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annotate liboctave/fMatrix.cc @ 9578:7dafdb8b062f

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refactor comparison ops implementations
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 27 Aug 2009 11:19:33 +0200
parents 0c72d9284087
children a9b37bae1802
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1 // Matrix manipulations.
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2 /*
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3
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eb63fbe60fab update copyright notices
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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
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8 This file is part of Octave.
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9
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10 Octave is free software; you can redistribute it and/or modify it
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11 under the terms of the GNU General Public License as published by the
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12 Free Software Foundation; either version 3 of the License, or (at your
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13 option) any later version.
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14
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15 Octave is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with Octave; see the file COPYING. If not, see
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22 <http://www.gnu.org/licenses/>.
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23
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24 */
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25
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26 #ifdef HAVE_CONFIG_H
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27 #include <config.h>
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28 #endif
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29
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30 #include <cfloat>
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31
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32 #include <iostream>
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33 #include <vector>
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34
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35 #include "Array-util.h"
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36 #include "DET.h"
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37 #include "byte-swap.h"
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38 #include "f77-fcn.h"
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39 #include "fMatrix.h"
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40 #include "floatCHOL.h"
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41 #include "floatSCHUR.h"
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42 #include "floatSVD.h"
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43 #include "functor.h"
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44 #include "lo-error.h"
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45 #include "lo-ieee.h"
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46 #include "lo-mappers.h"
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47 #include "lo-utils.h"
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48 #include "mx-base.h"
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49 #include "mx-fdm-fm.h"
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50 #include "mx-fm-fdm.h"
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51 #include "mx-inlines.cc"
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52 #include "mx-op-defs.h"
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53 #include "oct-cmplx.h"
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54 #include "oct-fftw.h"
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55 #include "oct-locbuf.h"
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56 #include "oct-norm.h"
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57 #include "quit.h"
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58
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59 // Fortran functions we call.
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60
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61 extern "C"
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62 {
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63 F77_RET_T
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64 F77_FUNC (xilaenv, XILAENV) (const octave_idx_type&, F77_CONST_CHAR_ARG_DECL,
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65 F77_CONST_CHAR_ARG_DECL,
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66 const octave_idx_type&, const octave_idx_type&,
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67 const octave_idx_type&, const octave_idx_type&,
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68 octave_idx_type&
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69 F77_CHAR_ARG_LEN_DECL F77_CHAR_ARG_LEN_DECL);
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70
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71 F77_RET_T
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72 F77_FUNC (sgebal, SGEBAL) (F77_CONST_CHAR_ARG_DECL,
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73 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&,
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74 octave_idx_type&, float*, octave_idx_type&
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75 F77_CHAR_ARG_LEN_DECL);
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76
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77 F77_RET_T
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78 F77_FUNC (sgebak, SGEBAK) (F77_CONST_CHAR_ARG_DECL,
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79 F77_CONST_CHAR_ARG_DECL,
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80 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&, float*,
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81 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&
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82 F77_CHAR_ARG_LEN_DECL
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83 F77_CHAR_ARG_LEN_DECL);
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84
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85
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86 F77_RET_T
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87 F77_FUNC (sgemm, SGEMM) (F77_CONST_CHAR_ARG_DECL,
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88 F77_CONST_CHAR_ARG_DECL,
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89 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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90 const float&, const float*, const octave_idx_type&,
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91 const float*, const octave_idx_type&, const float&,
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92 float*, const octave_idx_type&
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93 F77_CHAR_ARG_LEN_DECL
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94 F77_CHAR_ARG_LEN_DECL);
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95
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96 F77_RET_T
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97 F77_FUNC (sgemv, SGEMV) (F77_CONST_CHAR_ARG_DECL,
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98 const octave_idx_type&, const octave_idx_type&, const float&,
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99 const float*, const octave_idx_type&, const float*,
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100 const octave_idx_type&, const float&, float*,
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101 const octave_idx_type&
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102 F77_CHAR_ARG_LEN_DECL);
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103
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104 F77_RET_T
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105 F77_FUNC (xsdot, XSDOT) (const octave_idx_type&, const float*, const octave_idx_type&,
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106 const float*, const octave_idx_type&, float&);
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107
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108 F77_RET_T
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109 F77_FUNC (ssyrk, SSYRK) (F77_CONST_CHAR_ARG_DECL,
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110 F77_CONST_CHAR_ARG_DECL,
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111 const octave_idx_type&, const octave_idx_type&,
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112 const float&, const float*, const octave_idx_type&,
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113 const float&, float*, const octave_idx_type&
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114 F77_CHAR_ARG_LEN_DECL
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115 F77_CHAR_ARG_LEN_DECL);
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116
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117 F77_RET_T
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118 F77_FUNC (sgetrf, SGETRF) (const octave_idx_type&, const octave_idx_type&, float*, const octave_idx_type&,
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119 octave_idx_type*, octave_idx_type&);
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120
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121 F77_RET_T
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122 F77_FUNC (sgetrs, SGETRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, const octave_idx_type&,
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123 const float*, const octave_idx_type&,
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124 const octave_idx_type*, float*, const octave_idx_type&, octave_idx_type&
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125 F77_CHAR_ARG_LEN_DECL);
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126
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127 F77_RET_T
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128 F77_FUNC (sgetri, SGETRI) (const octave_idx_type&, float*, const octave_idx_type&, const octave_idx_type*,
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129 float*, const octave_idx_type&, octave_idx_type&);
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130
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131 F77_RET_T
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132 F77_FUNC (sgecon, SGECON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, float*,
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133 const octave_idx_type&, const float&, float&,
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134 float*, octave_idx_type*, octave_idx_type&
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135 F77_CHAR_ARG_LEN_DECL);
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136
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137 F77_RET_T
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138 F77_FUNC (sgelsy, SGELSY) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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139 float*, const octave_idx_type&, float*,
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140 const octave_idx_type&, octave_idx_type*, float&, octave_idx_type&,
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141 float*, const octave_idx_type&, octave_idx_type&);
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142
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143 F77_RET_T
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144 F77_FUNC (sgelsd, SGELSD) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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145 float*, const octave_idx_type&, float*,
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146 const octave_idx_type&, float*, float&, octave_idx_type&,
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147 float*, const octave_idx_type&, octave_idx_type*,
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148 octave_idx_type&);
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149
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150 F77_RET_T
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151 F77_FUNC (spotrf, SPOTRF) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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152 float *, const octave_idx_type&,
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153 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
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154
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155 F77_RET_T
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156 F77_FUNC (spocon, SPOCON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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157 float*, const octave_idx_type&, const float&,
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158 float&, float*, octave_idx_type*,
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159 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
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160 F77_RET_T
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161 F77_FUNC (spotrs, SPOTRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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162 const octave_idx_type&, const float*,
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163 const octave_idx_type&, float*,
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164 const octave_idx_type&, octave_idx_type&
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165 F77_CHAR_ARG_LEN_DECL);
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166
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167 F77_RET_T
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168 F77_FUNC (strtri, STRTRI) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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169 const octave_idx_type&, const float*,
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170 const octave_idx_type&, octave_idx_type&
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171 F77_CHAR_ARG_LEN_DECL
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172 F77_CHAR_ARG_LEN_DECL);
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173 F77_RET_T
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174 F77_FUNC (strcon, STRCON) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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175 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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176 const float*, const octave_idx_type&, float&,
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177 float*, octave_idx_type*, octave_idx_type&
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178 F77_CHAR_ARG_LEN_DECL
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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_RET_T
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182 F77_FUNC (strtrs, STRTRS) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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183 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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184 const octave_idx_type&, const float*,
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185 const octave_idx_type&, float*,
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186 const octave_idx_type&, octave_idx_type&
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187 F77_CHAR_ARG_LEN_DECL
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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
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191 F77_RET_T
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192 F77_FUNC (slartg, SLARTG) (const float&, const float&, float&,
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193 float&, float&);
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194
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195 F77_RET_T
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196 F77_FUNC (strsyl, STRSYL) (F77_CONST_CHAR_ARG_DECL,
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197 F77_CONST_CHAR_ARG_DECL,
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198 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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199 const float*, const octave_idx_type&, const float*,
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200 const octave_idx_type&, const float*, const octave_idx_type&,
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201 float&, octave_idx_type&
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202 F77_CHAR_ARG_LEN_DECL
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203 F77_CHAR_ARG_LEN_DECL);
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204
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205 F77_RET_T
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206 F77_FUNC (xslange, XSLANGE) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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207 const octave_idx_type&, const float*,
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208 const octave_idx_type&, float*, float&
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209 F77_CHAR_ARG_LEN_DECL);
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210 }
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211
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212 // Matrix class.
