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annotate liboctave/fMatrix.cc @ 10687:a8ce6bdecce5

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author Rik <octave@nomad.inbox5.com>
date Tue, 08 Jun 2010 20:22:38 -0700
parents 832732c2eb80
children 8c858a1a2079
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1 // Matrix manipulations.
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2 /*
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3
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4 Copyright (C) 2008, 2009 Jaroslav Hajek
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5 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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6 2003, 2004, 2005, 2006, 2007 John W. Eaton
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7 Copyright (C) 2009 VZLU Prague, a.s.
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8
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9 This file is part of Octave.
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10
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11 Octave is free software; you can redistribute it and/or modify it
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12 under the terms of the GNU General Public License as published by the
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13 Free Software Foundation; either version 3 of the License, or (at your
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14 option) any later version.
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15
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16 Octave is distributed in the hope that it will be useful, but WITHOUT
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17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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19 for more details.
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20
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21 You should have received a copy of the GNU General Public License
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22 along with Octave; see the file COPYING. If not, see
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23 <http://www.gnu.org/licenses/>.
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24
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25 */
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26
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27 #ifdef HAVE_CONFIG_H
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28 #include <config.h>
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29 #endif
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30
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31 #include <cfloat>
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32
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33 #include <iostream>
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34 #include <vector>
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35
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36 #include "Array-util.h"
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37 #include "DET.h"
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38 #include "byte-swap.h"
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39 #include "f77-fcn.h"
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40 #include "fMatrix.h"
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41 #include "floatCHOL.h"
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42 #include "floatSCHUR.h"
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43 #include "floatSVD.h"
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44 #include "functor.h"
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45 #include "lo-error.h"
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46 #include "lo-ieee.h"
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47 #include "lo-mappers.h"
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48 #include "lo-utils.h"
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49 #include "mx-base.h"
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50 #include "mx-fdm-fm.h"
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51 #include "mx-fm-fdm.h"
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52 #include "mx-inlines.cc"
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53 #include "mx-op-defs.h"
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54 #include "oct-cmplx.h"
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55 #include "oct-fftw.h"
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56 #include "oct-locbuf.h"
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57 #include "oct-norm.h"
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58 #include "quit.h"
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59
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60 // Fortran functions we call.
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61
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62 extern "C"
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63 {
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64 F77_RET_T
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65 F77_FUNC (xilaenv, XILAENV) (const octave_idx_type&, F77_CONST_CHAR_ARG_DECL,
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66 F77_CONST_CHAR_ARG_DECL,
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67 const octave_idx_type&, const octave_idx_type&,
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68 const octave_idx_type&, const octave_idx_type&,
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69 octave_idx_type&
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70 F77_CHAR_ARG_LEN_DECL F77_CHAR_ARG_LEN_DECL);
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71
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72 F77_RET_T
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73 F77_FUNC (sgebal, SGEBAL) (F77_CONST_CHAR_ARG_DECL,
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74 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&,
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75 octave_idx_type&, float*, octave_idx_type&
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76 F77_CHAR_ARG_LEN_DECL);
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77
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78 F77_RET_T
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79 F77_FUNC (sgebak, SGEBAK) (F77_CONST_CHAR_ARG_DECL,
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80 F77_CONST_CHAR_ARG_DECL,
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81 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&, float*,
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82 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&
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83 F77_CHAR_ARG_LEN_DECL
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84 F77_CHAR_ARG_LEN_DECL);
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86
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87 F77_RET_T
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88 F77_FUNC (sgemm, SGEMM) (F77_CONST_CHAR_ARG_DECL,
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89 F77_CONST_CHAR_ARG_DECL,
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90 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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91 const float&, const float*, const octave_idx_type&,
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92 const float*, const octave_idx_type&, const float&,
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93 float*, const octave_idx_type&
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94 F77_CHAR_ARG_LEN_DECL
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95 F77_CHAR_ARG_LEN_DECL);
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96
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97 F77_RET_T
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98 F77_FUNC (sgemv, SGEMV) (F77_CONST_CHAR_ARG_DECL,
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99 const octave_idx_type&, const octave_idx_type&, const float&,
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100 const float*, const octave_idx_type&, const float*,
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101 const octave_idx_type&, const float&, float*,
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102 const octave_idx_type&
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103 F77_CHAR_ARG_LEN_DECL);
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104
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105 F77_RET_T
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106 F77_FUNC (xsdot, XSDOT) (const octave_idx_type&, const float*, const octave_idx_type&,
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107 const float*, const octave_idx_type&, float&);
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108
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109 F77_RET_T
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110 F77_FUNC (ssyrk, SSYRK) (F77_CONST_CHAR_ARG_DECL,
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111 F77_CONST_CHAR_ARG_DECL,
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112 const octave_idx_type&, const octave_idx_type&,
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113 const float&, const float*, const octave_idx_type&,
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114 const float&, float*, const octave_idx_type&
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115 F77_CHAR_ARG_LEN_DECL
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116 F77_CHAR_ARG_LEN_DECL);
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117
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118 F77_RET_T
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119 F77_FUNC (sgetrf, SGETRF) (const octave_idx_type&, const octave_idx_type&, float*, const octave_idx_type&,
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120 octave_idx_type*, octave_idx_type&);
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121
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122 F77_RET_T
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123 F77_FUNC (sgetrs, SGETRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, const octave_idx_type&,
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124 const float*, const octave_idx_type&,
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125 const octave_idx_type*, float*, const octave_idx_type&, octave_idx_type&
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126 F77_CHAR_ARG_LEN_DECL);
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127
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128 F77_RET_T
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129 F77_FUNC (sgetri, SGETRI) (const octave_idx_type&, float*, const octave_idx_type&, const octave_idx_type*,
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130 float*, const octave_idx_type&, octave_idx_type&);
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131
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132 F77_RET_T
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133 F77_FUNC (sgecon, SGECON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, float*,
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134 const octave_idx_type&, const float&, float&,
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135 float*, octave_idx_type*, octave_idx_type&
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136 F77_CHAR_ARG_LEN_DECL);
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138 F77_RET_T
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139 F77_FUNC (sgelsy, SGELSY) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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140 float*, const octave_idx_type&, float*,
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141 const octave_idx_type&, octave_idx_type*, float&, octave_idx_type&,
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142 float*, const octave_idx_type&, octave_idx_type&);
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143
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144 F77_RET_T
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145 F77_FUNC (sgelsd, SGELSD) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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146 float*, const octave_idx_type&, float*,
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147 const octave_idx_type&, float*, float&, octave_idx_type&,
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148 float*, const octave_idx_type&, octave_idx_type*,
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149 octave_idx_type&);
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150
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151 F77_RET_T
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152 F77_FUNC (spotrf, SPOTRF) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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153 float *, const octave_idx_type&,
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154 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
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155
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156 F77_RET_T
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157 F77_FUNC (spocon, SPOCON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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158 float*, const octave_idx_type&, const float&,
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159 float&, float*, octave_idx_type*,
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160 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
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161 F77_RET_T
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162 F77_FUNC (spotrs, SPOTRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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163 const octave_idx_type&, const float*,
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164 const octave_idx_type&, float*,
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165 const octave_idx_type&, octave_idx_type&
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166 F77_CHAR_ARG_LEN_DECL);
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167
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168 F77_RET_T
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169 F77_FUNC (strtri, STRTRI) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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170 const octave_idx_type&, const float*,
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171 const octave_idx_type&, octave_idx_type&
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172 F77_CHAR_ARG_LEN_DECL
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173 F77_CHAR_ARG_LEN_DECL);
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174 F77_RET_T
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175 F77_FUNC (strcon, STRCON) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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176 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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177 const float*, const octave_idx_type&, float&,
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178 float*, octave_idx_type*, octave_idx_type&
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179 F77_CHAR_ARG_LEN_DECL
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180 F77_CHAR_ARG_LEN_DECL
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181 F77_CHAR_ARG_LEN_DECL);
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182 F77_RET_T
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183 F77_FUNC (strtrs, STRTRS) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
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184 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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185 const octave_idx_type&, const float*,
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186 const octave_idx_type&, float*,
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187 const octave_idx_type&, octave_idx_type&
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188 F77_CHAR_ARG_LEN_DECL
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189 F77_CHAR_ARG_LEN_DECL
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190 F77_CHAR_ARG_LEN_DECL);
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191
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192 F77_RET_T
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193 F77_FUNC (slartg, SLARTG) (const float&, const float&, float&,
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194 float&, float&);
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195
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196 F77_RET_T
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197 F77_FUNC (strsyl, STRSYL) (F77_CONST_CHAR_ARG_DECL,
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198 F77_CONST_CHAR_ARG_DECL,
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199 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
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200 const float*, const octave_idx_type&, const float*,
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201 const octave_idx_type&, const float*, const octave_idx_type&,
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202 float&, octave_idx_type&
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203 F77_CHAR_ARG_LEN_DECL
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204 F77_CHAR_ARG_LEN_DECL);
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205
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206 F77_RET_T
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207 F77_FUNC (xslange, XSLANGE) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
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208 const octave_idx_type&, const float*,
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209 const octave_idx_type&, float*, float&
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210 F77_CHAR_ARG_LEN_DECL);
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211 }
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212
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213 // Matrix class.
