annotate liboctave/array/fMatrix.cc @ 19511:3746b92739f7

Replace some duplicated code and count on methods implemented on base classes. * liboctave/array/CMatrix.cc, liboctave/array/CMatrix.h, liboctave/array/dMatrix.cc, liboctave/array/dMatrix.h, liboctave/array/fCMatrix.cc, liboctave/array/fCMatrix.h, liboctave/array/fMatrix.cc, liboctave/array/fMatrix.h: remove a lot of duplicate code from Matrix type classes now that these classes inherit from their NDArrays counterpart. These mostly include operator ! and =, any_element_is_nan, any_element_is_inf_or_nan, all_elements_are_real, all_integers, too_large_for_float, all, any, cumprod, cumsum, prod, sum, sumsq, and abs. In some cases these need to still appear on the Matrix definition to avoid slicing.
author Carnë Draug <carandraug@octave.org>
date Fri, 07 Nov 2014 10:41:18 +0000
parents d0c73e23a505
children 385499581a5e
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1 // Matrix manipulations.
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2 /*
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3
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4 Copyright (C) 1994-2013 John W. Eaton
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5 Copyright (C) 2008-2009 Jaroslav Hajek
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6 Copyright (C) 2009 VZLU Prague, a.s.
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7
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8 This file is part of Octave.
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9
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10 Octave is free software; you can redistribute it and/or modify it
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11 under the terms of the GNU General Public License as published by the
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12 Free Software Foundation; either version 3 of the License, or (at your
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13 option) any later version.
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14
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15 Octave is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with Octave; see the file COPYING. If not, see
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22 <http://www.gnu.org/licenses/>.
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23
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24 */
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25
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26 #ifdef HAVE_CONFIG_H
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27 #include <config.h>
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28 #endif
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29
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30 #include <cfloat>
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31
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32 #include <iostream>
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33 #include <vector>
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34
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35 #include "fNDArray.h"
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36 #include "Array-util.h"
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37 #include "boolMatrix.h"
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38 #include "chMatrix.h"
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39 #include "fMatrix.h"
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40 #include "fDiagMatrix.h"
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41 #include "fCMatrix.h"
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42 #include "fColVector.h"
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43 #include "fRowVector.h"
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44 #include "fCColVector.h"
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45 #include "PermMatrix.h"
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46 #include "DET.h"
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47 #include "byte-swap.h"
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48 #include "f77-fcn.h"
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49 #include "fMatrix.h"
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50 #include "floatCHOL.h"
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51 #include "floatSCHUR.h"
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52 #include "floatSVD.h"
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53 #include "functor.h"
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54 #include "lo-error.h"
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55 #include "lo-ieee.h"
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56 #include "lo-mappers.h"
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57 #include "lo-utils.h"
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58 #include "mx-fdm-fm.h"
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59 #include "mx-fm-fdm.h"
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60 #include "mx-inlines.cc"
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61 #include "mx-op-defs.h"
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62 #include "oct-cmplx.h"
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63 #include "oct-fftw.h"
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64 #include "oct-locbuf.h"
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65 #include "oct-norm.h"
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66 #include "quit.h"
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67
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68 // Fortran functions we call.
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69
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70 extern "C"
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71 {
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72 F77_RET_T
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73 F77_FUNC (xilaenv, XILAENV) (const octave_idx_type&,
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74 F77_CONST_CHAR_ARG_DECL,
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75 F77_CONST_CHAR_ARG_DECL,
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76 const octave_idx_type&, const octave_idx_type&,
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77 const octave_idx_type&, const octave_idx_type&,
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78 octave_idx_type&
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79 F77_CHAR_ARG_LEN_DECL
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80 F77_CHAR_ARG_LEN_DECL);
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81
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82 F77_RET_T
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83 F77_FUNC (sgebal, SGEBAL) (F77_CONST_CHAR_ARG_DECL,
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84 const octave_idx_type&, float*,
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85 const octave_idx_type&, octave_idx_type&,
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86 octave_idx_type&, float*, octave_idx_type&
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87 F77_CHAR_ARG_LEN_DECL);
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88
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89 F77_RET_T
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90 F77_FUNC (sgebak, SGEBAK) (F77_CONST_CHAR_ARG_DECL,
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91 F77_CONST_CHAR_ARG_DECL,
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92 const octave_idx_type&, const octave_idx_type&,
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93 const octave_idx_type&, float*,
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94 const octave_idx_type&, float*,
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95 const octave_idx_type&, octave_idx_type&
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96 F77_CHAR_ARG_LEN_DECL
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97 F77_CHAR_ARG_LEN_DECL);
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98
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99
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100 F77_RET_T
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101 F77_FUNC (sgemm, SGEMM) (F77_CONST_CHAR_ARG_DECL,
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102 F77_CONST_CHAR_ARG_DECL,
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103 const octave_idx_type&, const octave_idx_type&,
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104 const octave_idx_type&, const float&, const float*,
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105 const octave_idx_type&, const float*,
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106 const octave_idx_type&, const float&, float*,
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107 const octave_idx_type&
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108 F77_CHAR_ARG_LEN_DECL
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109 F77_CHAR_ARG_LEN_DECL);
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110
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111 F77_RET_T
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112 F77_FUNC (sgemv, SGEMV) (F77_CONST_CHAR_ARG_DECL,
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113 const octave_idx_type&, const octave_idx_type&,
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114 const float&, const float*,
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115 const octave_idx_type&, const float*,
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116 const octave_idx_type&, const float&, float*,
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117 const octave_idx_type&
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118 F77_CHAR_ARG_LEN_DECL);
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119
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120 F77_RET_T
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121 F77_FUNC (xsdot, XSDOT) (const octave_idx_type&, const float*,
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122 const octave_idx_type&, const float*,
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123 const octave_idx_type&, float&);
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124
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125 F77_RET_T
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126 F77_FUNC (ssyrk, SSYRK) (F77_CONST_CHAR_ARG_DECL,
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127 F77_CONST_CHAR_ARG_DECL,
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128 const octave_idx_type&, const octave_idx_type&,
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129 const float&, const float*, const octave_idx_type&,
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130 const float&, float*, const octave_idx_type&
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131 F77_CHAR_ARG_LEN_DECL
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132 F77_CHAR_ARG_LEN_DECL);
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133
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134 F77_RET_T
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135 F77_FUNC (sgetrf, SGETRF) (const octave_idx_type&,
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136 const octave_idx_type&, float*,
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137 const octave_idx_type&,
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138 octave_idx_type*, octave_idx_type&);
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139
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140 F77_RET_T
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141 F77_FUNC (sgetrs, SGETRS) (F77_CONST_CHAR_ARG_DECL,
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142 const octave_idx_type&, const octave_idx_type&,
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143 const float*, const octave_idx_type&,
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144 const octave_idx_type*, float*,
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145 const octave_idx_type&, octave_idx_type&
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146 F77_CHAR_ARG_LEN_DECL);
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147
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148 F77_RET_T
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149 F77_FUNC (sgetri, SGETRI) (const octave_idx_type&, float*,
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150 const octave_idx_type&, const octave_idx_type*,
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151 float*, const octave_idx_type&, octave_idx_type&);
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152
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153 F77_RET_T
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154 F77_FUNC (sgecon, SGECON) (F77_CONST_CHAR_ARG_DECL,
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155 const octave_idx_type&, float*,
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156 const octave_idx_type&, const float&, float&,
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157 float*, octave_idx_type*, octave_idx_type&
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158 F77_CHAR_ARG_LEN_DECL);
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159
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160 F77_RET_T
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161 F77_FUNC (sgelsy, SGELSY) (const octave_idx_type&, const octave_idx_type&,
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162 const octave_idx_type&, float*,
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163 const octave_idx_type&, float*,
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164 const octave_idx_type&, octave_idx_type*,
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165 float&, octave_idx_type&, float*,
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166 const octave_idx_type&, octave_idx_type&);
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167
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168 F77_RET_T
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169 F77_FUNC (sgelsd, SGELSD) (const octave_idx_type&, const octave_idx_type&,
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170 const octave_idx_type&, float*,
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171 const octave_idx_type&, float*,
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172 const octave_idx_type&, float*, float&,
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173 octave_idx_type&, float*,
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174 const octave_idx_type&, octave_idx_type*,
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175 octave_idx_type&);
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176
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177 F77_RET_T
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178 F77_FUNC (spotrf, SPOTRF) (F77_CONST_CHAR_ARG_DECL,
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179 const octave_idx_type&, float *,
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180 const octave_idx_type&, octave_idx_type&
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181 F77_CHAR_ARG_LEN_DECL);
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182
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183 F77_RET_T
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184 F77_FUNC (spocon, SPOCON) (F77_CONST_CHAR_ARG_DECL,
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185 const octave_idx_type&, float*,
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186 const octave_idx_type&, const float&,
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187 float&, float*, octave_idx_type*,
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188 octave_idx_type&
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189 F77_CHAR_ARG_LEN_DECL);
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190 F77_RET_T
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191 F77_FUNC (spotrs, SPOTRS) (F77_CONST_CHAR_ARG_DECL,
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192 const octave_idx_type&, const octave_idx_type&,
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193 const float*, const octave_idx_type&, float*,
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194 const octave_idx_type&, octave_idx_type&
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195 F77_CHAR_ARG_LEN_DECL);
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196
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197 F77_RET_T
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198 F77_FUNC (strtri, STRTRI) (F77_CONST_CHAR_ARG_DECL,
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199 F77_CONST_CHAR_ARG_DECL,
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200 const octave_idx_type&, const float*,
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201 const octave_idx_type&, octave_idx_type&
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202 F77_CHAR_ARG_LEN_DECL
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203 F77_CHAR_ARG_LEN_DECL);
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204 F77_RET_T
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205 F77_FUNC (strcon, STRCON) (F77_CONST_CHAR_ARG_DECL,
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206 F77_CONST_CHAR_ARG_DECL,
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207 F77_CONST_CHAR_ARG_DECL,
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208 const octave_idx_type&, const float*,
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209 const octave_idx_type&, float&,
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210 float*, octave_idx_type*, octave_idx_type&
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211 F77_CHAR_ARG_LEN_DECL
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212 F77_CHAR_ARG_LEN_DECL
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213 F77_CHAR_ARG_LEN_DECL);
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214 F77_RET_T
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215 F77_FUNC (strtrs, STRTRS) (F77_CONST_CHAR_ARG_DECL,
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216 F77_CONST_CHAR_ARG_DECL,
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217 F77_CONST_CHAR_ARG_DECL,
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218 const octave_idx_type&,
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219 const octave_idx_type&, const float*,
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220 const octave_idx_type&, float*,
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221 const octave_idx_type&, octave_idx_type&
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222 F77_CHAR_ARG_LEN_DECL
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223 F77_CHAR_ARG_LEN_DECL
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224 F77_CHAR_ARG_LEN_DECL);
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225
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226 F77_RET_T
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227 F77_FUNC (slartg, SLARTG) (const float&, const float&, float&,
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228 float&, float&);
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229
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230 F77_RET_T
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231 F77_FUNC (strsyl, STRSYL) (F77_CONST_CHAR_ARG_DECL,
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232 F77_CONST_CHAR_ARG_DECL,
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233 const octave_idx_type&, const octave_idx_type&,
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234 const octave_idx_type&, const float*,
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235 const octave_idx_type&, const float*,
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236 const octave_idx_type&, const float*,
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237 const octave_idx_type&, float&, octave_idx_type&
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238 F77_CHAR_ARG_LEN_DECL
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239 F77_CHAR_ARG_LEN_DECL);
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240
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241 F77_RET_T
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242 F77_FUNC (xslange, XSLANGE) (F77_CONST_CHAR_ARG_DECL,
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243 const octave_idx_type&,
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244 const octave_idx_type&, const float*,
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245 const octave_idx_type&, float*, float&
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246 F77_CHAR_ARG_LEN_DECL);
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247 }
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248
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249 // Matrix class.
