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1 /* |
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2 |
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2847
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3 Copyright (C) 1996, 1997 John W. Eaton |
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2376
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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 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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3503
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28 #include <iostream> |
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4726
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29 #include <vector> |
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2901
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30 |
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4944
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31 #include "data-conv.h" |
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32 #include "lo-ieee.h" |
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4944
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33 #include "mach-info.h" |
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34 #include "mx-base.h" |
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35 |
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5758
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36 #include "defun.h" |
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37 #include "byte-swap.h" |
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38 #include "gripes.h" |
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39 #include "ls-oct-ascii.h" |
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40 #include "ls-hdf5.h" |
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41 #include "ls-utils.h" |
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2407
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42 #include "oct-obj.h" |
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4944
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43 #include "oct-stream.h" |
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44 #include "ops.h" |
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5033
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45 #include "ov-scalar.h" |
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2376
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46 #include "ov-re-mat.h" |
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47 #include "ov-str-mat.h" |
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48 #include "pr-output.h" |
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3836
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49 #include "pt-mat.h" |
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5758
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50 #include "utils.h" |
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4687
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51 |
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3219
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52 DEFINE_OCTAVE_ALLOCATOR (octave_char_matrix_str); |
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5279
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53 DEFINE_OCTAVE_ALLOCATOR (octave_char_matrix_sq_str); |
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54 |
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4612
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55 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_char_matrix_str, "string", "char"); |
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5279
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56 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_char_matrix_sq_str, "sq_string", "char"); |
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57 |
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5758
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58 // If TRUE, warn for operations like |
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59 // |
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60 // octave> 'abc' + 0 |
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61 // 97 98 99 |
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62 // |
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63 static int Vwarn_str_to_num; |
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64 |
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5759
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65 static octave_base_value * |
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66 default_numeric_conversion_function (const octave_base_value& a) |
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67 { |
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68 octave_base_value *retval = 0; |
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5033
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69 |
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70 CAST_CONV_ARG (const octave_char_matrix_str&); |
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71 |
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4668
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72 NDArray nda = v.array_value (true); |
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3203
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73 |
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5033
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74 if (! error_state) |
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75 { |
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76 if (nda.numel () == 1) |
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77 retval = new octave_scalar (nda(0)); |
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78 else |
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79 retval = new octave_matrix (nda); |
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80 } |
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81 |
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82 return retval; |
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2376
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83 } |
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84 |
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5759
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85 octave_base_value::type_conv_fcn |
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2376
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86 octave_char_matrix_str::numeric_conversion_function (void) const |
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87 { |
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88 return default_numeric_conversion_function; |
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89 } |
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90 |
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91 octave_value |
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5400
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92 octave_char_matrix_str::do_index_op_internal (const octave_value_list& idx, |
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93 int resize_ok, char type) |
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2407
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94 { |
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95 octave_value retval; |
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96 |
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5275
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97 octave_idx_type len = idx.length (); |
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2407
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98 |
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99 switch (len) |
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100 { |
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5539
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101 case 0: |
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102 retval = octave_value (matrix, true, type); |
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103 break; |
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104 |
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105 case 1: |
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106 { |
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107 idx_vector i = idx (0).index_vector (); |
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108 |
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5086
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109 if (! error_state) |
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110 retval = octave_value (charNDArray (matrix.index (i, resize_ok)), |
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5400
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111 true, type); |
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2407
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112 } |
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113 break; |
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114 |
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5539
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115 case 2: |
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116 { |
