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annotate src/sparse-xdiv.cc @ 12312:b10ea6efdc58 release-3-4-x ss-3-3-91

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version is now 3.3.91
author John W. Eaton <jwe@octave.org>
date Mon, 31 Jan 2011 08:36:58 -0500
parents 12df7854fa7c
children 72c96de7a403
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2004-2011 David Bateman
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4 Copyright (C) 1998-2004 Andy Adler
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include <cassert>
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29
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30 #include "Array-util.h"
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31 #include "oct-cmplx.h"
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32 #include "quit.h"
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33 #include "error.h"
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34 #include "lo-ieee.h"
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35
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36 #include "dSparse.h"
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37 #include "dDiagMatrix.h"
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38 #include "CSparse.h"
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39 #include "CDiagMatrix.h"
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40 #include "oct-spparms.h"
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41 #include "sparse-xdiv.h"
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42
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43 static void
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44 solve_singularity_warning (double rcond)
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45 {
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46 warning ("matrix singular to machine precision, rcond = %g", rcond);
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47 warning ("attempting to find minimum norm solution");
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48 }
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49
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50 template <class T1, class T2>
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51 bool
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52 mx_leftdiv_conform (const T1& a, const T2& b)
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53 {
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54 octave_idx_type a_nr = a.rows ();
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55 octave_idx_type b_nr = b.rows ();
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56
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57 if (a_nr != b_nr)
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58 {
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59 octave_idx_type a_nc = a.cols ();
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60 octave_idx_type b_nc = b.cols ();
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61
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62 gripe_nonconformant ("operator \\", a_nr, a_nc, b_nr, b_nc);
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63 return false;
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64 }
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65
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66 return true;
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67 }
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68
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69 #define INSTANTIATE_MX_LEFTDIV_CONFORM(T1, T2) \
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70 template bool mx_leftdiv_conform (const T1&, const T2&)
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71
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72 INSTANTIATE_MX_LEFTDIV_CONFORM (SparseMatrix, SparseMatrix);
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73 INSTANTIATE_MX_LEFTDIV_CONFORM (SparseMatrix, SparseComplexMatrix);
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74 INSTANTIATE_MX_LEFTDIV_CONFORM (SparseComplexMatrix, SparseMatrix);
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75 INSTANTIATE_MX_LEFTDIV_CONFORM (SparseComplexMatrix, SparseComplexMatrix);
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76 INSTANTIATE_MX_LEFTDIV_CONFORM (SparseMatrix, Matrix);
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77 INSTANTIATE_MX_LEFTDIV_CONFORM (SparseMatrix, ComplexMatrix);
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78 INSTANTIATE_MX_LEFTDIV_CONFORM (SparseComplexMatrix, Matrix);
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79 INSTANTIATE_MX_LEFTDIV_CONFORM (SparseComplexMatrix, ComplexMatrix);
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80 INSTANTIATE_MX_LEFTDIV_CONFORM (DiagMatrix, SparseMatrix);
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81 INSTANTIATE_MX_LEFTDIV_CONFORM (DiagMatrix, SparseComplexMatrix);
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82 INSTANTIATE_MX_LEFTDIV_CONFORM (ComplexDiagMatrix, SparseMatrix);
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83 INSTANTIATE_MX_LEFTDIV_CONFORM (ComplexDiagMatrix, SparseComplexMatrix);
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84
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85 template <class T1, class T2>
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86 bool
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87 mx_div_conform (const T1& a, const T2& b)
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88 {
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89 octave_idx_type a_nc = a.cols ();
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90 octave_idx_type b_nc = b.cols ();
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91
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92 if (a_nc != b_nc)
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93 {
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94 octave_idx_type a_nr = a.rows ();
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95 octave_idx_type b_nr = b.rows ();
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96
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97 gripe_nonconformant ("operator /", a_nr, a_nc, b_nr, b_nc);
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98 return false;
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99 }
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100
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101 return true;
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102 }
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103
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104 #define INSTANTIATE_MX_DIV_CONFORM(T1, T2) \
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105 template bool mx_div_conform (const T1&, const T2&)
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106
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107 INSTANTIATE_MX_DIV_CONFORM (SparseMatrix, SparseMatrix);
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108 INSTANTIATE_MX_DIV_CONFORM (SparseMatrix, SparseComplexMatrix);
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109 INSTANTIATE_MX_DIV_CONFORM (SparseComplexMatrix, SparseMatrix);
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110 INSTANTIATE_MX_DIV_CONFORM (SparseComplexMatrix, SparseComplexMatrix);
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111 INSTANTIATE_MX_DIV_CONFORM (Matrix, SparseMatrix);
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112 INSTANTIATE_MX_DIV_CONFORM (Matrix, SparseComplexMatrix);
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113 INSTANTIATE_MX_DIV_CONFORM (ComplexMatrix, SparseMatrix);