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250
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251 FloatMatrix::FloatMatrix (const FloatRowVector& rv)
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252 : FloatNDArray (rv)
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253 {
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254 }
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255
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256 FloatMatrix::FloatMatrix (const FloatColumnVector& cv)
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257 : FloatNDArray (cv)
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258 {
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259 }
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260
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261 FloatMatrix::FloatMatrix (const FloatDiagMatrix& a)
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262 : FloatNDArray (a.dims (), 0.0)
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263 {
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264 for (octave_idx_type i = 0; i < a.length (); i++)
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265 elem (i, i) = a.elem (i, i);
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266 }
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267
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268 FloatMatrix::FloatMatrix (const PermMatrix& a)
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269 : FloatNDArray (a.dims (), 0.0)
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270 {
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271 const Array<octave_idx_type> ia (a.col_perm_vec ());
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272 octave_idx_type len = a.rows ();
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273 for (octave_idx_type i = 0; i < len; i++)
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274 elem (ia(i), i) = 1.0;
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275 }
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276
17769
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277 // FIXME: could we use a templated mixed-type copy function here?
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278
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279 FloatMatrix::FloatMatrix (const boolMatrix& a)
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280 : FloatNDArray (a)
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281 {
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282 }
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283
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284 FloatMatrix::FloatMatrix (const charMatrix& a)
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285 : FloatNDArray (a.dims ())
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286 {
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287 for (octave_idx_type i = 0; i < a.rows (); i++)
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288 for (octave_idx_type j = 0; j < a.cols (); j++)
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289 elem (i, j) = static_cast<unsigned char> (a.elem (i, j));
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290 }
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291
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parents:
diff changeset
292 bool
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parents:
diff changeset
293 FloatMatrix::operator == (const FloatMatrix& a) const
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parents:
diff changeset
294 {
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parents:
diff changeset
295 if (rows () != a.rows () || cols () != a.cols ())
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
296 return false;
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parents:
diff changeset
297
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
298 return mx_inline_equal (length (), data (), a.data ());
7789
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299 }
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parents:
diff changeset
300
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parents:
diff changeset
301 bool
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parents:
diff changeset
302 FloatMatrix::operator != (const FloatMatrix& a) const
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parents:
diff changeset
303 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
304 return !(*this == a);
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parents:
diff changeset
305 }
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parents:
diff changeset
306
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parents:
diff changeset
307 bool
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David Bateman <dbateman@free.fr>
parents:
diff changeset
308 FloatMatrix::is_symmetric (void) const
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parents:
diff changeset
309 {
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David Bateman <dbateman@free.fr>
parents:
diff changeset
310 if (is_square () && rows () > 0)
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parents:
diff changeset
311 {
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David Bateman <dbateman@free.fr>
parents:
diff changeset
312 for (octave_idx_type i = 0; i < rows (); i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
313 for (octave_idx_type j = i+1; j < cols (); j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
314 if (elem (i, j) != elem (j, i))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
315 return false;
7789
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diff changeset
316
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
317 return true;
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parents:
diff changeset
318 }
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parents:
diff changeset
319
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parents:
diff changeset
320 return false;
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parents:
diff changeset
321 }
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parents:
diff changeset
322
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parents:
diff changeset
323 FloatMatrix&
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
324 FloatMatrix::insert (const FloatMatrix& a,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
325 octave_idx_type r, octave_idx_type c)
7789
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parents:
diff changeset
326 {
19511
3746b92739f7 Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents: 19510
diff changeset
327 FloatNDArray::insert (a, r, c);
7789
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328 return *this;
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parents:
diff changeset
329 }
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parents:
diff changeset
330
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
331 FloatMatrix&
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
332 FloatMatrix::insert (const FloatRowVector& a,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
333 octave_idx_type r, octave_idx_type c)
7789
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parents:
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334 {
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parents:
diff changeset
335 octave_idx_type a_len = a.length ();
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parents:
diff changeset
336
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parents:
diff changeset
337 if (r < 0 || r >= rows () || c < 0 || c + a_len > cols ())
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parents:
diff changeset
338 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
339 (*current_liboctave_error_handler) ("range error for insert");
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parents:
diff changeset
340 return *this;
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
341 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
342
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
343 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
344 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
345 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
346
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
347 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
348 xelem (r, c+i) = a.elem (i);
7789
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349 }
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parents:
diff changeset
350
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
351 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
352 }
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
353
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
354 FloatMatrix&
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
355 FloatMatrix::insert (const FloatColumnVector& a,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
356 octave_idx_type r, octave_idx_type c)
7789
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parents:
diff changeset
357 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
358 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
359
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
360 if (r < 0 || r + a_len > rows () || c < 0 || c >= cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
361 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
362 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
363 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
364 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
365
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
366 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
367 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
368 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
369
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
370 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
371 xelem (r+i, c) = a.elem (i);
7789
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parents:
diff changeset
372 }
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
373
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
374 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
375 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
376
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
377 FloatMatrix&
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
378 FloatMatrix::insert (const FloatDiagMatrix& a,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
379 octave_idx_type r, octave_idx_type c)
7789
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parents:
diff changeset
380 {
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
381 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
382 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
383
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
384 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
385 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
386 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
387 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
388 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
389
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
390 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
391
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
392 octave_idx_type a_len = a.length ();
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 (a_len > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
395 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
396 make_unique ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
397
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
398 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
399 xelem (r+i, c+i) = a.elem (i, i);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
402 return *this;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
405 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
406 FloatMatrix::fill (float val)
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 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
409 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
410
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
411 if (nr > 0 && nc > 0)
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 make_unique ();
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 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
416 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
417 xelem (i, j) = val;
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
420 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
421 }
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 FloatMatrix&
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
424 FloatMatrix::fill (float val, octave_idx_type r1, octave_idx_type c1,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
425 octave_idx_type r2, octave_idx_type c2)
7789
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 nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
428 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
429
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
430 if (r1 < 0 || r2 < 0 || c1 < 0 || c2 < 0
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
431 || r1 >= nr || r2 >= nr || c1 >= nc || c2 >= nc)
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 (*current_liboctave_error_handler) ("range error for fill");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
434 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
435 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
436
17663
7975d75f933c Use std::swap in liboctave instead of temporary variable.
Rik <rik@octave.org>
parents: 16300
diff changeset
437 if (r1 > r2) { std::swap (r1, r2); }
7975d75f933c Use std::swap in liboctave instead of temporary variable.
Rik <rik@octave.org>
parents: 16300
diff changeset
438 if (c1 > c2) { std::swap (c1, c2); }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
439
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
440 if (r2 >= r1 && c2 >= c1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
441 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
442 make_unique ();
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 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
445 for (octave_idx_type i = r1; i <= r2; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
446 xelem (i, j) = val;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
447 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
448
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
449 return *this;
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 FloatMatrix& 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.rows ())
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 + a.cols ());
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 FloatRowVector& 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 != 1)
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 FloatMatrix ();
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.length ());
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::append (const FloatColumnVector& 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 (nr != a.length ())
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) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
496 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
497 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
498
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
499 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
500 FloatMatrix retval (nr, nc + 1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
501 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
502 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
503 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
504 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
507 FloatMatrix::append (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
508 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
509 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
510 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
511 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
512 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
513 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
514 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
515 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
516
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
517 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
518 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
519 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
520 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
521 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
522 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
523
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
524 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
525 FloatMatrix::stack (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
526 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
527 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
528 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
529 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
530 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
531 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
532 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
533 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
534 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
535
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
536 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
537 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
538 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
539 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
540 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
541 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
542
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
543 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
544 FloatMatrix::stack (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
545 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
546 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
547 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
548 if (nc != a.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
549 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
550 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
551 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
552 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
553 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
554
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
555 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
556 FloatMatrix retval (nr + 1, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
557 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
558 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
559 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
560 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
561
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
562 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
563 FloatMatrix::stack (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
564 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
565 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
566 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
567 if (nc != 1)
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 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
570 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
571 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
572 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
573
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
574 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
575 FloatMatrix retval (nr + a.length (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
576 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
577 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
578 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
579 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
580
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
581 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
582 FloatMatrix::stack (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
583 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
584 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
585 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
586 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
587 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
588 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
589 ("column dimension mismatch for stack");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
590 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
591 }
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 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
594 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
595 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
596 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
597 return retval;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
600 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
601 real (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
602 {
10363
a0728e81ed25 improve diag matrix interface & implementation
Jaroslav Hajek <highegg@gmail.com>
parents: 10362
diff changeset
603 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
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
607 imag (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
608 {
10363
a0728e81ed25 improve diag matrix interface & implementation
Jaroslav Hajek <highegg@gmail.com>
parents: 10362
diff changeset
609 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
610 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
611
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
612 FloatMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
613 FloatMatrix::extract (octave_idx_type r1, octave_idx_type c1,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
614 octave_idx_type r2, octave_idx_type c2) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
615 {
17663
7975d75f933c Use std::swap in liboctave instead of temporary variable.
Rik <rik@octave.org>
parents: 16300
diff changeset
616 if (r1 > r2) { std::swap (r1, r2); }
7975d75f933c Use std::swap in liboctave instead of temporary variable.
