc, tmp_data, nr, pipvt, info));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
759
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
760 // Throw-away extra info LAPACK gives so as to not change output.
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
761 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
762 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
763 info = -1;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
764 else if (calc_cond)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
765 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
766 octave_idx_type dgecon_info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
767
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
768 // Now calculate the condition number for non-singular matrix.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
769 char job = '1';
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
770 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
771 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
772 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
773 nc, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
774 rcon, pz, piz, dgecon_info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
775 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
776
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
777 if (dgecon_info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
778 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
779 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
780
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
781 if (info == -1 && ! force)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
782 retval = *this; // Restore matrix contents.
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
783 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
784 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
785 octave_idx_type dgetri_info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
786
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
787 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
788 pz, lwork, dgetri_info));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
789
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
790 if (dgetri_info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
791 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
792 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
793
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
794 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
795 mattype.mark_as_rectangular();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
796 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
797
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
798 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
799 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
800
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
801 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
802 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
803 int force, int calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
804 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
805 int typ = mattype.type (false);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
806 FloatMatrix ret;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
807
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
808 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
809 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
810
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
811 if (typ == MatrixType::Upper || typ == MatrixType::Lower)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
812 ret = tinverse (mattype, info, rcon, force, calc_cond);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
813 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
814 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
815 if (mattype.is_hermitian ())
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
816 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
817 FloatCHOL chol (*this, info, calc_cond);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
818 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
819 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
820 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
821 rcon = chol.rcond ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
822 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
823 rcon = 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
824 ret = chol.inverse ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
825 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
826 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
827 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
828 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
829
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
830 if (!mattype.is_hermitian ())
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
831 ret = finverse(mattype, info, rcon, force, calc_cond);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
832
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
833 if ((mattype.is_hermitian () || calc_cond) && rcon == 0.)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
834 ret = FloatMatrix (rows (), columns (), octave_Float_Inf);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
835 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
836
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
837 return ret;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
838 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
839
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
840 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
841 FloatMatrix::pseudo_inverse (float tol) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
842 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
843 FloatSVD result (*this, SVD::economy);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
844
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
845 FloatDiagMatrix S = result.singular_values ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
846 FloatMatrix U = result.left_singular_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
847 FloatMatrix V = result.right_singular_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
848
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
849 FloatColumnVector sigma = S.diag ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
850
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
851 octave_idx_type r = sigma.length () - 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
852 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
853 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
854
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
855 if (tol <= 0.0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
856 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
857 if (nr > nc)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
858 tol = nr * sigma.elem (0) * DBL_EPSILON;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
859 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
860 tol = nc * sigma.elem (0) * DBL_EPSILON;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
861 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
862
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
863 while (r >= 0 && sigma.elem (r) < tol)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
864 r--;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
865
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
866 if (r < 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
867 return FloatMatrix (nc, nr, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
868 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
869 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
870 FloatMatrix Ur = U.extract (0, 0, nr-1, r);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
871 FloatDiagMatrix D = FloatDiagMatrix (sigma.extract (0, r)) . inverse ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
872 FloatMatrix Vr = V.extract (0, 0, nc-1, r);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
873 return Vr * D * Ur.transpose ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
874 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
875 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
876
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
877 #if defined (HAVE_FFTW)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
878
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
879 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
880 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
881 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
882 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
883 size_t nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
884
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
885 FloatComplexMatrix retval (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
886
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
887 size_t npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
888
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
889 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
890 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
891 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
892 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
893 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
894 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
895 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
896 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
897 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
898 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
899
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
900 const float *in (fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
901 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
902
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
903 octave_fftw::fft (in, out, npts, nsamples);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
904
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
905 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
906 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
907
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
908 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
909 FloatMatrix::ifourier (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
910 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
911 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
912 size_t nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
913
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
914 FloatComplexMatrix retval (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
915
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
916 size_t npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
917
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
918 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
919 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
920 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
921 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
922 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
923 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
924 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
925 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
926 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
927 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
928
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
929 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
930 FloatComplex *in (tmp.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
931 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
932
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
933 octave_fftw::ifft (in, out, npts, nsamples);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
934
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
935 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
936 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
937
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
938 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
939 FloatMatrix::fourier2d (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
940 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
941 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
942
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
943 const float *in = fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
944 FloatComplexMatrix retval (rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
945 octave_fftw::fftNd (in, retval.fortran_vec (), 2, dv);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
946
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
947 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
948 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
949
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
950 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
951 FloatMatrix::ifourier2d (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
952 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
953 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
954
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
955 FloatComplexMatrix retval (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
956 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
957
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
958 octave_fftw::ifftNd (out, out, 2, dv);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
959
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
960 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
961 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
962
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
963 #else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
964
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
965 extern "C"
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
966 {
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
967 // Note that the original complex fft routines were not written for
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
968 // float complex arguments. They have been modified by adding an
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
969 // implicit float precision (a-h,o-z) statement at the beginning of
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
970 // each subroutine.
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
971
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
972 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
973 F77_FUNC (cffti, CFFTI) (const octave_idx_type&, FloatComplex*);
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
974
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
975 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
976 F77_FUNC (cfftf, CFFTF) (const octave_idx_type&, FloatComplex*, FloatComplex*);
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
977
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
978 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
979 F77_FUNC (cfftb, CFFTB) (const octave_idx_type&, FloatComplex*, FloatComplex*);
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
980 }
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
981
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
982 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
983 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
984 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
985 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
986
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
987 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
988 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
989
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
990 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
991
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
992 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
993 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
994 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
995 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
996 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
997 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
998 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
999 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1000 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1001 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1002
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1003 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1004
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1005 Array<FloatComplex> wsave (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1006 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1007
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1008 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1009 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1010
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1011 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1012
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1013 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1014 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1015 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1016
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1017 F77_FUNC (cfftf, CFFTF) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1018 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1019
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1020 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1021 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1022
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1023 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1024 FloatMatrix::ifourier (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1025 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1026 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1027
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1028 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1029 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1030
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1031 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1032
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1033 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1034 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1035 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1036 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1037 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1038 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1039 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1040 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1041 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1042 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1043
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1044 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1045
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1046 Array<FloatComplex> wsave (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1047 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1048
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1049 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1050 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1051
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1052 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1053
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1054 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1055 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1056 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1057
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1058 F77_FUNC (cfftb, CFFTB) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1059 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1060
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1061 for (octave_idx_type j = 0; j < npts*nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1062 tmp_data[j] = tmp_data[j] / static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1063
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1064 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1065 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1066
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1067 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1068 FloatMatrix::fourier2d (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1069 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1070 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1071
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1072 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1073 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1074
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1075 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1076
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1077 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1078 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1079 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1080 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1081 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1082 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1083 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1084 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1085 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1086 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1087
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1088 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1089
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1090 Array<FloatComplex> wsave (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1091 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1092
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1093 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1094 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1095
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1096 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1097
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1098 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1099 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1100 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1101
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1102 F77_FUNC (cfftf, CFFTF) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1103 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1104