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213
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214 FloatMatrix::FloatMatrix (const FloatRowVector& rv)
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215 : MArray2<float> (Array2<float> (rv, 1, rv.length ()))
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216 {
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217 }
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218
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219 FloatMatrix::FloatMatrix (const FloatColumnVector& cv)
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220 : MArray2<float> (Array2<float> (cv, cv.length (), 1))
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221 {
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222 }
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223
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224 FloatMatrix::FloatMatrix (const FloatDiagMatrix& a)
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225 : MArray2<float> (a.rows (), a.cols (), 0.0)
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226 {
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227 for (octave_idx_type i = 0; i < a.length (); i++)
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228 elem (i, i) = a.elem (i, i);
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229 }
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230
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231 FloatMatrix::FloatMatrix (const PermMatrix& a)
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232 : MArray2<float> (a.rows (), a.cols (), 0.0)
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233 {
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234 const Array<octave_idx_type> ia (a.pvec ());
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235 octave_idx_type len = a.rows ();
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236 if (a.is_col_perm ())
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237 for (octave_idx_type i = 0; i < len; i++)
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238 elem (ia(i), i) = 1.0;
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239 else
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240 for (octave_idx_type i = 0; i < len; i++)
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241 elem (i, ia(i)) = 1.0;
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242 }
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243
7789
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244 // FIXME -- could we use a templated mixed-type copy function
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245 // here?
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246
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247 FloatMatrix::FloatMatrix (const boolMatrix& a)
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248 : MArray2<float> (a.rows (), a.cols ())
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249 {
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250 for (octave_idx_type i = 0; i < a.rows (); i++)
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251 for (octave_idx_type j = 0; j < a.cols (); j++)
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252 elem (i, j) = a.elem (i, j);
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253 }
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254
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255 FloatMatrix::FloatMatrix (const charMatrix& a)
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256 : MArray2<float> (a.rows (), a.cols ())
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257 {
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258 for (octave_idx_type i = 0; i < a.rows (); i++)
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259 for (octave_idx_type j = 0; j < a.cols (); j++)
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260 elem (i, j) = static_cast<unsigned char> (a.elem (i, j));
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261 }
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262
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263 bool
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264 FloatMatrix::operator == (const FloatMatrix& a) const
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265 {
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266 if (rows () != a.rows () || cols () != a.cols ())
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267 return false;
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268
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269 return mx_inline_equal (length (), data (), a.data ());
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270 }
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271
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272 bool
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273 FloatMatrix::operator != (const FloatMatrix& a) const
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274 {
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275 return !(*this == a);
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276 }
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277
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278 bool
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279 FloatMatrix::is_symmetric (void) const
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280 {
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281 if (is_square () && rows () > 0)
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282 {
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283 for (octave_idx_type i = 0; i < rows (); i++)
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284 for (octave_idx_type j = i+1; j < cols (); j++)
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285 if (elem (i, j) != elem (j, i))
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286 return false;
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287
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288 return true;
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289 }
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290
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291 return false;
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292 }
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293
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294 FloatMatrix&
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295 FloatMatrix::insert (const FloatMatrix& a, octave_idx_type r, octave_idx_type c)
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296 {
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297 Array2<float>::insert (a, r, c);
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298 return *this;
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299 }
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300
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301 FloatMatrix&
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302 FloatMatrix::insert (const FloatRowVector& a, octave_idx_type r, octave_idx_type c)
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303 {
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304 octave_idx_type a_len = a.length ();
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305
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306 if (r < 0 || r >= rows () || c < 0 || c + a_len > cols ())
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307 {
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308 (*current_liboctave_error_handler) ("range error for insert");
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309 return *this;
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310 }
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311
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312 if (a_len > 0)
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David Bateman <dbateman@free.fr>
parents:
diff changeset
313 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
314 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
315
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
316 for (octave_idx_type i = 0; i < a_len; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
317 xelem (r, c+i) = a.elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
318 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
319
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
320 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
321 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
322
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
323 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
324 FloatMatrix::insert (const FloatColumnVector& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
325 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
326 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
327
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
328 if (r < 0 || r + a_len > rows () || c < 0 || c >= cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
329 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
330 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
331 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
332 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
333
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
334 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
335 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
336 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
337
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
338 for (octave_idx_type i = 0; i < a_len; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
339 xelem (r+i, c) = a.elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
340 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
341
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
342 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
343 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
344
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
345 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
346 FloatMatrix::insert (const FloatDiagMatrix& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
347 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
348 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
349 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
350
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
351 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
352 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
353 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
354 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
355 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
356
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
357 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
358
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
359 octave_idx_type a_len = a.length ();
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 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
362 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
363 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
364
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
365 for (octave_idx_type i = 0; i < a_len; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
366 xelem (r+i, c+i) = a.elem (i, i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
367 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
368
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
369 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
370 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
371
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
372 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
373 FloatMatrix::fill (float val)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
374 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
375 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
376 octave_idx_type nc = cols ();
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 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
379 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
380 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
381
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
382 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
383 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
384 xelem (i, j) = val;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
385 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
386
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
387 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
388 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
389
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
390 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
391 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
392 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
393 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
394 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
395
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
396 if (r1 < 0 || r2 < 0 || c1 < 0 || c2 < 0
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
397 || r1 >= nr || r2 >= nr || c1 >= nc || c2 >= nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
398 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
399 (*current_liboctave_error_handler) ("range error for fill");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
400 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
401 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
402
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
403 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
404 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
405
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
406 if (r2 >= r1 && c2 >= c1)
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 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
409
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
410 for (octave_idx_type j = c1; j <= c2; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
411 for (octave_idx_type i = r1; i <= r2; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
412 xelem (i, j) = val;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
413 }
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 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
416 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
417
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
418 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
419 FloatMatrix::append (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
420 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
421 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
422 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
423 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
424 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
425 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
426 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
427 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
428
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
429 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
430 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
431 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
432 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
433 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
434 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
435
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
436 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
437 FloatMatrix::append (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
438 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
439 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
440 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
441 if (nr != 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
442 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
443 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
444 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
445 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
446
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
447 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
448 FloatMatrix retval (nr, nc + a.length ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
449 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
450 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
451 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
452 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
453
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
454 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
455 FloatMatrix::append (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
456 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
457 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
458 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
459 if (nr != a.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
460 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
461 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
462 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
463 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
464
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
465 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
466 FloatMatrix retval (nr, nc + 1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
467 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
468 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
469 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
470 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
471
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
472 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
473 FloatMatrix::append (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
474 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
475 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
476 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
477 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
478 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
479 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
480 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
481 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
482
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
483 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
484 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
485 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
486 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
487 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
488 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
489
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
490 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
491 FloatMatrix::stack (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
492 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
493 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
494 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
495 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
496 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
497 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
498 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
499 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
500 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
501
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
502 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
503 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
504 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
505 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
506 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
507 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
508
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
509 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
510 FloatMatrix::stack (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
511 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
512 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
513 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
514 if (nc != a.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
515 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
516 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
517 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
518 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
519 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
520
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
521 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
522 FloatMatrix retval (nr + 1, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
523 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
524 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
525 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
526 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
527
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
528 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
529 FloatMatrix::stack (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
530 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
531 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
532 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
533 if (nc != 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
534 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
535 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
536 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
537 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
538 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
539
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
540 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
541 FloatMatrix retval (nr + a.length (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
542 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
543 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
544 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
545 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
546
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
547 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
548 FloatMatrix::stack (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
549 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
550 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
551 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
552 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
553 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
554 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
555 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
556 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
557 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
558
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
559 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
560 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
561 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
562 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
563 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
564 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
565
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
566 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
567 real (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
568 {
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
569 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
570 a.rows (), a.cols ());
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
571 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
572
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
573 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
574 imag (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
575 {
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
576 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
577 a.rows (), a.cols ());
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
578 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
579
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
580 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