Rik <rik@octave.org>
parents: 16300
diff changeset
617 if (c1 > c2) { std::swap (c1, c2); }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
618
10805
8c858a1a2079 simplify Matrix::extract
Jaroslav Hajek <highegg@gmail.com>
parents: 10630
diff changeset
619 return index (idx_vector (r1, r2+1), idx_vector (c1, c2+1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
620 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
621
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
622 FloatMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
623 FloatMatrix::extract_n (octave_idx_type r1, octave_idx_type c1,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
624 octave_idx_type nr, octave_idx_type nc) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
625 {
10806
7c542263a92a omissions from last two patches
Jaroslav Hajek <highegg@gmail.com>
parents: 10805
diff changeset
626 return index (idx_vector (r1, r1 + nr), idx_vector (c1, c1 + nc));
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 // extract row or column i.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
630
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
631 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
632 FloatMatrix::row (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
633 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
634 return index (idx_vector (i), idx_vector::colon);
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 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
638 FloatMatrix::column (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
639 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
640 return index (idx_vector::colon, idx_vector (i));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
641 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
642
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
643 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
644 FloatMatrix::inverse (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
645 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
646 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
647 float rcon;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
648 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
649 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
650 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
653 FloatMatrix::inverse (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
654 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
655 float rcon;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
656 MatrixType mattype (*this);
7797
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::inverse (octave_idx_type& info, float& rcon, int force,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
662 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 MatrixType mattype (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
665 return inverse (mattype, info, rcon, force, calc_cond);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
666 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
667
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
668 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
669 FloatMatrix::inverse (MatrixType& mattype) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
670 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
671 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
672 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
673 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
674 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
675
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
676 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
677 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
678 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
679 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
680 return inverse (mattype, info, rcon, 0, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
681 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
682
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
683 FloatMatrix
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
684 FloatMatrix::tinverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
685 int force, int calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
686 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
687 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
688
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
689 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
690 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
691
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
692 if (nr != nc || nr == 0 || nc == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
693 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
694 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
695 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
696 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
697 char uplo = (typ == MatrixType::Lower ? 'L' : 'U');
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
698 char udiag = 'N';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
699 retval = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
700 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
701
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
702 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
703 F77_CONST_CHAR_ARG2 (&udiag, 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
704 nr, tmp_data, nr, info
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
705 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
706 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
707
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
708 // 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
709 rcon = 0.0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
710 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
711 info = -1;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
712 else if (calc_cond)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
713 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
714 octave_idx_type dtrcon_info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
715 char job = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
716
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
717 OCTAVE_LOCAL_BUFFER (float, work, 3 * nr);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
718 OCTAVE_LOCAL_BUFFER (octave_idx_type, iwork, nr);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
719
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
720 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
721 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
722 F77_CONST_CHAR_ARG2 (&udiag, 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
723 nr, tmp_data, nr, rcon,
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
724 work, iwork, dtrcon_info
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
725 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
726 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
727 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
728
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
729 if (dtrcon_info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
730 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
731 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
732
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
733 if (info == -1 && ! force)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
734 retval = *this; // Restore matrix contents.
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
735 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
736
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
737 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
738 }
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
741 FloatMatrix
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
742 FloatMatrix::finverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
743 int force, int calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
744 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
745 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
746
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
747 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
748 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
749
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
750 if (nr != nc || nr == 0 || nc == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
751 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
752 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
753 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
754 Array<octave_idx_type> ipvt (dim_vector (nr, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
755 octave_idx_type *pipvt = ipvt.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
756
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
757 retval = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
758 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
759
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
760 Array<float> z(dim_vector (1, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
761 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
762
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
763 // Query the optimum work array size.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
764 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
765 z.fortran_vec (), lwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
766
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
767 lwork = static_cast<octave_idx_type> (z(0));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
768 lwork = (lwork < 2 *nc ? 2*nc : lwork);
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
769 z.resize (dim_vector (lwork, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
770 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
771
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
772 info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
773
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
774 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
775 float anorm = 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
776 if (calc_cond)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
777 anorm = retval.abs ().sum ().row (static_cast<octave_idx_type>(0))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
778 .max ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
779
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
780 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
781
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
782 // 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
783 rcon = 0.0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
784 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
785 info = -1;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
786 else if (calc_cond)
10314
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 octave_idx_type dgecon_info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
789
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
790 // Now calculate the condition number for non-singular matrix.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
791 char job = '1';
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
792 Array<octave_idx_type> iz (dim_vector (nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
793 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
794 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
795 nc, tmp_data, nr, anorm,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
796 rcon, pz, piz, dgecon_info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
797 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
798
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
799 if (dgecon_info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
800 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
801 }
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 if (info == -1 && ! force)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
804 retval = *this; // Restore matrix contents.
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
805 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
806 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
807 octave_idx_type dgetri_info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
808
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
809 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
810 pz, lwork, dgetri_info));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
811
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
812 if (dgetri_info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
813 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
814 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
815
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
816 if (info != 0)
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14557
diff changeset
817 mattype.mark_as_rectangular ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
818 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
819
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
820 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
821 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
822
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
823 FloatMatrix
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
824 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
825 int force, int calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
826 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
827 int typ = mattype.type (false);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
828 FloatMatrix ret;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
829
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
830 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
831 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
832
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
833 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
834 ret = tinverse (mattype, info, rcon, force, calc_cond);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
835 else
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 if (mattype.is_hermitian ())
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
838 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
839 FloatCHOL chol (*this, info, calc_cond);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
840 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
841 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
842 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
843 rcon = chol.rcond ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
844 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
845 rcon = 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
846 ret = chol.inverse ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
847 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
848 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
849 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
850 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
851
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
852 if (!mattype.is_hermitian ())
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
853 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
854
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
855 if ((mattype.is_hermitian () || calc_cond) && rcon == 0.)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
856 ret = FloatMatrix (rows (), columns (), octave_Float_Inf);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
857 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
858
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
859 return ret;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
862 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
863 FloatMatrix::pseudo_inverse (float tol) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
864 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
865 FloatSVD result (*this, SVD::economy);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
866
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
867 FloatDiagMatrix S = result.singular_values ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
868 FloatMatrix U = result.left_singular_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
869 FloatMatrix V = result.right_singular_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
870
15448
0a0912a9ab6e Replace deprecated DiagArray2<T>::diag calls with DiagArray2<T>::extract_diag
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15383
diff changeset
871 FloatColumnVector sigma = S.extract_diag ();
7789
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 octave_idx_type r = sigma.length () - 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
874 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
875 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
876
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
877 if (tol <= 0.0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
878 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
879 if (nr > nc)
15220
61822c866ba1 use std::numeric_limits<T>::epsilon in C++ code
John W. Eaton <jwe@octave.org>
parents: 15018
diff changeset
880 tol = nr * sigma.elem (0) * std::numeric_limits<double>::epsilon ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
881 else
15220
61822c866ba1 use std::numeric_limits<T>::epsilon in C++ code
John W. Eaton <jwe@octave.org>
parents: 15018
diff changeset
882 tol = nc * sigma.elem (0) * std::numeric_limits<double>::epsilon ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
883 }
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 while (r >= 0 && sigma.elem (r) < tol)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
886 r--;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
887
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
888 if (r < 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
889 return FloatMatrix (nc, nr, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
890 else
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 FloatMatrix Ur = U.extract (0, 0, nr-1, r);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
893 FloatDiagMatrix D = FloatDiagMatrix (sigma.extract (0, r)) . inverse ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
894 FloatMatrix Vr = V.extract (0, 0, nc-1, r);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
895 return Vr * D * Ur.transpose ();
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
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
899 #if defined (HAVE_FFTW)
7789
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 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
902 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
903 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
904 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
905 size_t nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
906
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
907 FloatComplexMatrix retval (nr, nc);
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 npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
910
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
911 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
912 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
913 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
914 nsamples = 1;
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 else
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;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
919 nsamples = nc;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
922 const float *in (fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
923 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
924
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
925 octave_fftw::fft (in, out, npts, nsamples);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
926
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
927 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
928 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
929
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
930 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
931 FloatMatrix::ifourier (void) const
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 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
934 size_t nc = cols ();
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 retval (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
937
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
938 size_t npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
939
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
940 if (nr == 1 || nc == 1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
941 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
942 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
943 nsamples = 1;
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 else
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 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
948 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
949 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
950
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
951 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
952 FloatComplex *in (tmp.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
953 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
954
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
955 octave_fftw::ifft (in, out, npts, nsamples);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
956
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
957 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
958 }
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 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
961 FloatMatrix::fourier2d (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
962 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
963 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
964
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
965 const float *in = fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
966 FloatComplexMatrix retval (rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
967 octave_fftw::fftNd (in, retval.fortran_vec (), 2, dv);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
968
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
969 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
970 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
971
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
972 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
973 FloatMatrix::ifourier2d (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
974 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
975 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
976
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
977 FloatComplexMatrix retval (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
978 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
979
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
980 octave_fftw::ifftNd (out, out, 2, dv);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
981
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
982 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
983 }
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 #else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
986
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
987 extern "C"
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
988 {
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
989 // 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
990 // 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
991 // 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
992 // each subroutine.