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114 INSTANTIATE_MX_DIV_CONFORM (ComplexMatrix, SparseComplexMatrix);
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115 INSTANTIATE_MX_DIV_CONFORM (SparseMatrix, DiagMatrix);
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116 INSTANTIATE_MX_DIV_CONFORM (SparseMatrix, ComplexDiagMatrix);
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117 INSTANTIATE_MX_DIV_CONFORM (SparseComplexMatrix, DiagMatrix);
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118 INSTANTIATE_MX_DIV_CONFORM (SparseComplexMatrix, ComplexDiagMatrix);
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119
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120 // Right division functions. X / Y = X * inv(Y) = (inv (Y') * X')'
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121 //
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122 // Y / X: m cm sm scm
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123 // +-- +---+----+----+----+
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124 // sparse matrix | 1 | 3 | 5 | 7 |
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125 // +---+----+----+----+
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126 // sparse complex_matrix | 2 | 4 | 6 | 8 |
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127 // +---+----+----+----+
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128 // diagonal matrix | 9 | 11 |
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129 // +----+----+
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130 // complex diag. matrix | 10 | 12 |
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131 // +----+----+
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132
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133 // -*- 1 -*-
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134 Matrix
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135 xdiv (const Matrix& a, const SparseMatrix& b, MatrixType &typ)
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136 {
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137 if (! mx_div_conform (a, b))
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138 return Matrix ();
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139
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140 Matrix atmp = a.transpose ();
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141 SparseMatrix btmp = b.transpose ();
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142 MatrixType btyp = typ.transpose ();
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143
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144 octave_idx_type info;
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145 double rcond = 0.0;
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146 Matrix result = btmp.solve (btyp, atmp, info, rcond,
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147 solve_singularity_warning);
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148
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149 typ = btyp.transpose ();
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150 return result.transpose ();
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151 }
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152
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153 // -*- 2 -*-
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154 ComplexMatrix
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155 xdiv (const Matrix& a, const SparseComplexMatrix& b, MatrixType &typ)
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156 {
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157 if (! mx_div_conform (a, b))
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158 return ComplexMatrix ();
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159
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160 Matrix atmp = a.transpose ();
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161 SparseComplexMatrix btmp = b.hermitian ();
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162 MatrixType btyp = typ.transpose ();
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163
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164 octave_idx_type info;
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165 double rcond = 0.0;
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166 ComplexMatrix result
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167 = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning);
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168
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169 typ = btyp.transpose ();
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170 return result.hermitian ();
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171 }
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172
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173 // -*- 3 -*-
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174 ComplexMatrix
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175 xdiv (const ComplexMatrix& a, const SparseMatrix& b, MatrixType &typ)
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176 {
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177 if (! mx_div_conform (a, b))
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178 return ComplexMatrix ();
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179
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180 ComplexMatrix atmp = a.hermitian ();
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181 SparseMatrix btmp = b.transpose ();
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182 MatrixType btyp = typ.transpose ();
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183
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184 octave_idx_type info;
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185 double rcond = 0.0;
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186 ComplexMatrix result
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187 = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning);
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188
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189 typ = btyp.transpose ();
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190 return result.hermitian ();
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191 }
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192
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193 // -*- 4 -*-
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194 ComplexMatrix
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195 xdiv (const ComplexMatrix& a, const SparseComplexMatrix& b, MatrixType &typ)
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196 {
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197 if (! mx_div_conform (a, b))
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198 return ComplexMatrix ();
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199
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200 ComplexMatrix atmp = a.hermitian ();
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201 SparseComplexMatrix btmp = b.hermitian ();
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202 MatrixType btyp = typ.transpose ();
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203
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204 octave_idx_type info;
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205 double rcond = 0.0;
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206 ComplexMatrix result
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207 = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning);
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208
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209 typ = btyp.transpose ();
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210 return result.hermitian ();