581 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
582 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
583 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
584 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
585
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
586 octave_idx_type new_r = r2 - r1 + 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
587 octave_idx_type new_c = c2 - c1 + 1;
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 FloatMatrix result (new_r, new_c);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
590
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
591 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
592 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
593 result.xelem (i, j) = elem (r1+i, c1+j);
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 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
596 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
597
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
598 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
599 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
600 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
601 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
602
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
603 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
604 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
605 result.xelem (i, j) = elem (r1+i, c1+j);
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 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
608 }
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 // extract row or column i.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
611
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
612 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
613 FloatMatrix::row (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
614 {
8614
5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8392
diff changeset
615 return MArray<float> (index (idx_vector (i), idx_vector::colon));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
616 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
617
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
618 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
619 FloatMatrix::column (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
620 {
8614
5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8392
diff changeset
621 return MArray<float> (index (idx_vector::colon, idx_vector (i)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
622 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
623
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
624 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
625 FloatMatrix::inverse (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
626 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
627 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
628 float rcon;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
629 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
630 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
631 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
632
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
633 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
634 FloatMatrix::inverse (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
635 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
636 float rcon;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
637 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
638 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
639 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
640
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
641 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
642 FloatMatrix::inverse (octave_idx_type& info, float& rcon, int force,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
643 int calc_cond) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
644 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
645 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
646 return inverse (mattype, info, rcon, force, calc_cond);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
647 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
648
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
649 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
650 FloatMatrix::inverse (MatrixType& mattype) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
651 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
652 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
653 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
654 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
655 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
656
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
657 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
658 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
659 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
660 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
661 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
662 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
663
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
664 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
665 FloatMatrix::tinverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
666 int force, int calc_cond) const
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 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
669
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
670 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
671 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
672
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
673 if (nr != nc || nr == 0 || nc == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
674 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
675 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
676 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
677 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
678 char uplo = (typ == MatrixType::Lower ? 'L' : 'U');
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
679 char udiag = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
680 retval = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
681 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
682
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
683 F77_XFCN (strtri, STRTRI, (F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
684 F77_CONST_CHAR_ARG2 (&udiag, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
685 nr, tmp_data, nr, info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
686 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
687 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
688
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
689 // 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
690 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
691 if (info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
692 info = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
693 else if (calc_cond)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
694 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
695 octave_idx_type dtrcon_info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
696 char job = '1';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
697
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
698 OCTAVE_LOCAL_BUFFER (float, work, 3 * nr);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
699 OCTAVE_LOCAL_BUFFER (octave_idx_type, iwork, nr);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
700
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
701 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
702 F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
703 F77_CONST_CHAR_ARG2 (&udiag, 1),
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
704 nr, tmp_data, nr, rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
705 work, iwork, dtrcon_info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
706 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
707 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
708 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
709
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
710 if (dtrcon_info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
711 info = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
712 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
713
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
714 if (info == -1 && ! force)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
715 retval = *this; // Restore matrix contents.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
716 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
717
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
718 return retval;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
721
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
722 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
723 FloatMatrix::finverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
724 int force, int calc_cond) const
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 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
727
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
728 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
729 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
730
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
731 if (nr != nc || nr == 0 || nc == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
732 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
733 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
734 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
735 Array<octave_idx_type> ipvt (nr);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
736 octave_idx_type *pipvt = ipvt.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
737
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
738 retval = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
739 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
740
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
741 Array<float> z(1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
742 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
743
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
744 // Query the optimum work array size.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
745 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
746 z.fortran_vec (), lwork, info));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
747
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
748 lwork = static_cast<octave_idx_type> (z(0));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
749 lwork = (lwork < 2 *nc ? 2*nc : lwork);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
750 z.resize (lwork);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
751 float *pz = z.fortran_vec ();
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 info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
754
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
755 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
756 float anorm = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
757 if (calc_cond)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
758 anorm = retval.abs().sum().row(static_cast<octave_idx_type>(0)).max();
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 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
761
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
762 // 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
763 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
764 if (info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
765 info = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
766 else if (calc_cond)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
767 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
768 octave_idx_type dgecon_info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
769
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
770 // Now calculate the condition number for non-singular matrix.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
771 char job = '1';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
772 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
773 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
774 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
775 nc, tmp_data, nr, anorm,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
776 rcon, pz, piz, dgecon_info
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
777 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
778
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
779 if (dgecon_info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
780 info = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
781 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
782
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
783 if (info == -1 && ! force)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
784 retval = *this; // Restore matrix contents.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
785 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
786 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
787 octave_idx_type dgetri_info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
788
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
789 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
790 pz, lwork, dgetri_info));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
791
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
792 if (dgetri_info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
793 info = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
794 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
795
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
796 if (info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
797 mattype.mark_as_rectangular();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
798 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
801 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
802
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
803 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
804 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
805 int force, int calc_cond) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
806 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
807 int typ = mattype.type (false);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
808 FloatMatrix ret;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
809
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
810 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
811 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
812
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
813 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
814 ret = tinverse (mattype, info, rcon, force, calc_cond);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
815 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
816 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
817 if (mattype.is_hermitian ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
818 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
819 FloatCHOL chol (*this, info, calc_cond);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
820 if (info == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
821 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
822 if (calc_cond)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
823 rcon = chol.rcond ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
824 else
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
825 rcon = 1.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
826 ret = chol.inverse ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
827 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
828 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
829 mattype.mark_as_unsymmetric ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
830 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
831
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
832 if (!mattype.is_hermitian ())
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
833 ret = finverse(mattype, info, rcon, force, calc_cond);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
834
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
835 if ((mattype.is_hermitian () || calc_cond) && rcon == 0.)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
836 ret = FloatMatrix (rows (), columns (), octave_Float_Inf);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
837 }
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 return ret;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
840 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
841
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
842 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
843 FloatMatrix::pseudo_inverse (float tol) const
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 FloatSVD result (*this, SVD::economy);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
846
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
847 FloatDiagMatrix S = result.singular_values ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
848 FloatMatrix U = result.left_singular_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
849 FloatMatrix V = result.right_singular_matrix ();
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 FloatColumnVector sigma = S.diag ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
852
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
853 octave_idx_type r = sigma.length () - 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
854 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
855 octave_idx_type nc = cols ();
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 (tol <= 0.0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
858 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
859 if (nr > nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
860 tol = nr * sigma.elem (0) * DBL_EPSILON;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
861 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
862 tol = nc * sigma.elem (0) * DBL_EPSILON;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
863 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
864
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
865 while (r >= 0 && sigma.elem (r) < tol)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
866 r--;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
867
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
868 if (r < 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
869 return FloatMatrix (nc, nr, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
870 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
871 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
872 FloatMatrix Ur = U.extract (0, 0, nr-1, r);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
873 FloatDiagMatrix D = FloatDiagMatrix (sigma.extract (0, r)) . inverse ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
874 FloatMatrix Vr = V.extract (0, 0, nc-1, r);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
875 return Vr * D * Ur.transpose ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
876 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
877 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
878
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
879 #if defined (HAVE_FFTW)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
880
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
881 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
882 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
883 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
884 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
885 size_t nc = cols ();
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 FloatComplexMatrix retval (nr, nc);
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 size_t npts, nsamples;
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 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
892 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
893 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
894 nsamples = 1;
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
897 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
898 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
899 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
900 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
901
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
902 const float *in (fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
903 FloatComplex *out (retval.fortran_vec ());
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 octave_fftw::fft (in, out, npts, nsamples);
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
908 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
909
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
910 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
911 FloatMatrix::ifourier (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
912 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
913 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
914 size_t nc = cols ();
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 FloatComplexMatrix retval (nr, nc);
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 size_t npts, nsamples;
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 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
921 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
922 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
923 nsamples = 1;
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
926 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
927 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
928 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
929 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
930
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
931 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
932 FloatComplex *in (tmp.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
933 FloatComplex *out (retval.fortran_vec ());
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 octave_fftw::ifft (in, out, npts, nsamples);
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
938 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
939
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
940 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
941 FloatMatrix::fourier2d (void) const
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 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
944
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
945 const float *in = fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
946 FloatComplexMatrix retval (rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
947 octave_fftw::fftNd (in, retval.fortran_vec (), 2, dv);
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
950 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
951
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
952 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
953 FloatMatrix::ifourier2d (void) const
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 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
956
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
957 FloatComplexMatrix retval (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
958 FloatComplex *out (retval.fortran_vec ());
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 octave_fftw::ifftNd (out, out, 2, dv);
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
963 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
964
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
965 #else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
966
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
967 extern "C"
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
968 {
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
969 // 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
970 // 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
971 // 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
972 // each subroutine.