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
993
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
994 F77_RET_T
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
995 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
996
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
997 F77_RET_T
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
998 F77_FUNC (cfftf, CFFTF) (const octave_idx_type&, FloatComplex*,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
999 FloatComplex*);
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
1000
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
1001 F77_RET_T
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1002 F77_FUNC (cfftb, CFFTB) (const octave_idx_type&, FloatComplex*,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1003 FloatComplex*);
9523
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
1004 }
0ce82753dd72 more configure changes for libraries
John W. Eaton <jwe@octave.org>
parents: 9469
diff changeset
1005
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1006 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1007 FloatMatrix::fourier (void) const
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 FloatComplexMatrix retval;
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 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1012 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1013
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1014 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1015
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1016 if (nr == 1 || nc == 1)
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 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1019 nsamples = 1;
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1022 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1023 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1024 nsamples = nc;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1027 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1028
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1029 Array<FloatComplex> wsave (dim_vector (nn, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1030 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1031
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1032 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1033 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1034
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1035 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1036
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1037 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1038 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1039 octave_quit ();
7789
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 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
1042 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1043
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1044 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1045 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1046
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1047 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1048 FloatMatrix::ifourier (void) const
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 FloatComplexMatrix retval;
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 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1053 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1054
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1055 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1056
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1057 if (nr == 1 || nc == 1)
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 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1060 nsamples = 1;
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 else
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 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1065 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1066 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1067
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1068 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1069
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1070 Array<FloatComplex> wsave (dim_vector (nn, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1071 FloatComplex *pwsave = wsave.fortran_vec ();
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 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1074 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1075
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1076 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1077
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1078 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1079 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1080 octave_quit ();
7789
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 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
1083 }
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 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
1086 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
1087
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1088 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1089 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1090
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1091 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1092 FloatMatrix::fourier2d (void) const
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 FloatComplexMatrix retval;
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 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1097 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1098
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1099 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1100
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1101 if (nr == 1 || nc == 1)
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 = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1104 nsamples = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1105 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1106 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1107 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1108 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1109 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1110 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1111
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1112 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1113
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1114 Array<FloatComplex> wsave (dim_vector (nn, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1115 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1116
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1117 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1118 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1119
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1120 F77_FUNC (cffti, CFFTI) (npts, pwsave);
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 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1123 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1124 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1125
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1126 F77_FUNC (cfftf, CFFTF) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1127 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1128
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1129 npts = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1130 nsamples = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1131 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1132
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1133 wsave.resize (dim_vector (nn, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1134 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1135
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1136 Array<FloatComplex> tmp (dim_vector (npts, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1137 FloatComplex *prow = tmp.fortran_vec ();
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 F77_FUNC (cffti, CFFTI) (npts, pwsave);
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 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1142 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1143 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1144
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1145 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
1146 prow[i] = tmp_data[i*nr + j];
7789
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 F77_FUNC (cfftf, CFFTF) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1149
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1150 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
1151 tmp_data[i*nr + j] = prow[i];
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1152 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1153
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1154 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1155 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1156
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1157 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1158 FloatMatrix::ifourier2d (void) const
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 FloatComplexMatrix retval;
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 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1163 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1164
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1165 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1166
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1167 if (nr == 1 || nc == 1)
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 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1170 nsamples = 1;
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 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1173 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1174 npts = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1175 nsamples = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1176 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1177
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1178 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1179
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1180 Array<FloatComplex> wsave (dim_vector (nn, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1181 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1182
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1183 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1184 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1185
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1186 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1187
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1188 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1189 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1190 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1191
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1192 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
1193 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1194
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1195 for (octave_idx_type j = 0; j < npts*nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1196 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
1197
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1198 npts = nc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1199 nsamples = nr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1200 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1201
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1202 wsave.resize (dim_vector (nn, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1203 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1204
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1205 Array<FloatComplex> tmp (dim_vector (npts, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1206 FloatComplex *prow = tmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1207
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1208 F77_FUNC (cffti, CFFTI) (npts, pwsave);
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 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1211 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
1212 octave_quit ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1213
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1214 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
1215 prow[i] = tmp_data[i*nr + j];
7789
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 F77_FUNC (cfftb, CFFTB) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1218
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1219 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
1220 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
1221 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1222
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1223 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1224 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1225
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1226 #endif
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1227
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1228 FloatDET
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1229 FloatMatrix::determinant (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1230 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1231 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1232 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1233 return determinant (info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1234 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1235
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1236 FloatDET
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1237 FloatMatrix::determinant (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1238 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1239 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1240 return determinant (info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1241 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1242
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1243 FloatDET
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1244 FloatMatrix::determinant (octave_idx_type& info, float& rcon,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1245 int calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1246 {
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1247 MatrixType mattype (*this);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1248 return determinant (mattype, info, rcon, calc_cond);
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
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1251 FloatDET
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1252 FloatMatrix::determinant (MatrixType& mattype,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1253 octave_idx_type& info, float& rcon,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1254 int calc_cond) const
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1255 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1256 FloatDET retval (1.0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1257
13828
f1b023fd098d always initialize info and rcon in Matrix determinant methods
John W. Eaton <jwe@octave.org>
parents: 13756
diff changeset
1258 info = 0;
f1b023fd098d always initialize info and rcon in Matrix determinant methods
John W. Eaton <jwe@octave.org>
parents: 13756
diff changeset
1259 rcon = 0.0;
f1b023fd098d always initialize info and rcon in Matrix determinant methods
John W. Eaton <jwe@octave.org>
parents: 13756
diff changeset
1260
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1261 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1262 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1263
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1264 if (nr != nc)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1265 (*current_liboctave_error_handler) ("matrix must be square");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1266 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1267 {
8806
c7864bb74914 avoid some GCC warnings
John W. Eaton <jwe@octave.org>
parents: 8801
diff changeset
1268 volatile int typ = mattype.type ();
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1269
10213
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1270 // 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
1271 // 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
1272 // completes.
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1273
8337
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1274 if (typ == MatrixType::Unknown)
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1275 typ = mattype.type (*this);
10213
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1276 else if (typ == MatrixType::Rectangular)
f7ba6cfe7fb7 fix det() after singular matrix is flagged
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
1277 typ = MatrixType::Full;
8337
e02242c54c49 reuse matrix type detected in det
Jaroslav Hajek <highegg@gmail.com>
parents: 8336
diff changeset
1278
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1279 if (typ == MatrixType::Lower || typ == MatrixType::Upper)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1280 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1281 for (octave_idx_type i = 0; i < nc; i++)
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1282 retval *= elem (i,i);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1283 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1284 else if (typ == MatrixType::Hermitian)
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 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1287 float *tmp_data = atmp.fortran_vec ();
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 float anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1290 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1291
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1292
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1293 char job = 'L';
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1294 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1295 tmp_data, nr, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1296 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1297
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1298 if (info != 0)
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1299 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1300 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1301 mattype.mark_as_unsymmetric ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1302 typ = MatrixType::Full;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1303 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1304 else
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1305 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1306 Array<float> z (dim_vector (3 * nc, 1));
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1307 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1308 Array<octave_idx_type> iz (dim_vector (nc, 1));
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1309 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1310
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1311 F77_XFCN (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
1312 nr, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1313 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1314 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1315
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1316 if (info != 0)
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1317 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1318
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1319 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
1320 retval *= atmp (i,i);
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1321
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1322 retval = retval.square ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1323 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1324 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1325 else if (typ != MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1326 (*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
1327
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1328 if (typ == MatrixType::Full)
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1329 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1330 Array<octave_idx_type> ipvt (dim_vector (nr, 1));
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1331 octave_idx_type *pipvt = ipvt.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1332
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1333 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1334 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1335
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1336 info = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1337
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1338 // 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
1339 float anorm = 0;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1340 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1341
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1342 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
1343
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1344 // 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
1345 rcon = 0.0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1346 if (info != 0)
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1347 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1348 info = -1;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1349 retval = FloatDET ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1350 }
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1351 else
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1352 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1353 if (calc_cond)
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1354 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1355 // 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
1356 char job = '1';
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1357 Array<float> z (dim_vector (4 * nc, 1));
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1358 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1359 Array<octave_idx_type> iz (dim_vector (nc, 1));
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1360 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1361
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1362 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1363 nc, tmp_data, nr, anorm,
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1364 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1365 F77_CHAR_ARG_LEN (1)));
8335
64cf956a109c templatize & fix DET
Jaroslav Hajek <highegg@gmail.com>
parents: 8211
diff changeset
1366 }
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1367
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1368 if (info != 0)
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1369 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1370 info = -1;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1371 retval = FloatDET ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1372 }
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1373 else
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1374 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1375 for (octave_idx_type i = 0; i < nc; i++)
8336
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1376 {
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1377 float c = atmp(i,i);
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1378 retval *= (ipvt(i) != (i+1)) ? -c : c;
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1379 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1380 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1381 }
9813c07ca946 make det take advantage of matrix type
Jaroslav Hajek <highegg@gmail.com>
parents: 8335
diff changeset
1382 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1383 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1384
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1385 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1386 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1387
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1388 float
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1389 FloatMatrix::rcond (void) const
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1390 {
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1391 MatrixType mattype (*this);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1392 return rcond (mattype);
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1393 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1394
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1395 float
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1396 FloatMatrix::rcond (MatrixType &mattype) const
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1397 {
18780
cb37b17b6091 Initialize rcond value to octave_NaN.
PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
parents: 18084
diff changeset
1398 float rcon = octave_NaN;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1399 octave_idx_type nr = rows ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1400 octave_idx_type nc = cols ();
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1401
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1402 if (nr != nc)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1403 (*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
1404 else if (nr == 0 || nc == 0)
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1405 rcon = octave_Inf;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1406 else
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1407 {
16300
23c5f90f92cd eliminate some variable might be clobbered by 'longjmp' or 'vfork' warnings
John W. Eaton <jwe@octave.org>
parents: 15448
diff changeset
1408 volatile int typ = mattype.type ();
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1409
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1410 if (typ == MatrixType::Unknown)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1411 typ = mattype.type (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1412
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1413 // 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
1414 if (typ == MatrixType::Upper)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1415 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1416 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1417 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1418 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1419 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1420 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1421
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1422 Array<float> z (dim_vector (3 * nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1423 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1424 Array<octave_idx_type> iz (dim_vector (nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1425 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1426
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1427 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1428 F77_CONST_CHAR_ARG2 (&uplo, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1429 F77_CONST_CHAR_ARG2 (&dia, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1430 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1431 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1432 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1433 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1434 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1435
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1436 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1437 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1438 }
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1439 else if (typ == MatrixType::Permuted_Upper)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1440 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1441 ("permuted triangular matrix not implemented");
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1442 else if (typ == MatrixType::Lower)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1443 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1444 const float *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1445 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1446 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1447 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1448 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1449
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1450 Array<float> z (dim_vector (3 * nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1451 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1452 Array<octave_idx_type> iz (dim_vector (nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1453 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1454
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1455 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1456 F77_CONST_CHAR_ARG2 (&uplo, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1457 F77_CONST_CHAR_ARG2 (&dia, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1458 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1459 pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1460 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1461 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1462 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1463
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1464 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1465 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1466 }
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1467 else if (typ == MatrixType::Permuted_Lower)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1468 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1469 ("permuted triangular matrix not implemented");
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1470 else if (typ == MatrixType::Full || typ == MatrixType::Hermitian)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1471 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1472 float anorm = -1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1473
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1474 if (typ == MatrixType::Hermitian)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1475 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1476 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1477 char job = 'L';
15382
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1478
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1479 FloatMatrix atmp = *this;
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1480 float *tmp_data = atmp.fortran_vec ();
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1481
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1482 anorm = atmp.abs().sum().
