Mercurial > octave
annotate libinterp/octave-value/ov-flt-complex.cc @ 30564:796f54d4ddbf stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
In all .txi and .texi files except gpl.txi and gpl.texi in the
doc/liboctave and doc/interpreter directories, change the copyright
to "Octave Project Developers", the same as used for other source
files. Update copyright notices for 2022 (not done since 2019). For
gpl.txi and gpl.texi, change the copyright notice to be "Free Software
Foundation, Inc." and leave the date at 2007 only because this file
only contains the text of the GPL, not anything created by the Octave
Project Developers.
Add Paul Thomas to contributors.in.
author | John W. Eaton <jwe@octave.org> |
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date | Tue, 28 Dec 2021 18:22:40 -0500 |
parents | 0169ffb3fe5d |
children | 83f9f8bda883 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2022 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
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28 #endif |
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29 |
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30 #include <istream> |
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31 #include <ostream> |
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32 |
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33 #include "lo-ieee.h" |
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34 #include "lo-specfun.h" |
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35 #include "lo-mappers.h" |
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36 |
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37 #include "mxarray.h" |
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38 #include "ovl.h" |
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39 #include "oct-hdf5.h" |
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40 #include "oct-stream.h" |
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41 #include "ops.h" |
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42 #include "ov-complex.h" |
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43 #include "ov-base.h" |
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44 #include "ov-base-scalar.h" |
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45 #include "ov-base-scalar.cc" |
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46 #include "ov-flt-cx-mat.h" |
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47 #include "ov-float.h" |
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48 #include "ov-flt-complex.h" |
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49 #include "errwarn.h" |
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50 #include "pr-output.h" |
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51 #include "ops.h" |
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52 |
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53 #include "ls-oct-text.h" |
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54 #include "ls-hdf5.h" |
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55 |
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56 // Prevent implicit instantiations on some systems (Windows, others?) |
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57 // that can lead to duplicate definitions of static data members. |
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58 |
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59 extern template class octave_base_scalar<float>; |
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60 |
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61 template class octave_base_scalar<FloatComplex>; |
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62 |
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63 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_float_complex, |
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64 "float complex scalar", "single"); |
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65 |
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66 octave_base_value * |
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67 octave_float_complex::try_narrowing_conversion (void) |
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68 { |
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69 octave_base_value *retval = nullptr; |
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70 |
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71 float im = scalar.imag (); |
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72 |
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73 if (im == 0.0) |
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74 retval = new octave_float_scalar (scalar.real ()); |
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75 |
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76 return retval; |
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77 } |
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78 |
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79 octave_value |
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80 octave_float_complex::do_index_op (const octave_value_list& idx, bool resize_ok) |
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81 { |
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82 // FIXME: this doesn't solve the problem of |
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83 // |
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84 // a = i; a([1,1], [1,1], [1,1]) |
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85 // |
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86 // and similar constructions. Hmm... |
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87 |
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88 // FIXME: using this constructor avoids narrowing the |
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89 // 1x1 matrix back to a scalar value. Need a better solution |
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90 // to this problem. |
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91 |
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92 octave_value tmp (new octave_float_complex_matrix (float_complex_matrix_value ())); |
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93 |
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94 return tmp.index_op (idx, resize_ok); |
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95 } |
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96 |
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97 double |
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98 octave_float_complex::double_value (bool force_conversion) const |
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99 { |
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100 if (! force_conversion) |
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101 warn_implicit_conversion ("Octave:imag-to-real", |
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102 "complex scalar", "real scalar"); |
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103 |
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104 return scalar.real (); |
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105 } |
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106 |
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107 float |
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108 octave_float_complex::float_value (bool force_conversion) const |
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109 { |
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110 if (! force_conversion) |
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111 warn_implicit_conversion ("Octave:imag-to-real", |
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112 "complex scalar", "real scalar"); |
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113 |
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114 return scalar.real (); |
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115 } |
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116 |
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117 Matrix |
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118 octave_float_complex::matrix_value (bool force_conversion) const |
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119 { |
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120 Matrix retval; |
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121 |
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122 if (! force_conversion) |
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123 warn_implicit_conversion ("Octave:imag-to-real", |
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124 "complex scalar", "real matrix"); |
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125 |
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126 retval = Matrix (1, 1, scalar.real ()); |
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127 |
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128 return retval; |
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129 } |
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130 |
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131 FloatMatrix |
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132 octave_float_complex::float_matrix_value (bool force_conversion) const |
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133 { |
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134 FloatMatrix retval; |
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135 |
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136 if (! force_conversion) |