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117 idx_vector i = idx (0).index_vector (); |
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118 idx_vector j = idx (1).index_vector (); |
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119 |
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120 if (! error_state) |
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121 retval = octave_value (charNDArray (matrix.index (i, j, resize_ok)), |
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122 true, type); |
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123 } |
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5435
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124 break; |
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125 |
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2407
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126 default: |
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4513
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127 { |
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128 Array<idx_vector> idx_vec (len); |
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129 |
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5275
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130 for (octave_idx_type i = 0; i < len; i++) |
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4513
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131 idx_vec(i) = idx(i).index_vector (); |
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132 |
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5086
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133 if (! error_state) |
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134 retval = octave_value (charNDArray (matrix.index (idx_vec, resize_ok)), |
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5400
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135 true, type); |
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4513
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136 } |
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2407
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137 break; |
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138 } |
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139 |
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140 return retval; |
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141 } |
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142 |
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143 void |
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144 octave_char_matrix_str::assign (const octave_value_list& idx, |
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145 const charMatrix& rhs) |
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146 { |
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5275
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147 octave_idx_type len = idx.length (); |
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2407
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148 |
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5775
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149 // FIXME |
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2571
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150 charMatrix tmp = rhs; |
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151 if (tmp.rows () == 1 && tmp.columns () == 0) |
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152 tmp.resize (0, 0); |
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153 |
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5275
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154 for (octave_idx_type i = 0; i < len; i++) |
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4513
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155 matrix.set_index (idx(i).index_vector ()); |
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2407
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156 |
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4513
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157 ::assign (matrix, tmp, Vstring_fill_char); |
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2407
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158 } |
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159 |
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5731
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160 octave_value |
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161 octave_char_matrix_str::resize (const dim_vector& dv, bool fill) const |
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162 { |
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163 charNDArray retval (matrix); |
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164 if (fill) |
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165 retval.resize (dv, charNDArray::resize_fill_value()); |
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166 else |
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167 retval.resize (dv); |
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168 return octave_value (retval, true); |
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169 } |
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170 |
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2376
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171 bool |
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172 octave_char_matrix_str::valid_as_scalar_index (void) const |
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173 { |
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174 bool retval = false; |
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175 error ("octave_char_matrix_str::valid_as_scalar_index(): not implemented"); |
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176 return retval; |
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177 } |
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178 |
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4668
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179 #define CHAR_MATRIX_CONV(T, INIT, TNAME, FCN) \ |
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180 T retval INIT; \ |
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181 \ |
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182 if (! force_string_conv) \ |
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183 gripe_invalid_conversion ("string", TNAME); \ |
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184 else \ |
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185 { \ |
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186 if (Vwarn_str_to_num) \ |
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187 gripe_implicit_conversion ("string", TNAME); \ |
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188 \ |
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189 retval = octave_char_matrix::FCN (); \ |
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190 } \ |
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191 \ |
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192 return retval |
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193 |
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4643
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194 double |
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195 octave_char_matrix_str::double_value (bool force_string_conv) const |
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196 { |
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4668
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197 CHAR_MATRIX_CONV (double, = 0, "real scalar", double_value); |
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198 } |
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199 |
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200 Complex |
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201 octave_char_matrix_str::complex_value (bool force_string_conv) const |
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202 { |
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203 CHAR_MATRIX_CONV (Complex, = 0, "complex scalar", complex_value); |
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4643
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204 } |
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205 |
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206 Matrix |
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207 octave_char_matrix_str::matrix_value (bool force_string_conv) const |
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208 { |
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4668
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209 CHAR_MATRIX_CONV (Matrix, , "real matrix", matrix_value); |
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210 } |
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211 |
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212 ComplexMatrix |
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213 octave_char_matrix_str::complex_matrix_value (bool force_string_conv) const |
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214 { |
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215 CHAR_MATRIX_CONV (ComplexMatrix, , "complex matrix", complex_matrix_value); |
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216 } |