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1483 row(static_cast<octave_idx_type>(0)).max();
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1484
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1485 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1486 tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1487 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1488
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1489 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1490 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1491 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1492 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1493 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1494 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1495 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1496 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1497 Array<float> z (dim_vector (3 * nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1498 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1499 Array<octave_idx_type> iz (dim_vector (nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1500 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1501
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1502 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
1503 nr, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1504 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1505 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1506
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1507 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1508 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1509 }
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
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1512 if (typ == MatrixType::Full)
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 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1515
15382
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1516 FloatMatrix atmp = *this;
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1517 float *tmp_data = atmp.fortran_vec ();
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1518
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1519 Array<octave_idx_type> ipvt (dim_vector (nr, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1520 octave_idx_type *pipvt = ipvt.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1521
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
1522 if (anorm < 0.)
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14557
diff changeset
1523 anorm = atmp.abs ().sum ().
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1524 row(static_cast<octave_idx_type>(0)).max ();
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1525
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1526 Array<float> z (dim_vector (4 * nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1527 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1528 Array<octave_idx_type> iz (dim_vector (nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1529 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1530
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1531 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
1532
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1533 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1534 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1535 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1536 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1537 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1538 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1539 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1540 char job = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1541 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1542 nc, tmp_data, nr, anorm,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1543 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1544 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1545
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1546 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1547 rcon = 0.0;
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 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1550 }
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1551 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1552 rcon = 0.0;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1553 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1554
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1555 return rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1556 }
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1557
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1558 FloatMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1559 FloatMatrix::utsolve (MatrixType &mattype, const FloatMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1560 octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1561 float& rcon, solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1562 bool calc_cond, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1563 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1564 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1565
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1566 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1567 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1568
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1569 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1570 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1571 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1572 else if (nr == 0 || nc == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1573 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1574 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1575 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1576 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1577
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1578 if (typ == MatrixType::Permuted_Upper ||
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1579 typ == MatrixType::Upper)
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 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1582 rcon = 1.;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1583 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1584
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1585 if (typ == MatrixType::Permuted_Upper)
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 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1588 ("permuted triangular matrix not implemented");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1589 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1590 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1591 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1592 const float *tmp_data = fortran_vec ();
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 if (calc_cond)
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 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1597 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1598 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1599
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1600 Array<float> z (dim_vector (3 * nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1601 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1602 Array<octave_idx_type> iz (dim_vector (nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1603 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1604
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1605 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1606 F77_CONST_CHAR_ARG2 (&uplo, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1607 F77_CONST_CHAR_ARG2 (&dia, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1608 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1609 pz, piz, 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
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1614 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1615 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1616
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1617 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1618
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1619 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1620 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1621 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1622
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1623 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1624 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1625 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1626 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1627 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1628 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1629 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1630 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1631
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1632 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1633 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1634 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1635 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1636
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1637 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1638 char trans = get_blas_char (transt);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1639 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1640
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1641 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1642 F77_CONST_CHAR_ARG2 (&trans, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1643 F77_CONST_CHAR_ARG2 (&dia, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1644 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1645 result, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1646 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1647 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1648 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1649 }
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 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1652 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1653 (*current_liboctave_error_handler) ("incorrect matrix type");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1654 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1655
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1656 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1657 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1658
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1659 FloatMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1660 FloatMatrix::ltsolve (MatrixType &mattype, const FloatMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1661 octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1662 float& rcon, solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1663 bool calc_cond, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1664 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1665 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1666
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1667 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1668 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1669
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1670 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1671 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1672 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1673 else if (nr == 0 || nc == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1674 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1675 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1676 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1677 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1678
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1679 if (typ == MatrixType::Permuted_Lower ||
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1680 typ == MatrixType::Lower)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1681 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1682 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1683 rcon = 1.;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1684 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1685
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1686 if (typ == MatrixType::Permuted_Lower)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1687 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1688 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1689 ("permuted triangular matrix not implemented");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1690 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1691 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1692 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1693 const float *tmp_data = fortran_vec ();
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 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1696 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1697 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1698 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1699 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1700
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1701 Array<float> z (dim_vector (3 * nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1702 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1703 Array<octave_idx_type> iz (dim_vector (nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1704 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1705
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1706 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1707 F77_CONST_CHAR_ARG2 (&uplo, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1708 F77_CONST_CHAR_ARG2 (&dia, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1709 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1710 pz, piz, info
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 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1714
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1715 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1716 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1717
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1718 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1719
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1720 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1721 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1722 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1723
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1724 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1725 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1726 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1727 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1728 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1729 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1730 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1731 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1732
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1733 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1734 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1735 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1736 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1737
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1738 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1739 char trans = get_blas_char (transt);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1740 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1741
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1742 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1743 F77_CONST_CHAR_ARG2 (&trans, 1),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1744 F77_CONST_CHAR_ARG2 (&dia, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1745 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1746 result, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1747 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1748 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1749 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1750 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1751 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1752 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1753 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1754 (*current_liboctave_error_handler) ("incorrect matrix type");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1755 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1756
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1757 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1758 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1759
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1760 FloatMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1761 FloatMatrix::fsolve (MatrixType &mattype, const FloatMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1762 octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1763 float& rcon, solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1764 bool calc_cond) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1765 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1766 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1767
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1768 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1769 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1770
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1771 if (nr != nc || nr != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1772 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1773 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1774 else if (nr == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1775 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1776 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1777 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1778 volatile int typ = mattype.type ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1779
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1780 // Calculate the norm of the matrix, for later use.
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1781 float anorm = -1.;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1782
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1783 if (typ == MatrixType::Hermitian)
10314
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 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1786 char job = 'L';
15382
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1787
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1788 FloatMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1789 float *tmp_data = atmp.fortran_vec ();
15382
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1790
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1791 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
1792
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1793 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1794 tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1795 F77_CHAR_ARG_LEN (1)));
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 // 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
1798 rcon = 0.0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1799 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1800 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1801 info = -2;
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 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1804 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1805 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1806 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1807 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1808 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1809 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1810 Array<float> z (dim_vector (3 * nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1811 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1812 Array<octave_idx_type> iz (dim_vector (nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1813 octave_idx_type *piz = iz.fortran_vec ();
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 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
1816 nr, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1817 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1818 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1819
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1820 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1821 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1822
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1823 volatile float rcond_plus_one = rcon + 1.0;
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 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1826 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1827 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1828
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1829 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1830 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1831 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1832 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1833 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1834 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1835 }
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
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1838 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1839 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1840 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1841 float *result = retval.fortran_vec ();
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 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1844
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1845 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
1846 nr, b_nc, tmp_data, nr,
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14557
diff changeset
1847 result, b.rows (), info
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1848 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1849 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1850 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1851 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1852 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1853 typ = MatrixType::Full;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1854 }
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1855 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1856 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1857
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1858 if (typ == MatrixType::Full)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1859 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1860 info = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1861
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1862 Array<octave_idx_type> ipvt (dim_vector (nr, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1863 octave_idx_type *pipvt = ipvt.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1864
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1865 FloatMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1866 float *tmp_data = atmp.fortran_vec ();
15382
197774b411ec rcond: use new copy of data for full factorization if positive definite cholesky factorization fails (bug #37336)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
1867
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1868 if (anorm < 0.)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1869 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
1870
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1871 Array<float> z (dim_vector (4 * nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1872 float *pz = z.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1873 Array<octave_idx_type> iz (dim_vector (nc, 1));
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1874 octave_idx_type *piz = iz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1875
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1876 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
1877
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1878 // 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
1879 rcon = 0.0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1880 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1881 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1882 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1883
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1884 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1885 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1886 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1887 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1888 ("matrix singular to machine precision");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1889
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1890 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1891 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1892 else
10314
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 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1895 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1896 // Now calculate the condition number for
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1897 // non-singular matrix.