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1105 npts = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1106 nsamples = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1107 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1108
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1109 wsave.resize (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1110 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1111
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1112 Array<FloatComplex> tmp (npts, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1113 FloatComplex *prow = tmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1114
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1115 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1116
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1117 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1118 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1119 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1120
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1121 for (octave_idx_type i = 0; i < npts; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1122 prow[i] = tmp_data[i*nr + j];
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1123
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1124 F77_FUNC (cfftf, CFFTF) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1125
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1126 for (octave_idx_type i = 0; i < npts; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1127 tmp_data[i*nr + j] = prow[i];
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1128 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1129
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1130 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1131 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1132
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1133 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1134 FloatMatrix::ifourier2d (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1135 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1136 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1137
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1138 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1139 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1140
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1141 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1142
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1143 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1144 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1145 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1146 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1147 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1148 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1149 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1150 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1151 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1152 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1153
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1154 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1155
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1156 Array<FloatComplex> wsave (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1157 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1158
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1159 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1160 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1161
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1162 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1163
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1164 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1165 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1166 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1167
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1168 F77_FUNC (cfftb, CFFTB) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1169 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1170
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1171 for (octave_idx_type j = 0; j < npts*nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1172 tmp_data[j] = tmp_data[j] / static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1173
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1174 npts = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1175 nsamples = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1176 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1177
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1178 wsave.resize (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1179 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1180
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1181 Array<FloatComplex> tmp (npts, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1182 FloatComplex *prow = tmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1183
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1184 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1185
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1186 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1187 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1188 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1189
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1190 for (octave_idx_type i = 0; i < npts; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1191 prow[i] = tmp_data[i*nr + j];
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1192
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1193 F77_FUNC (cfftb, CFFTB) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1194
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1195 for (octave_idx_type i = 0; i < npts; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1196 tmp_data[i*nr + j] = prow[i] / static_cast<float> (npts);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1197 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1198
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1199 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1200 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1201
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1202 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1203
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1204 FloatDET
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1205 FloatMatrix::determinant (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1206 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1207 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1208 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1209 return determinant (info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1210 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1211
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1212 FloatDET
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1213 FloatMatrix::determinant (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1214 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1215 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1216 return determinant (info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1217 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1218
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1219 FloatDET
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1220 FloatMatrix::determinant (octave_idx_type& info, float& rcon, int calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1221 {
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1222 MatrixType mattype (*this);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1223 return determinant (mattype, info, rcon, calc_cond);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1224 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1225
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1226 FloatDET
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1227 FloatMatrix::determinant (MatrixType& mattype,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1228 octave_idx_type& info, float& rcon, int calc_cond) const
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1229 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1230 FloatDET retval (1.0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1231
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1232 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1233 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1234
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1235 if (nr != nc)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1236 (*current_liboctave_error_handler) ("matrix must be square");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1237 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1238 {
8806
c7864bb74914 avoid some GCC warnings
John W. Eaton <jwe@octave.org>
parents: 8801
diff changeset
1239 volatile int typ = mattype.type ();
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1240
10213
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1241 // Even though the matrix is marked as singular (Rectangular), we may
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1242 // still get a useful number from the LU factorization, because it always
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1243 // completes.
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1244
8337
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1245 if (typ == MatrixType::Unknown)
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1246 typ = mattype.type (*this);
10213
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1247 else if (typ == MatrixType::Rectangular)
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1248 typ = MatrixType::Full;
8337
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1249
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1250 if (typ == MatrixType::Lower || typ == MatrixType::Upper)
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 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
1253 retval *= elem (i,i);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1254 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1255 else if (typ == MatrixType::Hermitian)
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 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1258 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1259
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1260 info = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1261 float anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1262 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1263
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1264
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1265 char job = 'L';
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1266 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1267 tmp_data, nr, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1268 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1269
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1270 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1271 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1272 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1273 mattype.mark_as_unsymmetric ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1274 typ = MatrixType::Full;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1275 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1276 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1277 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1278 Array<float> z (3 * nc, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1279 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1280 Array<octave_idx_type> iz (nc, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1281 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1282
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1283 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1284 nr, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1285 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1286 F77_CHAR_ARG_LEN (1)));
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 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1289 rcon = 0.0;
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 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
1292 retval *= atmp (i,i);
8336
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 retval = retval.square ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1295 }
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 else if (typ != MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1298 (*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
1299
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1300 if (typ == MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1301 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1302 Array<octave_idx_type> ipvt (nr, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1303 octave_idx_type *pipvt = ipvt.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 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1306 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1307
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1308 info = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1309
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1310 // 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
1311 float anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1312 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1313
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1314 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1315
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1316 // 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
1317 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1318 if (info != 0)
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 info = -1;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1321 retval = FloatDET ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1322 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1323 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1324 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1325 if (calc_cond)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1326 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1327 // 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
1328 char job = '1';
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1329 Array<float> z (4 * nc, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1330 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1331 Array<octave_idx_type> iz (nc, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1332 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1333
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1334 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1335 nc, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1336 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1337 F77_CHAR_ARG_LEN (1)));
8335
64cf956a109c templatize & fix DET
Jaroslav Hajek <highegg@gmail.com>
parents: 8211
diff changeset
1338 }
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1339
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1340 if (info != 0)
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 info = -1;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1343 retval = FloatDET ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1344 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1345 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1346 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1347 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
1348 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1349 float c = atmp(i,i);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1350 retval *= (ipvt(i) != (i+1)) ? -c : c;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1351 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1352 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1353 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1354 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1355 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1356
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1357 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1358 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1359
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1360 float
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1361 FloatMatrix::rcond (void) const
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1362 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1363 MatrixType mattype (*this);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1364 return rcond (mattype);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1365 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1366
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1367 float
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1368 FloatMatrix::rcond (MatrixType &mattype) const
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1369 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1370 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1371 octave_idx_type nr = rows ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1372 octave_idx_type nc = cols ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1373
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1374 if (nr != nc)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1375 (*current_liboctave_error_handler) ("matrix must be square");
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1376 else if (nr == 0 || nc == 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1377 rcon = octave_Inf;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1378 else
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1379 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1380 int typ = mattype.type ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1381
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1382 if (typ == MatrixType::Unknown)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1383 typ = mattype.type (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1384
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1385 // Only calculate the condition number for LU/Cholesky
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1386 if (typ == MatrixType::Upper)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1387 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1388 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1389 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1390 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1391 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1392 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1393
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1394 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1395 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1396 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1397 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1398
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1399 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1400 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1401 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1402 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1403 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1404 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1405 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1406 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1407
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1408 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1409 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1410 }
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1411 else if (typ == MatrixType::Permuted_Upper)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1412 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1413 ("permuted triangular matrix not implemented");
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1414 else if (typ == MatrixType::Lower)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1415 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1416 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1417 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1418 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1419 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1420 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1421
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1422 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1423 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1424 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1425 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1426
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1427 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1428 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1429 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1430 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1431 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1432 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1433 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1434 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1435
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1436 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1437 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1438 }
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1439 else if (typ == MatrixType::Permuted_Lower)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1440 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1441 ("permuted triangular matrix not implemented");
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1442 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1443 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1444 float anorm = -1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1445 FloatMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1446 float *tmp_data = atmp.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1447
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1448 if (typ == MatrixType::Hermitian)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1449 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1450 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1451 char job = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1452 anorm = atmp.abs().sum().