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211 }
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212
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213 // -*- 5 -*-
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214 SparseMatrix
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215 xdiv (const SparseMatrix& a, const SparseMatrix& b, MatrixType &typ)
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216 {
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217 if (! mx_div_conform (a, b))
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218 return SparseMatrix ();
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219
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220 SparseMatrix atmp = a.transpose ();
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221 SparseMatrix btmp = b.transpose ();
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222 MatrixType btyp = typ.transpose ();
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223
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224 octave_idx_type info;
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225 double rcond = 0.0;
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226 SparseMatrix result = btmp.solve (btyp, atmp, info, rcond,
10315
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227 solve_singularity_warning);
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228
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229 typ = btyp.transpose ();
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230 return result.transpose ();
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231 }
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232
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233 // -*- 6 -*-
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234 SparseComplexMatrix
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235 xdiv (const SparseMatrix& a, const SparseComplexMatrix& b, MatrixType &typ)
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236 {
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237 if (! mx_div_conform (a, b))
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238 return SparseComplexMatrix ();
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239
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240 SparseMatrix atmp = a.transpose ();
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241 SparseComplexMatrix btmp = b.hermitian ();
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242 MatrixType btyp = typ.transpose ();
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243
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244 octave_idx_type info;
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245 double rcond = 0.0;
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246 SparseComplexMatrix result
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247 = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning);
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248
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249 typ = btyp.transpose ();
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250 return result.hermitian ();
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251 }
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252
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253 // -*- 7 -*-
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254 SparseComplexMatrix
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255 xdiv (const SparseComplexMatrix& a, const SparseMatrix& b, MatrixType &typ)
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256 {
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257 if (! mx_div_conform (a, b))
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258 return SparseComplexMatrix ();
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259
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260 SparseComplexMatrix atmp = a.hermitian ();
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261 SparseMatrix btmp = b.transpose ();
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262 MatrixType btyp = typ.transpose ();
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263
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264 octave_idx_type info;
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265 double rcond = 0.0;
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266 SparseComplexMatrix result
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267 = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning);
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268
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269 typ = btyp.transpose ();
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270 return result.hermitian ();
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271 }
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272
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273 // -*- 8 -*-
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274 SparseComplexMatrix
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275 xdiv (const SparseComplexMatrix& a, const SparseComplexMatrix& b, MatrixType &typ)
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276 {
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277 if (! mx_div_conform (a, b))
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278 return SparseComplexMatrix ();
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279
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280 SparseComplexMatrix atmp = a.hermitian ();
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281 SparseComplexMatrix btmp = b.hermitian ();
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282 MatrixType btyp = typ.transpose ();
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283
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284 octave_idx_type info;
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285 double rcond = 0.0;
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286 SparseComplexMatrix result
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287 = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning);
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288
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289 typ = btyp.transpose ();
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290 return result.hermitian ();
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291 }
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292
8965
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diff changeset
293 template <typename RT, typename SM, typename DM>
42aff15e059b Implement diag \ sparse and sparse / diag.
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294 RT do_rightdiv_sm_dm (const SM& a, const DM& d)
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295 {
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
296 const octave_idx_type d_nr = d.rows ();
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297
42aff15e059b Implement diag \ sparse and sparse / diag.
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298 const octave_idx_type a_nr = a.rows ();
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299 const octave_idx_type a_nc = a.cols ();
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300
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
301 using std::min;
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302 const octave_idx_type nc = min (d_nr, a_nc);
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303
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
304 if ( ! mx_div_conform (a, d))
42aff15e059b Implement diag \ sparse and sparse / diag.
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305 return RT ();
42aff15e059b Implement diag \ sparse and sparse / diag.