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
973
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
974 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
975 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
976
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
977 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
978 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
979
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
980 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
981 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
982 }
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
983
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
984 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
985 FloatMatrix::fourier (void) const
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 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
988
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
989 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
990 octave_idx_type nc = cols ();
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 octave_idx_type npts, nsamples;
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 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
995 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
996 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
997 nsamples = 1;
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1000 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1001 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1002 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1003 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1004
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1005 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1006
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1007 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1008 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1009
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1010 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1011 FloatComplex *tmp_data = retval.fortran_vec ();
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 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1014
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1015 for (octave_idx_type j = 0; j < nsamples; j++)
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 OCTAVE_QUIT;
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 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
1020 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1023 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1024
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1025 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1026 FloatMatrix::ifourier (void) const
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 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1029
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1030 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1031 octave_idx_type nc = cols ();
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 octave_idx_type npts, nsamples;
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 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1036 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1037 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1038 nsamples = 1;
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1041 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1042 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1043 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1044 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1045
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1046 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1047
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1048 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1049 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1050
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1051 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1052 FloatComplex *tmp_data = retval.fortran_vec ();
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 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1055
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1056 for (octave_idx_type j = 0; j < nsamples; j++)
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 OCTAVE_QUIT;
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 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
1061 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1062
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1063 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
1064 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
1065
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1066 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1067 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1068
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1069 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1070 FloatMatrix::fourier2d (void) const
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 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1073
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1074 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1075 octave_idx_type nc = cols ();
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 octave_idx_type npts, nsamples;
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 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1080 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1081 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1082 nsamples = 1;
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1085 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1086 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1087 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1088 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1089
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1090 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1091
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1092 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1093 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1094
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1095 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1096 FloatComplex *tmp_data = retval.fortran_vec ();
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 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1099
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1100 for (octave_idx_type j = 0; j < nsamples; j++)
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 OCTAVE_QUIT;
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 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
1105 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1106
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1107 npts = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1108 nsamples = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1109 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1110
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1111 wsave.resize (nn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1112 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1113
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1114 Array<FloatComplex> tmp (npts);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1115 FloatComplex *prow = tmp.fortran_vec ();
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 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1118
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1119 for (octave_idx_type j = 0; j < nsamples; j++)
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 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1122
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1123 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1124 prow[i] = tmp_data[i*nr + j];
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 F77_FUNC (cfftf, CFFTF) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1127
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1128 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1129 tmp_data[i*nr + j] = prow[i];
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1130 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1133 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1134
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1135 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1136 FloatMatrix::ifourier2d (void) const
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 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1139
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1140 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1141 octave_idx_type nc = cols ();
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 octave_idx_type npts, nsamples;
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 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1146 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1147 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1148 nsamples = 1;
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1151 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1152 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1153 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1154 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1155
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1156 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1157
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1158 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1159 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1160
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1161 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1162 FloatComplex *tmp_data = retval.fortran_vec ();
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 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1165
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1166 for (octave_idx_type j = 0; j < nsamples; j++)
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 OCTAVE_QUIT;
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 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
1171 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1172
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1173 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
1174 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
1175
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1176 npts = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1177 nsamples = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1178 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1179
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1180 wsave.resize (nn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1181 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1182
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1183 Array<FloatComplex> tmp (npts);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1184 FloatComplex *prow = tmp.fortran_vec ();
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 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1187
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1188 for (octave_idx_type j = 0; j < nsamples; j++)
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 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1191
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1192 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1193 prow[i] = tmp_data[i*nr + j];
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 F77_FUNC (cfftb, CFFTB) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1196
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1197 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1198 tmp_data[i*nr + j] = prow[i] / static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1199 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1202 }
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 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1205
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1206 FloatDET
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1207 FloatMatrix::determinant (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1208 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1209 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1210 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1211 return determinant (info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1212 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1213
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1214 FloatDET
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1215 FloatMatrix::determinant (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1216 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1217 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1218 return determinant (info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1219 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1220
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1221 FloatDET
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1222 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
1223 {
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1224 MatrixType mattype (*this);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1225 return determinant (mattype, info, rcon, calc_cond);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1226 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1227
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1228 FloatDET
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1229 FloatMatrix::determinant (MatrixType& mattype,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1230 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
1231 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1232 FloatDET retval (1.0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1233
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1234 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1235 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1236
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1237 if (nr != nc)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1238 (*current_liboctave_error_handler) ("matrix must be square");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1239 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1240 {
8806
c7864bb74914 avoid some GCC warnings
John W. Eaton <jwe@octave.org>
parents: 8801
diff changeset
1241 volatile int typ = mattype.type ();
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1242
8337
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1243 if (typ == MatrixType::Unknown)
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1244 typ = mattype.type (*this);
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1245
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1246 if (typ == MatrixType::Lower || typ == MatrixType::Upper)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1247 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1248 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
1249 retval *= elem (i,i);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1250 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1251 else if (typ == MatrixType::Hermitian)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1252 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1253 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1254 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1255
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1256 info = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1257 float anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1258 if (calc_cond) anorm = xnorm (*this, 1);
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
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1261 char job = 'L';
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1262 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
1263 tmp_data, nr, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1264 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1265
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1266 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1267 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1268 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1269 mattype.mark_as_unsymmetric ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1270 typ = MatrixType::Full;
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 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1273 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1274 Array<float> z (3 * nc);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1275 float *pz = z.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1276 Array<octave_idx_type> iz (nc);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1277 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1278
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1279 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
1280 nr, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1281 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1282 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1283
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1284 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1285 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1286
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1287 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
1288 retval *= atmp (i,i);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1289
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1290 retval = retval.square ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1291 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1292 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1293 else if (typ != MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1294 (*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
1295
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1296 if (typ == MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1297 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1298 Array<octave_idx_type> ipvt (nr);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1299 octave_idx_type *pipvt = ipvt.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1300
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1301 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1302 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1303
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1304 info = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1305
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1306 // 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
1307 float anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1308 if (calc_cond) anorm = xnorm (*this, 1);
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 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
1311
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1312 // 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
1313 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1314 if (info != 0)
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 info = -1;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1317 retval = FloatDET ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1318 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1319 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1320 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1321 if (calc_cond)
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 // 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
1324 char job = '1';
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1325 Array<float> z (4 * nc);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1326 float *pz = z.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1327 Array<octave_idx_type> iz (nc);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1328 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1329
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1330 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
1331 nc, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1332 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1333 F77_CHAR_ARG_LEN (1)));
8335
64cf956a109c templatize & fix DET
Jaroslav Hajek <highegg@gmail.com>
parents: 8211
diff changeset
1334 }
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1335
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1336 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1337 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1338 info = -1;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1339 retval = FloatDET ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1340 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1341 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1342 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1343 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
1344 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1345 float c = atmp(i,i);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1346 retval *= (ipvt(i) != (i+1)) ? -c : c;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1347 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1348 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1349 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1350 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1351 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1352
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1353 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1354 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1355
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1356 float
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1357 FloatMatrix::rcond (void) const
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1358 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1359 MatrixType mattype (*this);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1360 return rcond (mattype);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1361 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1362
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1363 float
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1364 FloatMatrix::rcond (MatrixType &mattype) const
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1365 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1366 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1367 octave_idx_type nr = rows ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1368 octave_idx_type nc = cols ();
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 if (nr != nc)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1371 (*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
1372 else if (nr == 0 || nc == 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1373 rcon = octave_Inf;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1374 else
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1375 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1376 int typ = mattype.type ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1377
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1378 if (typ == MatrixType::Unknown)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1379 typ = mattype.type (*this);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1380
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1381 // 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
1382 if (typ == MatrixType::Upper)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1383 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1384 const float *tmp_data = fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1385 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1386 char norm = '1';
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1387 char uplo = 'U';
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1388 char dia = 'N';
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1389
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1390 Array<float> z (3 * nc);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1391 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1392 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1393 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1394
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1395 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1396 F77_CONST_CHAR_ARG2 (&uplo, 1),
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1397 F77_CONST_CHAR_ARG2 (&dia, 1),
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1398 nr, tmp_data, nr, rcon,
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1399 pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1400 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1401 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1402 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1403
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1404 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1405 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1406 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1407 else if (typ == MatrixType::Permuted_Upper)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1408 (*current_liboctave_error_handler)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1409 ("permuted triangular matrix not implemented");
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1410 else if (typ == MatrixType::Lower)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1411 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1412 const float *tmp_data = fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1413 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1414 char norm = '1';
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1415 char uplo = 'L';
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1416 char dia = 'N';
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1417
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1418 Array<float> z (3 * nc);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1419 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1420 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1421 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1422
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1423 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1424 F77_CONST_CHAR_ARG2 (&uplo, 1),
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1425 F77_CONST_CHAR_ARG2 (&dia, 1),
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1426 nr, tmp_data, nr, rcon,
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1427 pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1428 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1429 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1430 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1431
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1432 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1433 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1434 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1435 else if (typ == MatrixType::Permuted_Lower)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1436 (*current_liboctave_error_handler)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1437 ("permuted triangular matrix not implemented");
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1438 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1439 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1440 float anorm = -1.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1441 FloatMatrix atmp = *this;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1442 float *tmp_data = atmp.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1443
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1444 if (typ == MatrixType::Hermitian)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1445 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1446 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1447 char job = 'L';
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1448 anorm = atmp.abs().sum().
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1449 row(static_cast<octave_idx_type>(0)).max();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1450
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1451 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1452 tmp_data, nr, info
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1453 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1454
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1455 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1456 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1457 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1458 mattype.mark_as_unsymmetric ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1459 typ = MatrixType::Full;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1460 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1461 else
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1462 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1463 Array<float> z (3 * nc);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1464 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1465 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1466 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1467
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1468 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1469 nr, tmp_data, nr, anorm,
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1470 rcon, pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1471 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1472
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1473 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1474 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1475 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1476 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1477
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1478 if (typ == MatrixType::Full)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1479 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1480 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1481
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1482 Array<octave_idx_type> ipvt (nr);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1483 octave_idx_type *pipvt = ipvt.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1484
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1485 if(anorm < 0.)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1486 anorm = atmp.abs().sum().