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1453 row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1454
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1455 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1456 tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1457 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1458
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1459 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1460 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1461 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1462 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1463 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1464 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1465 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1466 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1467 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1468 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1469 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1470 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1471
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1472 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1473 nr, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1474 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1475 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1476
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1477 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1478 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1479 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1480 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1481
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1482 if (typ == MatrixType::Full)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1483 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1484 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1485
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1486 Array<octave_idx_type> ipvt (nr, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1487 octave_idx_type *pipvt = ipvt.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1488
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1489 if(anorm < 0.)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1490 anorm = atmp.abs().sum().
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1491 row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1492
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1493 Array<float> z (4 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1494 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1495 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1496 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1497
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1498 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1499
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1500 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1501 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1502 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1503 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1504 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1505 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1506 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1507 char job = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1508 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1509 nc, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1510 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1511 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1512
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1513 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1514 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1515 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1516 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1517 }
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1518 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1519 rcon = 0.0;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1520 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1521
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1522 return rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1523 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1524
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1525 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1526 FloatMatrix::utsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1527 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1528 bool calc_cond, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1529 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1530 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1531
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1532 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1533 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1534
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1535 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1536 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1537 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1538 else if (nr == 0 || nc == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1539 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1540 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1541 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1542 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1543
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1544 if (typ == MatrixType::Permuted_Upper ||
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1545 typ == MatrixType::Upper)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1546 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1547 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1548 rcon = 1.;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1549 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1550
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1551 if (typ == MatrixType::Permuted_Upper)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1552 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1553 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1554 ("permuted triangular matrix not implemented");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1555 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1556 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1557 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1558 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1559
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1560 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1561 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1562 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1563 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1564 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1565
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1566 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1567 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1568 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1569 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1570
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1571 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1572 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1573 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1574 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1575 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1576 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1577 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1578 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1579
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1580 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1581 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1582
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1583 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1584
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1585 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1586 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1587 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1588
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1589 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1590 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1591 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1592 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1593 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1594 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1595 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1596 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1597
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1598 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1599 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1600 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1601 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1602
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1603 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1604 char trans = get_blas_char (transt);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1605 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1606
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1607 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1608 F77_CONST_CHAR_ARG2 (&trans, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1609 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1610 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1611 result, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1612 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1613 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1614 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1615 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1616 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1617 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1618 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1619 (*current_liboctave_error_handler) ("incorrect matrix type");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1620 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1621
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1622 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1623 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1624
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1625 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1626 FloatMatrix::ltsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1627 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1628 bool calc_cond, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1629 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1630 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1631
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1632 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1633 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1634
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1635 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1636 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1637 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1638 else if (nr == 0 || nc == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1639 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1640 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1641 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1642 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1643
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1644 if (typ == MatrixType::Permuted_Lower ||
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1645 typ == MatrixType::Lower)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1646 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1647 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1648 rcon = 1.;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1649 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1650
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1651 if (typ == MatrixType::Permuted_Lower)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1652 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1653 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1654 ("permuted triangular matrix not implemented");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1655 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1656 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1657 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1658 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1659
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1660 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1661 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1662 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1663 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1664 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1665
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1666 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1667 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1668 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1669 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1670
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1671 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1672 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1673 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1674 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1675 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1676 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1677 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1678 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1679
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1680 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1681 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1682
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1683 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1684
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1685 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1686 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1687 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1688
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1689 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1690 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1691 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1692 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1693 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1694 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1695 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1696 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1697
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1698 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1699 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1700 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1701 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1702
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1703 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1704 char trans = get_blas_char (transt);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1705 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1706
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1707 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1708 F77_CONST_CHAR_ARG2 (&trans, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1709 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1710 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1711 result, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1712 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1713 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1714 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1715 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1716 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1717 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1718 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1719 (*current_liboctave_error_handler) ("incorrect matrix type");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1720 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1721
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1722 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1723 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1724
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1725 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1726 FloatMatrix::fsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1727 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1728 bool calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1729 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1730 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1731
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1732 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1733 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1734
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1735 if (nr != nc || nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1736 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1737 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1738 else if (nr == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1739 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1740 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1741 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1742 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1743
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1744 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1745 float anorm = -1.;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1746
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1747 if (typ == MatrixType::Hermitian)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1748 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1749 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1750 char job = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1751 FloatMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1752 float *tmp_data = atmp.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1753 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1754
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1755 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1756 tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1757 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1758
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1759 // Throw-away extra info LAPACK gives so as to not change output.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1760 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1761 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1762 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1763 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1764
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1765 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1766 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1767 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1768 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1769 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1770 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1771 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1772 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1773 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1774 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1775 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1776
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1777 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1778 nr, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1779 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1780 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1781
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1782 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1783 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1784
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1785 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1786
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1787 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1788 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1789 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1790
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1791 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1792 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1793 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1794 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1795 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1796 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1797 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1798 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1799
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1800 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1801 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1802 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1803 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1804
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1805 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1806
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1807 F77_XFCN (spotrs, SPOTRS, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1808 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1809 result, b.rows(), info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1810 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1811 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1812 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1813 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1814 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1815 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1816 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1817 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1818 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1819