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214
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215 FloatMatrix::FloatMatrix (const FloatRowVector& rv)
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216 : MArray<float> (rv)
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217 {
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218 }
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219
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220 FloatMatrix::FloatMatrix (const FloatColumnVector& cv)
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221 : MArray<float> (cv)
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222 {
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223 }
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224
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225 FloatMatrix::FloatMatrix (const FloatDiagMatrix& a)
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226 : MArray<float> (a.rows (), a.cols (), 0.0)
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227 {
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228 for (octave_idx_type i = 0; i < a.length (); i++)
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229 elem (i, i) = a.elem (i, i);
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230 }
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231
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232 FloatMatrix::FloatMatrix (const PermMatrix& a)
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233 : MArray<float> (a.rows (), a.cols (), 0.0)
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234 {
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235 const Array<octave_idx_type> ia (a.pvec ());
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236 octave_idx_type len = a.rows ();
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237 if (a.is_col_perm ())
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238 for (octave_idx_type i = 0; i < len; i++)
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239 elem (ia(i), i) = 1.0;
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240 else
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241 for (octave_idx_type i = 0; i < len; i++)
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242 elem (i, ia(i)) = 1.0;
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243 }
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244
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245 // FIXME -- could we use a templated mixed-type copy function
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246 // here?
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247
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248 FloatMatrix::FloatMatrix (const boolMatrix& a)
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249 : MArray<float> (a)
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250 {
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251 }
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252
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253 FloatMatrix::FloatMatrix (const charMatrix& a)
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254 : MArray<float> (a.rows (), a.cols ())
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255 {
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256 for (octave_idx_type i = 0; i < a.rows (); i++)
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257 for (octave_idx_type j = 0; j < a.cols (); j++)
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258 elem (i, j) = static_cast<unsigned char> (a.elem (i, j));
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259 }
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260
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261 bool
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262 FloatMatrix::operator == (const FloatMatrix& a) const
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263 {
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264 if (rows () != a.rows () || cols () != a.cols ())
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265 return false;
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266
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267 return mx_inline_equal (length (), data (), a.data ());
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268 }
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269
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270 bool
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271 FloatMatrix::operator != (const FloatMatrix& a) const
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272 {
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273 return !(*this == a);
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274 }
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275
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276 bool
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277 FloatMatrix::is_symmetric (void) const
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278 {
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279 if (is_square () && rows () > 0)
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280 {
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281 for (octave_idx_type i = 0; i < rows (); i++)
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282 for (octave_idx_type j = i+1; j < cols (); j++)
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283 if (elem (i, j) != elem (j, i))
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284 return false;
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285
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286 return true;
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287 }
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288
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289 return false;
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290 }
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291
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292 FloatMatrix&
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293 FloatMatrix::insert (const FloatMatrix& a, octave_idx_type r, octave_idx_type c)
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294 {
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Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
295 Array<float>::insert (a, r, c);
7789
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296 return *this;
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parents:
diff changeset
297 }
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parents:
diff changeset
298
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parents:
diff changeset
299 FloatMatrix&
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parents:
diff changeset
300 FloatMatrix::insert (const FloatRowVector& a, octave_idx_type r, octave_idx_type c)
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parents:
diff changeset
301 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
302 octave_idx_type a_len = a.length ();
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parents:
diff changeset
303
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parents:
diff changeset
304 if (r < 0 || r >= rows () || c < 0 || c + a_len > cols ())
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parents:
diff changeset
305 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
306 (*current_liboctave_error_handler) ("range error for insert");
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parents:
diff changeset
307 return *this;
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parents:
diff changeset
308 }
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parents:
diff changeset
309
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parents:
diff changeset
310 if (a_len > 0)
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parents:
diff changeset
311 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
312 make_unique ();
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parents:
diff changeset
313
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parents:
diff changeset
314 for (octave_idx_type i = 0; i < a_len; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
315 xelem (r, c+i) = a.elem (i);
7789
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316 }
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parents:
diff changeset
317
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parents:
diff changeset
318 return *this;
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parents:
diff changeset
319 }
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parents:
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320
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parents:
diff changeset
321 FloatMatrix&
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parents:
diff changeset
322 FloatMatrix::insert (const FloatColumnVector& a, octave_idx_type r, octave_idx_type c)
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parents:
diff changeset
323 {
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parents:
diff changeset
324 octave_idx_type a_len = a.length ();
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parents:
diff changeset
325
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parents:
diff changeset
326 if (r < 0 || r + a_len > rows () || c < 0 || c >= cols ())
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parents:
diff changeset
327 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
328 (*current_liboctave_error_handler) ("range error for insert");
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parents:
diff changeset
329 return *this;
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parents:
diff changeset
330 }
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parents:
diff changeset
331
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parents:
diff changeset
332 if (a_len > 0)
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parents:
diff changeset
333 {
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parents:
diff changeset
334 make_unique ();
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parents:
diff changeset
335
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parents:
diff changeset
336 for (octave_idx_type i = 0; i < a_len; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
337 xelem (r+i, c) = a.elem (i);
7789
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338 }
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parents:
diff changeset
339
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parents:
diff changeset
340 return *this;
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parents:
diff changeset
341 }
82be108cc558 First attempt at single precision tyeps
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parents:
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342
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parents:
diff changeset
343 FloatMatrix&
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parents:
diff changeset
344 FloatMatrix::insert (const FloatDiagMatrix& a, octave_idx_type r, octave_idx_type c)
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parents:
diff changeset
345 {
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parents:
diff changeset
346 octave_idx_type a_nr = a.rows ();
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parents:
diff changeset
347 octave_idx_type a_nc = a.cols ();
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parents:
diff changeset
348
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parents:
diff changeset
349 if (r < 0 || r + a_nr > rows () || c < 0 || c + a_nc > cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
350 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
351 (*current_liboctave_error_handler) ("range error for insert");
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parents:
diff changeset
352 return *this;
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parents:
diff changeset
353 }
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
354
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David Bateman <dbateman@free.fr>
parents:
diff changeset
355 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1);
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parents:
diff changeset
356
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parents:
diff changeset
357 octave_idx_type a_len = a.length ();
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parents:
diff changeset
358
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
359 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
360 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
361 make_unique ();
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
362
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
363 for (octave_idx_type i = 0; i < a_len; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
364 xelem (r+i, c+i) = a.elem (i, i);
7789
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parents:
diff changeset
365 }
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
366
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
367 return *this;
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
368 }
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
369
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
370 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
371 FloatMatrix::fill (float val)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
372 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
373 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
374 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
375
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
376 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
377 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
378 make_unique ();
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
379
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
380 for (octave_idx_type j = 0; j < nc; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
381 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
382 xelem (i, j) = val;
7789
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parents:
diff changeset
383 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
384
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
385 return *this;
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
386 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
387
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
388 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
389 FloatMatrix::fill (float val, octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
390 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
391 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
392 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
393
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
394 if (r1 < 0 || r2 < 0 || c1 < 0 || c2 < 0
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
395 || r1 >= nr || r2 >= nr || c1 >= nc || c2 >= nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
396 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
397 (*current_liboctave_error_handler) ("range error for fill");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
398 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
399 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
400
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
401 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
402 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
403
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
404 if (r2 >= r1 && c2 >= c1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
405 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
406 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
407
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
408 for (octave_idx_type j = c1; j <= c2; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
409 for (octave_idx_type i = r1; i <= r2; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
410 xelem (i, j) = val;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
411 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
412
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
413 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
414 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
415
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
416 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
417 FloatMatrix::append (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
418 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
419 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
420 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
421 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
422 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
423 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
424 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
425 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
426
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
427 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
428 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
429 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
430 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
431 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
432 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
433
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
434 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
435 FloatMatrix::append (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
436 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
437 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
438 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
439 if (nr != 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
440 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
441 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
442 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
443 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
444
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
445 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
446 FloatMatrix retval (nr, nc + a.length ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
447 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
448 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
449 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
450 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
451
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
452 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
453 FloatMatrix::append (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
454 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
455 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
456 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
457 if (nr != a.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
458 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
459 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
460 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
461 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
462
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
463 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
464 FloatMatrix retval (nr, nc + 1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
465 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
466 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
467 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
468 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
469
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
470 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
471 FloatMatrix::append (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
472 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
473 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
474 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
475 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
476 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
477 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
478 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
479 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
480
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
481 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
482 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
483 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
484 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
485 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
486 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
487
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
488 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
489 FloatMatrix::stack (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
490 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
491 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
492 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
493 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
494 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
495 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
496 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
497 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
498 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
499
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
500 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
501 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
502 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
503 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
504 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
505 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
506
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
507 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
508 FloatMatrix::stack (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
509 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
510 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
511 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
512 if (nc != a.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
513 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
514 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
515 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
516 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
517 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
518
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
519 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
520 FloatMatrix retval (nr + 1, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
521 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
522 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
523 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
524 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
525
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
526 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
527 FloatMatrix::stack (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
528 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
529 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
530 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
531 if (nc != 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
532 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
533 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
534 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
535 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
536 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
537
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
538 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
539 FloatMatrix retval (nr + a.length (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
540 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
541 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
542 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
543 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
544
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
545 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
546 FloatMatrix::stack (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
547 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
548 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
549 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
550 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
551 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
552 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
553 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
554 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
555 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
556
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
557 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
558 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
559 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
560 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
561 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
562 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
563
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
564 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
565 real (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
566 {
10363
a0728e81ed25 improve diag matrix interface & implementation
Jaroslav Hajek <highegg@gmail.com>
parents: 10362
diff changeset
567 return do_mx_unary_op<float, FloatComplex> (a, mx_inline_real);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
568 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
569
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
570 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
571 imag (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
572 {
10363
a0728e81ed25 improve diag matrix interface & implementation
Jaroslav Hajek <highegg@gmail.com>
parents: 10362
diff changeset
573 return do_mx_unary_op<float, FloatComplex> (a, mx_inline_imag);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
574 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
575
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
576 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
577 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
578 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
579 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
580 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
581
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
582 octave_idx_type new_r = r2 - r1 + 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
583 octave_idx_type new_c = c2 - c1 + 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
584
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
585 FloatMatrix result (new_r, new_c);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
586
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
587 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
588 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
589 result.xelem (i, j) = elem (r1+i, c1+j);
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 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
592 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
593
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
594 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
595 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
596 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
597 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
598
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
599 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
600 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
601 result.xelem (i, j) = elem (r1+i, c1+j);
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 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
604 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
605
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
606 // extract row or column i.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
607
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
608 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
609 FloatMatrix::row (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
610 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
611 return index (idx_vector (i), idx_vector::colon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
612 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
613
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
614 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
615 FloatMatrix::column (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
616 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
617 return index (idx_vector::colon, idx_vector (i));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
618 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
619
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
620 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
621 FloatMatrix::inverse (void) const
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 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
624 float rcon;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
625 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
626 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
627 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
628
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
629 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
630 FloatMatrix::inverse (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
631 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
632 float rcon;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
633 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
634 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
635 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
636
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
637 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
638 FloatMatrix::inverse (octave_idx_type& info, float& rcon, int force,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
639 int calc_cond) const
7789
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 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
642 return inverse (mattype, info, rcon, force, calc_cond);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
643 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
646 FloatMatrix::inverse (MatrixType& mattype) const
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 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
649 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
650 return inverse (mattype, info, rcon, 0, 0);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
653 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
654 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
655 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
656 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
657 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
658 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
659
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
660 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
661 FloatMatrix::tinverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
662 int force, int calc_cond) const
7789
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 retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
665
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
666 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
667 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
668
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
669 if (nr != nc || nr == 0 || nc == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
670 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
671 else
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 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
674 char uplo = (typ == MatrixType::Lower ? 'L' : 'U');
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
675 char udiag = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
676 retval = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
677 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
678
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
679 F77_XFCN (strtri, STRTRI, (F77_CONST_CHAR_ARG2 (&uplo, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
680 F77_CONST_CHAR_ARG2 (&udiag, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
681 nr, tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
682 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
683 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
684
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
685 // 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
686 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
687 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
688 info = -1;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
689 else if (calc_cond)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
690 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
691 octave_idx_type dtrcon_info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
692 char job = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
693
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
694 OCTAVE_LOCAL_BUFFER (float, work, 3 * nr);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
695 OCTAVE_LOCAL_BUFFER (octave_idx_type, iwork, nr);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
696
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
697 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
698 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
699 F77_CONST_CHAR_ARG2 (&udiag, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
700 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
701 work, iwork, dtrcon_info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
702 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
703 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
704 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
705
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
706 if (dtrcon_info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
707 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
708 }
7789
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 (info == -1 && ! force)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
711 retval = *this; // Restore matrix contents.
