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annotate src/ov-base-diag.h @ 8398:d95282fa0579

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allow element assignment to diagonal matrices
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 11 Dec 2008 11:04:00 +0100
parents c43481a19bfe
children f00578b495e9
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1 /*
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2
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3 Copyright (C) 2008 Jaroslav Hajek <highegg@gmail.com>
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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 #if !defined (octave_base_diag_h)
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24 #define octave_base_diag_h 1
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25
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26 #include <cstdlib>
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27
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28 #include <iostream>
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29 #include <string>
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30
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31 #include "mx-base.h"
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32 #include "str-vec.h"
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33
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34 #include "oct-obj.h"
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35 #include "ov-base.h"
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36 #include "ov-typeinfo.h"
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37
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38 class tree_walker;
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39
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40 // Real matrix values.
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41
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42 template <class DMT, class MT>
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43 class
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44 octave_base_diag : public octave_base_value
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45 {
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46
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47 public:
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48
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49 octave_base_diag (void)
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50 : octave_base_value () { }
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51
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52 octave_base_diag (const DMT& m)
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53 : octave_base_value (), matrix (m)
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54 { }
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55
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56 octave_base_diag (const octave_base_diag& m)
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57 : octave_base_value (), matrix (m.matrix) { }
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58
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59 ~octave_base_diag (void) { }
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60
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61 size_t byte_size (void) const { return matrix.byte_size (); }
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62
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63 octave_value squeeze (void) const { return matrix; }
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64
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65 octave_value subsref (const std::string& type,
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66 const std::list<octave_value_list>& idx);
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67
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68 octave_value_list subsref (const std::string& type,
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69 const std::list<octave_value_list>& idx, int)
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70 { return subsref (type, idx); }
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71
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72 octave_value do_index_op (const octave_value_list& idx,
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73 bool resize_ok = false);
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74
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75 octave_value subsasgn (const std::string& type,
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76 const std::list<octave_value_list>& idx,
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77 const octave_value& rhs);
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78
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79 dim_vector dims (void) const { return matrix.dims (); }
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80
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81 octave_idx_type nnz (void) const { return to_dense ().nnz (); }
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82
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83 octave_value reshape (const dim_vector& new_dims) const
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84 { return to_dense ().reshape (new_dims); }
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85
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86 octave_value permute (const Array<int>& vec, bool inv = false) const
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87 { return to_dense ().permute (vec, inv); }
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88
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89 octave_value resize (const dim_vector& dv, bool fill = false) const;
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90
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91 octave_value all (int dim = 0) const { return MT (matrix).all (dim); }
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92 octave_value any (int dim = 0) const { return MT (matrix).any (dim); }
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93
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94 MatrixType matrix_type (void) const { return MatrixType::Diagonal; }
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95 MatrixType matrix_type (const MatrixType&) const
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96 { return matrix_type (); }
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97
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98 octave_value diag (octave_idx_type k = 0) const
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99 { return octave_value (matrix.diag (k)); }
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100
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101 octave_value sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const
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102 { return to_dense ().sort (dim, mode); }
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103 octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type dim = 0,
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104 sortmode mode = ASCENDING) const
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105 { return to_dense ().sort (sidx, dim, mode); }
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106
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107 bool is_matrix_type (void) const { return true; }
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108
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109 bool is_numeric_type (void) const { return true; }
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110
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111 bool is_defined (void) const { return true; }
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112
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113 bool is_constant (void) const { return true; }
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114
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115 bool is_true (void) const;
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116
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117 bool is_diag_matrix (void) const { return true; }
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118
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119 bool valid_as_scalar_index (void) const;
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120
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121 double double_value (bool = false) const;
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122
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123 float float_value (bool = false) const;
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124
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125 double scalar_value (bool frc_str_conv = false) const
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126 { return double_value (frc_str_conv); }
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127
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128 idx_vector index_vector (void) const;
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129
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130 virtual DiagMatrix diag_matrix_value (bool = false) const = 0;
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131
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132 virtual FloatDiagMatrix float_diag_matrix_value (bool = false) const = 0;
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133
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134 virtual ComplexDiagMatrix complex_diag_matrix_value (bool = false) const = 0;
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135
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136 virtual FloatComplexDiagMatrix float_complex_diag_matrix_value (bool = false) const = 0;
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137
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138 Matrix matrix_value (bool = false) const;
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139
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140 FloatMatrix float_matrix_value (bool = false) const;