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306
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
307 const octave_idx_type nz = a.nnz ();
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
308 RT r (a_nr, nc, nz);
42aff15e059b Implement diag \ sparse and sparse / diag.
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309
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310 typedef typename DM::element_type DM_elt_type;
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311 const DM_elt_type zero = DM_elt_type ();
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42aff15e059b Implement diag \ sparse and sparse / diag.
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312
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
313 octave_idx_type k_result = 0;
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
314 for (octave_idx_type j = 0; j < nc; ++j)
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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diff changeset
315 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9245
diff changeset
316 octave_quit ();
9196
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diff changeset
317 const DM_elt_type s = d.dgelem (j);
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318 const octave_idx_type colend = a.cidx (j+1);
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diff changeset
319 r.xcidx (j) = k_result;
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diff changeset
320 if (s != zero)
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321 for (octave_idx_type k = a.cidx (j); k < colend; ++k)
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322 {
57a59eae83cc untabify src C++ source files
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323 r.xdata (k_result) = a.data (k) / s;
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parents: 10160
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324 r.xridx (k_result) = a.ridx (k);
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325 ++k_result;
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326 }
8965
42aff15e059b Implement diag \ sparse and sparse / diag.
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327 }
42aff15e059b Implement diag \ sparse and sparse / diag.
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328 r.xcidx (nc) = k_result;
42aff15e059b Implement diag \ sparse and sparse / diag.
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329
42aff15e059b Implement diag \ sparse and sparse / diag.
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330 r.maybe_compress (true);
42aff15e059b Implement diag \ sparse and sparse / diag.
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331 return r;
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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diff changeset
332 }
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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333
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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diff changeset
334 // -*- 9 -*-
42aff15e059b Implement diag \ sparse and sparse / diag.
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335 SparseMatrix
42aff15e059b Implement diag \ sparse and sparse / diag.
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336 xdiv (const SparseMatrix& a, const DiagMatrix& b, MatrixType &)
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337 {
42aff15e059b Implement diag \ sparse and sparse / diag.
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338 return do_rightdiv_sm_dm<SparseMatrix> (a, b);
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339 }
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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340
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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diff changeset
341 // -*- 10 -*-
42aff15e059b Implement diag \ sparse and sparse / diag.
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342 SparseComplexMatrix
42aff15e059b Implement diag \ sparse and sparse / diag.
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343 xdiv (const SparseMatrix& a, const ComplexDiagMatrix& b, MatrixType &)
42aff15e059b Implement diag \ sparse and sparse / diag.
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344 {
42aff15e059b Implement diag \ sparse and sparse / diag.
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345 return do_rightdiv_sm_dm<SparseComplexMatrix> (a, b);
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346 }
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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347
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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diff changeset
348 // -*- 11 -*-
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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diff changeset
349 SparseComplexMatrix
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diff changeset
350 xdiv (const SparseComplexMatrix& a, const DiagMatrix& b, MatrixType &)
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
351 {
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
352 return do_rightdiv_sm_dm<SparseComplexMatrix> (a, b);
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
353 }
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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354
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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diff changeset
355 // -*- 12 -*-
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
356 SparseComplexMatrix
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
357 xdiv (const SparseComplexMatrix& a, const ComplexDiagMatrix& b, MatrixType &)
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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diff changeset
358 {
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
359 return do_rightdiv_sm_dm<SparseComplexMatrix> (a, b);
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Jason Riedy <jason@acm.org>
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360 }
42aff15e059b Implement diag \ sparse and sparse / diag.
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diff changeset
361
5164
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362 // Funny element by element division operations.
