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annotate liboctave/array/fCDiagMatrix.cc @ 17296:3a9efb68272d ss-3-7-6

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snapshot 3.7.6 * configure.ac (OCTAVE_VERSION): Bump to 3.7.6.
author John W. Eaton <jwe@octave.org>
date Tue, 20 Aug 2013 15:17:54 -0400
parents 0a0912a9ab6e
children 7975d75f933c
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1 // DiagMatrix manipulations.
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2 /*
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3
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4 Copyright (C) 1994-2012 John W. Eaton
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5 Copyright (C) 2009 VZLU Prague
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6
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7 This file is part of Octave.
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8
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9 Octave is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
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12 option) any later version.
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13
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14 Octave is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <http://www.gnu.org/licenses/>.
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22
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23 */
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24
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25 #ifdef HAVE_CONFIG_H
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26 #include <config.h>
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27 #endif
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28
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29 #include <iostream>
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30
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31 #include "Array-util.h"
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32 #include "lo-error.h"
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33 #include "lo-ieee.h"
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34 #include "mx-base.h"
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35 #include "mx-inlines.cc"
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36 #include "oct-cmplx.h"
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37
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38 // FloatComplex Diagonal Matrix class
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39
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40 FloatComplexDiagMatrix::FloatComplexDiagMatrix (const FloatDiagMatrix& a)
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41 : MDiagArray2<FloatComplex> (a.rows (), a.cols ())
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42 {
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43 for (octave_idx_type i = 0; i < length (); i++)
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44 elem (i, i) = a.elem (i, i);
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45 }
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46
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47 bool
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48 FloatComplexDiagMatrix::operator == (const FloatComplexDiagMatrix& a) const
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49 {
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50 if (rows () != a.rows () || cols () != a.cols ())
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51 return 0;
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52
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53 return mx_inline_equal (length (), data (), a.data ());
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54 }
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55
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56 bool
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57 FloatComplexDiagMatrix::operator != (const FloatComplexDiagMatrix& a) const
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58 {
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59 return !(*this == a);
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60 }
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61
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62 FloatComplexDiagMatrix&
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63 FloatComplexDiagMatrix::fill (float val)
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64 {
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65 for (octave_idx_type i = 0; i < length (); i++)
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66 elem (i, i) = val;
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67 return *this;
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68 }
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69
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70 FloatComplexDiagMatrix&
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71 FloatComplexDiagMatrix::fill (const FloatComplex& val)
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72 {
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73 for (octave_idx_type i = 0; i < length (); i++)
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74 elem (i, i) = val;
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75 return *this;
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76 }
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77
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78 FloatComplexDiagMatrix&
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79 FloatComplexDiagMatrix::fill (float val, octave_idx_type beg, octave_idx_type end)
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80 {
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81 if (beg < 0 || end >= length () || end < beg)
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82 {
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83 (*current_liboctave_error_handler) ("range error for fill");
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84 return *this;
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85 }
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86
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87 for (octave_idx_type i = beg; i <= end; i++)
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88 elem (i, i) = val;
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89
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90 return *this;
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91 }
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92
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93 FloatComplexDiagMatrix&
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94 FloatComplexDiagMatrix::fill (const FloatComplex& val, octave_idx_type beg, octave_idx_type end)
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95 {
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96 if (beg < 0 || end >= length () || end < beg)
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97 {
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98 (*current_liboctave_error_handler) ("range error for fill");
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99 return *this;
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100 }
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101
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102 for (octave_idx_type i = beg; i <= end; i++)
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103 elem (i, i) = val;
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104
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105 return *this;
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106 }
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107
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108 FloatComplexDiagMatrix&
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109 FloatComplexDiagMatrix::fill (const FloatColumnVector& a)
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110 {
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111 octave_idx_type len = length ();
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112 if (a.length () != len)
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113 {
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114 (*current_liboctave_error_handler) ("range error for fill");
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115 return *this;
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116 }
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117
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118 for (octave_idx_type i = 0; i < len; i++)
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119 elem (i, i) = a.elem (i);
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120
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121 return *this;
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122 }
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123
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124 FloatComplexDiagMatrix&
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125 FloatComplexDiagMatrix::fill (const FloatComplexColumnVector& a)
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126 {
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127 octave_idx_type len = length ();
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128 if (a.length () != len)
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129 {
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130 (*current_liboctave_error_handler) ("range error for fill");
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131 return *this;
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132 }
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133
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134 for (octave_idx_type i = 0; i < len; i++)
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135 elem (i, i) = a.elem (i);
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136
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137 return *this;
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138 }