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217 |
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218 NDArray |
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219 octave_char_matrix_str::array_value (bool force_string_conv) const |
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220 { |
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221 CHAR_MATRIX_CONV (NDArray, , "real N-d array", array_value); |
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222 } |
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223 |
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4668
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224 ComplexNDArray |
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225 octave_char_matrix_str::complex_array_value (bool force_string_conv) const |
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226 { |
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227 CHAR_MATRIX_CONV (ComplexNDArray, , "complex N-d array", |
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228 complex_array_value); |
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229 } |
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230 |
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2493
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231 string_vector |
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5715
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232 octave_char_matrix_str::all_strings (bool) const |
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233 { |
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4513
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234 string_vector retval; |
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235 |
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236 if (matrix.ndims () == 2) |
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237 { |
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238 charMatrix chm = matrix.matrix_value (); |
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239 |
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5275
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240 octave_idx_type n = chm.rows (); |
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2493
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241 |
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4513
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242 retval.resize (n); |
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2493
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243 |
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5275
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244 for (octave_idx_type i = 0; i < n; i++) |
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5707
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245 retval[i] = chm.row_as_string (i); |
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4513
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246 } |
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247 else |
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248 error ("invalid conversion of charNDArray to string_vector"); |
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2493
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249 |
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250 return retval; |
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2376
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251 } |
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252 |
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3536
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253 std::string |
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4457
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254 octave_char_matrix_str::string_value (bool) const |
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255 { |
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4513
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256 std::string retval; |
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257 |
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258 if (matrix.ndims () == 2) |
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259 { |
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260 charMatrix chm = matrix.matrix_value (); |
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261 |
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5775
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262 retval = chm.row_as_string (0); // FIXME??? |
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4513
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263 } |
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264 else |
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265 error ("invalid conversion of charNDArray to string"); |
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266 |
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267 return retval; |
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2376
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268 } |
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269 |
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270 void |
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3523
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271 octave_char_matrix_str::print_raw (std::ostream& os, bool pr_as_read_syntax) const |
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2376
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272 { |
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3219
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273 octave_print_internal (os, matrix, pr_as_read_syntax, |
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274 current_print_indent_level (), true); |
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2376
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275 } |
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276 |
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4687
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277 bool |
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278 octave_char_matrix_str::save_ascii (std::ostream& os, |
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279 bool& /* infnan_warned */, |
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280 bool /* strip_nan_and_inf */) |
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281 { |
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4805
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282 dim_vector d = dims (); |
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283 if (d.length () > 2) |
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284 { |
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285 charNDArray tmp = char_array_value (); |
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286 os << "# ndims: " << d.length () << "\n"; |
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287 for (int i=0; i < d.length (); i++) |
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288 os << " " << d (i); |
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289 os << "\n"; |
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5760
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290 os.write (tmp.fortran_vec (), d.numel ()); |
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4805
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291 os << "\n"; |
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292 } |
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293 else |
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4687
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294 { |
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4805
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295 // Keep this case, rather than use generic code above for |
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296 // backward compatiability. Makes load_ascii much more complex!! |
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297 charMatrix chm = char_matrix_value (); |
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5275
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298 octave_idx_type elements = chm.rows (); |
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4805
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299 os << "# elements: " << elements << "\n"; |
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5275
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300 for (octave_idx_type i = 0; i < elements; i++) |
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4805
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301 { |
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302 unsigned len = chm.cols (); |
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303 os << "# length: " << len << "\n"; |
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304 std::string tstr = chm.row_as_string (i, false, true); |
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305 const char *tmp = tstr.data (); |
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306 if (tstr.length () > len) |
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307 panic_impossible (); |
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5760
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308 os.write (tmp, len); |