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
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diff changeset
363 //
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
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diff changeset
364 // op2 \ op1: s cs
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jwe
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diff changeset
365 // +-- +---+----+
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
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366 // matrix | 1 | 3 |
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367 // +---+----+
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368 // complex_matrix | 2 | 4 |
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369 // +---+----+
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370
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
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diff changeset
371 Matrix
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
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diff changeset
372 x_el_div (double a, const SparseMatrix& b)
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diff changeset
373 {
5275
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diff changeset
374 octave_idx_type nr = b.rows ();
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diff changeset
375 octave_idx_type nc = b.cols ();
5164
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diff changeset
376
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
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diff changeset
377 Matrix result;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
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diff changeset
378 if (a == 0.)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
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diff changeset
379 result = Matrix (nr, nc, octave_NaN);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
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diff changeset
380 else if (a > 0.)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
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diff changeset
381 result = Matrix (nr, nc, octave_Inf);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
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diff changeset
382 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
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diff changeset
383 result = Matrix (nr, nc, -octave_Inf);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
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diff changeset
384
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
385
5275
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diff changeset
386 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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diff changeset
387 for (octave_idx_type i = b.cidx(j); i < b.cidx(j+1); i++)
5164
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diff changeset
388 {
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diff changeset
389 octave_quit ();
57a59eae83cc untabify src C++ source files
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parents: 10160
diff changeset
390 result.elem (b.ridx(i), j) = a / b.data (i);
5164
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diff changeset
391 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
392
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
393 return result;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
394 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
395
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
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diff changeset
396 ComplexMatrix
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
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diff changeset
397 x_el_div (double a, const SparseComplexMatrix& b)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
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parents:
diff changeset
398 {
5275
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diff changeset
399 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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diff changeset
400 octave_idx_type nc = b.cols ();
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
401
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
402 ComplexMatrix result (nr, nc, Complex(octave_NaN, octave_NaN));
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
403
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5164
diff changeset
404 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
405 for (octave_idx_type i = b.cidx(j); i < b.cidx(j+1); i++)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
406 {
10315
57a59eae83cc untabify src C++ source files
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diff changeset
407 octave_quit ();
57a59eae83cc untabify src C++ source files
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parents: 10160
diff changeset
408 result.elem (b.ridx(i), j) = a / b.data (i);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
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diff changeset
409 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
410
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
411 return result;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
412 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
413
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
414 ComplexMatrix
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
415 x_el_div (const Complex a, const SparseMatrix& b)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
416 {
5275
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parents: 5164
diff changeset
417 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
418 octave_idx_type nc = b.cols ();
5164
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parents:
diff changeset
419
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
420 ComplexMatrix result (nr, nc, (a / 0.0));
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
421
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5164
diff changeset
422 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
423 for (octave_idx_type i = b.cidx(j); i < b.cidx(j+1); i++)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
424 {
10315
57a59eae83cc untabify src C++ source files
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diff changeset
425 octave_quit ();
57a59eae83cc untabify src C++ source files
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parents: 10160
diff changeset
426 result.elem (b.ridx(i), j) = a / b.data (i);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
427 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
428
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
429 return result;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
430 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
431
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
432 ComplexMatrix
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
433 x_el_div (const Complex a, const SparseComplexMatrix& b)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
434 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
435 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
436 octave_idx_type nc = b.cols ();
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
437
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
438 ComplexMatrix result (nr, nc, (a / 0.0));
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
439
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
440 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
441 for (octave_idx_type i = b.cidx(j); i < b.cidx(j+1); i++)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
442 {
10315
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parents: 10160
diff changeset
443 octave_quit ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
444 result.elem (b.ridx(i), j) = a / b.data (i);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
445 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
446
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
447 return result;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
448 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
449
8965
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