7789
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
715 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
716
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 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
719 FloatMatrix::finverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
720 int force, int calc_cond) const
7789
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 retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
723
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
724 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
725 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
726
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
727 if (nr != nc || nr == 0 || nc == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
728 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
729 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
730 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
731 Array<octave_idx_type> ipvt (nr, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
732 octave_idx_type *pipvt = ipvt.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
733
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
734 retval = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
735 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
736
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
737 Array<float> z(1, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
738 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
739
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
740 // Query the optimum work array size.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
741 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
742 z.fortran_vec (), lwork, info));
7789
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 lwork = static_cast<octave_idx_type> (z(0));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
745 lwork = (lwork < 2 *nc ? 2*nc : lwork);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
746 z.resize (lwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
747 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
748
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
749 info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
750
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
751 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
752 float anorm = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
753 if (calc_cond)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
754 anorm = retval.abs().sum().row(static_cast<octave_idx_type>(0)).max();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
755
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
756 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
757
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
758 // 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
759 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
760 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
761 info = -1;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
762 else if (calc_cond)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
763 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
764 octave_idx_type dgecon_info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
765
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
766 // Now calculate the condition number for non-singular matrix.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
767 char job = '1';
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
768 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
769 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
770 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
771 nc, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
772 rcon, pz, piz, dgecon_info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
773 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
774
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
775 if (dgecon_info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
776 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
777 }
7789
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 (info == -1 && ! force)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
780 retval = *this; // Restore matrix contents.
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
781 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
782 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
783 octave_idx_type dgetri_info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
784
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
785 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
786 pz, lwork, dgetri_info));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
787
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
788 if (dgetri_info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
789 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
790 }
7789
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 (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
793 mattype.mark_as_rectangular();
7789
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
797 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
798
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
799 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
800 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
801 int force, int calc_cond) const
7789
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 int typ = mattype.type (false);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
804 FloatMatrix ret;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
805
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
806 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
807 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
808
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
809 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
810 ret = tinverse (mattype, info, rcon, force, calc_cond);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
811 else
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 (mattype.is_hermitian ())
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
814 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
815 FloatCHOL chol (*this, info, calc_cond);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
816 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
817 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
818 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
819 rcon = chol.rcond ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
820 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
821 rcon = 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
822 ret = chol.inverse ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
823 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
824 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
825 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
826 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
827
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
828 if (!mattype.is_hermitian ())
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
829 ret = finverse(mattype, info, rcon, force, calc_cond);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
830
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
831 if ((mattype.is_hermitian () || calc_cond) && rcon == 0.)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
832 ret = FloatMatrix (rows (), columns (), octave_Float_Inf);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
833 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
834
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
835 return ret;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
836 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
837
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
838 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
839 FloatMatrix::pseudo_inverse (float tol) const
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 FloatSVD result (*this, SVD::economy);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
842
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
843 FloatDiagMatrix S = result.singular_values ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
844 FloatMatrix U = result.left_singular_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
845 FloatMatrix V = result.right_singular_matrix ();
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 FloatColumnVector sigma = S.diag ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
848
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
849 octave_idx_type r = sigma.length () - 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
850 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
851 octave_idx_type nc = cols ();
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 if (tol <= 0.0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
854 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
855 if (nr > nc)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
856 tol = nr * sigma.elem (0) * DBL_EPSILON;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
857 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
858 tol = nc * sigma.elem (0) * DBL_EPSILON;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
859 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
860
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
861 while (r >= 0 && sigma.elem (r) < tol)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
862 r--;
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 if (r < 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
865 return FloatMatrix (nc, nr, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
866 else
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 FloatMatrix Ur = U.extract (0, 0, nr-1, r);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
869 FloatDiagMatrix D = FloatDiagMatrix (sigma.extract (0, r)) . inverse ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
870 FloatMatrix Vr = V.extract (0, 0, nc-1, r);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
871 return Vr * D * Ur.transpose ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
872 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
873 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
874
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
875 #if defined (HAVE_FFTW)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
876
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
877 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
878 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
879 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
880 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
881 size_t nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
882
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
883 FloatComplexMatrix retval (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
884
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
885 size_t npts, nsamples;
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 if (nr == 1 || nc == 1)
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 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
890 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
891 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
892 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
893 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
894 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
895 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
896 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
897
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
898 const float *in (fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
899 FloatComplex *out (retval.fortran_vec ());
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 octave_fftw::fft (in, out, npts, nsamples);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
902
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
903 return retval;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
906 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
907 FloatMatrix::ifourier (void) const
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 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
910 size_t nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
911
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
912 FloatComplexMatrix retval (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
913
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
914 size_t npts, nsamples;
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 if (nr == 1 || nc == 1)
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 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
919 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
920 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
921 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
922 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
923 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
924 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
925 }
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 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
928 FloatComplex *in (tmp.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
929 FloatComplex *out (retval.fortran_vec ());
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 octave_fftw::ifft (in, out, npts, nsamples);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
932
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
933 return retval;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
936 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
937 FloatMatrix::fourier2d (void) const
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 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
940
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
941 const float *in = fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
942 FloatComplexMatrix retval (rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
943 octave_fftw::fftNd (in, retval.fortran_vec (), 2, dv);
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
946 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
947
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
948 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
949 FloatMatrix::ifourier2d (void) const
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 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
952
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
953 FloatComplexMatrix retval (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
954 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
955
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
956 octave_fftw::ifftNd (out, out, 2, dv);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
957
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
958 return retval;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
961 #else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
962
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
963 extern "C"
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
964 {
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
965 // 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
966 // 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
967 // 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
968 // each subroutine.