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1487 row(static_cast<octave_idx_type>(0)).max();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1488
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1489 Array<float> z (4 * nc);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1490 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1491 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1492 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1493
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1494 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1495
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1496 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1497 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1498 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1499 mattype.mark_as_rectangular ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1500 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1501 else
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1502 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1503 char job = '1';
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1504 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1505 nc, tmp_data, nr, anorm,
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1506 rcon, pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1507 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1508
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1509 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1510 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1511 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1512 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1513 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1514 else
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1515 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1516 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1517
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1518 return rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1519 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1520
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1521 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1522 FloatMatrix::utsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1523 float& rcon, solve_singularity_handler sing_handler,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1524 bool calc_cond) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1525 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1526 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1527
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1528 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1529 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1530
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1531 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1532 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1533 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1534 else if (nr == 0 || nc == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1535 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1536 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1537 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1538 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1539
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1540 if (typ == MatrixType::Permuted_Upper ||
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1541 typ == MatrixType::Upper)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1542 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1543 octave_idx_type b_nc = b.cols ();
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1544 rcon = 1.;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1545 info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1546
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1547 if (typ == MatrixType::Permuted_Upper)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1548 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1549 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1550 ("permuted triangular matrix not implemented");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1551 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1552 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1553 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1554 const float *tmp_data = fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1555
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1556 if (calc_cond)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1557 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1558 char norm = '1';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1559 char uplo = 'U';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1560 char dia = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1561
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1562 Array<float> z (3 * nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1563 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1564 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1565 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1566
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1567 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1568 F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1569 F77_CONST_CHAR_ARG2 (&dia, 1),
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1570 nr, tmp_data, nr, rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1571 pz, piz, info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1572 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1573 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1574 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1575
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1576 if (info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1577 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1578
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1579 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1580
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1581 if (rcond_plus_one == 1.0 || xisnan (rcon))
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1582 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1583 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1584
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1585 if (sing_handler)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1586 sing_handler (rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1587 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1588 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1589 ("matrix singular to machine precision, rcond = %g",
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1590 rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1591 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1592 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1593
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1594 if (info == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1595 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1596 retval = b;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1597 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1598
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1599 char uplo = 'U';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1600 char trans = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1601 char dia = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1602
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1603 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1604 F77_CONST_CHAR_ARG2 (&trans, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1605 F77_CONST_CHAR_ARG2 (&dia, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1606 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1607 result, nr, info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1608 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1609 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1610 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1611 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1612 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1613 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1614 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1615 (*current_liboctave_error_handler) ("incorrect matrix type");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1616 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1617
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1618 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1619 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1622 FloatMatrix::ltsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1623 float& rcon, solve_singularity_handler sing_handler,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1624 bool calc_cond) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1625 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1626 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1627
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1628 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1629 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1630
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1631 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1632 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1633 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1634 else if (nr == 0 || nc == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1635 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1636 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1637 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1638 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1639
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1640 if (typ == MatrixType::Permuted_Lower ||
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1641 typ == MatrixType::Lower)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1642 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1643 octave_idx_type b_nc = b.cols ();
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1644 rcon = 1.;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1645 info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1646
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1647 if (typ == MatrixType::Permuted_Lower)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1648 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1649 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1650 ("permuted triangular matrix not implemented");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1651 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1652 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1653 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1654 const float *tmp_data = fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1655
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1656 if (calc_cond)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1657 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1658 char norm = '1';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1659 char uplo = 'L';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1660 char dia = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1661
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1662 Array<float> z (3 * nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1663 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1664 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1665 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1666
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1667 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1668 F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1669 F77_CONST_CHAR_ARG2 (&dia, 1),
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1670 nr, tmp_data, nr, rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1671 pz, piz, info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1672 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1673 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1674 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1675
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1676 if (info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1677 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1678
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1679 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1680
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1681 if (rcond_plus_one == 1.0 || xisnan (rcon))
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1682 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1683 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1684
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1685 if (sing_handler)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1686 sing_handler (rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1687 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1688 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1689 ("matrix singular to machine precision, rcond = %g",
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1690 rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1691 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1692 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1693
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1694 if (info == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1695 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1696 retval = b;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1697 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1698
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1699 char uplo = 'L';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1700 char trans = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1701 char dia = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1702
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1703 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1704 F77_CONST_CHAR_ARG2 (&trans, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1705 F77_CONST_CHAR_ARG2 (&dia, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1706 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1707 result, nr, info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1708 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1709 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1710 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1711 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1712 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1713 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1714 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1715 (*current_liboctave_error_handler) ("incorrect matrix type");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1716 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1717
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1718 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1719 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1722 FloatMatrix::fsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1723 float& rcon, solve_singularity_handler sing_handler,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1724 bool calc_cond) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1725 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1726 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1727
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1728 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1729 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1730
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1731 if (nr != nc || nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1732 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1733 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1734 else if (nr == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1735 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1736 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1737 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1738 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1739
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1740 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1741 float anorm = -1.;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1742
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1743 if (typ == MatrixType::Hermitian)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1744 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1745 info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1746 char job = 'L';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1747 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1748 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1749 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1750
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1751 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1752 tmp_data, nr, info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1753 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1754
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1755 // 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
1756 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1757 if (info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1758 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1759 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1760
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1761 mattype.mark_as_unsymmetric ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1762 typ = MatrixType::Full;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1763 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1764 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1765 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1766 if (calc_cond)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1767 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1768 Array<float> z (3 * nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1769 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1770 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1771 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1772
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1773 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1774 nr, tmp_data, nr, anorm,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1775 rcon, pz, piz, info
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1776 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1777
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1778 if (info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1779 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1780
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1781 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1782
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1783 if (rcond_plus_one == 1.0 || xisnan (rcon))
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1784 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1785 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1786
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1787 if (sing_handler)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1788 sing_handler (rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1789 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1790 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1791 ("matrix singular to machine precision, rcond = %g",
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1792 rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1793 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1794 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1795
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1796 if (info == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1797 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1798 retval = b;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1799 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1800
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1801 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1802
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1803 F77_XFCN (spotrs, SPOTRS, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1804 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1805 result, b.rows(), info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1806 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1807 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1808 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1809 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1810 mattype.mark_as_unsymmetric ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1811 typ = MatrixType::Full;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1812 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1813 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1814 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1815
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1816 if (typ == MatrixType::Full)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1817 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1818 info = 0;
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 Array<octave_idx_type> ipvt (nr);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1821 octave_idx_type *pipvt = ipvt.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1822
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1823 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1824 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1825 if(anorm < 0.)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1826 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1827
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1828 Array<float> z (4 * nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1829 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1830 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1831 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1832
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1833 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1834
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1835 // 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
1836 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1837 if (info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1838 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1839 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1840
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1841 if (sing_handler)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1842 sing_handler (rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1843 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1844 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1845 ("matrix singular to machine precision");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1846
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1847 mattype.mark_as_rectangular ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1848 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1849 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1850 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1851 if (calc_cond)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1852 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1853 // Now calculate the condition number for
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1854 // non-singular matrix.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1855 char job = '1';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1856 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1857 nc, tmp_data, nr, anorm,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1858 rcon, pz, piz, info
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1859 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1860
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1861 if (info != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1862 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1863
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1864 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1865
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1866 if (rcond_plus_one == 1.0 || xisnan (rcon))
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1867 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1868 info = -2;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1869
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1870 if (sing_handler)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1871 sing_handler (rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1872 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1873 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1874 ("matrix singular to machine precision, rcond = %g",
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1875 rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1876 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1877 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1878
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1879 if (info == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1880 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1881 retval = b;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1882 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1883
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1884 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1885
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1886 char job = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1887 F77_XFCN (sgetrs, SGETRS, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1888 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1889 pipvt, result, b.rows(), info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1890 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1891 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1892 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1893 mattype.mark_as_rectangular ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1894 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1895 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1896 else if (typ != MatrixType::Hermitian)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1897 (*current_liboctave_error_handler) ("incorrect matrix type");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1898 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1899
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1900 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1901 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1904 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b) const
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 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1907 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1908 return solve (typ, b, info, rcon, 0);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1911 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1912 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1913 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1914 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1915 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1916 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1917
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1918 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1919 FloatMatrix::solve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1920 float& rcon, solve_singularity_handler sing_handler,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1921 bool singular_fallback) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1922 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1923 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1924 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1925
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1926 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1927 typ = mattype.type (*this);
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 // Only calculate the condition number for LU/Cholesky
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1930 if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1931 retval = utsolve (mattype, b, info, rcon, sing_handler, false);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1932 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1933 retval = ltsolve (mattype, b, info, rcon, sing_handler, false);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1934 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
1935 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
1936 else if (typ != MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1937 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1938 (*current_liboctave_error_handler) ("unknown matrix type");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1939 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1940 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1941
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1942 // 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
1943 if (singular_fallback && mattype.type () == MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1944 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1945 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1946 retval = lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1947 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1948
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1949 return retval;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1952 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1953 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b) const
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 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1956 return tmp.solve (typ, b);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1959 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1960 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1961 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1962 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1963 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1964 return tmp.solve (typ, b, info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1965 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1966
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1967 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1968 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1969 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1970 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1971 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1972 return tmp.solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1973 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1974
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1975 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1976 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1977 float& rcon, solve_singularity_handler sing_handler,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1978 bool singular_fallback) const
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 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1981 return tmp.solve (typ, b, info, rcon, sing_handler, singular_fallback);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1982 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1983
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1984 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1985 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1986 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1987 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1988 return solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1989 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1990