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139
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140 FloatComplexDiagMatrix&
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141 FloatComplexDiagMatrix::fill (const FloatRowVector& a)
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142 {
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143 octave_idx_type len = length ();
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144 if (a.length () != len)
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145 {
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146 (*current_liboctave_error_handler) ("range error for fill");
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147 return *this;
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148 }
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149
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150 for (octave_idx_type i = 0; i < len; i++)
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151 elem (i, i) = a.elem (i);
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152
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153 return *this;
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154 }
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155
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156 FloatComplexDiagMatrix&
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157 FloatComplexDiagMatrix::fill (const FloatComplexRowVector& a)
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158 {
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159 octave_idx_type len = length ();
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160 if (a.length () != len)
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161 {
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162 (*current_liboctave_error_handler) ("range error for fill");
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163 return *this;
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164 }
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165
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166 for (octave_idx_type i = 0; i < len; i++)
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167 elem (i, i) = a.elem (i);
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168
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169 return *this;
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170 }
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171
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172 FloatComplexDiagMatrix&
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173 FloatComplexDiagMatrix::fill (const FloatColumnVector& a, octave_idx_type beg)
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174 {
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175 octave_idx_type a_len = a.length ();
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176 if (beg < 0 || beg + a_len >= length ())
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177 {
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178 (*current_liboctave_error_handler) ("range error for fill");
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179 return *this;
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180 }
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181
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182 for (octave_idx_type i = 0; i < a_len; i++)
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183 elem (i+beg, i+beg) = a.elem (i);
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184
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185 return *this;
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186 }
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187
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188 FloatComplexDiagMatrix&
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189 FloatComplexDiagMatrix::fill (const FloatComplexColumnVector& a, octave_idx_type beg)
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190 {
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191 octave_idx_type a_len = a.length ();
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192 if (beg < 0 || beg + a_len >= length ())
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193 {
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194 (*current_liboctave_error_handler) ("range error for fill");
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195 return *this;
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196 }
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197
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198 for (octave_idx_type i = 0; i < a_len; i++)
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199 elem (i+beg, i+beg) = a.elem (i);
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200
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201 return *this;
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202 }
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203
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204 FloatComplexDiagMatrix&
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205 FloatComplexDiagMatrix::fill (const FloatRowVector& a, octave_idx_type beg)
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206 {
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207 octave_idx_type a_len = a.length ();
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208 if (beg < 0 || beg + a_len >= length ())
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209 {
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210 (*current_liboctave_error_handler) ("range error for fill");
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211 return *this;
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212 }
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213
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214 for (octave_idx_type i = 0; i < a_len; i++)
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215 elem (i+beg, i+beg) = a.elem (i);
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216
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217 return *this;
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218 }
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219
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220 FloatComplexDiagMatrix&
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221 FloatComplexDiagMatrix::fill (const FloatComplexRowVector& a, octave_idx_type beg)
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222 {
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223 octave_idx_type a_len = a.length ();
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224 if (beg < 0 || beg + a_len >= length ())
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225 {
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226 (*current_liboctave_error_handler) ("range error for fill");
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227 return *this;
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228 }
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229
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230 for (octave_idx_type i = 0; i < a_len; i++)
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231 elem (i+beg, i+beg) = a.elem (i);
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232
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233 return *this;
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234 }
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235
8366
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236 FloatDiagMatrix
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237 FloatComplexDiagMatrix::abs (void) const
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238 {
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239 return FloatDiagMatrix (extract_diag ().abs (), rows (), columns ());
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240 }
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241
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242 FloatComplexDiagMatrix
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243 conj (const FloatComplexDiagMatrix& a)
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244 {
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245 return FloatComplexDiagMatrix (conj (a.extract_diag ()), a.rows (), a.columns ());
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246 }
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247
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248 // resize is the destructive analog for this one
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249
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250 FloatComplexMatrix
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251 FloatComplexDiagMatrix::extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const
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252 {
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253 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
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254 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
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255
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256 octave_idx_type new_r = r2 - r1 + 1;
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257 octave_idx_type new_c = c2 - c1 + 1;
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258
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259 FloatComplexMatrix result (new_r, new_c);
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260
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261 for (octave_idx_type j = 0; j < new_c; j++)
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262 for (octave_idx_type i = 0; i < new_r; i++)
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263 result.elem (i, j) = elem (r1+i, c1+j);
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264
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265 return result;
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266 }
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267
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268 // extract row or column i.