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
969
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
970 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
971 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
972
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
973 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
974 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
975
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
976 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
977 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
978 }
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
979
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
980 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
981 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
982 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
983 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
984
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
985 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
986 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
987
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
988 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
989
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
990 if (nr == 1 || nc == 1)
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 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
993 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
994 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
995 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
996 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
997 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
998 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
999 }
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 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1002
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1003 Array<FloatComplex> wsave (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1004 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1005
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1006 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1007 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1008
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1009 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1010
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1011 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1012 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1013 octave_quit ();
7789
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 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
1016 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1017
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1018 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1019 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1020
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1021 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1022 FloatMatrix::ifourier (void) const
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 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1025
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1026 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1027 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1028
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1029 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1030
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1031 if (nr == 1 || nc == 1)
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 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1034 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1035 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1036 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1037 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1038 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1039 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1040 }
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 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1043
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1044 Array<FloatComplex> wsave (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1045 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1046
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1047 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1048 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1049
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1050 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1051
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1052 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1053 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1054 octave_quit ();
7789
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 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
1057 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1058
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1059 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
1060 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
1061
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1062 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1063 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1064
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1065 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1066 FloatMatrix::fourier2d (void) const
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 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1069
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1070 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1071 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1072
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1073 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1074
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1075 if (nr == 1 || nc == 1)
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 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1078 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1079 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1080 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1081 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1082 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1083 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1084 }
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 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1087
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1088 Array<FloatComplex> wsave (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1089 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1090
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1091 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1092 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1093
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1094 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1095
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1096 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1097 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1098 octave_quit ();
7789
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 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
1101 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1102
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1103 npts = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1104 nsamples = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1105 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1106
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1107 wsave.resize (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1108 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1109
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1110 Array<FloatComplex> tmp (npts, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1111 FloatComplex *prow = tmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1112
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1113 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1114
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1115 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1116 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1117 octave_quit ();
7789
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 i = 0; i < npts; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1120 prow[i] = tmp_data[i*nr + j];
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1121
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1122 F77_FUNC (cfftf, CFFTF) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1123
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1124 for (octave_idx_type i = 0; i < npts; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1125 tmp_data[i*nr + j] = prow[i];
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1126 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1129 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1130
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1131 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1132 FloatMatrix::ifourier2d (void) const
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 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1135
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1136 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1137 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1138
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1139 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1140
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1141 if (nr == 1 || nc == 1)
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 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1144 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1145 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1146 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1147 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1148 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1149 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1150 }
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 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1153
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1154 Array<FloatComplex> wsave (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1155 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1156
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1157 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1158 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1159
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1160 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1161
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1162 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1163 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1164 octave_quit ();
7789
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 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
1167 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1168
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1169 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
1170 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
1171
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1172 npts = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1173 nsamples = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1174 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1175
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1176 wsave.resize (nn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1177 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1178
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1179 Array<FloatComplex> tmp (npts, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1180 FloatComplex *prow = tmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1181
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1182 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1183
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1184 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1185 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1186 octave_quit ();
7789
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 i = 0; i < npts; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1189 prow[i] = tmp_data[i*nr + j];
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1190
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1191 F77_FUNC (cfftb, CFFTB) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1192
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1193 for (octave_idx_type i = 0; i < npts; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1194 tmp_data[i*nr + j] = prow[i] / static_cast<float> (npts);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1195 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1198 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1199
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1200 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1201
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1202 FloatDET
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1203 FloatMatrix::determinant (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1204 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1205 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1206 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1207 return determinant (info, rcon, 0);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1210 FloatDET
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1211 FloatMatrix::determinant (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1212 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1213 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1214 return determinant (info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1215 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1216
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1217 FloatDET
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1218 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
1219 {
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1220 MatrixType mattype (*this);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1221 return determinant (mattype, info, rcon, calc_cond);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1222 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1223
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1224 FloatDET
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1225 FloatMatrix::determinant (MatrixType& mattype,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1226 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
1227 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1228 FloatDET retval (1.0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1229
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1230 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1231 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1232
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1233 if (nr != nc)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1234 (*current_liboctave_error_handler) ("matrix must be square");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1235 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1236 {
8806
c7864bb74914 avoid some GCC warnings
John W. Eaton <jwe@octave.org>
parents: 8801
diff changeset
1237 volatile int typ = mattype.type ();
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1238
10213
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1239 // Even though the matrix is marked as singular (Rectangular), we may
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1240 // still get a useful number from the LU factorization, because it always
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1241 // completes.
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
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);
10213
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1245 else if (typ == MatrixType::Rectangular)
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1246 typ = MatrixType::Full;
8337
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1247
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1248 if (typ == MatrixType::Lower || typ == MatrixType::Upper)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1249 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1250 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
1251 retval *= elem (i,i);
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 else if (typ == MatrixType::Hermitian)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1254 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1255 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1256 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1257
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1258 info = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1259 float anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1260 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1261
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1262
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1263 char job = 'L';
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1264 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
1265 tmp_data, nr, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1266 F77_CHAR_ARG_LEN (1)));
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 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1269 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1270 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1271 mattype.mark_as_unsymmetric ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1272 typ = MatrixType::Full;
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 else
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1275 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1276 Array<float> z (3 * nc, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1277 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1278 Array<octave_idx_type> iz (nc, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1279 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1280
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1281 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
1282 nr, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1283 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1284 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1285
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1286 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1287 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1288
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1289 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
1290 retval *= atmp (i,i);
8336
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 retval = retval.square ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1293 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1294 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1295 else if (typ != MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1296 (*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
1297
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1298 if (typ == MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1299 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1300 Array<octave_idx_type> ipvt (nr, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1301 octave_idx_type *pipvt = ipvt.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1302
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1303 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1304 float *tmp_data = atmp.fortran_vec ();
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 info = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1307
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1308 // 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
1309 float anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1310 if (calc_cond) anorm = xnorm (*this, 1);
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 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
1313
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1314 // 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
1315 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1316 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1317 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1318 info = -1;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1319 retval = FloatDET ();
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 else
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 if (calc_cond)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1324 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1325 // 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
1326 char job = '1';
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1327 Array<float> z (4 * nc, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1328 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1329 Array<octave_idx_type> iz (nc, 1);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1330 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1331
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1332 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
1333 nc, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1334 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1335 F77_CHAR_ARG_LEN (1)));
8335
64cf956a109c templatize & fix DET
Jaroslav Hajek <highegg@gmail.com>
parents: 8211
diff changeset
1336 }
8336
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 if (info != 0)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1339 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1340 info = -1;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1341 retval = FloatDET ();
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 else
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 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
1346 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1347 float c = atmp(i,i);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1348 retval *= (ipvt(i) != (i+1)) ? -c : c;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1349 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1350 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1351 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1352 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1353 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1356 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1357
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1358 float
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1359 FloatMatrix::rcond (void) const
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1360 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1361 MatrixType mattype (*this);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1362 return rcond (mattype);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1363 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1364
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1365 float
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1366 FloatMatrix::rcond (MatrixType &mattype) const
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1367 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1368 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1369 octave_idx_type nr = rows ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1370 octave_idx_type nc = cols ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1371
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1372 if (nr != nc)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1373 (*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
1374 else if (nr == 0 || nc == 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1375 rcon = octave_Inf;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1376 else
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 int typ = mattype.type ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1379
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1380 if (typ == MatrixType::Unknown)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1381 typ = mattype.type (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1382
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1383 // 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
1384 if (typ == MatrixType::Upper)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1385 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1386 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1387 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1388 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1389 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1390 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1391
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1392 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1393 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1394 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1395 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1396
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1397 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1398 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1399 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1400 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1401 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1402 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1403 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1404 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1405
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1406 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1407 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1408 }
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1409 else if (typ == MatrixType::Permuted_Upper)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1410 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1411 ("permuted triangular matrix not implemented");
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1412 else if (typ == MatrixType::Lower)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1413 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1414 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1415 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1416 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1417 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1418 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1419
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1420 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1421 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1422 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1423 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1424
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1425 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1426 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1427 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1428 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1429 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1430 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1431 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1432 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1433
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1434 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1435 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1436 }
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1437 else if (typ == MatrixType::Permuted_Lower)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1438 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1439 ("permuted triangular matrix not implemented");
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1440 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1441 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1442 float anorm = -1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1443 FloatMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1444 float *tmp_data = atmp.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1445
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1446 if (typ == MatrixType::Hermitian)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1447 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1448 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1449 char job = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1450 anorm = atmp.abs().sum().
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1451 row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1452
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1453 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1454 tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1455 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1456
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1457 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1458 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1459 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1460 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1461 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1462 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1463 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1464 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1465 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1466 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1467 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1468 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1469
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1470 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1471 nr, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1472 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1473 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1474
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1475 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1476 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1477 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1478 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1479
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1480 if (typ == MatrixType::Full)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1481 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1482 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1483
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1484 Array<octave_idx_type> ipvt (nr, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1485 octave_idx_type *pipvt = ipvt.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1486
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1487 if(anorm < 0.)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1488 anorm = atmp.abs().sum().