450 // Left division functions. X \ Y = inv(X) * Y
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
451 //
8965
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
452 // Y \ X : sm scm dm dcm
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
453 // +-- +---+----+
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
454 // matrix | 1 | 5 |
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
455 // +---+----+
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
456 // complex_matrix | 2 | 6 |
8965
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
457 // +---+----+----+----+
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
458 // sparse matrix | 3 | 7 | 9 | 11 |
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
459 // +---+----+----+----+
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
460 // sparse complex_matrix | 4 | 8 | 10 | 12 |
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
461 // +---+----+----+----+
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
462
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
463 // -*- 1 -*-
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
464 Matrix
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5681
diff changeset
465 xleftdiv (const SparseMatrix& a, const Matrix& b, MatrixType &typ)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
466 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
467 if (! mx_leftdiv_conform (a, b))
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
468 return Matrix ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
469
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
470 octave_idx_type info;
5681
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
471 double rcond = 0.0;
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
472 return a.solve (typ, b, info, rcond, solve_singularity_warning);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
473 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
474
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
475 // -*- 2 -*-
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
476 ComplexMatrix
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5681
diff changeset
477 xleftdiv (const SparseMatrix& a, const ComplexMatrix& b, MatrixType &typ)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
478 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
479 if (! mx_leftdiv_conform (a, b))
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
480 return ComplexMatrix ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
481
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
482 octave_idx_type info;
5681
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
483 double rcond = 0.0;
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
484 return a.solve (typ, b, info, rcond, solve_singularity_warning);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
485 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
486
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
487 // -*- 3 -*-
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
488 SparseMatrix
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5681
diff changeset
489 xleftdiv (const SparseMatrix& a, const SparseMatrix& b, MatrixType &typ)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
490 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
491 if (! mx_leftdiv_conform (a, b))
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
492 return SparseMatrix ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
493
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
494 octave_idx_type info;
5681
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
495 double rcond = 0.0;
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
496 return a.solve (typ, b, info, rcond, solve_singularity_warning);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
497 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
498
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
499 // -*- 4 -*-
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
500 SparseComplexMatrix
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5681
diff changeset
501 xleftdiv (const SparseMatrix& a, const SparseComplexMatrix& b, MatrixType &typ)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
502 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
503 if (! mx_leftdiv_conform (a, b))
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
504 return SparseComplexMatrix ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
505
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
506 octave_idx_type info;
5681
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
507 double rcond = 0.0;
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
508 return a.solve (typ, b, info, rcond, solve_singularity_warning);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
509 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
510
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
511 // -*- 5 -*-
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
512 ComplexMatrix
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5681
diff changeset
513 xleftdiv (const SparseComplexMatrix& a, const Matrix& b, MatrixType &typ)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
514 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
515 if (! mx_leftdiv_conform (a, b))
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
516 return ComplexMatrix ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
517
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
518 octave_idx_type info;
5681
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
519 double rcond = 0.0;
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
520 return a.solve (typ, b, info, rcond, solve_singularity_warning);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
521 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
522
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
523 // -*- 6 -*-
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
524 ComplexMatrix
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5681
diff changeset
525 xleftdiv (const SparseComplexMatrix& a, const ComplexMatrix& b, MatrixType &typ)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
526 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
527 if (! mx_leftdiv_conform (a, b))
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
528 return ComplexMatrix ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
529
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
530 octave_idx_type info;
5681
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
531 double rcond = 0.0;
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
532 return a.solve (typ, b, info, rcond, solve_singularity_warning);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
533 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
534
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
535 // -*- 7 -*-
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
536 SparseComplexMatrix
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5681
diff changeset
537 xleftdiv (const SparseComplexMatrix& a, const SparseMatrix& b, MatrixType &typ)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
538 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
539 if (! mx_leftdiv_conform (a, b))
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
540 return SparseComplexMatrix ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
541
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
542 octave_idx_type info;
5681
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
543 double rcond = 0.0;
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
544 return a.solve (typ, b, info, rcond, solve_singularity_warning);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
545 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
546
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
547 // -*- 8 -*-
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
548 SparseComplexMatrix
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
549 xleftdiv (const SparseComplexMatrix& a, const SparseComplexMatrix& b,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
550 MatrixType &typ)
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
551 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
552 if (! mx_leftdiv_conform (a, b))