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1898 char job = '1';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1899 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1900 nc, tmp_data, nr, anorm,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1901 rcon, pz, piz, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1902 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1903
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1904 if (info != 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1905 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1906
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1907 volatile float rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1908
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1909 if (rcond_plus_one == 1.0 || xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1910 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1911 info = -2;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1912
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1913 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1914 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1915 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1916 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1917 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1918 rcon);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1919 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1920 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1921
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1922 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1923 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1924 retval = b;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1925 float *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1926
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1927 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1928
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1929 char job = 'N';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1930 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
1931 nr, b_nc, tmp_data, nr,
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14557
diff changeset
1932 pipvt, result, b.rows (), info
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1933 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1934 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1935 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1936 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1937 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1938 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1939 else if (typ != MatrixType::Hermitian)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
1940 (*current_liboctave_error_handler) ("incorrect matrix type");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1941 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1942
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1943 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1944 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1945
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1946 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1947 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b) const
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 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1950 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1951 return solve (typ, b, info, rcon, 0);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1954 FloatMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1955 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1956 octave_idx_type& info) const
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1957 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1958 float rcon;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1959 return solve (typ, b, info, rcon, 0);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1960 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1961
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
1962 FloatMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1963 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1964 octave_idx_type& info, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1965 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1966 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1967 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1968
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1969 FloatMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1970 FloatMatrix::solve (MatrixType &mattype, const FloatMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1971 octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1972 float& rcon, solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1973 bool singular_fallback, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1974 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1975 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1976 int typ = mattype.type ();
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 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1979 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1980
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1981 // Only calculate the condition number for LU/Cholesky
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1982 if (typ == MatrixType::Upper || typ == MatrixType::Permuted_Upper)
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
1983 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
1984 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
1985 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
1986 else if (transt == blas_trans || transt == blas_conj_trans)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1987 return transpose ().solve (mattype, b, info, rcon, sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1988 singular_fallback);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1989 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
1990 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
1991 else if (typ != MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1992 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1993 (*current_liboctave_error_handler) ("unknown matrix type");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1994 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1995 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1996
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1997 // 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
1998 if (singular_fallback && mattype.type () == MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
1999 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2000 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2001 retval = lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2002 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2003
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2004 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2005 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2006
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2007 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2008 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2009 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2010 octave_idx_type info;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2011 float rcon;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2012 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2013 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2014
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2015 FloatComplexMatrix
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2016 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2017 octave_idx_type& info) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2018 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2019 float rcon;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2020 return solve (typ, b, info, rcon, 0);
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 FloatComplexMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2024 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2025 octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2026 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2027 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2028 return solve (typ, b, info, rcon, 0);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2029 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2030
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2031 static FloatMatrix
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2032 stack_complex_matrix (const FloatComplexMatrix& cm)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2033 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
2034 octave_idx_type m = cm.rows ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
2035 octave_idx_type n = cm.cols ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
2036 octave_idx_type nel = m*n;
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2037 FloatMatrix retval (m, 2*n);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2038 const FloatComplex *cmd = cm.data ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2039 float *rd = retval.fortran_vec ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2040 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
2041 {
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2042 rd[i] = std::real (cmd[i]);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2043 rd[nel+i] = std::imag (cmd[i]);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2044 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2045 return retval;
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2046 }
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2047
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2048 static FloatComplexMatrix
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2049 unstack_complex_matrix (const FloatMatrix& sm)
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2050 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
2051 octave_idx_type m = sm.rows ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
2052 octave_idx_type n = sm.cols () / 2;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
2053 octave_idx_type nel = m*n;
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2054 FloatComplexMatrix retval (m, n);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2055 const float *smd = sm.data ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2056 FloatComplex *rd = retval.fortran_vec ();
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2057 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
2058 rd[i] = FloatComplex (smd[i], smd[nel+i]);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2059 return retval;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2060 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2061
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2062 FloatComplexMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2063 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2064 octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2065 float& rcon, solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2066 bool singular_fallback, blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2067 {
9662
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2068 FloatMatrix tmp = stack_complex_matrix (b);
0d3b248f4ab6 further improve mixed real-complex division
Jaroslav Hajek <highegg@gmail.com>
parents: 9661
diff changeset
2069 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
2070 return unstack_complex_matrix (tmp);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2071 }
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 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2074 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2075 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2076 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2077 return solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2078 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2079
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2080 FloatColumnVector
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2081 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2082 octave_idx_type& info) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2083 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2084 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2085 return solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2086 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2087
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2088 FloatColumnVector
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2089 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2090 octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2091 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2092 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2093 return solve (typ, b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2094 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2095
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2096 FloatColumnVector
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2097 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2098 octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2099 float& rcon, solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2100 blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2101 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2102 FloatMatrix tmp (b);
10352
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
2103 tmp = solve (typ, tmp, info, rcon, sing_handler, true, transt);
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2104 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
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 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2108 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2109 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2110 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2111 return tmp.solve (typ, b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2112 }
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 FloatComplexColumnVector
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2115 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2116 octave_idx_type& info) const
7789
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 (typ, b, info);
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 FloatComplexColumnVector
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2123 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2124 octave_idx_type& info, float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2125 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2126 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2127 return tmp.solve (typ, b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2128 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2129
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2130 FloatComplexColumnVector
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2131 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2132 octave_idx_type& info, float& rcon,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2133 solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2134 blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2135 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2136 FloatComplexMatrix tmp (*this);
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2137 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
2138 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2141 FloatMatrix::solve (const FloatMatrix& b) const
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 octave_idx_type info;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2144 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2145 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2146 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2147
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2148 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2149 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
2150 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2151 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2152 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2153 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2154
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2155 FloatMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2156 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2157 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2158 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2159 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2160 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2161
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2162 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2163 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2164 float& rcon, solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2165 blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2166 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2167 MatrixType mattype (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2168 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
2169 }
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 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2172 FloatMatrix::solve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2173 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2174 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2175 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2176 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2177
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2178 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2179 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
2180 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2181 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2182 return tmp.solve (b, info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2183 }
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 FloatComplexMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2186 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2187 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 FloatComplexMatrix
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2194 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2195 float& rcon,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2196 solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2197 blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2198 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2199 FloatComplexMatrix tmp (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2200 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
2201 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2202
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2203 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2204 FloatMatrix::solve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2205 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2206 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2207 return solve (b, info, 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 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2211 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
2212 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2213 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2214 return solve (b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2215 }
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 FloatColumnVector
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2218 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2219 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2220 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2221 return solve (b, info, rcon, 0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2222 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2223
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2224 FloatColumnVector
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2225 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2226 float& rcon, solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2227 blas_trans_type transt) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2228 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2229 MatrixType mattype (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2230 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
2231 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2232
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2233 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2234 FloatMatrix::solve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2235 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2236 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2237 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2238 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2239
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2240 FloatComplexColumnVector
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2241 FloatMatrix::solve (const FloatComplexColumnVector& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2242 octave_idx_type& info) const
7789
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 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2245 return tmp.solve (b, info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2246 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2247
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2248 FloatComplexColumnVector
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2249 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2250 float& rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2251 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2252 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2253 return tmp.solve (b, info, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2254 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2255
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2256 FloatComplexColumnVector
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2257 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2258 float& rcon, solve_singularity_handler sing_handler,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2259 blas_trans_type transt) const
7789
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 FloatComplexMatrix tmp (*this);
9661
afcf852256d2 optimize / and '\ for triangular matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9658
diff changeset
2262 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
2263 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2266 FloatMatrix::lssolve (const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2267 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2268 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2269 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2270 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2271 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2272 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2273
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2274 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2275 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
2276 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2277 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2278 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2279 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2280 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2281
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2282 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2283 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2284 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2285 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2286 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2287 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2288 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2289
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2290 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2291 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2292 octave_idx_type& rank, float &rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2293 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2294 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2295
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2296 octave_idx_type nrhs = b.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2297
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2298 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2299 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2300
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2301 if (m != b.rows ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2302 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2303 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2304 else if (m == 0 || n == 0 || b.cols () == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2305 retval = FloatMatrix (n, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2306 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2307 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2308 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2309 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
2310 rcon = -1.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2311 if (m != n)
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 retval = FloatMatrix (maxmn, nrhs, 0.0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2315 for (octave_idx_type j = 0; j < nrhs; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2316 for (octave_idx_type i = 0; i < m; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2317 retval.elem (i, j) = b.elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2318 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2319 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2320 retval = b;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2321
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2322 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2323 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2324
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2325 float *pretval = retval.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
2326 Array<float> s (dim_vector (minmn, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2327 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2328
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2329 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2330 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2331
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
2332 Array<float> work (dim_vector (1, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2333
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2334 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2335 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
2336 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2337 0, 0, 0, 0, smlsiz
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2338 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2339 F77_CHAR_ARG_LEN (1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2340
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2341 octave_idx_type mnthr;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2342 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
2343 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2344 m, n, nrhs, -1, mnthr
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2345 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2346 F77_CHAR_ARG_LEN (1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2347
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2348 // 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
2349 // 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
2350 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2351 float dsmlsizp1 = static_cast<float> (smlsiz+1);
19037
ff4da3c8ed16 use gnulib log2 modules (bug #42583)
John W. Eaton <jwe@octave.org>
parents: 17769
diff changeset
2352 float tmp = xlog2 (dminmn / dsmlsizp1);
ff4da3c8ed16 use gnulib log2 modules (bug #42583)
John W. Eaton <jwe@octave.org>
parents: 17769
diff changeset
2353
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2354 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
2355 if (nlvl < 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2356 nlvl = 0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2357
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2358 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2359 if (liwork < 1)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2360 liwork = 1;
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
2361 Array<octave_idx_type> iwork (dim_vector (liwork, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2362 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2363
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2364 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
2365 ps, rcon, rank, work.fortran_vec (),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2366 lwork, piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2367
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2368 // 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
2369 // 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
2370 // should provide sufficient workspace for DGELSD to operate
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2371 // efficiently.
10813
2c2d4a2f1047 fix workspace bug workaround for xGELSD (since 7486:6a6d2abe51ff)
Jaroslav Hajek <highegg@gmail.com>
parents: 10806
diff changeset
2372 if (n > m && n >= mnthr)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2373 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2374 const octave_idx_type wlalsd
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2375 = 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
2376
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2377 octave_idx_type addend = m;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2378
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2379 if (2*m-4 > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2380 addend = 2*m-4;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2381
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2382 if (nrhs > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2383 addend = nrhs;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2384
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2385 if (n-3*m > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2386 addend = n-3*m;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2387
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2388 if (wlalsd > addend)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2389 addend = wlalsd;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2390
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2391 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
2392
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2393 if (work(0) < lworkaround)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2394 work(0) = lworkaround;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2395 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2396 else if (m >= n)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2397 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2398 octave_idx_type lworkaround
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2399 = 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
2400
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2401 if (work(0) < lworkaround)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2402 work(0) = lworkaround;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2403 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2404
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2405 lwork = static_cast<octave_idx_type> (work(0));
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
2406 work.resize (dim_vector (lwork, 1));
7789
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 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
2409 maxmn, ps, rcon, rank,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2410 work.fortran_vec (), lwork,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2411 piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2412
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2413 if (s.elem (0) == 0.0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2414 rcon = 0.0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2415 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2416 rcon = s.elem (minmn - 1) / s.elem (0);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2417
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2418 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2419 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2420
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2421 return retval;
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 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2425 FloatMatrix::lssolve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2426 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2427 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2428 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2429 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2430 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2431 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2432 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2433
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2434 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2435 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
2436 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2437 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2438 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2439 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2440 return tmp.lssolve (b, info, rank, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2443 FloatComplexMatrix
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2444 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2445 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2446 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2447 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2448 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2449 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2450 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2451
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2452 FloatComplexMatrix
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2453 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2454 octave_idx_type& rank, float& rcon) const
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 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2457 return tmp.lssolve (b, info, rank, rcon);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2460 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2461 FloatMatrix::lssolve (const FloatColumnVector& b) const