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1489 row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1490
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1491 Array<float> z (4 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1492 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1493 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1494 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1495
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1496 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1497
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1498 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1499 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1500 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1501 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1502 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1503 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1504 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1505 char job = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1506 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1507 nc, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1508 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1509 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1510
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1511 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1512 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1513 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1514 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1515 }
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1516 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1517 rcon = 0.0;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1518 }
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 return rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1521 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1522
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1523 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1524 FloatMatrix::utsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1525 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1526 bool calc_cond, blas_trans_type transt) const
7789
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 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1529
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1530 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1531 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1532
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1533 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1534 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1535 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1536 else if (nr == 0 || nc == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1537 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1538 else
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 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1541
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1542 if (typ == MatrixType::Permuted_Upper ||
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1543 typ == MatrixType::Upper)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1544 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1545 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1546 rcon = 1.;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1547 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1548
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1549 if (typ == MatrixType::Permuted_Upper)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1550 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1551 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1552 ("permuted triangular matrix not implemented");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1553 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1554 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1555 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1556 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1557
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1558 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1559 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1560 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1561 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1562 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1563
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1564 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1565 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1566 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1567 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1568
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1569 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1570 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1571 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1572 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1573 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1574 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1575 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1576 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1577
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1578 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1579 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1580
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1581 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1582
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1583 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1584 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1585 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1586
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1587 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1588 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1589 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1590 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1591 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1592 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1593 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1594 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1595
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1596 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1597 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1598 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1599 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1600
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1601 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1602 char trans = get_blas_char (transt);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1603 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1604
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1605 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1606 F77_CONST_CHAR_ARG2 (&trans, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1607 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1608 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1609 result, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1610 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1611 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1612 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1613 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1614 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1615 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1616 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1617 (*current_liboctave_error_handler) ("incorrect matrix type");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1618 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1619
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1620 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1621 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1622
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1623 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1624 FloatMatrix::ltsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1625 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1626 bool calc_cond, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1627 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1628 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1629
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1630 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1631 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1632
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1633 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1634 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1635 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1636 else if (nr == 0 || nc == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1637 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1638 else
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 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1641
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1642 if (typ == MatrixType::Permuted_Lower ||
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1643 typ == MatrixType::Lower)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1644 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1645 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1646 rcon = 1.;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1647 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1648
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1649 if (typ == MatrixType::Permuted_Lower)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1650 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1651 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1652 ("permuted triangular matrix not implemented");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1653 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1654 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1655 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1656 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1657
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1658 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1659 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1660 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1661 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1662 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1663
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1664 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1665 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1666 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1667 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1668
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1669 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1670 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1671 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1672 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1673 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1674 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1675 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1676 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1677
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1678 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1679 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1680
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1681 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1682
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1683 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1684 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1685 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1686
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1687 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1688 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1689 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1690 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1691 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1692 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1693 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1694 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1695
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1696 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1697 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1698 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1699 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1700
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1701 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1702 char trans = get_blas_char (transt);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1703 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1704
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1705 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1706 F77_CONST_CHAR_ARG2 (&trans, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1707 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1708 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1709 result, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1710 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1711 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1712 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1713 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1714 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1715 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1716 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1717 (*current_liboctave_error_handler) ("incorrect matrix type");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1718 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1721 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1722
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1723 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1724 FloatMatrix::fsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1725 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1726 bool calc_cond) const
7789
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 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1729
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1730 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1731 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1732
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1733 if (nr != nc || nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1734 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1735 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1736 else if (nr == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1737 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1738 else
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 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1741
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1742 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1743 float anorm = -1.;
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 if (typ == MatrixType::Hermitian)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1746 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1747 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1748 char job = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1749 FloatMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1750 float *tmp_data = atmp.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1751 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1752
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1753 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1754 tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1755 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1756
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1757 // Throw-away extra info LAPACK gives so as to not change output.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1758 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1759 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1760 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1761 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1762
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1763 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1764 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1765 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1766 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1767 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1768 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1769 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1770 Array<float> z (3 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1771 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1772 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1773 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1774
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1775 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1776 nr, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1777 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1778 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1779
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1780 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1781 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1782
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1783 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1784
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1785 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1786 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1787 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1788
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1789 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1790 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1791 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1792 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1793 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1794 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1795 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1796 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1797
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1798 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1799 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1800 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1801 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1802
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1803 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1804
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1805 F77_XFCN (spotrs, SPOTRS, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1806 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1807 result, b.rows(), info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1808 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1809 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1810 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1811 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1812 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1813 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1814 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1815 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1816 }
7789
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 if (typ == MatrixType::Full)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1819 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1820 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1821
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1822 Array<octave_idx_type> ipvt (nr, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1823 octave_idx_type *pipvt = ipvt.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1824
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1825 FloatMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1826 float *tmp_data = atmp.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1827 if(anorm < 0.)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1828 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1829
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1830 Array<float> z (4 * nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1831 float *pz = z.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1832 Array<octave_idx_type> iz (nc, 1);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1833 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1834
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1835 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1836
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1837 // Throw-away extra info LAPACK gives so as to not change output.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1838 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1839 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1840 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1841 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1842
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1843 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1844 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1845 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1846 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1847 ("matrix singular to machine precision");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1848
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1849 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1850 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1851 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1852 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1853 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1854 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1855 // Now calculate the condition number for
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1856 // non-singular matrix.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1857 char job = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1858 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1859 nc, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1860 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1861 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1862
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1863 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1864 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1865
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1866 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1867
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1868 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1869 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1870 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1871
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1872 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1873 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1874 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1875 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1876 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1877 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1878 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1879 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1880
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1881 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1882 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1883 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1884 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1885
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1886 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1887
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1888 char job = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1889 F77_XFCN (sgetrs, SGETRS, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1890 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1891 pipvt, result, b.rows(), info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1892 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1893 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1894 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1895 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1896 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1897 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1898 else if (typ != MatrixType::Hermitian)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1899 (*current_liboctave_error_handler) ("incorrect matrix type");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1900 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1903 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1904
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1905 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1906 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1907 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1908 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1909 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1910 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1911 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1912
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1913 FloatMatrix
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1914 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, octave_idx_type& info) const
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1915 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1916 float rcon;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1917 return solve (typ, b, info, rcon, 0);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1918 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1919
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1920 FloatMatrix
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1921 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1922 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1923 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1924 return solve (typ, b, info, rcon, 0);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1927 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1928 FloatMatrix::solve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1929 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1930 bool singular_fallback, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1931 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1932 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1933 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1934
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1935 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1936 typ = mattype.type (*this);
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 // Only calculate the condition number for LU/Cholesky
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1939 if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper)
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
1940 retval = utsolve (mattype, b, info, rcon, sing_handler, false, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1941 else if (typ == MatrixType::Lower || typ == MatrixType::Permuted_Lower)
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
1942 retval = ltsolve (mattype, b, info, rcon, sing_handler, false, transt);
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
1943 else if (transt == blas_trans || transt == blas_conj_trans)
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
1944 return transpose ().solve (mattype, b, info, rcon, sing_handler, singular_fallback);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1945 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
1946 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
1947 else if (typ != MatrixType::Rectangular)
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 (*current_liboctave_error_handler) ("unknown matrix type");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1950 return FloatMatrix ();
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1953 // 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
1954 if (singular_fallback && mattype.type () == MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1955 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1956 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1957 retval = lssolve (b, info, rank, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1960 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1961 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1962
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1963 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1964 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1965 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1966 octave_idx_type info;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1967 float rcon;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1968 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1969 }
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1972 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b,
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1973 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1974 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1975 float rcon;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1976 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1977 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1978
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1979 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1980 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1981 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1982 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1983 return solve (typ, b, info, rcon, 0);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1984 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1985
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1986 static FloatMatrix
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1987 stack_complex_matrix (const FloatComplexMatrix& cm)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1988 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1989 octave_idx_type m = cm.rows (), n = cm.cols (), nel = m*n;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1990 FloatMatrix retval (m, 2*n);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1991 const FloatComplex *cmd = cm.data ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1992 float *rd = retval.fortran_vec ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1993 for (octave_idx_type i = 0; i < nel; i++)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1994 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1995 rd[i] = std::real (cmd[i]);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1996 rd[nel+i] = std::imag (cmd[i]);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1997 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1998 return retval;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1999 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2000
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2001 static FloatComplexMatrix
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2002 unstack_complex_matrix (const FloatMatrix& sm)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2003 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2004 octave_idx_type m = sm.rows (), n = sm.cols () / 2, nel = m*n;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2005 FloatComplexMatrix retval (m, n);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2006 const float *smd = sm.data ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2007 FloatComplex *rd = retval.fortran_vec ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2008 for (octave_idx_type i = 0; i < nel; i++)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2009 rd[i] = FloatComplex (smd[i], smd[nel+i]);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2010 return retval;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2011 }
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 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2014 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2015 float& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2016 bool singular_fallback, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2017 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2018 FloatMatrix tmp = stack_complex_matrix (b);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2019 tmp = solve (typ, tmp, info, rcon, sing_handler, singular_fallback, transt);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2020 return unstack_complex_matrix (tmp);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2021 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2022
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2023 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2024 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2025 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2026 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2027 return solve (typ, b, info, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2030 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2031 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2032 octave_idx_type& info) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2033 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2034 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2035 return solve (typ, b, info, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2038 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2039 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2040 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2041 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2042 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2043 }
82be108cc558 First attempt at single precision tyeps
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 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2046 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2047 float& rcon, solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2048 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2049 FloatMatrix tmp (b);
10352
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
2050 tmp = solve (typ, tmp, info, rcon, sing_handler, true, transt);
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
2051 return tmp.column(static_cast<octave_idx_type> (0));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
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 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2055 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2056 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2057 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2058 return tmp.solve (typ, b);
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 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2062 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2063 octave_idx_type& info) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2064 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2065 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2066 return tmp.solve (typ, b, info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2067 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2068
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2069 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2070 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2071 octave_idx_type& info, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2072 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2073 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2074 return tmp.solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2075 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2076
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2077 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2078 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2079 octave_idx_type& info, float& rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2080 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2081 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2082 FloatComplexMatrix tmp (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2083 return tmp.solve(typ, b, info, rcon, sing_handler, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2084 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2085
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2086 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2087 FloatMatrix::solve (const FloatMatrix& b) const
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 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2090 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2091 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2092 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2093
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2094 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2095 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
2096 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2097 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2098 return solve (b, info, rcon, 0);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2101 FloatMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2102 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
2103 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2104 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2105 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2106
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2107 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2108 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2109 float& rcon, solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2110 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2111 MatrixType mattype (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2112 return solve (mattype, b, info, rcon, sing_handler, true, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2113 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2114
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2115 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2116 FloatMatrix::solve (const FloatComplexMatrix& b) const
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 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2119 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2120 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2121