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269
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270 FloatComplexRowVector
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271 FloatComplexDiagMatrix::row (octave_idx_type i) const
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272 {
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273 octave_idx_type r = rows ();
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274 octave_idx_type c = cols ();
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275 if (i < 0 || i >= r)
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276 {
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277 (*current_liboctave_error_handler) ("invalid row selection");
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278 return FloatComplexRowVector ();
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279 }
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280
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281 FloatComplexRowVector retval (c, 0.0);
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282 if (r <= c || (r > c && i < c))
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283 retval.elem (i) = elem (i, i);
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284
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285 return retval;
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286 }
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287
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288 FloatComplexRowVector
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289 FloatComplexDiagMatrix::row (char *s) const
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290 {
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291 if (! s)
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292 {
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293 (*current_liboctave_error_handler) ("invalid row selection");
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294 return FloatComplexRowVector ();
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295 }
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296
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297 char c = *s;
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298 if (c == 'f' || c == 'F')
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299 return row (static_cast<octave_idx_type>(0));
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300 else if (c == 'l' || c == 'L')
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301 return row (rows () - 1);
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302 else
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303 {
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304 (*current_liboctave_error_handler) ("invalid row selection");
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305 return FloatComplexRowVector ();
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306 }
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307 }
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308
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309 FloatComplexColumnVector
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310 FloatComplexDiagMatrix::column (octave_idx_type i) const
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311 {
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312 octave_idx_type r = rows ();
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313 octave_idx_type c = cols ();
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314 if (i < 0 || i >= c)
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315 {
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316 (*current_liboctave_error_handler) ("invalid column selection");
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317 return FloatComplexColumnVector ();
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318 }
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319
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320 FloatComplexColumnVector retval (r, 0.0);
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321 if (r >= c || (r < c && i < r))
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322 retval.elem (i) = elem (i, i);
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323
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324 return retval;
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325 }
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326
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327 FloatComplexColumnVector
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328 FloatComplexDiagMatrix::column (char *s) const
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329 {
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330 if (! s)
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331 {
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332 (*current_liboctave_error_handler) ("invalid column selection");
11586
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diff changeset
333 return FloatComplexColumnVector ();
7789
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334 }
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335
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336 char c = *s;
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337 if (c == 'f' || c == 'F')
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diff changeset
338 return column (static_cast<octave_idx_type>(0));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
339 else if (c == 'l' || c == 'L')
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
340 return column (cols () - 1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
341 else
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 (*current_liboctave_error_handler) ("invalid column selection");
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
344 return FloatComplexColumnVector ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
345 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
346 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
347
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
348 FloatComplexDiagMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
349 FloatComplexDiagMatrix::inverse (void) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
350 {
8811
20dfb885f877 int -> octave_idx fixes
John W. Eaton <jwe@octave.org>
parents: 8380
diff changeset
351 octave_idx_type info;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
352 return inverse (info);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
353 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
354
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
355 FloatComplexDiagMatrix
8811
20dfb885f877 int -> octave_idx fixes
John W. Eaton <jwe@octave.org>
parents: 8380
diff changeset
356 FloatComplexDiagMatrix::inverse (octave_idx_type& info) const
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
357 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
358 octave_idx_type r = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
359 octave_idx_type c = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
360 if (r != c)
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) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
363 return FloatComplexDiagMatrix ();
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 FloatComplexDiagMatrix retval (r, c);
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 info = 0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
369 for (octave_idx_type i = 0; i < length (); i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