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1820 if (typ == MatrixType::Full)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1821 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1822 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1823
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1824 Array<octave_idx_type> ipvt (nr, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1825 octave_idx_type *pipvt = ipvt.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1826
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1827 FloatMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1828 float *tmp_data = atmp.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1829 if(anorm < 0.)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1830 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1831
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1832 Array<float> z (4 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1833 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1834 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1835 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1836
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1837 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1838
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1839 // Throw-away extra info LAPACK gives so as to not change output.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1840 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1841 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1842 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1843 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1844
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1845 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1846 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1847 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1848 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1849 ("matrix singular to machine precision");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1850
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1851 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1852 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1853 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1854 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1855 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1856 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1857 // Now calculate the condition number for
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1858 // non-singular matrix.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1859 char job = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1860 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1861 nc, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1862 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1863 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1864
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1865 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1866 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1867
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1868 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1869
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1870 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1871 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1872 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1873
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1874 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1875 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1876 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1877 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1878 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1879 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1880 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1881 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1882
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1883 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1884 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1885 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1886 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1887
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1888 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1889
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1890 char job = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1891 F77_XFCN (sgetrs, SGETRS, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1892 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1893 pipvt, result, b.rows(), info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1894 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1895 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1896 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1897 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1898 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1899 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1900 else if (typ != MatrixType::Hermitian)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1901 (*current_liboctave_error_handler) ("incorrect matrix type");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1902 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1903
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1904 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1905 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1906
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1907 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1908 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1909 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1910 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1911 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1912 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1913 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1914
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1915 FloatMatrix
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1916 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, octave_idx_type& info) const
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1917 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1918 float rcon;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1919 return solve (typ, b, info, rcon, 0);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1920 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1921
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1922 FloatMatrix
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1923 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1924 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1925 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1926 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1927 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1928
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1929 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1930 FloatMatrix::solve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1931 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1932 bool singular_fallback, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1933 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1934 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1935 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1936
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1937 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1938 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1939
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1940 // Only calculate the condition number for LU/Cholesky
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1941 if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper)
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
1942 retval = utsolve (mattype, b, info, rcon, sing_handler, false, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1943 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower)
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
1944 retval = ltsolve (mattype, b, info, rcon, sing_handler, false, transt);
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
1945 else if (transt == blas_trans || transt == blas_conj_trans)
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
1946 return transpose ().solve (mattype, b, info, rcon, sing_handler, singular_fallback);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1947 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1948 retval = fsolve (mattype, b, info, rcon, sing_handler, true);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1949 else if (typ != MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1950 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1951 (*current_liboctave_error_handler) ("unknown matrix type");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1952 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1953 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1954
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1955 // Rectangular or one of the above solvers flags a singular matrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1956 if (singular_fallback && mattype.type () == MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1957 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1958 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1959 retval = lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1960 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1961
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1962 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1963 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1964
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1965 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1966 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1967 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1968 octave_idx_type info;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1969 float rcon;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1970 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1971 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1972
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1973 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1974 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1975 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1976 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1977 float rcon;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1978 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1979 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1980
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1981 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1982 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1983 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1984 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1985 return solve (typ, b, info, rcon, 0);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1986 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1987
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1988 static FloatMatrix
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1989 stack_complex_matrix (const FloatComplexMatrix& cm)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1990 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1991 octave_idx_type m = cm.rows (), n = cm.cols (), nel = m*n;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1992 FloatMatrix retval (m, 2*n);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1993 const FloatComplex *cmd = cm.data ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1994 float *rd = retval.fortran_vec ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1995 for (octave_idx_type i = 0; i < nel; i++)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1996 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1997 rd[i] = std::real (cmd[i]);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1998 rd[nel+i] = std::imag (cmd[i]);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1999 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2000 return retval;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2001 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2002
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2003 static FloatComplexMatrix
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2004 unstack_complex_matrix (const FloatMatrix& sm)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2005 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2006 octave_idx_type m = sm.rows (), n = sm.cols () / 2, nel = m*n;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2007 FloatComplexMatrix retval (m, n);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2008 const float *smd = sm.data ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2009 FloatComplex *rd = retval.fortran_vec ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2010 for (octave_idx_type i = 0; i < nel; i++)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2011 rd[i] = FloatComplex (smd[i], smd[nel+i]);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2012 return retval;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2013 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2014
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2015 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2016 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2017 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2018 bool singular_fallback, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2019 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2020 FloatMatrix tmp = stack_complex_matrix (b);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2021 tmp = solve (typ, tmp, info, rcon, sing_handler, singular_fallback, transt);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2022 return unstack_complex_matrix (tmp);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2023 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2024
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2025 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2026 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2027 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2028 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2029 return solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2030 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2031
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2032 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2033 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2034 octave_idx_type& info) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2035 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2036 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2037 return solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2038 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2039
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2040 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2041 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2042 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2043 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2044 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2045 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2046
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2047 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2048 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2049 float& rcon, solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2050 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2051 FloatMatrix tmp (b);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2052 return solve (typ, tmp, info, rcon, sing_handler, transt).column(static_cast<octave_idx_type> (0));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2053 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2054
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2055 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2056 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2057 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2058 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2059 return tmp.solve (typ, b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2060 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2061
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2062 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2063 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2064 octave_idx_type& info) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2065 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2066 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2067 return tmp.solve (typ, b, info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2068 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2069
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2070 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2071 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2072 octave_idx_type& info, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2073 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2074 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2075 return tmp.solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2076 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2077
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2078 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2079 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2080 octave_idx_type& info, float& rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2081 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2082 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2083 FloatComplexMatrix tmp (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2084 return tmp.solve(typ, b, info, rcon, sing_handler, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2085 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2086
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2087 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2088 FloatMatrix::solve (const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2089 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2090 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2091 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2092 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2093 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2094
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2095 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2096 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2097 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2098 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2099 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2100 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2101
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2102 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2103 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2104 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2105 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2106 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2107
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2108 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2109 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2110 float& rcon, solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2111 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2112 MatrixType mattype (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2113 return solve (mattype, b, info, rcon, sing_handler, true, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2114 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2115
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2116 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2117 FloatMatrix::solve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2118 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2119 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2120 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2121 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2122
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2123 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2124 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2125 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2126 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2127 return tmp.solve (b, info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2128 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2129
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2130 FloatComplexMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2131 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2132 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2133 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2134 return tmp.solve (b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2135 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2136
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2137 FloatComplexMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2138 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2139 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2140 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2141 FloatComplexMatrix tmp (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2142 return tmp.solve (b, info, rcon, sing_handler, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2143 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2144
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2145 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2146 FloatMatrix::solve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2147 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2148 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2149 return solve (b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2150 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2151