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
553 return SparseComplexMatrix ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
554
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5164
diff changeset
555 octave_idx_type info;
5681
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
556 double rcond = 0.0;
233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman]
dbateman
parents: 5610
diff changeset
557 return a.solve (typ, b, info, rcond, solve_singularity_warning);
5164
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
558 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe]
jwe
parents:
diff changeset
559
8965
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
560 template <typename RT, typename DM, typename SM>
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
561 RT do_leftdiv_dm_sm (const DM& d, const SM& a)
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
562 {
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
563 const octave_idx_type a_nr = a.rows ();
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
564 const octave_idx_type a_nc = a.cols ();
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
565
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
566 const octave_idx_type d_nc = d.cols ();
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
567
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
568 using std::min;
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
569 const octave_idx_type nr = min (d_nc, a_nr);
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
570
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
571 if ( ! mx_leftdiv_conform (d, a))
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
572 return RT ();
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
573
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
574 const octave_idx_type nz = a.nnz ();
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
575 RT r (nr, a_nc, nz);
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
576
9196
c229bfb14d8d avoid apparent MSVC bug with typedef
John W. Eaton <jwe@octave.org>
parents: 9003
diff changeset
577 typedef typename DM::element_type DM_elt_type;
c229bfb14d8d avoid apparent MSVC bug with typedef
John W. Eaton <jwe@octave.org>
parents: 9003
diff changeset
578 const DM_elt_type zero = DM_elt_type ();
8965
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
579
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
580 octave_idx_type k_result = 0;
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
581 for (octave_idx_type j = 0; j < a_nc; ++j)
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
582 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9245
diff changeset
583 octave_quit ();
8965
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
584 const octave_idx_type colend = a.cidx (j+1);
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
585 r.xcidx (j) = k_result;
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
586 for (octave_idx_type k = a.cidx (j); k < colend; ++k)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
587 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
588 const octave_idx_type i = a.ridx (k);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
589 if (i < nr)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
590 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
591 const DM_elt_type s = d.dgelem (i);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
592 if (s != zero)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
593 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
594 r.xdata (k_result) = a.data (k) / s;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
595 r.xridx (k_result) = i;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
596 ++k_result;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
597 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
598 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
599 }
8965
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
600 }
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
601 r.xcidx (a_nc) = k_result;
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
602
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
603 r.maybe_compress (true);
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
604 return r;
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
605 }
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
diff changeset
606
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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607 // -*- 9 -*-
42aff15e059b Implement diag \ sparse and sparse / diag.
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608 SparseMatrix
42aff15e059b Implement diag \ sparse and sparse / diag.
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609 xleftdiv (const DiagMatrix& d, const SparseMatrix& a, MatrixType&)
42aff15e059b Implement diag \ sparse and sparse / diag.
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610 {
42aff15e059b Implement diag \ sparse and sparse / diag.
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611 return do_leftdiv_dm_sm<SparseMatrix> (d, a);
42aff15e059b Implement diag \ sparse and sparse / diag.
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parents: 7017
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612 }
42aff15e059b Implement diag \ sparse and sparse / diag.
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613
42aff15e059b Implement diag \ sparse and sparse / diag.
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614 // -*- 10 -*-
42aff15e059b Implement diag \ sparse and sparse / diag.
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615 SparseComplexMatrix
42aff15e059b Implement diag \ sparse and sparse / diag.
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616 xleftdiv (const DiagMatrix& d, const SparseComplexMatrix& a, MatrixType&)
42aff15e059b Implement diag \ sparse and sparse / diag.
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617 {
42aff15e059b Implement diag \ sparse and sparse / diag.
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parents: 7017
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618 return do_leftdiv_dm_sm<SparseComplexMatrix> (d, a);
42aff15e059b Implement diag \ sparse and sparse / diag.
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parents: 7017
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619 }
42aff15e059b Implement diag \ sparse and sparse / diag.
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620
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
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621 // -*- 11 -*-
42aff15e059b Implement diag \ sparse and sparse / diag.
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622 SparseComplexMatrix
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
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623 xleftdiv (const ComplexDiagMatrix& d, const SparseMatrix& a, MatrixType&)
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
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624 {
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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625 return do_leftdiv_dm_sm<SparseComplexMatrix> (d, a);
42aff15e059b Implement diag \ sparse and sparse / diag.
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parents: 7017
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626 }
42aff15e059b Implement diag \ sparse and sparse / diag.
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627
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
parents: 7017
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628 // -*- 12 -*-
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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629 SparseComplexMatrix
42aff15e059b Implement diag \ sparse and sparse / diag.
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630 xleftdiv (const ComplexDiagMatrix& d, const SparseComplexMatrix& a, MatrixType&)
42aff15e059b Implement diag \ sparse and sparse / diag.
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631 {
42aff15e059b Implement diag \ sparse and sparse / diag.
Jason Riedy <jason@acm.org>
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632 return do_leftdiv_dm_sm<SparseComplexMatrix> (d, a);
42aff15e059b Implement diag \ sparse and sparse / diag.
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633 }