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1991 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1992 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1993 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1994 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1995 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1996 return solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1997 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1998
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1999 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2000 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2001 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2002 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2003 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2004 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2005
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2006 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2007 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2008 float& rcon, solve_singularity_handler sing_handler) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2009 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2010 FloatMatrix tmp (b);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2011 return solve (typ, tmp, info, rcon, sing_handler).column(static_cast<octave_idx_type> (0));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2012 }
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 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2015 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2016 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2017 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2018 return tmp.solve (typ, b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2019 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2020
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2021 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2022 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2023 octave_idx_type& info) const
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 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2026 return tmp.solve (typ, b, info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2027 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2028
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2029 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2030 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2031 octave_idx_type& info, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2032 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2033 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2034 return tmp.solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2035 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2036
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2037 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2038 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2039 octave_idx_type& info, float& rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2040 solve_singularity_handler sing_handler) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2041 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2042 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2043 return tmp.solve(typ, b, info, rcon, sing_handler);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2044 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2047 FloatMatrix::solve (const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2048 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2049 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2050 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2051 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2052 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2055 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
2056 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2057 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2058 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2059 }
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 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2062 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
2063 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2064 return solve (b, info, rcon, 0);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2067 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2068 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2069 float& rcon, solve_singularity_handler sing_handler) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2070 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2071 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2072 return solve (mattype, b, info, rcon, sing_handler);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2075 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2076 FloatMatrix::solve (const FloatComplexMatrix& b) const
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 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2079 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2080 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2081
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2082 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2083 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
2084 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2085 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2086 return tmp.solve (b, info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2087 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2088
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2089 FloatComplexMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2090 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
2091 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2092 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2093 return tmp.solve (b, info, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2096 FloatComplexMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2097 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, float& rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2098 solve_singularity_handler sing_handler) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2099 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2100 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2101 return tmp.solve (b, info, rcon, sing_handler);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2102 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2103
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2104 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2105 FloatMatrix::solve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2106 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2107 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2108 return solve (b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2109 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2110
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2111 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2112 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
2113 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2114 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2115 return solve (b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2116 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2117
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2118 FloatColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2119 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
2120 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2121 return solve (b, info, rcon, 0);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2124 FloatColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2125 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, float& rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2126 solve_singularity_handler sing_handler) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2127 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2128 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2129 return solve (mattype, b, info, rcon, sing_handler);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2130 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2131
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2132 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2133 FloatMatrix::solve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2134 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2135 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2136 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2137 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2138
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2139 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2140 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
2141 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2142 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2143 return tmp.solve (b, info);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2146 FloatComplexColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2147 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
2148 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2149 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2150 return tmp.solve (b, info, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2153 FloatComplexColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2154 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, float& rcon,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2155 solve_singularity_handler sing_handler) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2156 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2157 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2158 return tmp.solve (b, info, rcon, sing_handler);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2159 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2160
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2161 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2162 FloatMatrix::lssolve (const FloatMatrix& b) const
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 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2165 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2166 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2167 return lssolve (b, info, rank, rcon);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2170 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2171 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
2172 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2173 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2174 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2175 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2176 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2177
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2178 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2179 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2180 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2181 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2182 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2183 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2184 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2187 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2188 octave_idx_type& rank, 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 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2191
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2192 octave_idx_type nrhs = b.cols ();
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 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2195 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2196
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2197 if (m != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2198 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2199 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2200 else if (m == 0 || n == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2201 retval = FloatMatrix (n, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2202 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2203 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2204 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2205 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
2206 rcon = -1.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2207 if (m != n)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2208 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2209 retval = FloatMatrix (maxmn, nrhs, 0.0);
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 for (octave_idx_type j = 0; j < nrhs; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2212 for (octave_idx_type i = 0; i < m; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2213 retval.elem (i, j) = b.elem (i, j);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2214 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2215 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2216 retval = b;
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 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2219 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2220
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2221 float *pretval = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2222 Array<float> s (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2223 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2224
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2225 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2226 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2227
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2228 Array<float> work (1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2229
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2230 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2231 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2232 F77_CONST_CHAR_ARG2 (" ", 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2233 0, 0, 0, 0, smlsiz
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2234 F77_CHAR_ARG_LEN (6)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2235 F77_CHAR_ARG_LEN (1));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2236
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2237 octave_idx_type mnthr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2238 F77_FUNC (xilaenv, XILAENV) (6, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2239 F77_CONST_CHAR_ARG2 (" ", 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2240 m, n, nrhs, -1, mnthr
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2241 F77_CHAR_ARG_LEN (6)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2242 F77_CHAR_ARG_LEN (1));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2243
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2244 // 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
2245 // 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
2246 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2247 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2248 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2249 float tmp = log2 (dminmn / dsmlsizp1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2250 #else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2251 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2252 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2253 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
2254 if (nlvl < 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2255 nlvl = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2256
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2257 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2258 if (liwork < 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2259 liwork = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2260 Array<octave_idx_type> iwork (liwork);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2261 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2262
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2263 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2264 ps, rcon, rank, work.fortran_vec (),
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2265 lwork, piwork, info));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2266
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2267 // 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
2268 // 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
2269 // should provide sufficient workspace for DGELSD to operate
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2270 // efficiently.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2271 if (n >= mnthr)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2272 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2273 const octave_idx_type wlalsd
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2274 = 9*m + 2*m*smlsiz + 8*m*nlvl + m*nrhs + (smlsiz+1)*(smlsiz+1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2275
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2276 octave_idx_type addend = m;
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 if (2*m-4 > addend)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2279 addend = 2*m-4;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2280
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2281 if (nrhs > addend)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2282 addend = nrhs;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2283
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2284 if (n-3*m > addend)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2285 addend = n-3*m;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2286
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2287 if (wlalsd > addend)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2288 addend = wlalsd;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2289
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2290 const octave_idx_type lworkaround = 4*m + m*m + addend;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2291
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2292 if (work(0) < lworkaround)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2293 work(0) = lworkaround;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2294 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2295 else if (m >= n)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2296 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2297 octave_idx_type lworkaround
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2298 = 12*n + 2*n*smlsiz + 8*n*nlvl + n*nrhs + (smlsiz+1)*(smlsiz+1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2299
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2300 if (work(0) < lworkaround)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2301 work(0) = lworkaround;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2302 }
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 lwork = static_cast<octave_idx_type> (work(0));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2305 work.resize (lwork);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2306
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2307 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2308 maxmn, ps, rcon, rank,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2309 work.fortran_vec (), lwork,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2310 piwork, info));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2311
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2312 if (rank < minmn)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2313 (*current_liboctave_warning_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2314 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2315 if (s.elem (0) == 0.0)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2316 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2317 else
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2318 rcon = s.elem (minmn - 1) / s.elem (0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2319
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2320 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2321 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2322
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2323 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2324 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2325
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2326 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2327 FloatMatrix::lssolve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2328 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2329 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2330 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2331 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2332 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2333 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2334 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2335
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2336 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2337 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
2338 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2339 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2340 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2341 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2342 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2343 }
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 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2346 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2347 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2348 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2349 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2350 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2351 return tmp.lssolve (b, info, rank, rcon);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2354 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2355 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2356 octave_idx_type& rank, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2357 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2358 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2359 return tmp.lssolve (b, info, rank, rcon);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2362 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2363 FloatMatrix::lssolve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2364 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2365 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2366 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2367 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2368 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2369 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2370
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2371 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2372 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
2373 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2374 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2375 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2376 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2377 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2378
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2379 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2380 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2381 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2382 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2383 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2384 return lssolve (b, info, rank, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2387 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2388 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2389 octave_idx_type& rank, float &rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2390 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2391 FloatColumnVector retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2392
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2393 octave_idx_type nrhs = 1;
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 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2396 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2397
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2398 if (m != b.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2399 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2400 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2401 else if (m == 0 || n == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2402 retval = FloatColumnVector (n, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2403 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2404 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2405 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2406 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
2407 rcon = -1.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2408
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2409 if (m != n)
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 retval = FloatColumnVector (maxmn, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2412
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2413 for (octave_idx_type i = 0; i < m; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2414 retval.elem (i) = b.elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2415 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2416 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2417 retval = b;
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 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2420 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2421
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2422 float *pretval = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2423 Array<float> s (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2424 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2425
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2426 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2427 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2428
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2429 Array<float> work (1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2430
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2431 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2432 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2433 F77_CONST_CHAR_ARG2 (" ", 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2434 0, 0, 0, 0, smlsiz
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2435 F77_CHAR_ARG_LEN (6)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2436 F77_CHAR_ARG_LEN (1));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2437
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2438 // 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
2439 // 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
2440 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2441 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2442 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2443 float tmp = log2 (dminmn / dsmlsizp1);
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 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2446 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2447 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
2448 if (nlvl < 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2449 nlvl = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2450
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2451 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2452 if (liwork < 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2453 liwork = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2454 Array<octave_idx_type> iwork (liwork);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2455 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2456
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2457 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2458 ps, rcon, rank, work.fortran_vec (),
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2459 lwork, piwork, info));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2460
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2461 lwork = static_cast<octave_idx_type> (work(0));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2462 work.resize (lwork);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2463
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2464 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2465 maxmn, ps, rcon, rank,
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2466 work.fortran_vec (), lwork,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2467 piwork, info));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2468
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2469 if (rank < minmn)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2470 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2471 if (rank < minmn)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2472 (*current_liboctave_warning_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2473 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2474 if (s.elem (0) == 0.0)
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2475 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2476 else
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2477 rcon = s.elem (minmn - 1) / s.elem (0);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2480 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2481 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2482
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2483 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2484 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2485
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2486 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2487 FloatMatrix::lssolve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2488 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2489 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2490 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2491 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2492 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2493 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2494 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2495
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2496 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2497 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
2498 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2499 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2500 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2501 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2502 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2503 }
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 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2506 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2507 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2508 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2509 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2510 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2511 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2512 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2513
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2514 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2515 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2516 octave_idx_type& rank, float &rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2517 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2518 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2519 return tmp.lssolve (b, info, rank, rcon);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2522 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2523 FloatMatrix::operator += (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2524 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2525 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2526 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2527