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2152 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2153 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2154 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2155 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2156 return solve (b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2157 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2158
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2159 FloatColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2160 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2161 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2162 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2163 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2164
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2165 FloatColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2166 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2167 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2168 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2169 MatrixType mattype (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2170 return solve (mattype, b, info, rcon, sing_handler, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2171 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2172
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2173 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2174 FloatMatrix::solve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2175 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2176 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2177 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2178 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2179
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2180 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2181 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2182 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2183 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2184 return tmp.solve (b, info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2185 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2186
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2187 FloatComplexColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2188 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2189 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2190 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2191 return tmp.solve (b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2192 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2193
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2194 FloatComplexColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2195 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2196 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2197 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2198 FloatComplexMatrix tmp (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2199 return tmp.solve (b, info, rcon, sing_handler, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2200 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2201
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2202 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2203 FloatMatrix::lssolve (const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2204 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2205 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2206 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2207 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2208 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2209 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2210
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2211 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2212 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2213 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2214 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2215 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2216 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2217 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2218
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2219 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2220 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2221 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2222 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2223 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2224 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2225 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2226
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2227 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2228 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2229 octave_idx_type& rank, float &rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2230 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2231 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2232
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2233 octave_idx_type nrhs = b.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2234
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2235 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2236 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2237
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2238 if (m != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2239 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2240 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2241 else if (m == 0 || n == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2242 retval = FloatMatrix (n, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2243 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2244 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2245 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2246 octave_idx_type maxmn = m > n ? m : n;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2247 rcon = -1.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2248 if (m != n)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2249 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2250 retval = FloatMatrix (maxmn, nrhs, 0.0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2251
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2252 for (octave_idx_type j = 0; j < nrhs; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2253 for (octave_idx_type i = 0; i < m; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2254 retval.elem (i, j) = b.elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2255 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2256 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2257 retval = b;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2258
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2259 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2260 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2261
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2262 float *pretval = retval.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2263 Array<float> s (minmn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2264 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2265
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2266 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2267 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2268
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2269 Array<float> work (1, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2270
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2271 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2272 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2273 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2274 0, 0, 0, 0, smlsiz
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2275 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2276 F77_CHAR_ARG_LEN (1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2277
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2278 octave_idx_type mnthr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2279 F77_FUNC (xilaenv, XILAENV) (6, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2280 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2281 m, n, nrhs, -1, mnthr
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2282 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2283 F77_CHAR_ARG_LEN (1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2284
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2285 // We compute the size of iwork because DGELSD in older versions
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2286 // of LAPACK does not return it on a query call.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2287 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2288 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2289 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2290 float tmp = log2 (dminmn / dsmlsizp1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2291 #else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2292 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2293 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2294 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2295 if (nlvl < 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2296 nlvl = 0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2297
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2298 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2299 if (liwork < 1)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2300 liwork = 1;
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2301 Array<octave_idx_type> iwork (liwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2302 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2303
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2304 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2305 ps, rcon, rank, work.fortran_vec (),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2306 lwork, piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2307
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2308 // The workspace query is broken in at least LAPACK 3.0.0
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2309 // through 3.1.1 when n >= mnthr. The obtuse formula below
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2310 // should provide sufficient workspace for DGELSD to operate
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2311 // efficiently.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2312 if (n >= mnthr)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2313 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2314 const octave_idx_type wlalsd
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2315 = 9*m + 2*m*smlsiz + 8*m*nlvl + m*nrhs + (smlsiz+1)*(smlsiz+1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2316
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2317 octave_idx_type addend = m;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2318
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2319 if (2*m-4 > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2320 addend = 2*m-4;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2321
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2322 if (nrhs > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2323 addend = nrhs;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2324
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2325 if (n-3*m > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2326 addend = n-3*m;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2327
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2328 if (wlalsd > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2329 addend = wlalsd;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2330
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2331 const octave_idx_type lworkaround = 4*m + m*m + addend;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2332
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2333 if (work(0) < lworkaround)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2334 work(0) = lworkaround;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2335 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2336 else if (m >= n)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2337 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2338 octave_idx_type lworkaround
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2339 = 12*n + 2*n*smlsiz + 8*n*nlvl + n*nrhs + (smlsiz+1)*(smlsiz+1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2340
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2341 if (work(0) < lworkaround)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2342 work(0) = lworkaround;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2343 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2344
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2345 lwork = static_cast<octave_idx_type> (work(0));
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2346 work.resize (lwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2347
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2348 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2349 maxmn, ps, rcon, rank,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2350 work.fortran_vec (), lwork,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2351 piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2352
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2353 if (rank < minmn)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2354 (*current_liboctave_warning_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2355 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2356 if (s.elem (0) == 0.0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2357 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2358 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2359 rcon = s.elem (minmn - 1) / s.elem (0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2360
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2361 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2362 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2363
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2364 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2365 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2366
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2367 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2368 FloatMatrix::lssolve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2369 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2370 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2371 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2372 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2373 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2374 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2375 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2376
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2377 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2378 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2379 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2380 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2381 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2382 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2383 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2384 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2385
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2386 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2387 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2388 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2389 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2390 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2391 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2392 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2393 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2394
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2395 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2396 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2397 octave_idx_type& rank, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2398 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2399 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2400 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2401 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2402
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2403 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2404 FloatMatrix::lssolve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2405 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2406 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2407 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2408 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2409 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2410 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2411
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2412 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2413 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2414 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2415 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2416 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2417 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2418 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2419
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2420 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2421 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2422 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2423 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2424 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2425 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2426 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2427
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2428 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2429 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2430 octave_idx_type& rank, float &rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2431 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2432 FloatColumnVector retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2433
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2434 octave_idx_type nrhs = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2435
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2436 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2437 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2438
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2439 if (m != b.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2440 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2441 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2442 else if (m == 0 || n == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2443 retval = FloatColumnVector (n, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2444 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2445 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2446 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2447 octave_idx_type maxmn = m > n ? m : n;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2448 rcon = -1.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2449
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2450 if (m != n)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2451 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2452 retval = FloatColumnVector (maxmn, 0.0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2453
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2454 for (octave_idx_type i = 0; i < m; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2455 retval.elem (i) = b.elem (i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2456 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2457 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2458 retval = b;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2459
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2460 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2461 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2462
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2463 float *pretval = retval.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2464 Array<float> s (minmn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2465 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2466
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2467 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2468 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2469
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2470 Array<float> work (1, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2471
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2472 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2473 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2474 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2475 0, 0, 0, 0, smlsiz
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2476 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2477 F77_CHAR_ARG_LEN (1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2478
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2479 // We compute the size of iwork because DGELSD in older versions
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2480 // of LAPACK does not return it on a query call.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2481 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2482 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2483 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2484 float tmp = log2 (dminmn / dsmlsizp1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2485 #else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2486 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2487 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2488 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2489 if (nlvl < 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2490 nlvl = 0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2491