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137 warn_implicit_conversion ("Octave:imag-to-real", |
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138 "complex scalar", "real matrix"); |
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139 |
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140 retval = FloatMatrix (1, 1, scalar.real ()); |
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141 |
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142 return retval; |
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143 } |
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144 |
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145 NDArray |
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146 octave_float_complex::array_value (bool force_conversion) const |
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147 { |
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148 NDArray retval; |
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149 |
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150 if (! force_conversion) |
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151 warn_implicit_conversion ("Octave:imag-to-real", |
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152 "complex scalar", "real matrix"); |
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153 |
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154 retval = NDArray (dim_vector (1, 1), scalar.real ()); |
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155 |
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156 return retval; |
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157 } |
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158 |
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159 FloatNDArray |
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160 octave_float_complex::float_array_value (bool force_conversion) const |
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161 { |
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162 FloatNDArray retval; |
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163 |
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164 if (! force_conversion) |
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165 warn_implicit_conversion ("Octave:imag-to-real", |
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166 "complex scalar", "real matrix"); |
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167 |
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168 retval = FloatNDArray (dim_vector (1, 1), scalar.real ()); |
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169 |
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170 return retval; |
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171 } |
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172 |
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173 Complex |
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174 octave_float_complex::complex_value (bool) const |
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175 { |
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176 return scalar; |
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177 } |
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178 |
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179 FloatComplex |
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180 octave_float_complex::float_complex_value (bool) const |
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181 { |
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182 return static_cast<FloatComplex> (scalar); |
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183 } |
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184 |
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185 ComplexMatrix |
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186 octave_float_complex::complex_matrix_value (bool) const |
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187 { |
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188 return ComplexMatrix (1, 1, scalar); |
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189 } |
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190 |
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191 FloatComplexMatrix |
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192 octave_float_complex::float_complex_matrix_value (bool) const |
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193 { |
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194 return FloatComplexMatrix (1, 1, scalar); |
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195 } |
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196 |
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197 ComplexNDArray |
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198 octave_float_complex::complex_array_value (bool /* force_conversion */) const |
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199 { |
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200 return ComplexNDArray (dim_vector (1, 1), scalar); |
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201 } |
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202 |
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203 FloatComplexNDArray |
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204 octave_float_complex::float_complex_array_value (bool /* force_conversion */) const |
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205 { |
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206 return FloatComplexNDArray (dim_vector (1, 1), scalar); |
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207 } |
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208 |
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209 octave_value |
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210 octave_float_complex::resize (const dim_vector& dv, bool fill) const |
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211 { |
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212 if (fill) |
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213 { |
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214 FloatComplexNDArray retval (dv, FloatComplex (0)); |
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215 |
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216 if (dv.numel ()) |
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217 retval(0) = scalar; |
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218 |
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219 return retval; |
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220 } |
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221 else |
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222 { |
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223 FloatComplexNDArray retval (dv); |
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224 |
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225 if (dv.numel ()) |
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226 retval(0) = scalar; |
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227 |
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228 return retval; |
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229 } |
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230 } |
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231 |
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232 octave_value |
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233 octave_float_complex::as_double (void) const |
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234 { |
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235 return Complex (scalar); |
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236 } |
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237 |
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238 octave_value |
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239 octave_float_complex::as_single (void) const |
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240 { |
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241 return scalar; |
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242 } |
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243 |
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244 octave_value |
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245 octave_float_complex::diag (octave_idx_type m, octave_idx_type n) const |
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246 { |
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247 return |
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248 FloatComplexDiagMatrix (Array<FloatComplex> (dim_vector (1, 1), scalar), |
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249 m, n); |
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250 } |
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251 |
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252 bool |
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253 octave_float_complex::save_ascii (std::ostream& os) |
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254 { |
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255 FloatComplex c = float_complex_value (); |
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256 |
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257 octave::write_value<FloatComplex> (os, c); |
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258 |
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259 os << "\n"; |
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260 |
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261 return true; |
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262 } |
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263 |
