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annotate libinterp/octave-value/ov-re-diag.cc @ 19632:76478d2da117

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unconditionally disable the octave_allocator class * configure.ac: Delete the --enable-octave-allocator option. * oct-alloc.h: Delete octave_allocator class. Warn if file is included. Unconditionally define macros to be empty. * NEWS: Make note of these changes. * oct-alloc.cc: Delete. * liboctave/util/module.mk (UTIL_SRC): Remove it from the list. * make_int.cc, Cell.h, oct-obj.cc, oct-obj.h, audiodevinfo.cc, ov-base-int.h, ov-base-scalar.h, ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h, ov-builtin.cc, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-ch-mat.h, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-complex.h, ov-cs-list.cc, ov-cs-list.h, ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h, ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.cc, ov-fcn.h, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-intx.h, ov-java.cc, ov-java.h, ov-mex-fcn.cc, ov-mex-fcn.h, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h, ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov-str-mat.h, ov-struct.cc, ov-struct.h, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, pt-const.cc, pt-const.h, idx-vector.cc, idx-vector.h: Delete uses of oct-alloc.h and OCTAVE_ALLOCATOR macros.
author John W. Eaton <jwe@octave.org>
date Tue, 20 Jan 2015 13:43:29 -0500
parents 6a71e5030df5
children 4197fc428c7d
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1 /*
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2
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d63878346099 maint: Update copyright notices for release.
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3 Copyright (C) 2008-2013 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 "byte-swap.h"
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28
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29 #include "ov-re-diag.h"
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30 #include "ov-flt-re-diag.h"
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31 #include "ov-base-diag.cc"
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32 #include "ov-scalar.h"
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33 #include "ov-re-mat.h"
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34 #include "ls-utils.h"
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35
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36 template class octave_base_diag<DiagMatrix, Matrix>;
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37
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38
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39 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_diag_matrix, "diagonal matrix",
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40 "double");
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41
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42 static octave_base_value *
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43 default_numeric_conversion_function (const octave_base_value& a)
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44 {
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45 CAST_CONV_ARG (const octave_diag_matrix&);
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46
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47 return new octave_matrix (v.matrix_value ());
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48 }
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49
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50 octave_base_value::type_conv_info
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51 octave_diag_matrix::numeric_conversion_function (void) const
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52 {
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53 return octave_base_value::type_conv_info (default_numeric_conversion_function,
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54 octave_matrix::static_type_id ());
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55 }
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56
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57 static octave_base_value *
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58 default_numeric_demotion_function (const octave_base_value& a)
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59 {
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60 CAST_CONV_ARG (const octave_diag_matrix&);
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61
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62 return new octave_float_diag_matrix (v.float_diag_matrix_value ());
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63 }
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64
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65 octave_base_value::type_conv_info
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66 octave_diag_matrix::numeric_demotion_function (void) const
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67 {
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68 return octave_base_value::type_conv_info
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69 (default_numeric_demotion_function,
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70 octave_float_diag_matrix::static_type_id ());
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71 }
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72
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73 octave_base_value *
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74 octave_diag_matrix::try_narrowing_conversion (void)
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75 {
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76 octave_base_value *retval = 0;
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77
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78 if (matrix.nelem () == 1)
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79 retval = new octave_scalar (matrix (0, 0));
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80
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81 return retval;
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82 }
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83
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84 octave_value
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85 octave_diag_matrix::do_index_op (const octave_value_list& idx,
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86 bool resize_ok)
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87 {
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88 octave_value retval;
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89
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90 // This hack is to allow constructing permutation matrices using
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91 // eye(n)(p,:), eye(n)(:,q) && eye(n)(p,q) where p & q are permutation
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92 // vectors.
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93 if (! resize_ok && idx.length () == 2 && matrix.is_multiple_of_identity (1))
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94 {
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95 idx_vector idx0 = idx(0).index_vector ();
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96 idx_vector idx1 = idx(1).index_vector ();
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97
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98 if (! error_state)
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99 {
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100 bool left = idx0.is_permutation (matrix.rows ());
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101 bool right = idx1.is_permutation (matrix.cols ());
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102
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103 if (left && right)
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104 {
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105 if (idx0.is_colon ()) left = false;
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106 if (idx1.is_colon ()) right = false;
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107 if (left && right)
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108 retval = PermMatrix (idx0, false) * PermMatrix (idx1, true);
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109 else if (left)
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110 retval = PermMatrix (idx0, false);
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111 else if (right)
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112 retval = PermMatrix (idx1, true);
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113 else
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114 {
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115 retval = this;
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116 this->count++;
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117 }
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118 }
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119 }
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120 }
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121
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122 // if error_state is set, we've already griped.