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2492 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2493 if (liwork < 1)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2494 liwork = 1;
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2495 Array<octave_idx_type> iwork (liwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2496 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2497
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2498 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2499 ps, rcon, rank, work.fortran_vec (),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2500 lwork, piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2501
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2502 lwork = static_cast<octave_idx_type> (work(0));
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2503 work.resize (lwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2504
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2505 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2506 maxmn, ps, rcon, rank,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2507 work.fortran_vec (), lwork,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2508 piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2509
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2510 if (rank < minmn)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2511 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2512 if (rank < minmn)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2513 (*current_liboctave_warning_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2514 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2515 if (s.elem (0) == 0.0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2516 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2517 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2518 rcon = s.elem (minmn - 1) / s.elem (0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2519 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2520
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2521 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2522 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2523
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2524 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2525 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2526
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2527 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2528 FloatMatrix::lssolve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2529 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2530 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2531 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2532 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2533 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2534 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2535 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2536
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2537 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2538 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2539 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2540 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2541 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2542 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2543 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2544 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2545
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2546 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2547 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2548 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2549 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2550 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2551 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2552 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2553 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2554
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2555 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2556 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2557 octave_idx_type& rank, float &rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2558 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2559 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2560 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2561 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2562
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2563 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2564 FloatMatrix::operator += (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2565 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2566 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2567 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2568
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2569 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2570 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2571
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2572 if (nr != a_nr || nc != a_nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2573 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2574 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2575 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2576 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2577
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2578 for (octave_idx_type i = 0; i < a.length (); i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2579 elem (i, i) += a.elem (i, i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2580
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2581 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2582 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2583
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2584 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2585 FloatMatrix::operator -= (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2586 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2587 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2588 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2589
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2590 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2591 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2592
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2593 if (nr != a_nr || nc != a_nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2594 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2595 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2596 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2597 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2598
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2599 for (octave_idx_type i = 0; i < a.length (); i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2600 elem (i, i) -= a.elem (i, i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2601
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2602 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2603 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2604
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2605 // unary operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2606
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2607 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2608 FloatMatrix::operator ! (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2609 {
9553
0c72d9284087 further bool ops tweaks
Jaroslav Hajek <highegg@gmail.com>
parents: 9551
diff changeset
2610 return do_mx_unary_op<boolMatrix, FloatMatrix> (*this, mx_inline_not);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2611 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2612
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2613 // column vector by row vector -> matrix operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2614
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2615 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2616 operator * (const FloatColumnVector& v, const FloatRowVector& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2617 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2618 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2619
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2620 octave_idx_type len = v.length ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2621
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2622 if (len != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2623 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2624 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2625
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
2626 retval = FloatMatrix (len, a_len);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2627 float *c = retval.fortran_vec ();
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2628
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2629 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 ("N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2630 F77_CONST_CHAR_ARG2 ("N", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2631 len, a_len, 1, 1.0, v.data (), len,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2632 a.data (), 1, 0.0, c, len
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2633 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2634 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2635 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2636
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2637 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2638 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2639
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2640 // other operations.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2641
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2642 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2643 FloatMatrix::any_element_is_negative (bool neg_zero) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2644 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2645 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2646
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2647 if (neg_zero)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2648 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2649 for (octave_idx_type i = 0; i < nel; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2650 if (lo_ieee_signbit (elem (i)))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2651 return true;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2652 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2653 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2654 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2655 for (octave_idx_type i = 0; i < nel; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2656 if (elem (i) < 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2657 return true;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2658 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2659
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2660 return false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2661 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2662
7922
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2663 bool
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2664 FloatMatrix::any_element_is_nan (void) const
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2665 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2666 octave_idx_type nel = nelem ();
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2667
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2668 for (octave_idx_type i = 0; i < nel; i++)
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2669 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2670 float val = elem (i);
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2671 if (xisnan (val))
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2672 return true;
7922
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2673 }
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2674
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2675 return false;
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2676 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2677
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2678 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2679 FloatMatrix::any_element_is_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2680 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2681 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2682
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2683 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2684 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2685 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2686 if (xisinf (val) || xisnan (val))
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2687 return true;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2688 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2689
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2690 return false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2691 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2692
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2693 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2694 FloatMatrix::any_element_not_one_or_zero (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2695 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2696 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2697
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2698 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2699 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2700 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2701 if (val != 0 && val != 1)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2702 return true;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2703 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2704
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2705 return false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2706 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2707
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2708 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2709 FloatMatrix::all_elements_are_int_or_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2710 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2711 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2712
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2713 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2714 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2715 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2716 if (xisnan (val) || D_NINT (val) == val)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2717 continue;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2718 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2719 return false;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2720 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2721
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2722 return true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2723 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2724
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2725 // Return nonzero if any element of M is not an integer. Also extract
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2726 // the largest and smallest values and return them in MAX_VAL and MIN_VAL.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2727
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2728 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2729 FloatMatrix::all_integers (float& max_val, float& min_val) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2730 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2731 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2732
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2733 if (nel > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2734 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2735 max_val = elem (0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2736 min_val = elem (0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2737 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2738 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2739 return false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2740
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2741 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2742 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2743 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2744
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2745 if (val > max_val)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2746 max_val = val;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2747
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2748 if (val < min_val)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2749 min_val = val;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2750
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2751 if (D_NINT (val) != val)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2752 return false;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2753 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2754
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2755 return true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2756 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2757
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2758 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2759 FloatMatrix::too_large_for_float (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2760 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2761 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2762
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2763 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2764 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2765 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2766
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2767 if (! (xisnan (val) || xisinf (val))
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2768 && fabs (val) > FLT_MAX)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2769 return true;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2770 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2771
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2772 return false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2773 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2774
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2775 // FIXME Do these really belong here? Maybe they should be
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2776 // in a base class?
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2777
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2778 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2779 FloatMatrix::all (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2780 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2781 return do_mx_red_op<boolMatrix, float> (*this, dim, mx_inline_all);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2782 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2783
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2784 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2785 FloatMatrix::any (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2786 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2787 return do_mx_red_op<boolMatrix, float> (*this, dim, mx_inline_any);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2788 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2790 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2791 FloatMatrix::cumprod (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2792 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2793 return do_mx_cum_op<FloatMatrix, float> (*this, dim, mx_inline_cumprod);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2794 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2795
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2796 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2797 FloatMatrix::cumsum (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2798 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2799 return do_mx_cum_op<FloatMatrix, float> (*this, dim, mx_inline_cumsum);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2800 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2801
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2802 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2803 FloatMatrix::prod (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2804 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2805 return do_mx_red_op<FloatMatrix, float> (*this, dim, mx_inline_prod);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2806 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2807
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2808 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2809 FloatMatrix::sum (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2810 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2811 return do_mx_red_op<FloatMatrix, float> (*this, dim, mx_inline_sum);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2812 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2813
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2814 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2815 FloatMatrix::sumsq (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2816 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2817 return do_mx_red_op<FloatMatrix, float> (*this, dim, mx_inline_sumsq);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2818 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2819
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2820 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2821 FloatMatrix::abs (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2822 {