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 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2464 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2465 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2466 return lssolve (b, info, rank, rcon);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2469 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2470 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
2471 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2472 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2473 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2474 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2475 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2476
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2477 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2478 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2479 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2480 {
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2481 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2482 return lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2483 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2484
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2485 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2486 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2487 octave_idx_type& rank, float &rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2488 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2489 FloatColumnVector retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2490
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2491 octave_idx_type nrhs = 1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2492
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2493 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2494 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2495
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2496 if (m != b.length ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2497 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2498 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2499 else if (m == 0 || n == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2500 retval = FloatColumnVector (n, 0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2501 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2502 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2503 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2504 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
2505 rcon = -1.0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2506
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2507 if (m != n)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2508 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2509 retval = FloatColumnVector (maxmn, 0.0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2510
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2511 for (octave_idx_type i = 0; i < m; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2512 retval.elem (i) = b.elem (i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2513 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2514 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2515 retval = b;
7789
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 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2518 float *tmp_data = atmp.fortran_vec ();
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 float *pretval = retval.fortran_vec ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
2521 Array<float> s (dim_vector (minmn, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2522 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2523
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2524 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2525 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2526
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
2527 Array<float> work (dim_vector (1, 1));
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 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2530 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
2531 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2532 0, 0, 0, 0, smlsiz
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2533 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2534 F77_CHAR_ARG_LEN (1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2535
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2536 // 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
2537 // 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
2538 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2539 float dsmlsizp1 = static_cast<float> (smlsiz+1);
19037
ff4da3c8ed16 use gnulib log2 modules (bug #42583)
John W. Eaton <jwe@octave.org>
parents: 17769
diff changeset
2540 float tmp = xlog2 (dminmn / dsmlsizp1);
ff4da3c8ed16 use gnulib log2 modules (bug #42583)
John W. Eaton <jwe@octave.org>
parents: 17769
diff changeset
2541
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2542 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
2543 if (nlvl < 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2544 nlvl = 0;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2545
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2546 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2547 if (liwork < 1)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2548 liwork = 1;
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
2549 Array<octave_idx_type> iwork (dim_vector (liwork, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2550 octave_idx_type* piwork = iwork.fortran_vec ();
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 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
2553 ps, rcon, rank, work.fortran_vec (),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2554 lwork, piwork, info));
7789
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 lwork = static_cast<octave_idx_type> (work(0));
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
2557 work.resize (dim_vector (lwork, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2558
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2559 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
2560 maxmn, ps, rcon, rank,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2561 work.fortran_vec (), lwork,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2562 piwork, info));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2563
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2564 if (rank < minmn)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2565 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2566 if (s.elem (0) == 0.0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2567 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2568 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2569 rcon = s.elem (minmn - 1) / s.elem (0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2570 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2571
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2572 retval.resize (n, nrhs);
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2575 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2576 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2577
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2578 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2579 FloatMatrix::lssolve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2580 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2581 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2582 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2583 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2584 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2585 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2586 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2587
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2588 FloatComplexColumnVector
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2589 FloatMatrix::lssolve (const FloatComplexColumnVector& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2590 octave_idx_type& info) const
7789
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 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2593 octave_idx_type rank;
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2594 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2595 return tmp.lssolve (b, info, rank, rcon);
7789
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 FloatComplexColumnVector
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2599 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2600 octave_idx_type& rank) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2601 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2602 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2603 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2604 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2605 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2606
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2607 FloatComplexColumnVector
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2608 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2609 octave_idx_type& rank, float &rcon) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2610 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2611 FloatComplexMatrix tmp (*this);
7797
f42c6f8d6d8e Extend rcond function to single precision types
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
2612 return tmp.lssolve (b, info, rank, rcon);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2613 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2614
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2615 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2616 FloatMatrix::operator += (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2617 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2618 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2619 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2620
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2621 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2622 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2623
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2624 if (nr != a_nr || nc != a_nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2625 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2626 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2627 return *this;
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 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
2631 elem (i, i) += a.elem (i, i);
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 return *this;
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2636 FloatMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2637 FloatMatrix::operator -= (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2638 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2639 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2640 octave_idx_type nc = cols ();
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 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2643 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2644
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2645 if (nr != a_nr || nc != a_nc)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2646 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2647 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2648 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2649 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2650
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2651 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
2652 elem (i, i) -= a.elem (i, i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2653
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2654 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2655 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2656
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2657 // column vector by row vector -> matrix operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2658
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2659 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2660 operator * (const FloatColumnVector& v, const FloatRowVector& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2661 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2662 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2663
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2664 octave_idx_type len = v.length ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2665
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2666 if (len != 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2667 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2668 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2669
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
2670 retval = FloatMatrix (len, a_len);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2671 float *c = retval.fortran_vec ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2672
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2673 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
2674 F77_CONST_CHAR_ARG2 ("N", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2675 len, a_len, 1, 1.0, v.data (), len,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2676 a.data (), 1, 0.0, c, len
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2677 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2678 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2679 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2680
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2681 return retval;
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
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
2684 // FIXME: Do these really belong here? Maybe they should be in a base class?
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2685
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2686 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2687 FloatMatrix::cumprod (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2688 {
19511
3746b92739f7 Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents: 19510
diff changeset
2689 return FloatNDArray::cumprod (dim);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2692 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2693 FloatMatrix::cumsum (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2694 {
19511
3746b92739f7 Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents: 19510
diff changeset
2695 return FloatNDArray::cumsum (dim);
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2699 FloatMatrix::prod (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2700 {
19511
3746b92739f7 Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents: 19510
diff changeset
2701 return FloatNDArray::prod (dim);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2702 }
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 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2705 FloatMatrix::sum (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2706 {
19511
3746b92739f7 Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents: 19510
diff changeset
2707 return FloatNDArray::sum (dim);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2708 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2709
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2710 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2711 FloatMatrix::sumsq (int dim) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2712 {
19511
3746b92739f7 Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents: 19510
diff changeset
2713 return FloatNDArray::sumsq (dim);
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2716 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2717 FloatMatrix::abs (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2718 {
19511
3746b92739f7 Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents: 19510
diff changeset
2719 return FloatNDArray::abs ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2720 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2721
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2722 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2723 FloatMatrix::diag (octave_idx_type k) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2724 {
19511
3746b92739f7 Replace some duplicated code and count on methods implemented on base classes.
Carnë Draug <carandraug@octave.org>
parents: 19510
diff changeset
2725 return FloatNDArray::diag (k);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2726 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2727
14557
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2728 FloatDiagMatrix
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2729 FloatMatrix::diag (octave_idx_type m, octave_idx_type n) const
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2730 {
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2731 FloatDiagMatrix retval;
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2732
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2733 octave_idx_type nr = rows ();
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2734 octave_idx_type nc = cols ();
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2735
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2736 if (nr == 1 || nc == 1)
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2737 retval = FloatDiagMatrix (*this, m, n);
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2738 else
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2739 (*current_liboctave_error_handler)
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2740 ("diag: expecting vector argument");
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2741
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2742 return retval;
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2743 }
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14427
diff changeset
2744
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2745 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2746 FloatMatrix::row_min (void) const
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 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2749 return row_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2750 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2751
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2752 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2753 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
2754 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2755 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2756
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2757 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2758 octave_idx_type nc = cols ();
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 (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2761 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2762 result.resize (nr);
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
2763 idx_arg.resize (dim_vector (nr, 1));
7789
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 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2766 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2767 octave_idx_type idx_j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2768
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2769 float tmp_min = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2770
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2771 for (idx_j = 0; idx_j < nc; idx_j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2772 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2773 tmp_min = elem (i, idx_j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2774
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2775 if (! xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2776 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2777 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2778
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2779 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
2780 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2781 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2782
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2783 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2784 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2785 else if (tmp < tmp_min)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2786 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2787 idx_j = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2788 tmp_min = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2789 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2790 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2791
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2792 result.elem (i) = tmp_min;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2793 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
2794 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2795 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2796
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2797 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2798 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2799
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2800 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2801 FloatMatrix::row_max (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2802 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2803 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2804 return row_max (dummy_idx);
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 FloatColumnVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2808 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
2809 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2810 FloatColumnVector result;
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 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2813 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2814
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2815 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2816 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2817 result.resize (nr);
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
2818 idx_arg.resize (dim_vector (nr, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2819
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2820 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2821 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2822 octave_idx_type idx_j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2823
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2824 float tmp_max = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2825
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2826 for (idx_j = 0; idx_j < nc; idx_j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2827 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2828 tmp_max = elem (i, idx_j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2829
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2830 if (! xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2831 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2832 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2833
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2834 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
2835 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2836 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2837
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2838 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2839 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2840 else if (tmp > tmp_max)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2841 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2842 idx_j = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2843 tmp_max = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2844 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2845 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2846
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2847 result.elem (i) = tmp_max;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2848 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
2849 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2850 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2851
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2852 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2853 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2854
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2855 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2856 FloatMatrix::column_min (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2857 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2858 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2859 return column_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2860 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2861
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2862 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2863 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
2864 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2865 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2866
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2867 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2868 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2869
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2870 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2871 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2872 result.resize (nc);
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
2873 idx_arg.resize (dim_vector (1, nc));
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 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2876 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2877 octave_idx_type idx_i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2878
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2879 float tmp_min = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2880
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2881 for (idx_i = 0; idx_i < nr; idx_i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2882 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2883 tmp_min = elem (idx_i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2884
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2885 if (! xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2886 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2887 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2888
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2889 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
2890 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2891 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2892
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2893 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2894 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2895 else if (tmp < tmp_min)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2896 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2897 idx_i = i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2898 tmp_min = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2899 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2900 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2901
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2902 result.elem (j) = tmp_min;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2903 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
2904 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2905 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2906
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2907 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2908 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2909
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2910 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2911 FloatMatrix::column_max (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2912 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2913 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2914 return column_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2915 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2916
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2917 FloatRowVector
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2918 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
2919 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2920 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2921
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2922 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2923 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2924
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2925 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2926 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2927 result.resize (nc);
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
2928 idx_arg.resize (dim_vector (1, nc));
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 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2931 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2932 octave_idx_type idx_i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2933
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2934 float tmp_max = octave_Float_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2935
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2936 for (idx_i = 0; idx_i < nr; idx_i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2937 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2938 tmp_max = elem (idx_i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2939
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2940 if (! xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2941 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2942 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2943
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2944 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
2945 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2946 float tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2947
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2948 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2949 continue;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2950 else if (tmp > tmp_max)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2951 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2952 idx_i = i;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2953 tmp_max = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2954 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2955 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2956
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2957 result.elem (j) = tmp_max;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2958 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
2959 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2960 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2961
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2962 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2963 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2964
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2965 std::ostream&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2966 operator << (std::ostream& os, const FloatMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2967 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2968 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
2969 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2970 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
2971 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2972 os << " ";
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2973 octave_write_float (os, a.elem (i, j));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2974 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2975 os << "\n";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2976 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2977 return os;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2978 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2979
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2980 std::istream&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2981 operator >> (std::istream& is, FloatMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2982 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2983 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2984 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2985
8999
dc07bc4157b8 allow empty matrices in stream input operators
Jaroslav Hajek <highegg@gmail.com>
parents: 8956
diff changeset
2986 if (nr > 0 && nc > 0)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2987 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2988 float tmp;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2989 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
2990 for (octave_idx_type j = 0; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2991 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2992 tmp = octave_read_value<float> (is);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2993 if (is)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2994 a.elem (i, j) = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2995 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2996 goto done;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
2997 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2998 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
2999
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
3000 done:
7789
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 return is;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3003 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3004
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3005 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3006 Givens (float x, float y)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3007 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3008 float cc, s, temp_r;
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 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
3011
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3012 FloatMatrix g (2, 2);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3013
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3014 g.elem (0, 0) = cc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3015 g.elem (1, 1) = cc;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3016 g.elem (0, 1) = s;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3017 g.elem (1, 0) = -s;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3018
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3019 return g;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3020 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3021
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3022 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3023 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
3024 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3025 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3026
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
3027 // FIXME: need to check that a, b, and c are all the same size.
