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annotate src/ov-base-diag.h @ 10784:ca2df6737d6b

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generalize cell2mat optimization to n dimensions
author Jaroslav Hajek <highegg@gmail.com>
date Mon, 12 Jul 2010 21:32:18 +0200
parents f3b65e1ae355
children fd0a3ac60b0e
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1 /*
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2
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3 Copyright (C) 2008, 2009 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 #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 <iosfwd>
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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 full_value (void) const { return to_dense (); }
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66
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67 octave_value subsref (const std::string& type,
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68 const std::list<octave_value_list>& idx);
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69
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70 octave_value_list subsref (const std::string& type,
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71 const std::list<octave_value_list>& idx, int)
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72 { return subsref (type, idx); }
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73
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74 octave_value do_index_op (const octave_value_list& idx,
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75 bool resize_ok = false);
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76
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77 octave_value subsasgn (const std::string& type,
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78 const std::list<octave_value_list>& idx,
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79 const octave_value& rhs);
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80
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81 dim_vector dims (void) const { return matrix.dims (); }
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82
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83 octave_idx_type nnz (void) const { return to_dense ().nnz (); }
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84
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85 octave_value reshape (const dim_vector& new_dims) const
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86 { return to_dense ().reshape (new_dims); }
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87
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88 octave_value permute (const Array<int>& vec, bool inv = false) const
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89 { return to_dense ().permute (vec, inv); }
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90
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91 octave_value resize (const dim_vector& dv, bool fill = false) const;
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92
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93 octave_value all (int dim = 0) const { return MT (matrix).all (dim); }
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94 octave_value any (int dim = 0) const { return MT (matrix).any (dim); }
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95
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96 MatrixType matrix_type (void) const { return MatrixType::Diagonal; }
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97 MatrixType matrix_type (const MatrixType&) const
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98 { return matrix_type (); }
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99
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100 octave_value diag (octave_idx_type k = 0) const
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101 { return octave_value (matrix.diag (k)); }
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102
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103 octave_value sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const
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104 { return to_dense ().sort (dim, mode); }
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105 octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type dim = 0,
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106 sortmode mode = ASCENDING) const
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107 { return to_dense ().sort (sidx, dim, mode); }
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108
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109 sortmode is_sorted (sortmode mode = UNSORTED) const
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110 { return to_dense ().is_sorted (mode); }
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111
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112 Array<octave_idx_type> sort_rows_idx (sortmode mode = ASCENDING) const
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113 { return to_dense ().sort_rows_idx (mode); }
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114
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115 sortmode is_sorted_rows (sortmode mode = UNSORTED) const
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116 { return to_dense ().is_sorted_rows (mode); }
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117
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118 bool is_matrix_type (void) const { return true; }
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119
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120 bool is_numeric_type (void) const { return true; }
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121
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122 bool is_defined (void) const { return true; }
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123
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124 bool is_constant (void) const { return true; }
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125
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126 bool is_true (void) const;
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127
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128 bool is_diag_matrix (void) const { return true; }
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129
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130 double double_value (bool = false) const;
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131
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132 float float_value (bool = false) const;
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133
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134 double scalar_value (bool frc_str_conv = false) const
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135 { return double_value (frc_str_conv); }
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136
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137 idx_vector index_vector (void) const;
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138
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139 Matrix matrix_value (bool = false) const;
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140
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141 FloatMatrix float_matrix_value (bool = false) const;
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142
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143 Complex complex_value (bool = false) const;
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144
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145 FloatComplex float_complex_value (bool = false) const;
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146
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147 ComplexMatrix complex_matrix_value (bool = false) const;
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148
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149 FloatComplexMatrix float_complex_matrix_value (bool = false) const;
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150
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151 ComplexNDArray complex_array_value (bool = false) const;
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152
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153 FloatComplexNDArray float_complex_array_value (bool = false) const;
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154
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155 boolNDArray bool_array_value (bool warn = false) const;
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156
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157 charNDArray char_array_value (bool = false) const;
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158
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159 NDArray array_value (bool = false) const;
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160
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161 FloatNDArray float_array_value (bool = false) const;
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162
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163 SparseMatrix sparse_matrix_value (bool = false) const;
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164
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165 SparseComplexMatrix sparse_complex_matrix_value (bool = false) const;
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166
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167 int8NDArray
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168 int8_array_value (void) const { return to_dense ().int8_array_value (); }
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169
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170 int16NDArray
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171 int16_array_value (void) const { return to_dense ().int16_array_value (); }
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172
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173 int32NDArray
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174 int32_array_value (void) const { return to_dense ().int32_array_value (); }
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175
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176 int64NDArray
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177 int64_array_value (void) const { return to_dense ().int64_array_value (); }
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178
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179 uint8NDArray
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180 uint8_array_value (void) const { return to_dense ().uint8_array_value (); }
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181
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182 uint16NDArray
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183 uint16_array_value (void) const { return to_dense ().uint16_array_value (); }
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184
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185 uint32NDArray
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186 uint32_array_value (void) const { return to_dense ().uint32_array_value (); }
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187
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188 uint64NDArray
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189 uint64_array_value (void) const { return to_dense ().uint64_array_value (); }
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190
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191 octave_value convert_to_str_internal (bool pad, bool force, char type) const;
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192
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193 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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194
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195 bool save_ascii (std::ostream& os);
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196
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197 bool load_ascii (std::istream& is);
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198
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199 int write (octave_stream& os, int block_size,
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200 oct_data_conv::data_type output_type, int skip,
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201 oct_mach_info::float_format flt_fmt) const;
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202
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203 mxArray *as_mxArray (void) const;
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204
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205 bool print_as_scalar (void) const;
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206
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207 void print (std::ostream& os, bool pr_as_read_syntax = false) const;
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208
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209 void print_info (std::ostream& os, const std::string& prefix) const;
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210
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211 protected:
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212
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213 DMT matrix;
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214
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215 octave_value to_dense (void) const;
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216
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217 virtual bool chk_valid_scalar (const octave_value&,
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218 typename DMT::element_type&) const = 0;
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219
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220 private:
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221
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222 mutable octave_value dense_cache;
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223
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224 };
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225
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226 #endif