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
2823 return FloatMatrix (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
2824 rows (), cols ());
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2825 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2826
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2827 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2828 FloatMatrix::diag (octave_idx_type k) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2829 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2830 return MArray<float>::diag (k);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2831 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2832
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2833 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2834 FloatMatrix::row_min (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2835 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2836 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2837 return row_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2838 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2839
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2840 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2841 FloatMatrix::row_min (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2842 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2843 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2844
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2845 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2846 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2847
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2848 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2849 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2850 result.resize (nr);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2851 idx_arg.resize (nr, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2852
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2853 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2854 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2855 octave_idx_type idx_j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2856
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2857 float tmp_min = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2858
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2859 for (idx_j = 0; idx_j < nc; idx_j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2860 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2861 tmp_min = elem (i, idx_j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2862
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2863 if (! xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2864 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2865 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2866
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2867 for (octave_idx_type j = idx_j+1; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2868 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2869 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2870
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2871 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2872 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2873 else if (tmp < tmp_min)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2874 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2875 idx_j = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2876 tmp_min = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2877 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2878 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2879
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2880 result.elem (i) = tmp_min;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2881 idx_arg.elem (i) = xisnan (tmp_min) ? 0 : idx_j;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2882 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2883 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2884
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2885 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2886 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2887
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2888 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2889 FloatMatrix::row_max (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2890 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2891 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2892 return row_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2893 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2894
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2895 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2896 FloatMatrix::row_max (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2897 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2898 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2899
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2900 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2901 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2902
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2903 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2904 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2905 result.resize (nr);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2906 idx_arg.resize (nr, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2907
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2908 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2909 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2910 octave_idx_type idx_j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2911
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2912 float tmp_max = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2913
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2914 for (idx_j = 0; idx_j < nc; idx_j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2915 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2916 tmp_max = elem (i, idx_j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2917
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2918 if (! xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2919 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2920 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2921
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2922 for (octave_idx_type j = idx_j+1; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2923 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2924 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2925
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2926 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2927 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2928 else if (tmp > tmp_max)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2929 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2930 idx_j = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2931 tmp_max = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2932 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2933 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2934
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2935 result.elem (i) = tmp_max;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2936 idx_arg.elem (i) = xisnan (tmp_max) ? 0 : idx_j;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2937 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2938 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2939
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2940 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2941 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2942
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2943 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2944 FloatMatrix::column_min (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2945 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2946 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2947 return column_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2948 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2949
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2950 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2951 FloatMatrix::column_min (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2952 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2953 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2954
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2955 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2956 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2957
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2958 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2959 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2960 result.resize (nc);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2961 idx_arg.resize (1, nc);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2962
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2963 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2964 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2965 octave_idx_type idx_i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2966
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2967 float tmp_min = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2968
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2969 for (idx_i = 0; idx_i < nr; idx_i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2970 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2971 tmp_min = elem (idx_i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2972
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2973 if (! xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2974 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2975 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2976
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2977 for (octave_idx_type i = idx_i+1; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2978 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2979 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2980
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2981 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2982 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2983 else if (tmp < tmp_min)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2984 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2985 idx_i = i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2986 tmp_min = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2987 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2988 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2989
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2990 result.elem (j) = tmp_min;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2991 idx_arg.elem (j) = xisnan (tmp_min) ? 0 : idx_i;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2992 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2993 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2994
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2995 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2996 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2997
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2998 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2999 FloatMatrix::column_max (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3000 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3001 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3002 return column_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3003 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3004
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3005 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3006 FloatMatrix::column_max (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3007 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3008 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3009
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3010 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3011 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3012
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3013 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3014 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3015 result.resize (nc);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
3016 idx_arg.resize (1, nc);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3017
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3018 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3019 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3020 octave_idx_type idx_i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3021
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3022 float tmp_max = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3023
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3024 for (idx_i = 0; idx_i < nr; idx_i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3025 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3026 tmp_max = elem (idx_i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3027
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3028 if (! xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3029 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3030 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3031
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3032 for (octave_idx_type i = idx_i+1; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3033 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3034 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3035
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3036 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3037 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3038 else if (tmp > tmp_max)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3039 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3040 idx_i = i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3041 tmp_max = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3042 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3043 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3044
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3045 result.elem (j) = tmp_max;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3046 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_i;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3047 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3048 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3049
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3050 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3051 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3052
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3053 std::ostream&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3054 operator << (std::ostream& os, const FloatMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3055 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3056 for (octave_idx_type i = 0; i < a.rows (); i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3057 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3058 for (octave_idx_type j = 0; j < a.cols (); j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3059 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3060 os << " ";
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3061 octave_write_float (os, a.elem (i, j));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3062 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3063 os << "\n";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3064 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3065 return os;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3066 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3067
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3068 std::istream&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3069 operator >> (std::istream& is, FloatMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3070 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3071 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3072 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3073
8999
dc07bc4157b8 allow empty matrices in stream input operators
Jaroslav Hajek <highegg@gmail.com>
parents: 8956
diff changeset
3074 if (nr > 0 && nc > 0)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3075 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3076 float tmp;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3077 for (octave_idx_type i = 0; i < nr; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3078 for (octave_idx_type j = 0; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3079 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3080 tmp = octave_read_value<float> (is);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3081 if (is)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3082 a.elem (i, j) = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3083 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3084 goto done;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3085 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3086 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3087
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3088 done:
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3089
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3090 return is;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3091 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3092
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3093 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3094 Givens (float x, float y)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3095 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3096 float cc, s, temp_r;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3097
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3098 F77_FUNC (slartg, SLARTG) (x, y, cc, s, temp_r);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3099
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3100 FloatMatrix g (2, 2);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3101
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3102 g.elem (0, 0) = cc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3103 g.elem (1, 1) = cc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3104 g.elem (0, 1) = s;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3105 g.elem (1, 0) = -s;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3106
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3107 return g;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3108 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3109
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3110 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3111 Sylvester (const FloatMatrix& a, const FloatMatrix& b, const FloatMatrix& c)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3112 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3113 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3114
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3115 // FIXME -- need to check that a, b, and c are all the same
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3116 // size.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3117
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3118 // Compute Schur decompositions.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3119
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3120 FloatSCHUR as (a, "U");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3121 FloatSCHUR bs (b, "U");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3122
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3123 // Transform c to new coordinates.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3124
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3125 FloatMatrix ua = as.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3126 FloatMatrix sch_a = as.schur_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3127
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3128 FloatMatrix ub = bs.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3129 FloatMatrix sch_b = bs.schur_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3130
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3131 FloatMatrix cx = ua.transpose () * c * ub;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3132
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3133 // Solve the sylvester equation, back-transform, and return the
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3134 // solution.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3135
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3136 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3137 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3138
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3139 float scale;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3140 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3141
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3142 float *pa = sch_a.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3143 float *pb = sch_b.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3144 float *px = cx.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3145
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3146 F77_XFCN (strsyl, STRSYL, (F77_CONST_CHAR_ARG2 ("N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3147 F77_CONST_CHAR_ARG2 ("N", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3148 1, a_nr, b_nr, pa, a_nr, pb,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3149 b_nr, px, a_nr, scale, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3150 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3151 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3152
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3153
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3154 // FIXME -- check info?
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3155
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3156 retval = -ua*cx*ub.transpose ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3157