370 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
371 if (elem (i, i) == static_cast<float> (0.0))
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
372 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
373 info = -1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
374 return *this;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
375 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
376 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
377 retval.elem (i, i) = static_cast<float> (1.0) / elem (i, i);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
378 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
379
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
380 return retval;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
381 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
382
8840
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
383 FloatComplexDiagMatrix
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
384 FloatComplexDiagMatrix::pseudo_inverse (void) const
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
385 {
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
386 octave_idx_type r = rows ();
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
387 octave_idx_type c = cols ();
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
388 octave_idx_type len = length ();
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
389
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
390 FloatComplexDiagMatrix retval (c, r);
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
391
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
392 for (octave_idx_type i = 0; i < len; i++)
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
393 {
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
394 if (elem (i, i) != 0.0f)
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
395 retval.elem (i, i) = 1.0f / elem (i, i);
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
396 else
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
397 retval.elem (i, i) = 0.0f;
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
398 }
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
399
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
400 return retval;
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
401 }
c690e3772583 support diagonal matrices in pinv
Jaroslav Hajek <highegg@gmail.com>
parents: 8811
diff changeset
402
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
403 bool
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
404 FloatComplexDiagMatrix::all_elements_are_real (void) const
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
405 {
9825
7483fe200fab narrow complex values with negative zero imaginary parts
Jaroslav Hajek <highegg@gmail.com>
parents: 9812
diff changeset
406 return mx_inline_all_real (length (), data ());
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
407 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
408
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
409 // diagonal matrix by diagonal matrix -> diagonal matrix operations
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 FloatComplexDiagMatrix&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
412 FloatComplexDiagMatrix::operator += (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
413 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
414 octave_idx_type r = rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
415 octave_idx_type c = cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
416
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
417 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
418 octave_idx_type a_nc = a.cols ();
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 if (r != a_nr || c != a_nc)
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 gripe_nonconformant ("operator +=", r, c, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
423 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
424 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
425
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
426 if (r == 0 || c == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
427 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
428
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
429 FloatComplex *d = fortran_vec (); // Ensures only one reference to my privates!
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
430
9550
3d6a9aea2aea refactor binary & bool ops in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9003
diff changeset
431 mx_inline_add2 (length (), d, a.data ());
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
432 return *this;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
433 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
434
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
435 FloatComplexDiagMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
436 operator * (const FloatComplexDiagMatrix& a, const FloatDiagMatrix& b)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
437 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
438 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
439 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
440
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
441 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
442 octave_idx_type b_nc = b.cols ();
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 if (a_nc != b_nr)
9698
7c6d5d8c8d37 fix diag*diag multiplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
445 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
446
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
447 FloatComplexDiagMatrix c (a_nr, b_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
448
9698
7c6d5d8c8d37 fix diag*diag multiplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
449 octave_idx_type len = c.length (), lenm = len < a_nc ? len : a_nc;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
450
9698
7c6d5d8c8d37 fix diag*diag multiplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
451 for (octave_idx_type i = 0; i < lenm; i++)
7c6d5d8c8d37 fix diag*diag multiplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
452 c.dgxelem (i) = a.dgelem (i) * b.dgelem (i);
7c6d5d8c8d37 fix diag*diag multiplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
453 for (octave_idx_type i = lenm; i < len; i++)
7c6d5d8c8d37 fix diag*diag multiplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
454 c.dgxelem (i) = 0.0f;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
455
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
456 return c;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
457 }
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 FloatComplexDiagMatrix
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
460 operator * (const FloatDiagMatrix& a, const FloatComplexDiagMatrix& b)
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 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
463 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
464
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
465 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
466 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
467
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
468 if (a_nc != b_nr)
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 gripe_nonconformant ("operator *", a_nr, a_nc, b_nr, b_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
471 return FloatComplexDiagMatrix ();
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
474 if (a_nr == 0 || a_nc == 0 || b_nc == 0)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