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2122 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2123 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
2124 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2125 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2126 return tmp.solve (b, info);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2129 FloatComplexMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2130 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
2131 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2132 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2133 return tmp.solve (b, info, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2136 FloatComplexMatrix
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2137 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2138 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2139 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2140 FloatComplexMatrix tmp (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2141 return tmp.solve (b, info, rcon, sing_handler, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2142 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2143
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2144 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2145 FloatMatrix::solve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2146 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2147 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2148 return solve (b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2149 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2150
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2151 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2152 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
2153 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2154 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2155 return solve (b, info, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2158 FloatColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2159 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
2160 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2161 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2162 }
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 FloatColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2165 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2166 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2167 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2168 MatrixType mattype (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2169 return solve (mattype, b, info, rcon, sing_handler, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2170 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2171
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2172 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2173 FloatMatrix::solve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2174 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2175 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2176 return tmp.solve (b);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2179 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2180 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
2181 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2182 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2183 return tmp.solve (b, info);
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 FloatComplexColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2187 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
2188 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2189 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2190 return tmp.solve (b, info, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2193 FloatComplexColumnVector
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2194 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, float& rcon,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2195 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2196 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2197 FloatComplexMatrix tmp (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2198 return tmp.solve (b, info, rcon, sing_handler, transt);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2199 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2200
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2201 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2202 FloatMatrix::lssolve (const FloatMatrix& b) const
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 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2205 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2206 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2207 return lssolve (b, info, rank, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2210 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2211 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
2212 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2213 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2214 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2215 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2216 }
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2219 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2220 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2221 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2222 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2223 return lssolve (b, info, rank, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2226 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2227 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2228 octave_idx_type& rank, float &rcon) const
7789
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 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2231
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2232 octave_idx_type nrhs = b.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2233
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2234 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2235 octave_idx_type n = cols ();
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 if (m != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2238 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2239 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2240 else if (m == 0 || n == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2241 retval = FloatMatrix (n, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2242 else
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 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2245 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
2246 rcon = -1.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2247 if (m != n)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2248 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2249 retval = FloatMatrix (maxmn, nrhs, 0.0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2250
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2251 for (octave_idx_type j = 0; j < nrhs; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2252 for (octave_idx_type i = 0; i < m; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2253 retval.elem (i, j) = b.elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2254 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2255 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2256 retval = b;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2257
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2258 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2259 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2260
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2261 float *pretval = retval.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2262 Array<float> s (minmn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2263 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2264
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2265 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2266 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2267
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2268 Array<float> work (1, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2269
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2270 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2271 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2272 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2273 0, 0, 0, 0, smlsiz
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2274 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2275 F77_CHAR_ARG_LEN (1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2276
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2277 octave_idx_type mnthr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2278 F77_FUNC (xilaenv, XILAENV) (6, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2279 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2280 m, n, nrhs, -1, mnthr
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2281 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2282 F77_CHAR_ARG_LEN (1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2283
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2284 // 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
2285 // 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
2286 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2287 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2288 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2289 float tmp = log2 (dminmn / dsmlsizp1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2290 #else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2291 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2292 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2293 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
2294 if (nlvl < 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2295 nlvl = 0;
7789
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 liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2298 if (liwork < 1)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2299 liwork = 1;
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2300 Array<octave_idx_type> iwork (liwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2301 octave_idx_type* piwork = iwork.fortran_vec ();
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 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2304 ps, rcon, rank, work.fortran_vec (),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2305 lwork, piwork, info));
7789
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 // 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
2308 // 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
2309 // should provide sufficient workspace for DGELSD to operate
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2310 // efficiently.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2311 if (n >= mnthr)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2312 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2313 const octave_idx_type wlalsd
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2314 = 9*m + 2*m*smlsiz + 8*m*nlvl + m*nrhs + (smlsiz+1)*(smlsiz+1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2315
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2316 octave_idx_type addend = m;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2317
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2318 if (2*m-4 > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2319 addend = 2*m-4;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2320
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2321 if (nrhs > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2322 addend = nrhs;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2323
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2324 if (n-3*m > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2325 addend = n-3*m;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2326
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2327 if (wlalsd > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2328 addend = wlalsd;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2329
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2330 const octave_idx_type lworkaround = 4*m + m*m + addend;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2331
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2332 if (work(0) < lworkaround)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2333 work(0) = lworkaround;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2334 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2335 else if (m >= n)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2336 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2337 octave_idx_type lworkaround
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2338 = 12*n + 2*n*smlsiz + 8*n*nlvl + n*nrhs + (smlsiz+1)*(smlsiz+1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2339
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2340 if (work(0) < lworkaround)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2341 work(0) = lworkaround;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2342 }
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 lwork = static_cast<octave_idx_type> (work(0));
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2345 work.resize (lwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2346
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2347 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2348 maxmn, ps, rcon, rank,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2349 work.fortran_vec (), lwork,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2350 piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2351
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2352 if (s.elem (0) == 0.0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2353 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2354 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2355 rcon = s.elem (minmn - 1) / s.elem (0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2356
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2357 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2358 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2359
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2360 return retval;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2363 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2364 FloatMatrix::lssolve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2365 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2366 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2367 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2368 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2369 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2370 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2371 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2372
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2373 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2374 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
2375 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2376 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2377 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2378 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2379 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2380 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2381
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2382 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2383 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2384 octave_idx_type& rank) const
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 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2387 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2388 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2389 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2390
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2391 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2392 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2393 octave_idx_type& rank, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2394 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2395 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2396 return tmp.lssolve (b, info, rank, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2399 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2400 FloatMatrix::lssolve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2401 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2402 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2403 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2404 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2405 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2406 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2407
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2408 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2409 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
2410 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2411 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2412 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2413 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2414 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2415
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2416 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2417 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2418 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2419 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2420 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2421 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2422 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2423
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2424 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2425 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2426 octave_idx_type& rank, float &rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2427 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2428 FloatColumnVector retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2429
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2430 octave_idx_type nrhs = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2431
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2432 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2433 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2434
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2435 if (m != b.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2436 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2437 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2438 else if (m == 0 || n == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2439 retval = FloatColumnVector (n, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2440 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2441 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2442 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2443 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
2444 rcon = -1.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2445
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2446 if (m != n)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2447 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2448 retval = FloatColumnVector (maxmn, 0.0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2449
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2450 for (octave_idx_type i = 0; i < m; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2451 retval.elem (i) = b.elem (i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2452 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2453 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2454 retval = b;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2455
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2456 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2457 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2458
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2459 float *pretval = retval.fortran_vec ();
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2460 Array<float> s (minmn, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2461 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2462
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2463 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2464 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2465
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2466 Array<float> work (1, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2467
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2468 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2469 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2470 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2471 0, 0, 0, 0, smlsiz
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2472 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2473 F77_CHAR_ARG_LEN (1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2474
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2475 // 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
2476 // 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
2477 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2478 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2479 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2480 float tmp = log2 (dminmn / dsmlsizp1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2481 #else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2482 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2483 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2484 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
2485 if (nlvl < 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2486 nlvl = 0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2487
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2488 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2489 if (liwork < 1)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2490 liwork = 1;
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2491 Array<octave_idx_type> iwork (liwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2492 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2493
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2494 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2495 ps, rcon, rank, work.fortran_vec (),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2496 lwork, piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2497
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2498 lwork = static_cast<octave_idx_type> (work(0));
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2499 work.resize (lwork, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2500
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2501 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2502 maxmn, ps, rcon, rank,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2503 work.fortran_vec (), lwork,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2504 piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2505
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2506 if (rank < minmn)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2507 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2508 if (s.elem (0) == 0.0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2509 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2510 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2511 rcon = s.elem (minmn - 1) / s.elem (0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2512 }
7789
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 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2515 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2516
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2517 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2518 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2519
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2520 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2521 FloatMatrix::lssolve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2522 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2523 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2524 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2525 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2526 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2527 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2528 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2529
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2530 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2531 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
2532 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2533 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2534 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2535 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2536 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2537 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2538
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2539 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2540 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2541 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2542 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2543 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2544 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2545 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2546 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2547
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2548 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2549 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2550 octave_idx_type& rank, float &rcon) const
7789
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 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2553 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2554 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2555
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2556 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2557 FloatMatrix::operator += (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2558 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2559 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2560 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2561
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2562 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2563 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2564
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2565 if (nr != a_nr || nc != a_nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2566 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2567 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2568 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2569 }
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 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
2572 elem (i, i) += a.elem (i, i);
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 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2575 }
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&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2578 FloatMatrix::operator -= (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2579 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2580 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2581 octave_idx_type nc = cols ();
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_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2584 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2585
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2586 if (nr != a_nr || nc != a_nc)
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 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2589 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2590 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2591
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2592 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
2593 elem (i, i) -= a.elem (i, i);
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 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2596 }
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 // unary operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2599
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2600 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2601 FloatMatrix::operator ! (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2602 {
10362
b47ab50a6aa8 simplify appliers in mx-inlines.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
2603 return do_mx_unary_op<bool, float> (*this, mx_inline_not);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2604 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2605
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2606 // column vector by row vector -> matrix operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2607
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2608 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2609 operator * (const FloatColumnVector& v, const FloatRowVector& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2610 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2611 FloatMatrix retval;
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 octave_idx_type len = v.length ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2614
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2615 if (len != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2616 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2617 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2618
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
2619 retval = FloatMatrix (len, a_len);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2620 float *c = retval.fortran_vec ();
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2621
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2622 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 ("N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2623 F77_CONST_CHAR_ARG2 ("N", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2624 len, a_len, 1, 1.0, v.data (), len,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2625 a.data (), 1, 0.0, c, len
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2626 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2627 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2628 }
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 return retval;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2633 // other operations.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2634
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2635 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2636 FloatMatrix::any_element_is_negative (bool neg_zero) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2637 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2638 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2639
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2640 if (neg_zero)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2641 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2642 for (octave_idx_type i = 0; i < nel; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2643 if (lo_ieee_signbit (elem (i)))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2644 return true;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2645 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2646 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2647 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2648 for (octave_idx_type i = 0; i < nel; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2649 if (elem (i) < 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2650 return true;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2651 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2652
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2653 return false;
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
7922
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2656 bool
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2657 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
2658 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2659 octave_idx_type nel = nelem ();
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2660
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2661 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
2662 {
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2663 float val = elem (i);
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2664 if (xisnan (val))
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2665 return true;
7922
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2666 }
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2667
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2668 return false;
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7804
diff changeset
2669 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2670
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2671 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2672 FloatMatrix::any_element_is_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2673 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2674 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2675
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2676 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2677 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2678 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2679 if (xisinf (val) || xisnan (val))
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2680 return true;
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2683 return false;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2686 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2687 FloatMatrix::any_element_not_one_or_zero (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2688 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2689 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2690
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2691 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2692 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2693 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2694 if (val != 0 && val != 1)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2695 return true;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2696 }
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 return false;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2699 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2700
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2701 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2702 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
2703 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2704 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2705
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2706 for (octave_idx_type i = 0; i < nel; i++)
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 float val = elem (i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2709 if (xisnan (val) || D_NINT (val) == val)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2710 continue;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2711 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2712 return false;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2713 }
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 return true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2716 }
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 // 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
2719 // 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
2720
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2721 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2722 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
2723 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2724 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2725
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2726 if (nel > 0)
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 max_val = elem (0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2729 min_val = elem (0);
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2732 return false;
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 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2735 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2736 float val = elem (i);
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 if (val > max_val)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2739 max_val = val;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2740
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2741 if (val < min_val)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2742 min_val = val;
7789
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 (D_NINT (val) != val)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2745 return false;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2746 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2747
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2748 return true;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2749 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2750
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2751 bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2752 FloatMatrix::too_large_for_float (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2753 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2754 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2755
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2756 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2757 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2758 float val = elem (i);
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 if (! (xisnan (val) || xisinf (val))
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2761 && fabs (val) > FLT_MAX)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2762 return true;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2763 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2764
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2765 return false;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2768 // 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
2769 // in a base class?