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4805
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309 os << "\n"; |
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310 } |
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4687
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311 } |
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312 |
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313 return true; |
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314 } |
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315 |
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316 bool |
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317 octave_char_matrix_str::load_ascii (std::istream& is) |
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318 { |
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319 bool success = true; |
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5099
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320 |
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321 string_vector keywords(3); |
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322 |
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323 keywords[0] = "ndims"; |
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324 keywords[1] = "elements"; |
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325 keywords[2] = "length"; |
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326 |
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327 std::string kw; |
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328 int val = 0; |
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4687
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329 |
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5099
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330 if (extract_keyword (is, keywords, kw, val, true)) |
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4687
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331 { |
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5099
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332 if (kw == "ndims") |
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4687
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333 { |
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5099
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334 int mdims = val; |
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335 |
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336 if (mdims >= 0) |
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337 { |
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338 dim_vector dv; |
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339 dv.resize (mdims); |
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4805
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340 |
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5099
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341 for (int i = 0; i < mdims; i++) |
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342 is >> dv(i); |
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4687
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343 |
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5099
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344 charNDArray tmp(dv); |
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345 char *ftmp = tmp.fortran_vec (); |
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346 |
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347 // Skip the return line |
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348 if (! is.read (ftmp, 1)) |
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349 return false; |
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4805
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350 |
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5099
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351 if (! is.read (ftmp, dv.numel ()) || !is) |
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352 { |
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353 error ("load: failed to load string constant"); |
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354 success = false; |
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355 } |
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356 else |
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357 matrix = tmp; |
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358 } |
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359 else |
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4687
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360 { |
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5099
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361 error ("load: failed to extract matrix size"); |
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4805
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362 success = false; |
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4687
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363 } |
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364 } |
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5099
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365 else if (kw == "elements") |
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4687
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366 { |
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5099
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367 int elements = val; |
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4805
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368 |
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369 if (elements >= 0) |
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370 { |
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5775
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371 // FIXME -- need to be able to get max length |
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4805
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372 // before doing anything. |
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4687
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373 |
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4805
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374 charMatrix chm (elements, 0); |
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375 int max_len = 0; |
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376 for (int i = 0; i < elements; i++) |
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377 { |
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378 int len; |
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379 if (extract_keyword (is, "length", len) && len >= 0) |
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380 { |
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381 OCTAVE_LOCAL_BUFFER (char, tmp, len+1); |
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382 |
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383 if (len > 0 && ! |
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5760
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384 is.read (tmp, len)) |
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4805
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385 { |
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386 error ("load: failed to load string constant"); |
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387 success = false; |
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388 break; |
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389 } |
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390 else |
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391 { |
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392 tmp [len] = '\0'; |
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393 if (len > max_len) |
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394 { |
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395 max_len = len; |
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396 chm.resize (elements, max_len, 0); |
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397 } |
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398 chm.insert (tmp, i, 0); |
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399 } |
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400 } |
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401 else |
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402 { |
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403 error ("load: failed to extract string length for element %d", |
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404 i+1); |
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405 success = false; |
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406 } |
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407 } |
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408 |
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409 if (! error_state) |
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410 matrix = chm; |
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4687
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411 } |
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412 else |
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413 { |
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4805