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2528 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2529 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2530
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2531 if (nr != a_nr || nc != a_nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2532 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2533 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2534 return *this;
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 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
2538 elem (i, i) += a.elem (i, i);
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 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2541 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2542
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2543 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2544 FloatMatrix::operator -= (const FloatDiagMatrix& a)
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 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2547 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2548
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2549 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2550 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2551
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2552 if (nr != a_nr || nc != a_nc)
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 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2555 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2556 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2557
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2558 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
2559 elem (i, i) -= a.elem (i, i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2560
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2561 return *this;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2564 // unary operations
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 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2567 FloatMatrix::operator ! (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2568 {
9553
0c72d9284087 further bool ops tweaks
Jaroslav Hajek <highegg@gmail.com>
parents: 9551
diff changeset
2569 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
2570 }
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 // column vector by row vector -> matrix operations
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2575 operator * (const FloatColumnVector& v, const FloatRowVector& a)
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 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2578
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2579 octave_idx_type len = v.length ();
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 if (len != 0)
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 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2584
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
2585 retval = FloatMatrix (len, a_len);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2586 float *c = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2587
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2588 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2589 F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2590 len, a_len, 1, 1.0, v.data (), len,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2591 a.data (), 1, 0.0, c, len
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2592 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2593 F77_CHAR_ARG_LEN (1)));
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2596 return retval;
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 // other operations.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2600
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2601 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2602 FloatMatrix::map (dmapper fcn) const
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 return MArray2<float>::map<float> (func_ptr (fcn));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2605 }
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 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2608 FloatMatrix::map (cmapper fcn) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2609 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2610 return MArray2<float>::map<FloatComplex> (func_ptr (fcn));
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 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2614 FloatMatrix::map (bmapper fcn) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2615 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2616 return MArray2<float>::map<bool> (func_ptr (fcn));
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2619 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2620 FloatMatrix::any_element_is_negative (bool neg_zero) const
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 octave_idx_type nel = nelem ();
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 if (neg_zero)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2625 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2626 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2627 if (lo_ieee_signbit (elem (i)))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2628 return true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2629 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2630 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2631 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2632 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2633 if (elem (i) < 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2634 return true;
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 false;
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
7922
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2640 bool
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2641 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
2642 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2643 octave_idx_type nel = nelem ();
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2644
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2645 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
2646 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2647 float val = elem (i);
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2648 if (xisnan (val))
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2649 return true;
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2650 }
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2651
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2652 return false;
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2653 }
7789
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 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2656 FloatMatrix::any_element_is_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2657 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2658 octave_idx_type nel = nelem ();
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 for (octave_idx_type i = 0; i < nel; i++)
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 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2663 if (xisinf (val) || xisnan (val))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2664 return true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2665 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2666
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2667 return false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2668 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2669
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2670 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2671 FloatMatrix::any_element_not_one_or_zero (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2672 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2673 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2674
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2675 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2676 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2677 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2678 if (val != 0 && val != 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2679 return true;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2682 return false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2683 }
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 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2686 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
2687 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2688 octave_idx_type nel = nelem ();
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 for (octave_idx_type i = 0; i < nel; i++)
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 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2693 if (xisnan (val) || D_NINT (val) == val)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2694 continue;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2695 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2696 return false;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2699 return true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2700 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2701
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2702 // 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
2703 // 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
2704
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2705 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2706 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
2707 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2708 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2709
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2710 if (nel > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2711 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2712 max_val = elem (0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2713 min_val = elem (0);
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2716 return false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2717
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2718 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2719 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2720 float val = elem (i);
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 if (val > max_val)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2723 max_val = val;
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 if (val < min_val)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2726 min_val = 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 if (D_NINT (val) != val)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2729 return false;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2732 return true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2733 }
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 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2736 FloatMatrix::too_large_for_float (void) const
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 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2739
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2740 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2741 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2742 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2743
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2744 if (! (xisnan (val) || xisinf (val))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2745 && fabs (val) > FLT_MAX)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2746 return true;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2749 return false;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2752 // 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
2753 // in a base class?
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 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2756 FloatMatrix::all (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2757 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2758 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
2759 }
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 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2762 FloatMatrix::any (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2763 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2764 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
2765 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2768 FloatMatrix::cumprod (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2769 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2770 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
2771 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2772
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2773 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2774 FloatMatrix::cumsum (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2775 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2776 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
2777 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2778
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2779 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2780 FloatMatrix::prod (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2781 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2782 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
2783 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2784
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2785 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2786 FloatMatrix::sum (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2787 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2788 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
2789 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2790
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2791 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2792 FloatMatrix::sumsq (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2793 {
9227
8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++
Jaroslav Hajek <highegg@gmail.com>
parents: 8999
diff changeset
2794 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
2795 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2796
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2797 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2798 FloatMatrix::abs (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2799 {
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
2800 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
2801 rows (), cols ());
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2802 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2803
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2804 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2805 FloatMatrix::diag (octave_idx_type k) const
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 return MArray2<float>::diag (k);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2808 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2809
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2810 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2811 FloatMatrix::row_min (void) const
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 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2814 return row_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2815 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2816
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2817 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2818 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
2819 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2820 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2821
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2822 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2823 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2824
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2825 if (nr > 0 && nc > 0)
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 result.resize (nr);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2828 idx_arg.resize (nr);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2829
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2830 for (octave_idx_type i = 0; i < nr; i++)
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 octave_idx_type idx_j;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2833
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2834 float tmp_min = octave_Float_NaN;
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 for (idx_j = 0; idx_j < nc; idx_j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2837 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2838 tmp_min = elem (i, idx_j);
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 if (! xisnan (tmp_min))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2841 break;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2844 for (octave_idx_type j = idx_j+1; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2845 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2846 float tmp = elem (i, j);
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 (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2849 continue;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2850 else if (tmp < tmp_min)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2851 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2852 idx_j = j;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2853 tmp_min = tmp;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2854 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2855 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2856
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2857 result.elem (i) = tmp_min;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2858 idx_arg.elem (i) = xisnan (tmp_min) ? 0 : idx_j;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2859 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2860 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2861
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2862 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2863 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2864
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2865 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2866 FloatMatrix::row_max (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2867 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2868 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2869 return row_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2870 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2871
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2872 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2873 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
2874 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2875 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2876
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2877 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2878 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2879
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2880 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2881 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2882 result.resize (nr);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2883 idx_arg.resize (nr);
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 for (octave_idx_type i = 0; i < nr; i++)
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 octave_idx_type idx_j;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2888
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2889 float tmp_max = octave_Float_NaN;
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 for (idx_j = 0; idx_j < nc; idx_j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2892 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2893 tmp_max = elem (i, idx_j);
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 if (! xisnan (tmp_max))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2896 break;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2899 for (octave_idx_type j = idx_j+1; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2900 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2901 float tmp = elem (i, j);
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 (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2904 continue;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2905 else if (tmp > tmp_max)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2906 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2907 idx_j = j;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2908 tmp_max = tmp;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2909 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2910 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2911
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2912 result.elem (i) = tmp_max;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2913 idx_arg.elem (i) = xisnan (tmp_max) ? 0 : idx_j;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2914 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2915 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2916
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2917 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2918 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2919
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2920 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2921 FloatMatrix::column_min (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2922 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2923 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2924 return column_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2925 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2926
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2927 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2928 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
2929 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2930 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2931
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2932 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2933 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2934
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2935 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2936 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2937 result.resize (nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2938 idx_arg.resize (nc);
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 for (octave_idx_type j = 0; j < nc; j++)
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 octave_idx_type idx_i;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2943
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2944 float tmp_min = octave_Float_NaN;
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 for (idx_i = 0; idx_i < nr; idx_i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2947 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2948 tmp_min = elem (idx_i, j);
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 if (! xisnan (tmp_min))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2951 break;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2954 for (octave_idx_type i = idx_i+1; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2955 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2956 float tmp = elem (i, j);
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 (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2959 continue;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2960 else if (tmp < tmp_min)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2961 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2962 idx_i = i;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2963 tmp_min = tmp;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2964 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2965 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2966
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2967 result.elem (j) = tmp_min;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2968 idx_arg.elem (j) = xisnan (tmp_min) ? 0 : idx_i;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2969 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2970 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2971
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2972 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2973 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2974
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2975 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2976 FloatMatrix::column_max (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2977 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2978 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2979 return column_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2980 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2981
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2982 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2983 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
2984 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2985 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2986
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2987 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2988 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2989
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2990 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2991 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2992 result.resize (nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2993 idx_arg.resize (nc);
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 for (octave_idx_type j = 0; j < nc; j++)
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 octave_idx_type idx_i;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2998
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2999 float tmp_max = octave_Float_NaN;
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 for (idx_i = 0; idx_i < nr; idx_i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3002 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3003 tmp_max = elem (idx_i, j);
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 if (! xisnan (tmp_max))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3006 break;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3009 for (octave_idx_type i = idx_i+1; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3010 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3011 float tmp = elem (i, j);
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 (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3014 continue;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3015 else if (tmp > tmp_max)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3016 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3017 idx_i = i;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3018 tmp_max = tmp;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3019 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3020 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3021
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3022 result.elem (j) = tmp_max;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3023 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_i;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3024 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3025 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3026
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3027 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3028 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3029
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3030 std::ostream&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3031 operator << (std::ostream& os, const FloatMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3032 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3033 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
3034 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3035 for (octave_idx_type j = 0; j < a.cols (); j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3036 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3037 os << " ";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3038 octave_write_float (os, a.elem (i, j));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3039 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3040 os << "\n";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3041 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3042 return os;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3043 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3044
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3045 std::istream&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3046 operator >> (std::istream& is, FloatMatrix& a)
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 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3049 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3050
8999
dc07bc4157b8 allow empty matrices in stream input operators
Jaroslav Hajek <highegg@gmail.com>
parents: 8956
diff changeset
3051 if (nr > 0 && nc > 0)
7789
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 float tmp;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3054 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3055 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3056 {
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 9359
diff changeset
3057 tmp = octave_read_value<float> (is);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3058 if (is)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3059 a.elem (i, j) = tmp;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3060 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3061 goto done;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3062 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3063 }
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 done:
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 return is;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3068 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3069
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3070 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3071 Givens (float x, float y)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3072 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3073 float cc, s, temp_r;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3074
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3075 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
3076
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3077 FloatMatrix g (2, 2);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3078
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3079 g.elem (0, 0) = cc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3080 g.elem (1, 1) = cc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3081 g.elem (0, 1) = s;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3082 g.elem (1, 0) = -s;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3083
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3084 return g;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3085 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3088 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
3089 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3090 FloatMatrix retval;
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 // 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
3093 // size.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3094
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3095 // Compute Schur decompositions.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3096
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3097 FloatSCHUR as (a, "U");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3098 FloatSCHUR bs (b, "U");
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 // Transform c to new coordinates.