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2770
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2771 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2772 FloatMatrix::all (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2773 {
10362
b47ab50a6aa8 simplify appliers in mx-inlines.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
2774 return do_mx_red_op<bool, float> (*this, dim, mx_inline_all);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2775 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2776
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2777 boolMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2778 FloatMatrix::any (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2779 {
10362
b47ab50a6aa8 simplify appliers in mx-inlines.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
2780 return do_mx_red_op<bool, float> (*this, dim, mx_inline_any);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2781 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2782
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2783 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2784 FloatMatrix::cumprod (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2785 {
10362
b47ab50a6aa8 simplify appliers in mx-inlines.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
2786 return do_mx_cum_op<float, float> (*this, dim, mx_inline_cumprod);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2787 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2788
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2789 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2790 FloatMatrix::cumsum (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2791 {
10362
b47ab50a6aa8 simplify appliers in mx-inlines.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
2792 return do_mx_cum_op<float, float> (*this, dim, mx_inline_cumsum);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2793 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2794
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2795 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2796 FloatMatrix::prod (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2797 {
10362
b47ab50a6aa8 simplify appliers in mx-inlines.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
2798 return do_mx_red_op<float, float> (*this, dim, mx_inline_prod);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2799 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2800
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2801 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2802 FloatMatrix::sum (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2803 {
10362
b47ab50a6aa8 simplify appliers in mx-inlines.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
2804 return do_mx_red_op<float, float> (*this, dim, mx_inline_sum);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2805 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2806
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2807 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2808 FloatMatrix::sumsq (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2809 {
10362
b47ab50a6aa8 simplify appliers in mx-inlines.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
2810 return do_mx_red_op<float, float> (*this, dim, mx_inline_sumsq);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2811 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2814 FloatMatrix::abs (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2815 {
10363
a0728e81ed25 improve diag matrix interface & implementation
Jaroslav Hajek <highegg@gmail.com>
parents: 10362
diff changeset
2816 return do_mx_unary_map<float, float, std::abs> (*this);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2817 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2818
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2819 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2820 FloatMatrix::diag (octave_idx_type k) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2821 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2822 return MArray<float>::diag (k);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2823 }
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 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2826 FloatMatrix::row_min (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2827 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2828 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2829 return row_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2830 }
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 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2833 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
2834 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2835 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2836
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2837 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2838 octave_idx_type nc = cols ();
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 (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2841 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2842 result.resize (nr);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2843 idx_arg.resize (nr, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2844
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2845 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2846 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2847 octave_idx_type idx_j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2848
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2849 float tmp_min = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2850
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2851 for (idx_j = 0; idx_j < nc; idx_j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2852 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2853 tmp_min = elem (i, idx_j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2854
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2855 if (! xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2856 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2857 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2858
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2859 for (octave_idx_type j = idx_j+1; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2860 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2861 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2862
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2863 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2864 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2865 else if (tmp < tmp_min)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2866 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2867 idx_j = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2868 tmp_min = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2869 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2870 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2871
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2872 result.elem (i) = tmp_min;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2873 idx_arg.elem (i) = xisnan (tmp_min) ? 0 : idx_j;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2874 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2875 }
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 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2878 }
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 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2881 FloatMatrix::row_max (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2882 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2883 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2884 return row_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2885 }
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 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2888 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
2889 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2890 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2891
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2892 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2893 octave_idx_type nc = cols ();
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 (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2896 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2897 result.resize (nr);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2898 idx_arg.resize (nr, 1);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2899
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2900 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2901 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2902 octave_idx_type idx_j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2903
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2904 float tmp_max = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2905
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2906 for (idx_j = 0; idx_j < nc; idx_j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2907 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2908 tmp_max = elem (i, idx_j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2909
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2910 if (! xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2911 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2912 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2913
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2914 for (octave_idx_type j = idx_j+1; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2915 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2916 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2917
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2918 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2919 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2920 else if (tmp > tmp_max)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2921 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2922 idx_j = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2923 tmp_max = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2924 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2925 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2926
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2927 result.elem (i) = tmp_max;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2928 idx_arg.elem (i) = xisnan (tmp_max) ? 0 : idx_j;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2929 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2930 }
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 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2933 }
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 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2936 FloatMatrix::column_min (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2937 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2938 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2939 return column_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2940 }
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 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2943 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
2944 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2945 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2946
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2947 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2948 octave_idx_type nc = cols ();
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 (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2951 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2952 result.resize (nc);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2953 idx_arg.resize (1, nc);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2954
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2955 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2956 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2957 octave_idx_type idx_i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2958
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2959 float tmp_min = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2960
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2961 for (idx_i = 0; idx_i < nr; idx_i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2962 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2963 tmp_min = elem (idx_i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2964
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2965 if (! xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2966 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2967 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2968
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2969 for (octave_idx_type i = idx_i+1; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2970 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2971 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2972
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2973 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2974 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2975 else if (tmp < tmp_min)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2976 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2977 idx_i = i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2978 tmp_min = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2979 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2980 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2981
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2982 result.elem (j) = tmp_min;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2983 idx_arg.elem (j) = xisnan (tmp_min) ? 0 : idx_i;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2984 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2985 }
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 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2988 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2989
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2990 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2991 FloatMatrix::column_max (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2992 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2993 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2994 return column_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2995 }
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 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2998 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
2999 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3000 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3001
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3002 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3003 octave_idx_type nc = cols ();
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 (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3006 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3007 result.resize (nc);
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
3008 idx_arg.resize (1, nc);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3009
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3010 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3011 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3012 octave_idx_type idx_i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3013
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3014 float tmp_max = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3015
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3016 for (idx_i = 0; idx_i < nr; idx_i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3017 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3018 tmp_max = elem (idx_i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3019
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3020 if (! xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3021 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3022 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3023
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3024 for (octave_idx_type i = idx_i+1; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3025 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3026 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3027
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3028 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3029 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3030 else if (tmp > tmp_max)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3031 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3032 idx_i = i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3033 tmp_max = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3034 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3035 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3036
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3037 result.elem (j) = tmp_max;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3038 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_i;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3039 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3040 }
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 result;
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::ostream&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3046 operator << (std::ostream& os, const 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 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
3049 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3050 for (octave_idx_type j = 0; j < a.cols (); j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3051 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3052 os << " ";
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3053 octave_write_float (os, a.elem (i, j));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3054 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3055 os << "\n";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3056 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3057 return os;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3058 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3059
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3060 std::istream&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3061 operator >> (std::istream& is, FloatMatrix& a)
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 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3064 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3065
8999
dc07bc4157b8 allow empty matrices in stream input operators
Jaroslav Hajek <highegg@gmail.com>
parents: 8956
diff changeset
3066 if (nr > 0 && nc > 0)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3067 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3068 float tmp;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3069 for (octave_idx_type i = 0; i < nr; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3070 for (octave_idx_type j = 0; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3071 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3072 tmp = octave_read_value<float> (is);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3073 if (is)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3074 a.elem (i, j) = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3075 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3076 goto done;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3077 }
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3080 done:
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3081
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3082 return is;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3085 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3086 Givens (float x, float y)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3087 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3088 float cc, s, temp_r;
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 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
3091
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3092 FloatMatrix g (2, 2);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3093
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3094 g.elem (0, 0) = cc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3095 g.elem (1, 1) = cc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3096 g.elem (0, 1) = s;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3097 g.elem (1, 0) = -s;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3098
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3099 return g;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3100 }
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3103 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
3104 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3105 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3106
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3107 // 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
3108 // size.