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264 bool |
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265 octave_float_complex::load_ascii (std::istream& is) |
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266 { |
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267 scalar = octave::read_value<FloatComplex> (is); |
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268 |
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269 if (! is) |
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270 error ("load: failed to load complex scalar constant"); |
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271 |
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272 return true; |
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273 } |
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274 |
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275 bool |
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276 octave_float_complex::save_binary (std::ostream& os, bool /* save_as_floats */) |
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277 { |
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278 char tmp = static_cast<char> (LS_FLOAT); |
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279 os.write (reinterpret_cast<char *> (&tmp), 1); |
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280 FloatComplex ctmp = float_complex_value (); |
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281 os.write (reinterpret_cast<char *> (&ctmp), 8); |
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282 |
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283 return true; |
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284 } |
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285 |
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286 bool |
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287 octave_float_complex::load_binary (std::istream& is, bool swap, |
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288 octave::mach_info::float_format fmt) |
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289 { |
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290 char tmp; |
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291 if (! is.read (reinterpret_cast<char *> (&tmp), 1)) |
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292 return false; |
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293 |
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294 FloatComplex ctmp; |
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295 read_floats (is, reinterpret_cast<float *> (&ctmp), |
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296 static_cast<save_type> (tmp), 2, swap, fmt); |
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297 |
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298 if (! is) |
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299 return false; |
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300 |
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301 scalar = ctmp; |
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302 return true; |
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303 } |
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304 |
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305 bool |
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306 octave_float_complex::save_hdf5 (octave_hdf5_id loc_id, const char *name, |
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307 bool /* save_as_floats */) |
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308 { |
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309 bool retval = false; |
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310 |
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311 #if defined (HAVE_HDF5) |
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312 |
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313 hsize_t dimens[3] = {0}; |
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314 hid_t space_hid, type_hid, data_hid; |
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315 space_hid = type_hid = data_hid = -1; |
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316 |
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317 space_hid = H5Screate_simple (0, dimens, nullptr); |
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318 if (space_hid < 0) |
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319 return false; |
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320 |
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321 type_hid = hdf5_make_complex_type (H5T_NATIVE_FLOAT); |
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322 if (type_hid < 0) |
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323 { |
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324 H5Sclose (space_hid); |
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325 return false; |
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326 } |
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327 #if defined (HAVE_HDF5_18) |
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328 data_hid = H5Dcreate (loc_id, name, type_hid, space_hid, |
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329 octave_H5P_DEFAULT, octave_H5P_DEFAULT, octave_H5P_DEFAULT); |
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330 #else |
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331 data_hid = H5Dcreate (loc_id, name, type_hid, space_hid, octave_H5P_DEFAULT); |
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332 #endif |
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333 if (data_hid < 0) |
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334 { |
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335 H5Sclose (space_hid); |
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336 H5Tclose (type_hid); |
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337 return false; |
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338 } |
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339 |
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340 FloatComplex tmp = float_complex_value (); |
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341 retval = H5Dwrite (data_hid, type_hid, octave_H5S_ALL, octave_H5S_ALL, |
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342 octave_H5P_DEFAULT, &tmp) >= 0; |
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343 |
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344 H5Dclose (data_hid); |
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345 H5Tclose (type_hid); |
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346 H5Sclose (space_hid); |
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347 |
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348 #else |
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349 octave_unused_parameter (loc_id); |
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350 octave_unused_parameter (name); |
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351 |
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352 warn_save ("hdf5"); |
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353 #endif |
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354 |
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355 return retval; |
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356 } |
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357 |
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358 bool |
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359 octave_float_complex::load_hdf5 (octave_hdf5_id loc_id, const char *name) |
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360 { |
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361 bool retval = false; |
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362 |
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363 #if defined (HAVE_HDF5) |
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364 |
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365 #if defined (HAVE_HDF5_18) |
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366 hid_t data_hid = H5Dopen (loc_id, name, octave_H5P_DEFAULT); |
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367 #else |
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368 hid_t data_hid = H5Dopen (loc_id, name); |
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369 #endif |
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370 hid_t type_hid = H5Dget_type (data_hid); |
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371 |
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372 hid_t complex_type = hdf5_make_complex_type (H5T_NATIVE_FLOAT); |
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373 |
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374 if (! hdf5_types_compatible (type_hid, complex_type)) |
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375 { |
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376 H5Tclose (complex_type); |
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377 H5Dclose (data_hid); |
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378 return false; |
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379 } |
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380 |
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381 hid_t space_id = H5Dget_space (data_hid); |
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382 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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383 |
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384 if (rank != 0) |
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385 { |