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3028
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3029 // Compute Schur decompositions.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3030
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3031 FloatSCHUR as (a, "U");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3032 FloatSCHUR bs (b, "U");
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
3033
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3034 // Transform c to new coordinates.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3035
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3036 FloatMatrix ua = as.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3037 FloatMatrix sch_a = as.schur_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3038
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3039 FloatMatrix ub = bs.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3040 FloatMatrix sch_b = bs.schur_matrix ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
3041
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3042 FloatMatrix cx = ua.transpose () * c * ub;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
3043
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3044 // Solve the sylvester equation, back-transform, and return the
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3045 // solution.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3046
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3047 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3048 octave_idx_type b_nr = b.rows ();
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 float scale;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3051 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3052
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3053 float *pa = sch_a.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3054 float *pb = sch_b.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3055 float *px = cx.fortran_vec ();
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 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
3058 F77_CONST_CHAR_ARG2 ("N", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3059 1, a_nr, b_nr, pa, a_nr, pb,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3060 b_nr, px, a_nr, scale, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3061 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3062 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3063
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3064
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
3065 // FIXME: check info?
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
3066
19257
d20c81d3cd21 Deprecate syl, add new function sylvester.
Rik <rik@octave.org>
parents: 19040
diff changeset
3067 retval = ua*cx*ub.transpose ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3068
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3069 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3070 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3071
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3072 // matrix by matrix -> matrix operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3073
14427
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3074 /*
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3075 ## Simple Dot Product, Matrix-Vector, and Matrix-Matrix Unit tests
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3076 %!assert (single ([1 2 3]) * single ([ 4 ; 5 ; 6]), single (32), 5e-7)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3077 %!assert (single ([1 2 ; 3 4]) * single ([5 ; 6]), single ([17 ; 39]), 5e-7)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3078 %!assert (single ([1 2 ; 3 4]) * single ([5 6 ; 7 8]), single ([19 22; 43 50]), 5e-7)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3079
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3080 ## Test some simple identities
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3081 %!shared M, cv, rv
14427
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3082 %! M = single (randn (10,10));
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3083 %! cv = single (randn (10,1));
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3084 %! rv = single (randn (1,10));
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3085 %!assert ([M*cv,M*cv], M*[cv,cv], 5e-6)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3086 %!assert ([M'*cv,M'*cv], M'*[cv,cv], 5e-6)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3087 %!assert ([rv*M;rv*M], [rv;rv]*M, 5e-6)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3088 %!assert ([rv*M';rv*M'], [rv;rv]*M', 5e-6)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3089 %!assert (2*rv*cv, [rv,rv]*[cv;cv], 5e-6)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
3090
7789
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
11516
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3093 static char
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3094 get_blas_trans_arg (bool trans)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3095 {
11516
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3096 return trans ? 'T' : 'N';
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3097 }
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3098
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3099 // the general GEMM operation
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3100
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
3101 FloatMatrix
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
3102 xgemm (const FloatMatrix& a, const FloatMatrix& b,
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3103 blas_trans_type transa, blas_trans_type transb)
7789
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
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
3107 bool tra = transa != blas_no_trans;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
3108 bool trb = transb != blas_no_trans;
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3109
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3110 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
3111 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
3112
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3113 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
3114 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
3115
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3116 if (a_nc != b_nr)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3117 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
3118 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3119 {
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3120 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
3121 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
3122 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
3123 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3124 octave_idx_type lda = a.rows ();
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3125
9359
be6867ba8104 avoid useless zero initialization when doing matrix multiply
Jaroslav Hajek <highegg@gmail.com>
parents: 9227
diff changeset
3126 retval = FloatMatrix (a_nr, b_nc);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3127 float *c = retval.fortran_vec ();
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3128
11516
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3129 const char ctra = get_blas_trans_arg (tra);
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3130 F77_XFCN (ssyrk, SSYRK, (F77_CONST_CHAR_ARG2 ("U", 1),
11516
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3131 F77_CONST_CHAR_ARG2 (&ctra, 1),
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3132 a_nr, a_nc, 1.0,
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3133 a.data (), lda, 0.0, c, a_nr
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3134 F77_CHAR_ARG_LEN (1)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3135 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3136 for (int j = 0; j < a_nr; j++)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3137 for (int i = 0; i < j; i++)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3138 retval.xelem (j,i) = retval.xelem (i,j);
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3139
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3140 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3141 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3142 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
3143 octave_idx_type lda = a.rows ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
3144 octave_idx_type tda = a.cols ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
3145 octave_idx_type ldb = b.rows ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
3146 octave_idx_type tdb = b.cols ();
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3147
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3148 retval = FloatMatrix (a_nr, b_nc);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3149 float *c = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3150
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3151 if (b_nc == 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3152 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3153 if (a_nr == 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3154 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
3155 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3156 {
11516
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3157 const char ctra = get_blas_trans_arg (tra);
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3158 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (&ctra, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3159 lda, tda, 1.0, a.data (), lda,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3160 b.data (), 1, 0.0, c, 1
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3161 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3162 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3163 }
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3164 else if (a_nr == 1)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3165 {
11516
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3166 const char crevtrb = get_blas_trans_arg (! trb);
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3167 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
3168 ldb, tdb, 1.0, b.data (), ldb,
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3169 a.data (), 1, 0.0, c, 1
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3170 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3171 }
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3172 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3173 {
11516
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3174 const char ctra = get_blas_trans_arg (tra);
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3175 const char ctrb = get_blas_trans_arg (trb);
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3176 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 (&ctra, 1),
53edbf95fbb6 avoid GCC warnings
John W. Eaton <jwe@octave.org>
parents: 11130
diff changeset
3177 F77_CONST_CHAR_ARG2 (&ctrb, 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3178 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
3179 lda, b.data (), ldb, 0.0, c, a_nr
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3180 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3181 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3182 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3183 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3184 }
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 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3187 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3188
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3189 FloatMatrix
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3190 operator * (const FloatMatrix& a, const FloatMatrix& b)
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3191 {
9665
1dba57e9d08d use blas_trans_type for xgemm
Jaroslav Hajek <highegg@gmail.com>
parents: 9662
diff changeset
3192 return xgemm (a, b);
7804
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3193 }
a0c550b22e61 compound ops for float matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 7797
diff changeset
3194
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
3195 // FIXME: it would be nice to share code among the min/max functions below.
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3196
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3197 #define EMPTY_RETURN_CHECK(T) \
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3198 if (nr == 0 || nc == 0) \
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3199 return T (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3200
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3201 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3202 min (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3203 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3204 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3205 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3206
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3207 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3208
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3209 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3210
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3211 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3212 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3213 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3214 octave_quit ();
18083
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents: 17769
diff changeset
3215 result(i, j) = xmin (d, m(i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3216 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3217
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3218 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3219 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3220
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3221 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3222 min (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3223 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3224 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3225 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3226
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3227 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3228
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3229 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3230
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3231 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3232 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3233 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3234 octave_quit ();
18083
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents: 17769
diff changeset
3235 result(i, j) = xmin (m(i, j), d);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3236 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3237
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3238 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3239 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3240
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3241 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3242 min (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3243 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3244 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3245 octave_idx_type nc = a.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3246
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3247 if (nr != b.rows () || nc != b.columns ())
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3248 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3249 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3250 ("two-arg min expecting args of same size");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3251 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3252 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3253
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3254 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3255
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3256 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3257
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3258 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3259 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3260 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3261 octave_quit ();
18083
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents: 17769
diff changeset
3262 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
3263 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3264
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3265 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3266 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3267
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3268 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3269 max (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3270 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3271 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3272 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3273
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3274 EMPTY_RETURN_CHECK (FloatMatrix);
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 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3277
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3278 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3279 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3280 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3281 octave_quit ();
18083
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents: 17769
diff changeset
3282 result(i, j) = xmax (d, m(i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3283 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3284
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3285 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3286 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3287
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3288 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3289 max (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3290 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3291 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3292 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3293
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3294 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3295
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3296 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3297
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3298 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3299 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3300 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3301 octave_quit ();
18083
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents: 17769
diff changeset
3302 result(i, j) = xmax (m(i, j), d);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3303 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3304
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3305 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3306 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3307
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3308 FloatMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3309 max (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3310 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3311 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3312 octave_idx_type nc = a.columns ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3313
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3314 if (nr != b.rows () || nc != b.columns ())
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 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3317 ("two-arg max expecting args of same size");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3318 return FloatMatrix ();
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3321 EMPTY_RETURN_CHECK (FloatMatrix);
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 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3324
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3325 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3326 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3327 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10213
diff changeset
3328 octave_quit ();
18083
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents: 17769
diff changeset
3329 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
3330 }
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 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3333 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3334
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
3335 FloatMatrix linspace (const FloatColumnVector& x1,
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
3336 const FloatColumnVector& x2,
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3337 octave_idx_type n)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3338
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3339 {
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3340 if (n < 1) n = 1;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3341
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3342 octave_idx_type m = x1.length ();
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3343
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3344 if (x2.length () != m)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
3345 (*current_liboctave_error_handler)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
3346 ("linspace: vectors must be of equal length");
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3347
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3348 NoAlias<FloatMatrix> retval;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3349
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3350 retval.clear (m, n);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3351 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3352 retval(i, 0) = x1(i);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3353
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3354 // The last column is not needed while using delta.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
3355 float *delta = &retval(0, n-1);
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3356 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3357 delta[i] = (x2(i) - x1(i)) / (n - 1);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3358
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3359 for (octave_idx_type j = 1; j < n-1; j++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3360 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
3361 retval(i, j) = x1(i) + j*delta[i];
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3362
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3363 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3364 retval(i, n-1) = x2(i);
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3365
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3366 return retval;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3367 }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
3368
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3369 MS_CMP_OPS (FloatMatrix, float)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3370 MS_BOOL_OPS (FloatMatrix, float)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3371
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3372 SM_CMP_OPS (float, FloatMatrix)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3373 SM_BOOL_OPS (float, FloatMatrix)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
3374
9578
7dafdb8b062f refactor comparison ops implementations
Jaroslav Hajek <highegg@gmail.com>
parents: 9553
diff changeset
3375 MM_CMP_OPS (FloatMatrix, FloatMatrix)
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9528
diff changeset
3376 MM_BOOL_OPS (FloatMatrix, FloatMatrix)