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 FloatMatrix ua = as.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3103 FloatMatrix sch_a = as.schur_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3104
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3105 FloatMatrix ub = bs.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3106 FloatMatrix sch_b = bs.schur_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3107
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3108 FloatMatrix cx = ua.transpose () * c * ub;
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 // Solve the sylvester equation, back-transform, and return the
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3111 // solution.
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 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3114 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3115
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3116 float scale;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3117 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3118
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3119 float *pa = sch_a.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3120 float *pb = sch_b.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3121 float *px = cx.fortran_vec ();
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 F77_XFCN (strsyl, STRSYL, (F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3124 F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3125 1, a_nr, b_nr, pa, a_nr, pb,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3126 b_nr, px, a_nr, scale, info
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3127 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3128 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3129
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 // FIXME -- check info?
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 retval = -ua*cx*ub.transpose ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3134
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3135 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3136 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3137
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3138 // matrix by matrix -> matrix operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3139
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3140 /* 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
3141 %!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
3142 %!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
3143 %!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
3144 */
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 /* Test some simple identities
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3147 %!shared M, cv, rv
9527
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3148 %! M = single(randn(10,10));
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3149 %! cv = single(randn(10,1));
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3150 %! rv = single(randn(1,10));
9528
ec066ba012c8 more fixes & tests for matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9527
diff changeset
3151 %!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
3152 %!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
3153 %!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
3154 %!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
3155 %!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
3156 */
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3157
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3158 static const char *
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3159 get_blas_trans_arg (bool trans)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3160 {
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3161 static char blas_notrans = 'N', blas_trans = 'T';
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3162 return (trans) ? &blas_trans : &blas_notrans;
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3163 }
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3164
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3165 // the general GEMM operation
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3166
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3167 FloatMatrix
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3168 xgemm (bool transa, const FloatMatrix& a, bool transb, const FloatMatrix& b)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3169 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3170 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3171
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3172 octave_idx_type a_nr = transa ? a.cols () : a.rows ();
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3173 octave_idx_type a_nc = transa ? a.rows () : a.cols ();
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3174
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3175 octave_idx_type b_nr = transb ? b.cols () : b.rows ();
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3176 octave_idx_type b_nc = transb ? b.rows () : b.cols ();
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3177
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3178 if (a_nc != b_nr)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3179 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
3180 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3181 {
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3182 if (a_nr == 0 || a_nc == 0 || b_nc == 0)
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
3183 retval = FloatMatrix (a_nr, b_nc, 0.0);
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3184 else if (a.data () == b.data () && a_nr == b_nc && transa != transb)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3185 {
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3186 octave_idx_type lda = a.rows ();
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3187
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
3188 retval = FloatMatrix (a_nr, b_nc);
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3189 float *c = retval.fortran_vec ();
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3190
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3191 const char *ctransa = get_blas_trans_arg (transa);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3192 F77_XFCN (ssyrk, SSYRK, (F77_CONST_CHAR_ARG2 ("U", 1),
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3193 F77_CONST_CHAR_ARG2 (ctransa, 1),
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3194 a_nr, a_nc, 1.0,
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3195 a.data (), lda, 0.0, c, a_nr
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3196 F77_CHAR_ARG_LEN (1)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3197 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3198 for (int j = 0; j < a_nr; j++)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3199 for (int i = 0; i < j; i++)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3200 retval.xelem (j,i) = retval.xelem (i,j);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3201
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3202 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3203 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3204 {
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3205 octave_idx_type lda = a.rows (), tda = a.cols ();
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3206 octave_idx_type ldb = b.rows (), tdb = b.cols ();
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3207
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
3208 retval = FloatMatrix (a_nr, b_nc);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3209 float *c = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3210
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3211 if (b_nc == 1)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3212 {
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3213 if (a_nr == 1)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3214 F77_FUNC (xsdot, XSDOT) (a_nc, a.data (), 1, b.data (), 1, *c);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3215 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3216 {
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3217 const char *ctransa = get_blas_trans_arg (transa);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3218 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (ctransa, 1),
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3219 lda, tda, 1.0, a.data (), lda,
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3220 b.data (), 1, 0.0, c, 1
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3221 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3222 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3223 }
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3224 else if (a_nr == 1)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3225 {
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3226 const char *crevtransb = get_blas_trans_arg (! transb);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3227 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (crevtransb, 1),
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3228 ldb, tdb, 1.0, b.data (), ldb,
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3229 a.data (), 1, 0.0, c, 1
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3230 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3231 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3232 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3233 {
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3234 const char *ctransa = get_blas_trans_arg (transa);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3235 const char *ctransb = get_blas_trans_arg (transb);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3236 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 (ctransa, 1),
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3237 F77_CONST_CHAR_ARG2 (ctransb, 1),
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3238 a_nr, b_nc, a_nc, 1.0, a.data (),
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3239 lda, b.data (), ldb, 0.0, c, a_nr
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3240 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3241 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3242 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3243 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3244 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3245
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3246 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3247 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3248
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3249 FloatMatrix
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3250 operator * (const FloatMatrix& a, const FloatMatrix& b)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3251 {
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3252 return xgemm (false, a, false, b);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3253 }
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3254
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3255 // 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
3256 // functions below.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3257
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3258 #define EMPTY_RETURN_CHECK(T) \
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3259 if (nr == 0 || nc == 0) \
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3260 return T (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3261
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3262 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3263 min (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3264 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3265 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3266 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3267
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3268 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3269
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3270 FloatMatrix result (nr, nc);
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 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3273 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3274 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3275 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3276 result (i, j) = xmin (d, m (i, j));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3277 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3278
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3279 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3280 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3281
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3282 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3283 min (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3284 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3285 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3286 octave_idx_type nc = m.columns ();
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 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3289
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3290 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3291
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3292 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3293 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3294 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3295 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3296 result (i, j) = xmin (m (i, j), d);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3299 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3300 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3301
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3302 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3303 min (const FloatMatrix& a, const FloatMatrix& b)
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 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3306 octave_idx_type nc = a.columns ();
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 if (nr != b.rows () || nc != b.columns ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3309 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3310 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3311 ("two-arg min expecting args of same size");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3312 return FloatMatrix ();
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3315 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3316
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3317 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3318
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3319 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3320 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3321 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3322 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3323 result (i, j) = xmin (a (i, j), b (i, j));
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3326 return result;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3329 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3330 max (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3331 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3332 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3333 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3334
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3335 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3336
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3337 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3338
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3339 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3340 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3341 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3342 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3343 result (i, j) = xmax (d, m (i, j));
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3346 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3347 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3348
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3349 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3350 max (const FloatMatrix& m, float d)
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 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3353 octave_idx_type nc = m.columns ();
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 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3356
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3357 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3358
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3359 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3360 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3361 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3362 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3363 result (i, j) = xmax (m (i, j), d);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3366 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3367 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3368
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3369 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3370 max (const FloatMatrix& a, const FloatMatrix& b)
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 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3373 octave_idx_type nc = a.columns ();
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 if (nr != b.rows () || nc != b.columns ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3376 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3377 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3378 ("two-arg max expecting args of same size");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3379 return FloatMatrix ();
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3382 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3383
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3384 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3385
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3386 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3387 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3388 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3389 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3390 result (i, j) = xmax (a (i, j), b (i, j));
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3393 return result;
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
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3396 MS_CMP_OPS (FloatMatrix, float)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3397 MS_BOOL_OPS (FloatMatrix, float)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3398
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3399 SM_CMP_OPS (float, FloatMatrix)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3400 SM_BOOL_OPS (float, FloatMatrix)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3401
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3402 MM_CMP_OPS (FloatMatrix, FloatMatrix)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3403 MM_BOOL_OPS (FloatMatrix, FloatMatrix)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3404
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3405 /*
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3406 ;;; Local Variables: ***
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3407 ;;; mode: C++ ***
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3408 ;;; End: ***
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3409 */