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 // Compute Schur decompositions.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3111
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3112 FloatSCHUR as (a, "U");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3113 FloatSCHUR bs (b, "U");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3114
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3115 // Transform c to new coordinates.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3116
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3117 FloatMatrix ua = as.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3118 FloatMatrix sch_a = as.schur_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3119
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3120 FloatMatrix ub = bs.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3121 FloatMatrix sch_b = bs.schur_matrix ();
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 FloatMatrix cx = ua.transpose () * c * ub;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3124
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3125 // Solve the sylvester equation, back-transform, and return the
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3126 // solution.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3127
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3128 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3129 octave_idx_type b_nr = b.rows ();
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 float scale;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3132 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3133
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3134 float *pa = sch_a.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3135 float *pb = sch_b.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3136 float *px = cx.fortran_vec ();
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 F77_XFCN (strsyl, STRSYL, (F77_CONST_CHAR_ARG2 ("N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3139 F77_CONST_CHAR_ARG2 ("N", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3140 1, a_nr, b_nr, pa, a_nr, pb,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3141 b_nr, px, a_nr, scale, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3142 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3143 F77_CHAR_ARG_LEN (1)));
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 // FIXME -- check info?
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3147
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3148 retval = -ua*cx*ub.transpose ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3149
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3150 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3151 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3152
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3153 // matrix by matrix -> matrix operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3154
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3155 /* 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
3156 %!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
3157 %!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
3158 %!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
3159 */
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3160
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3161 /* Test some simple identities
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3162 %!shared M, cv, rv
9527
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3163 %! M = single(randn(10,10));
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3164 %! cv = single(randn(10,1));
6a9fd5f653c9 make single prec. matrix mutliply tests really single
Jaroslav Hajek <highegg@gmail.com>
parents: 9523
diff changeset
3165 %! rv = single(randn(1,10));
9528
ec066ba012c8 more fixes & tests for matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9527
diff changeset
3166 %!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
3167 %!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
3168 %!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
3169 %!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
3170 %!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
3171 */
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3172
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3173 static const char *
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3174 get_blas_trans_arg (bool trans)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3175 {
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3176 static char blas_notrans = 'N', blas_trans = 'T';
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3177 return (trans) ? &blas_trans : &blas_notrans;
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3178 }
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3179
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3180 // the general GEMM operation
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3181
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3182 FloatMatrix
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3183 xgemm (const FloatMatrix& a, const FloatMatrix& b,
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3184 blas_trans_type transa, blas_trans_type transb)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3185 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3186 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3187
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3188 bool tra = transa != blas_no_trans, trb = transb != blas_no_trans;
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3189
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3190 octave_idx_type a_nr = tra ? a.cols () : a.rows ();
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3191 octave_idx_type a_nc = tra ? a.rows () : a.cols ();
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3192
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3193 octave_idx_type b_nr = trb ? b.cols () : b.rows ();
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3194 octave_idx_type b_nc = trb ? b.rows () : b.cols ();
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3195
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3196 if (a_nc != b_nr)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3197 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
3198 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3199 {
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3200 if (a_nr == 0 || a_nc == 0 || b_nc == 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3201 retval = FloatMatrix (a_nr, b_nc, 0.0);
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3202 else if (a.data () == b.data () && a_nr == b_nc && tra != trb)
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3203 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3204 octave_idx_type lda = a.rows ();
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3205
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
3206 retval = FloatMatrix (a_nr, b_nc);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3207 float *c = retval.fortran_vec ();
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3208
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3209 const char *ctra = get_blas_trans_arg (tra);
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3210 F77_XFCN (ssyrk, SSYRK, (F77_CONST_CHAR_ARG2 ("U", 1),
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3211 F77_CONST_CHAR_ARG2 (ctra, 1),
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3212 a_nr, a_nc, 1.0,
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3213 a.data (), lda, 0.0, c, a_nr
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3214 F77_CHAR_ARG_LEN (1)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3215 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3216 for (int j = 0; j < a_nr; j++)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3217 for (int i = 0; i < j; i++)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3218 retval.xelem (j,i) = retval.xelem (i,j);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3219
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3220 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3221 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3222 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3223 octave_idx_type lda = a.rows (), tda = a.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3224 octave_idx_type ldb = b.rows (), tdb = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3225
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3226 retval = FloatMatrix (a_nr, b_nc);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3227 float *c = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3228
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3229 if (b_nc == 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3230 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3231 if (a_nr == 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3232 F77_FUNC (xsdot, XSDOT) (a_nc, a.data (), 1, b.data (), 1, *c);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3233 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3234 {
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3235 const char *ctra = get_blas_trans_arg (tra);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3236 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (ctra, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3237 lda, tda, 1.0, a.data (), lda,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3238 b.data (), 1, 0.0, c, 1
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3239 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3240 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3241 }
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3242 else if (a_nr == 1)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3243 {
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3244 const char *crevtrb = get_blas_trans_arg (! trb);
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3245 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (crevtrb, 1),
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3246 ldb, tdb, 1.0, b.data (), ldb,
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3247 a.data (), 1, 0.0, c, 1
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3248 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3249 }
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3250 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3251 {
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3252 const char *ctra = get_blas_trans_arg (tra);
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3253 const char *ctrb = get_blas_trans_arg (trb);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3254 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 (ctra, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3255 F77_CONST_CHAR_ARG2 (ctrb, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3256 a_nr, b_nc, a_nc, 1.0, a.data (),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3257 lda, b.data (), ldb, 0.0, c, a_nr
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3258 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3259 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3260 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3261 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3262 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3263
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3264 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3265 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3266
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3267 FloatMatrix
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3268 operator * (const FloatMatrix& a, const FloatMatrix& b)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3269 {
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3270 return xgemm (a, b);
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3271 }
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3272
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3273 // 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
3274 // functions below.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3275
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3276 #define EMPTY_RETURN_CHECK(T) \
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3277 if (nr == 0 || nc == 0) \
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3278 return T (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3279
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3280 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3281 min (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3282 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3283 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3284 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3285
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3286 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3287
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3288 FloatMatrix result (nr, nc);
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 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3291 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3292 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3293 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3294 result (i, j) = xmin (d, m (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3295 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3296
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3297 return result;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3300 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3301 min (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3302 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3303 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3304 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3305
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3306 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3307
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3308 FloatMatrix result (nr, nc);
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 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3311 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3312 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3313 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3314 result (i, j) = xmin (m (i, j), d);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3315 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3316
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3317 return result;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3320 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3321 min (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3322 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3323 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3324 octave_idx_type nc = a.columns ();
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 if (nr != b.rows () || nc != b.columns ())
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 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3329 ("two-arg min expecting args of same size");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3330 return FloatMatrix ();
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3333 EMPTY_RETURN_CHECK (FloatMatrix);
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 FloatMatrix result (nr, nc);
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 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3338 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3339 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3340 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3341 result (i, j) = xmin (a (i, j), b (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3342 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3343
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3344 return result;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3347 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3348 max (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3349 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3350 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3351 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3352
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3353 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3354
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3355 FloatMatrix result (nr, nc);
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 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3358 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3359 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3360 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3361 result (i, j) = xmax (d, m (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3362 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3363
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3364 return result;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3367 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3368 max (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3369 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3370 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3371 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3372
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3373 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3374
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3375 FloatMatrix result (nr, nc);
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 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3378 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3379 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3380 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3381 result (i, j) = xmax (m (i, j), d);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3382 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3383
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3384 return result;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3387 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3388 max (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3389 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3390 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3391 octave_idx_type nc = a.columns ();
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 if (nr != b.rows () || nc != b.columns ())
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 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3396 ("two-arg max expecting args of same size");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3397 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3398 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3399
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3400 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3401
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3402 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3403
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3404 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3405 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3406 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3407 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3408 result (i, j) = xmax (a (i, j), b (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3409 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3410
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3411 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3412 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3413
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3414 FloatMatrix linspace (const FloatColumnVector& x1,
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3415 const FloatColumnVector& x2,
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3416 octave_idx_type n)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3417
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3418 {
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3419 if (n < 1) n = 1;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3420
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3421 octave_idx_type m = x1.length ();
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3422
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3423 if (x2.length () != m)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3424 (*current_liboctave_error_handler) ("linspace: vectors must be of equal length");
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3425
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3426 NoAlias<FloatMatrix> retval;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3427
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3428 retval.clear (m, n);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3429 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3430 retval(i, 0) = x1(i);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3431
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3432 // The last column is not needed while using delta.
9658
3429c956de6f extend linspace & fix up liboctave rewrite
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
3433 float *delta = &retval(0, n-1);
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3434 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3435 delta[i] = (x2(i) - x1(i)) / (n - 1);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3436
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3437 for (octave_idx_type j = 1; j < n-1; j++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3438 for (octave_idx_type i = 0; i < m; i++)
9658
3429c956de6f extend linspace & fix up liboctave rewrite
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
3439 retval(i, j) = x1(i) + j*delta[i];
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3440
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3441 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3442 retval(i, n-1) = x2(i);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3443
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3444 return retval;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3445 }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3446
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3447 MS_CMP_OPS (FloatMatrix, float)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3448 MS_BOOL_OPS (FloatMatrix, float)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3449
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3450 SM_CMP_OPS (float, FloatMatrix)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3451 SM_BOOL_OPS (float, FloatMatrix)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3452
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3453 MM_CMP_OPS (FloatMatrix, FloatMatrix)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3454 MM_BOOL_OPS (FloatMatrix, FloatMatrix)