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annotate src/ov-cx-diag.cc @ 8366:8b1a2555c4e2

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implement diagonal matrix objects * * *
author Jaroslav Hajek <highegg@gmail.com>
date Wed, 03 Dec 2008 13:32:57 +0100
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children ad896677a2e2
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8366
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1 /*
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2
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3 Copyright (C) 2008 Jaroslav Hajek
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include "ov-cx-diag.h"
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28 #include "ov-flt-cx-diag.h"
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29 #include "ov-re-diag.h"
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30 #include "ov-base-diag.cc"
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31 #include "ov-complex.h"
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32 #include "ov-cx-mat.h"
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33
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34 template class octave_base_diag<ComplexDiagMatrix, ComplexMatrix>;
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35
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36 DEFINE_OCTAVE_ALLOCATOR (octave_complex_diag_matrix);
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37
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38 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_complex_diag_matrix,
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39 "complex diagonal matrix", "double");
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40
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41 static octave_base_value *
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42 default_numeric_conversion_function (const octave_base_value& a)
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43 {
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44 CAST_CONV_ARG (const octave_complex_diag_matrix&);
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45
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46 return new octave_complex_matrix (v.complex_matrix_value ());
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47 }
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48
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49 octave_base_value::type_conv_info
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50 octave_complex_diag_matrix::numeric_conversion_function (void) const
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51 {
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52 return octave_base_value::type_conv_info (default_numeric_conversion_function,
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53 octave_complex_matrix::static_type_id ());
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54 }
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55
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56 static octave_base_value *
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57 default_numeric_demotion_function (const octave_base_value& a)
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58 {
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59 CAST_CONV_ARG (const octave_complex_diag_matrix&);
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60
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61 return new octave_float_complex_diag_matrix (v.float_complex_diag_matrix_value ());
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62 }
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63
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64 octave_base_value::type_conv_info
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65 octave_complex_diag_matrix::numeric_demotion_function (void) const
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66 {
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67 return octave_base_value::type_conv_info (default_numeric_demotion_function,
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68 octave_float_complex_diag_matrix::static_type_id ());
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69 }
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70
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71 octave_base_value *
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72 octave_complex_diag_matrix::try_narrowing_conversion (void)
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73 {
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74 octave_base_value *retval = 0;
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75
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76 if (matrix.nelem () == 1)
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77 {
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78 // FIXME: the proxy mechanism of DiagArray2 causes problems here.
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79 retval = new octave_complex (Complex (matrix (0, 0)));
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80 octave_base_value *rv2 = retval->try_narrowing_conversion ();
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81 if (rv2)
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82 {
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83 delete retval;
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84 retval = rv2;
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85 }
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86 }
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87 else if (matrix.all_elements_are_real ())
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88 {
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89 return new octave_diag_matrix (::real (matrix));
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90 }
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91
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92 return retval;
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93 }
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94
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95 DiagMatrix
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96 octave_complex_diag_matrix::diag_matrix_value (bool force_conversion) const
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97 {
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98 DiagMatrix retval;
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99
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100 if (! force_conversion)
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101 gripe_implicit_conversion ("Octave:imag-to-real",
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102 type_name (), "real matrix");
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103
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104 retval = ::real (matrix);
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105
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106 return retval;
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107 }
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108
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109 FloatDiagMatrix
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110 octave_complex_diag_matrix::float_diag_matrix_value (bool force_conversion) const
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111 {
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112 DiagMatrix retval;
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113
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114 if (! force_conversion)
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115 gripe_implicit_conversion ("Octave:imag-to-real",
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116 type_name (), "real matrix");
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117
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118 retval = ::real (matrix);
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119
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120 return retval;
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121 }
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122
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123 ComplexDiagMatrix
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124 octave_complex_diag_matrix::complex_diag_matrix_value (bool) const
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125 {
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126 return matrix;
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127 }
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128
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129 FloatComplexDiagMatrix
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130 octave_complex_diag_matrix::float_complex_diag_matrix_value (bool) const
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131 {
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132 return FloatComplexDiagMatrix (matrix);
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133 }
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134
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135 octave_value
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136 octave_complex_diag_matrix::abs (void) const
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137 {
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138 return matrix.abs ();
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139 }
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140
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141 octave_value
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142 octave_complex_diag_matrix::real (void) const
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143 {
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144 return ::real (matrix);
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145 }
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146
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147 octave_value
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148 octave_complex_diag_matrix::conj (void) const
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149 {
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150 return ::conj (matrix);
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151 }
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152
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153 octave_value
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154 octave_complex_diag_matrix::imag (void) const
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155 {
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
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156 return ::imag (matrix);
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
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157 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
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158