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386 H5Tclose (complex_type); |
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387 H5Sclose (space_id); |
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388 H5Dclose (data_hid); |
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389 return false; |
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390 } |
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391 |
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392 // complex scalar: |
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393 FloatComplex ctmp; |
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394 if (H5Dread (data_hid, complex_type, octave_H5S_ALL, octave_H5S_ALL, |
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395 octave_H5P_DEFAULT, &ctmp) |
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396 >= 0) |
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397 { |
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398 retval = true; |
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399 scalar = ctmp; |
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400 } |
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401 |
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402 H5Tclose (complex_type); |
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403 H5Sclose (space_id); |
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404 H5Dclose (data_hid); |
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405 |
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406 #else |
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407 octave_unused_parameter (loc_id); |
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408 octave_unused_parameter (name); |
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409 |
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410 warn_load ("hdf5"); |
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411 #endif |
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412 |
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413 return retval; |
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414 } |
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415 |
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416 mxArray * |
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417 octave_float_complex::as_mxArray (bool interleaved) const |
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418 { |
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419 mxArray *retval = new mxArray (interleaved, mxSINGLE_CLASS, 1, 1, mxCOMPLEX); |
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420 |
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421 if (interleaved) |
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422 { |
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423 mxComplexSingle *pd |
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424 = static_cast<mxComplexSingle *> (retval->get_data ()); |
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425 |
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426 pd[0].real = scalar.real (); |
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427 pd[0].imag = scalar.imag (); |
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428 } |
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429 else |
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430 { |
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431 mxSingle *pr = static_cast<mxSingle *> (retval->get_data ()); |
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432 mxSingle *pi = static_cast<mxSingle *> (retval->get_imag_data ()); |
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433 |
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434 pr[0] = scalar.real (); |
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435 pi[0] = scalar.imag (); |
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436 } |
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437 |
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438 return retval; |
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439 } |
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440 |
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441 octave_value |
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442 octave_float_complex::map (unary_mapper_t umap) const |
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443 { |
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444 switch (umap) |
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445 { |
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446 #define SCALAR_MAPPER(UMAP, FCN) \ |
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447 case umap_ ## UMAP: \ |
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448 return octave_value (FCN (scalar)) |
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449 |
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450 SCALAR_MAPPER (abs, std::abs); |
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451 SCALAR_MAPPER (acos, octave::math::acos); |
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452 SCALAR_MAPPER (acosh, octave::math::acosh); |
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453 SCALAR_MAPPER (angle, std::arg); |
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454 SCALAR_MAPPER (arg, std::arg); |
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455 SCALAR_MAPPER (asin, octave::math::asin); |
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456 SCALAR_MAPPER (asinh, octave::math::asinh); |
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457 SCALAR_MAPPER (atan, octave::math::atan); |
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458 SCALAR_MAPPER (atanh, octave::math::atanh); |
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459 SCALAR_MAPPER (erf, octave::math::erf); |
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460 SCALAR_MAPPER (erfc, octave::math::erfc); |
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461 SCALAR_MAPPER (erfcx, octave::math::erfcx); |
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462 SCALAR_MAPPER (erfi, octave::math::erfi); |
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463 SCALAR_MAPPER (dawson, octave::math::dawson); |
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464 SCALAR_MAPPER (ceil, octave::math::ceil); |
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465 SCALAR_MAPPER (conj, std::conj); |
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466 SCALAR_MAPPER (cos, std::cos); |
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467 SCALAR_MAPPER (cosh, std::cosh); |
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468 SCALAR_MAPPER (exp, std::exp); |
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469 SCALAR_MAPPER (expm1, octave::math::expm1); |
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470 SCALAR_MAPPER (fix, octave::math::fix); |
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471 SCALAR_MAPPER (floor, octave::math::floor); |
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472 SCALAR_MAPPER (imag, std::imag); |
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473 SCALAR_MAPPER (log, std::log); |
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474 SCALAR_MAPPER (log2, octave::math::log2); |
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475 SCALAR_MAPPER (log10, std::log10); |
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476 SCALAR_MAPPER (log1p, octave::math::log1p); |
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477 SCALAR_MAPPER (real, std::real); |
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478 SCALAR_MAPPER (round, octave::math::round); |
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479 SCALAR_MAPPER (roundb, octave::math::roundb); |
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480 SCALAR_MAPPER (signum, octave::math::signum); |
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481 SCALAR_MAPPER (sin, std::sin); |
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482 SCALAR_MAPPER (sinh, std::sinh); |
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483 SCALAR_MAPPER (sqrt, std::sqrt); |
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484 SCALAR_MAPPER (tan, std::tan); |
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485 SCALAR_MAPPER (tanh, std::tanh); |
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486 SCALAR_MAPPER (isfinite, octave::math::isfinite); |
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487 SCALAR_MAPPER (isinf, octave::math::isinf); |
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488 SCALAR_MAPPER (isna, octave::math::isna); |
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489 SCALAR_MAPPER (isnan, octave::math::isnan); |
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490 |
24587
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tolower/toupper functions return complex numbers unchanged (bug #52380).
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491 // Special cases for Matlab compatibility |
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492 case umap_xtolower: |
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493 case umap_xtoupper: |
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494 return scalar; |
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495 |
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496 default: |
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497 return octave_base_value::map (umap); |
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498 } |
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499 } |