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141
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142 Complex complex_value (bool = false) const;
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143
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144 FloatComplex float_complex_value (bool = false) const;
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145
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146 ComplexMatrix complex_matrix_value (bool = false) const;
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147
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148 FloatComplexMatrix float_complex_matrix_value (bool = false) const;
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149
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150 ComplexNDArray complex_array_value (bool = false) const;
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151
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152 FloatComplexNDArray float_complex_array_value (bool = false) const;
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153
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154 boolNDArray bool_array_value (bool warn = false) const;
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155
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156 charNDArray char_array_value (bool = false) const;
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157
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158 NDArray array_value (bool = false) const;
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159
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160 FloatNDArray float_array_value (bool = false) const;
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161
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162 SparseMatrix sparse_matrix_value (bool = false) const;
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163
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164 SparseComplexMatrix sparse_complex_matrix_value (bool = false) const;
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165
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166 int8NDArray
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167 int8_array_value (void) const { return to_dense ().int8_array_value (); }
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168
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169 int16NDArray
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170 int16_array_value (void) const { return to_dense ().int16_array_value (); }
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171
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172 int32NDArray
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173 int32_array_value (void) const { return to_dense ().int32_array_value (); }
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174
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175 int64NDArray
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176 int64_array_value (void) const { return to_dense ().int64_array_value (); }
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177
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178 uint8NDArray
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179 uint8_array_value (void) const { return to_dense ().uint8_array_value (); }
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180
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181 uint16NDArray
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182 uint16_array_value (void) const { return to_dense ().uint16_array_value (); }
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183
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184 uint32NDArray
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185 uint32_array_value (void) const { return to_dense ().uint32_array_value (); }
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186
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187 uint64NDArray
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188 uint64_array_value (void) const { return to_dense ().uint64_array_value (); }
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189
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190 octave_value convert_to_str_internal (bool pad, bool force, char type) const;
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191
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192 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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193
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194 bool save_ascii (std::ostream& os);
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195
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196 bool load_ascii (std::istream& is);
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197
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198 int write (octave_stream& os, int block_size,
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199 oct_data_conv::data_type output_type, int skip,
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200 oct_mach_info::float_format flt_fmt) const;
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201
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202 mxArray *as_mxArray (void) const;
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203
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204 bool print_as_scalar (void) const;
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205
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206 void print (std::ostream& os, bool pr_as_read_syntax = false) const;
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207
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208 void print_info (std::ostream& os, const std::string& prefix) const;
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209
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210 // We forward everything except abs, real, imag, conj.
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211 octave_value erf (void) const;
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212 octave_value erfc (void) const;
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213 octave_value gamma (void) const;
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214 octave_value lgamma (void) const;
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215 octave_value acos (void) const;
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216 octave_value acosh (void) const;
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217 octave_value angle (void) const;
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218 octave_value arg (void) const;
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219 octave_value asin (void) const;
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220 octave_value asinh (void) const;
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221 octave_value atan (void) const;
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222 octave_value atanh (void) const;
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223 octave_value ceil (void) const;
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224 octave_value cos (void) const;
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225 octave_value cosh (void) const;
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226 octave_value exp (void) const;
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227 octave_value expm1 (void) const;
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228 octave_value fix (void) const;
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229 octave_value floor (void) const;
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230 octave_value log (void) const;
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231 octave_value log2 (void) const;
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232 octave_value log10 (void) const;
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233 octave_value log1p (void) const;
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234 octave_value round (void) const;
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235 octave_value roundb (void) const;
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236 octave_value signum (void) const;
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237 octave_value sin (void) const;
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238 octave_value sinh (void) const;
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239 octave_value sqrt (void) const;
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240 octave_value tan (void) const;
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241 octave_value tanh (void) const;
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242 octave_value finite (void) const;
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243 octave_value isinf (void) const;
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244 octave_value isna (void) const;
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245 octave_value isnan (void) const;
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246
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247 protected:
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248
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249 DMT matrix;
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250
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251 octave_value to_dense (void) const;
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252
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253 virtual bool chk_valid_scalar (const octave_value&,
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254 typename DMT::element_type&) const = 0;
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255
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256 private:
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257
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258 mutable octave_value dense_cache;
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259
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260 };
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261
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262 #endif