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3158 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3159 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3160
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3161 // matrix by matrix -> matrix operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3162
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3163 /* Simple Dot Product, Matrix-Vector and Matrix-Matrix Unit tests
9527
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3164 %!assert(single([1 2 3]) * single([ 4 ; 5 ; 6]), single(32), 5e-7)
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3165 %!assert(single([1 2 ; 3 4 ]) * single([5 ; 6]), single([17 ; 39 ]), 5e-7)
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3166 %!assert(single([1 2 ; 3 4 ]) * single([5 6 ; 7 8]), single([19 22; 43 50]), 5e-7)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3167 */
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3168
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3169 /* Test some simple identities
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3170 %!shared M, cv, rv
9527
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3171 %! M = single(randn(10,10));
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3172 %! cv = single(randn(10,1));
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3173 %! rv = single(randn(1,10));
9528
ec066ba012c8 more fixes & tests for matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9527
diff changeset
3174 %!assert([M*cv,M*cv],M*[cv,cv],5e-6)
ec066ba012c8 more fixes & tests for matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9527
diff changeset
3175 %!assert([M'*cv,M'*cv],M'*[cv,cv],5e-6)
ec066ba012c8 more fixes & tests for matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9527
diff changeset
3176 %!assert([rv*M;rv*M],[rv;rv]*M,5e-6)
ec066ba012c8 more fixes & tests for matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9527
diff changeset
3177 %!assert([rv*M';rv*M'],[rv;rv]*M',5e-6)
ec066ba012c8 more fixes & tests for matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9527
diff changeset
3178 %!assert(2*rv*cv,[rv,rv]*[cv;cv],5e-6)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3179 */
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3180
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3181 static const char *
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3182 get_blas_trans_arg (bool trans)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3183 {
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3184 static char blas_notrans = 'N', blas_trans = 'T';
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3185 return (trans) ? &blas_trans : &blas_notrans;
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3186 }
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3187
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3188 // the general GEMM operation
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3189
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3190 FloatMatrix
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3191 xgemm (const FloatMatrix& a, const FloatMatrix& b,
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3192 blas_trans_type transa, blas_trans_type transb)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3193 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3194 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3195
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3196 bool tra = transa != blas_no_trans, trb = transb != blas_no_trans;
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3197
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3198 octave_idx_type a_nr = tra ? a.cols () : a.rows ();
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3199 octave_idx_type a_nc = tra ? a.rows () : a.cols ();
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3200
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3201 octave_idx_type b_nr = trb ? b.cols () : b.rows ();
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3202 octave_idx_type b_nc = trb ? b.rows () : b.cols ();
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3203
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3204 if (a_nc != b_nr)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3205 gripe_nonconformant ("operator *", a_nr, a_nc, b_nr, b_nc);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3206 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3207 {
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3208 if (a_nr == 0 || a_nc == 0 || b_nc == 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3209 retval = FloatMatrix (a_nr, b_nc, 0.0);
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3210 else if (a.data () == b.data () && a_nr == b_nc && tra != trb)
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3211 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3212 octave_idx_type lda = a.rows ();
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3213
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
3214 retval = FloatMatrix (a_nr, b_nc);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3215 float *c = retval.fortran_vec ();
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3216
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3217 const char *ctra = get_blas_trans_arg (tra);
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3218 F77_XFCN (ssyrk, SSYRK, (F77_CONST_CHAR_ARG2 ("U", 1),
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3219 F77_CONST_CHAR_ARG2 (ctra, 1),
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3220 a_nr, a_nc, 1.0,
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3221 a.data (), lda, 0.0, c, a_nr
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3222 F77_CHAR_ARG_LEN (1)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3223 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3224 for (int j = 0; j < a_nr; j++)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3225 for (int i = 0; i < j; i++)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3226 retval.xelem (j,i) = retval.xelem (i,j);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3227
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3228 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3229 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3230 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3231 octave_idx_type lda = a.rows (), tda = a.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3232 octave_idx_type ldb = b.rows (), tdb = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3233
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3234 retval = FloatMatrix (a_nr, b_nc);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3235 float *c = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3236
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3237 if (b_nc == 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3238 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3239 if (a_nr == 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3240 F77_FUNC (xsdot, XSDOT) (a_nc, a.data (), 1, b.data (), 1, *c);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3241 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3242 {
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3243 const char *ctra = get_blas_trans_arg (tra);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3244 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (ctra, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3245 lda, tda, 1.0, a.data (), lda,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3246 b.data (), 1, 0.0, c, 1
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3247 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3248 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3249 }
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3250 else if (a_nr == 1)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3251 {
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3252 const char *crevtrb = get_blas_trans_arg (! trb);
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3253 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (crevtrb, 1),
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3254 ldb, tdb, 1.0, b.data (), ldb,
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3255 a.data (), 1, 0.0, c, 1
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3256 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3257 }
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3258 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3259 {
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3260 const char *ctra = get_blas_trans_arg (tra);
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3261 const char *ctrb = get_blas_trans_arg (trb);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3262 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 (ctra, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3263 F77_CONST_CHAR_ARG2 (ctrb, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3264 a_nr, b_nc, a_nc, 1.0, a.data (),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3265 lda, b.data (), ldb, 0.0, c, a_nr
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3266 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3267 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3268 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3269 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3270 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3271
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3272 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3273 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3274
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3275 FloatMatrix
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3276 operator * (const FloatMatrix& a, const FloatMatrix& b)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3277 {
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3278 return xgemm (a, b);
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3279 }
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3280
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3281 // FIXME -- it would be nice to share code among the min/max
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3282 // functions below.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3283
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3284 #define EMPTY_RETURN_CHECK(T) \
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3285 if (nr == 0 || nc == 0) \
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3286 return T (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3287
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3288 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3289 min (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3290 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3291 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3292 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3293
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3294 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3295
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3296 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3297
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3298 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3299 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3300 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3301 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3302 result (i, j) = xmin (d, m (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3303 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3304
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3305 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3306 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3307
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3308 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3309 min (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3310 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3311 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3312 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3313
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3314 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3315
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3316 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3317
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3318 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3319 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3320 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3321 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3322 result (i, j) = xmin (m (i, j), d);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3323 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3324
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3325 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3326 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3327
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3328 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3329 min (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3330 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3331 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3332 octave_idx_type nc = a.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3333
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3334 if (nr != b.rows () || nc != b.columns ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3335 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3336 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3337 ("two-arg min expecting args of same size");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3338 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3339 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3340
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3341 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3342
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3343 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3344
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3345 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3346 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3347 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3348 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3349 result (i, j) = xmin (a (i, j), b (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3350 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3351
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3352 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3353 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3354
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3355 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3356 max (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3357 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3358 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3359 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3360
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3361 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3362
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3363 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3364
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3365 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3366 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3367 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3368 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3369 result (i, j) = xmax (d, m (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3370 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3371
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3372 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3373 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3374
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3375 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3376 max (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3377 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3378 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3379 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3380
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3381 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3382
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3383 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3384
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3385 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3386 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3387 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3388 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3389 result (i, j) = xmax (m (i, j), d);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3390 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3391
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3392 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3393 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3394
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3395 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3396 max (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3397 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3398 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3399 octave_idx_type nc = a.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3400
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3401 if (nr != b.rows () || nc != b.columns ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3402 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3403 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3404 ("two-arg max expecting args of same size");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3405 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3406 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3407
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3408 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3409
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3410 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3411
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3412 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3413 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3414 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3415 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3416 result (i, j) = xmax (a (i, j), b (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3417 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3418
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3419 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3420 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3421
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3422 FloatMatrix linspace (const FloatColumnVector& x1,
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3423 const FloatColumnVector& x2,
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3424 octave_idx_type n)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3425
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3426 {
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3427 if (n < 1) n = 1;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3428
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3429 octave_idx_type m = x1.length ();
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3430
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3431 if (x2.length () != m)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3432 (*current_liboctave_error_handler) ("linspace: vectors must be of equal length");
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3433
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3434 NoAlias<FloatMatrix> retval;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3435
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3436 retval.clear (m, n);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3437 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3438 retval(i, 0) = x1(i);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3439
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3440 // The last column is not needed while using delta.
9658
3429c956de6f extend linspace & fix up liboctave rewrite
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
3441 float *delta = &retval(0, n-1);
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3442 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3443 delta[i] = (x2(i) - x1(i)) / (n - 1);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3444
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3445 for (octave_idx_type j = 1; j < n-1; j++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3446 for (octave_idx_type i = 0; i < m; i++)
9658
3429c956de6f extend linspace & fix up liboctave rewrite
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
3447 retval(i, j) = x1(i) + j*delta[i];
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3448
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3449 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3450 retval(i, n-1) = x2(i);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3451
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3452 return retval;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3453 }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3454
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3455 MS_CMP_OPS (FloatMatrix, float)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3456 MS_BOOL_OPS (FloatMatrix, float)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3457
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3458 SM_CMP_OPS (float, FloatMatrix)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3459 SM_BOOL_OPS (float, FloatMatrix)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3460
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3461 MM_CMP_OPS (FloatMatrix, FloatMatrix)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3462 MM_BOOL_OPS (FloatMatrix, FloatMatrix)