475 return FloatComplexDiagMatrix (a_nr, a_nc, 0.0);
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 FloatComplexDiagMatrix c (a_nr, b_nc);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
478
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
479 octave_idx_type len = a_nr < b_nc ? a_nr : b_nc;
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 for (octave_idx_type i = 0; i < len; i++)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
482 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
483 float a_element = a.elem (i, i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
484 FloatComplex b_element = b.elem (i, i);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
485
8380
dbe67764e628 fix & improve speed of diagonal matrix multiplication
Jaroslav Hajek <highegg@gmail.com>
parents: 8375
diff changeset
486 c.elem (i, i) = a_element * b_element;
7789
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
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
489 return c;
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
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
492 FloatComplexDiagMatrix
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
493 operator * (const FloatComplexDiagMatrix& a, const FloatComplexDiagMatrix& b)
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
494 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
495 octave_idx_type a_nr = a.rows ();
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
496 octave_idx_type a_nc = a.cols ();
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
497
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
498 octave_idx_type b_nr = b.rows ();
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
499 octave_idx_type b_nc = b.cols ();
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
500
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
501 if (a_nc != b_nr)
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
502 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
503 gripe_nonconformant ("operator *", a_nr, a_nc, b_nr, b_nc);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
504 return FloatComplexDiagMatrix ();
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
505 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
506
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
507 if (a_nr == 0 || a_nc == 0 || b_nc == 0)
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
508 return FloatComplexDiagMatrix (a_nr, a_nc, 0.0);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
509
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
510 FloatComplexDiagMatrix c (a_nr, b_nc);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
511
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
512 octave_idx_type len = a_nr < b_nc ? a_nr : b_nc;
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
513
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
514 for (octave_idx_type i = 0; i < len; i++)
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
515 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
516 FloatComplex a_element = a.elem (i, i);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
517 FloatComplex b_element = b.elem (i, i);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
518
8380
dbe67764e628 fix & improve speed of diagonal matrix multiplication
Jaroslav Hajek <highegg@gmail.com>
parents: 8375
diff changeset
519 c.elem (i, i) = a_element * b_element;
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
520 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
521
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
522 return c;
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
523 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
524
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
525 // other operations
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
526
8371
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
527 FloatComplexDET
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
528 FloatComplexDiagMatrix::determinant (void) const
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
529 {
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
530 FloatComplexDET det (1.0f);
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
531 if (rows () != cols ())
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
532 {
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
533 (*current_liboctave_error_handler) ("determinant requires square matrix");
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
534 det = FloatComplexDET (0.0);
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
535 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
536 else
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
537 {
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
538 octave_idx_type len = length ();
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
539 for (octave_idx_type i = 0; i < len; i++)
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
540 det *= elem (i, i);
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
541 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
542
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
543 return det;
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
544 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
545
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
546 float
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
547 FloatComplexDiagMatrix::rcond (void) const
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
548 {
15448
0a0912a9ab6e Replace deprecated DiagArray2<T>::diag calls with DiagArray2<T>::extract_diag
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15271
diff changeset
549 FloatColumnVector av = extract_diag (0).map<float> (std::abs);
8371
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
550 float amx = av.max (), amn = av.min ();
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
551 return amx == 0 ? 0.0f : amn / amx;
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
552 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8366
diff changeset
553
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
554 // i/o
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
555
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
556 std::ostream&
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
557 operator << (std::ostream& os, const FloatComplexDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
558 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
559 FloatComplex ZERO (0.0);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
560 // int field_width = os.precision () + 7;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
561 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
562 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
563 for (octave_idx_type j = 0; j < a.cols (); j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
564 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
565 if (i == j)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
566 os << " " /* setw (field_width) */ << a.elem (i, i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
567 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
568 os << " " /* setw (field_width) */ << ZERO;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
569 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
570 os << "\n";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
571 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
572 return os;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
573 }