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123 if (! error_state && retval.is_undefined ())
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124 retval = octave_base_diag<DiagMatrix, Matrix>::do_index_op (idx, resize_ok);
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125
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126 return retval;
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127 }
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128
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129 DiagMatrix
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130 octave_diag_matrix::diag_matrix_value (bool) const
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131 {
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132 return matrix;
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133 }
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134
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135 FloatDiagMatrix
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136 octave_diag_matrix::float_diag_matrix_value (bool) const
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137 {
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138 return FloatDiagMatrix (matrix);
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139 }
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140
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141 ComplexDiagMatrix
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142 octave_diag_matrix::complex_diag_matrix_value (bool) const
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143 {
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144 return ComplexDiagMatrix (matrix);
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145 }
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146
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147 FloatComplexDiagMatrix
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148 octave_diag_matrix::float_complex_diag_matrix_value (bool) const
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149 {
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150 return FloatComplexDiagMatrix (matrix);
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151 }
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152
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153 octave_value
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154 octave_diag_matrix::map (unary_mapper_t umap) const
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155 {
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156 switch (umap)
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157 {
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158 case umap_abs:
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159 return matrix.abs ();
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160 case umap_real:
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161 case umap_conj:
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162 return matrix;
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163 case umap_imag:
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164 return DiagMatrix (matrix.rows (), matrix.cols (), 0.0);
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165 case umap_sqrt:
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166 {
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167 ComplexColumnVector tmp = matrix.extract_diag ().map<Complex> (rc_sqrt);
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168 ComplexDiagMatrix retval (tmp);
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169 retval.resize (matrix.rows (), matrix.columns ());
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170 return retval;
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171 }
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172 default:
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173 return to_dense ().map (umap);
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174 }
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175 }
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176
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177 bool
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178 octave_diag_matrix::save_binary (std::ostream& os, bool& save_as_floats)
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179 {
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180
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181 int32_t r = matrix.rows ();
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182 int32_t c = matrix.cols ();
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183 os.write (reinterpret_cast<char *> (&r), 4);
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184 os.write (reinterpret_cast<char *> (&c), 4);
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185
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186 Matrix m = Matrix (matrix.extract_diag ());
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187 save_type st = LS_DOUBLE;
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188 if (save_as_floats)
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189 {
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190 if (m.too_large_for_float ())
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191 {
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192 warning ("save: some values too large to save as floats --");
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193 warning ("save: saving as doubles instead");
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194 }
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195 else
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196 st = LS_FLOAT;
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197 }
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198 else if (matrix.length () > 8192) // FIXME: make this configurable.
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199 {
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200 double max_val, min_val;
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201 if (m.all_integers (max_val, min_val))
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202 st = get_save_type (max_val, min_val);
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203 }
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204
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205 const double *mtmp = m.data ();
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206 write_doubles (os, mtmp, st, m.numel ());
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207
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208 return true;
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209 }
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210
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211 bool
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212 octave_diag_matrix::load_binary (std::istream& is, bool swap,
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213 oct_mach_info::float_format fmt)
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214 {
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215 int32_t r, c;
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216 char tmp;
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217 if (! (is.read (reinterpret_cast<char *> (&r), 4)
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218 && is.read (reinterpret_cast<char *> (&c), 4)
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219 && is.read (reinterpret_cast<char *> (&tmp), 1)))
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220 return false;
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221 if (swap)
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222 {
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223 swap_bytes<4> (&r);
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224 swap_bytes<4> (&c);
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225 }
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226
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227 DiagMatrix m (r, c);
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228 double *re = m.fortran_vec ();
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229 octave_idx_type len = m.length ();
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230 read_doubles (is, re, static_cast<save_type> (tmp), len, swap, fmt);
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231 if (error_state || ! is)
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232 return false;
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233 matrix = m;
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234
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235 return true;
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236 }
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237
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238 bool
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239 octave_diag_matrix::chk_valid_scalar (const octave_value& val,
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240 double& x) const
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241 {
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242 bool retval = val.is_real_scalar ();
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243 if (retval)
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244 x = val.double_value ();
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245 return retval;
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246 }