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414 error ("load: failed to extract number of string elements"); |
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415 success = false; |
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416 } |
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417 } |
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5099
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418 else if (kw == "length") |
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4805
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419 { |
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5099
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420 int len = val; |
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4805
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421 |
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5099
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422 if (len >= 0) |
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4805
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423 { |
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424 // This is cruft for backward compatiability, |
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425 // but relatively harmless. |
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426 |
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427 OCTAVE_LOCAL_BUFFER (char, tmp, len+1); |
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428 |
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5760
|
429 if (len > 0 && ! is.read (tmp, len)) |
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4805
|
430 { |
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431 error ("load: failed to load string constant"); |
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432 } |
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4687
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433 else |
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4805
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434 { |
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435 tmp [len] = '\0'; |
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436 |
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437 if (is) |
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438 matrix = charMatrix (tmp); |
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439 else |
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440 error ("load: failed to load string constant"); |
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441 } |
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4687
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442 } |
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443 } |
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5099
|
444 else |
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445 panic_impossible (); |
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446 } |
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447 else |
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448 { |
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449 error ("load: failed to extract number of rows and columns"); |
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|
450 success = false; |
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4687
|
451 } |
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452 |
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453 return success; |
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454 } |
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455 |
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|
456 bool |
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|
457 octave_char_matrix_str::save_binary (std::ostream& os, |
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|
458 bool& /* save_as_floats */) |
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|
459 { |
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4805
|
460 dim_vector d = dims (); |
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|
461 if (d.length() < 1) |
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|
462 return false; |
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463 |
|
|
464 // Use negative value for ndims to differentiate with old format!! |
|
|
465 FOUR_BYTE_INT tmp = - d.length(); |
|
5760
|
466 os.write (reinterpret_cast<char *> (&tmp), 4); |
|
4805
|
467 for (int i=0; i < d.length (); i++) |
|
4687
|
468 { |
|
4805
|
469 tmp = d(i); |
|
5760
|
470 os.write (reinterpret_cast<char *> (&tmp), 4); |
|
4687
|
471 } |
|
4805
|
472 |
|
|
473 charNDArray m = char_array_value (); |
|
|
474 os.write (m.fortran_vec (), d.numel ()); |
|
4687
|
475 return true; |
|
|
476 } |
|
|
477 |
|
|
478 bool |
|
|
479 octave_char_matrix_str::load_binary (std::istream& is, bool swap, |
|
|
480 oct_mach_info::float_format /* fmt */) |
|
|
481 { |
|
|
482 FOUR_BYTE_INT elements; |
|
5760
|
483 if (! is.read (reinterpret_cast<char *> (&elements), 4)) |
|
4687
|
484 return false; |
|
|
485 if (swap) |
|
4944
|
486 swap_bytes<4> (&elements); |
|
4805
|
487 |
|
|
488 if (elements < 0) |
|
4687
|
489 { |
|
4805
|
490 FOUR_BYTE_INT mdims = - elements; |
|
|
491 FOUR_BYTE_INT di; |
|
|
492 dim_vector dv; |
|
|
493 dv.resize (mdims); |
|
|
494 |
|
|
495 for (int i = 0; i < mdims; i++) |
|
|
496 { |
|
5760
|
497 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
|
4805
|
498 return false; |
|
|
499 if (swap) |
|
4944
|
500 swap_bytes<4> (&di); |
|
4805
|
501 dv(i) = di; |
|
|
502 } |
|
|
503 |
|
5157
|
504 // Convert an array with a single dimension to be a row vector. |
|
|
505 // Octave should never write files like this, other software |
|
|
506 // might. |
|
|
507 |
|
|
508 if (mdims == 1) |
|
|
509 { |
|
|
510 mdims = 2; |
|
|
511 dv.resize (mdims); |
|
|
512 dv(1) = dv(0); |
|
|
513 dv(0) = 1; |
|
|
514 } |
|
|
515 |
|
4805
|
516 charNDArray m(dv); |
|
|
517 char *tmp = m.fortran_vec (); |
|
|
518 is.read (tmp, dv.numel ()); |
|
|
519 |
|
|
520 if (error_state || ! is) |
|
4687
|
521 return false; |
|
4805
|
522 matrix = m; |
|
|
523 } |
|
|
524 else |
|
|
525 { |
|
|
526 charMatrix chm (elements, 0); |
|
|
527 int max_len = 0; |
|
|
528 for (int i = 0; i < elements; i++) |
|
4687
|
529 { |
|
4805
|
530 FOUR_BYTE_INT len; |
|
5760
|
531 if (! is.read (reinterpret_cast<char *> (&len), 4)) |
|
4805
|
532 return false; |
|
|
533 if (swap) |
|
4944
|
534 swap_bytes<4> (&len); |
|
4805
|
535 OCTAVE_LOCAL_BUFFER (char, btmp, len+1); |
|
5760
|
536 if (! is.read (reinterpret_cast<char *> (btmp), len)) |
|
4805
|
537 return false; |
|
|
538 if (len > max_len) |
|
|
539 { |
|
|
540 max_len = len; |
|
|
541 chm.resize (elements, max_len, 0); |
|
|
542 } |
|
|
543 btmp [len] = '\0'; |
|
|
544 chm.insert (btmp, i, 0); |
|
4687
|
545 } |
|
4805
|
546 matrix = chm; |
|
4687
|
547 } |
|
|
548 return true; |
|
|
549 } |
|
|
550 |
|
|
551 #if defined (HAVE_HDF5) |
|
4944
|
552 |
|
4687
|
553 bool |
|
|
554 octave_char_matrix_str::save_hdf5 (hid_t loc_id, const char *name, |
|
|
555 bool /* save_as_floats */) |
|
|
556 { |
|
4837
|
557 dim_vector dv = dims (); |
|
|
558 int empty = save_hdf5_empty (loc_id, name, dv); |
|
|
559 if (empty) |
|
4805
|
560 return (empty > 0); |
|
4687
|
561 |
|
4837
|
562 int rank = dv.length (); |
|
4805
|
563 hid_t space_hid = -1, data_hid = -1; |
|
|
564 bool retval = true; |
|
|
565 charNDArray m = char_array_value (); |
|
|
566 |
|
|
567 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
4687
|
568 |
|
4805
|
569 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
570 for (int i = 0; i < rank; i++) |
|
4837
|
571 hdims[i] = dv (rank-i-1); |
|
4805
|
572 |
|
4815
|
573 space_hid = H5Screate_simple (rank, hdims, 0); |
|
4805
|
574 if (space_hid < 0) |
|
|
575 return false; |
|
4687
|
576 |
|
4805
|
577 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_CHAR, space_hid, |
|
|
578 H5P_DEFAULT); |
|
|
579 if (data_hid < 0) |
|
4687
|
580 { |
|
4805
|
581 H5Sclose (space_hid); |
|
4687
|
582 return false; |
|
|
583 } |
|
|
584 |
|
4837
|
585 OCTAVE_LOCAL_BUFFER (char, s, dv.numel ()); |
|
4687
|
586 |
|
4837
|
587 for (int i = 0; i < dv.numel (); ++i) |
|
4805
|
588 s[i] = m(i); |
|
4687
|
589 |
|
4805
|
590 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
|
4815
|
591 H5P_DEFAULT, s) >= 0; |
|
4687
|
592 |
|
|
593 H5Dclose (data_hid); |
|
|
594 H5Sclose (space_hid); |
|
4837
|
595 |
|
4687
|
596 return retval; |
|
|
597 } |
|
|
598 |
|
|
599 bool |
|
|
600 octave_char_matrix_str::load_hdf5 (hid_t loc_id, const char *name, |
|
|
601 bool /* have_h5giterate_bug */) |
|
|
602 { |
|
4837
|
603 bool retval = false; |
|
|
604 |
|
4805
|
605 dim_vector dv; |
|
|
606 int empty = load_hdf5_empty (loc_id, name, dv); |
|
|
607 if (empty > 0) |
|
|
608 matrix.resize(dv); |
|
4837
|
609 if (empty) |
|
|
610 return (empty > 0); |
|
4805
|
611 |
|
4687
|
612 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
613 hid_t space_hid = H5Dget_space (data_hid); |
|
|
614 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); |
|
|
615 hid_t type_hid = H5Dget_type (data_hid); |
|
4805
|
616 hid_t type_class_hid = H5Tget_class (type_hid); |
|
4687
|
617 |
|
4805
|
618 if (type_class_hid == H5T_INTEGER) |
|
4687
|
619 { |
|
4805
|
620 if (rank < 1) |
|
4687
|
621 { |
|
|
622 H5Tclose (type_hid); |
|
|
623 H5Sclose (space_hid); |
|
|
624 H5Dclose (data_hid); |
|
|
625 return false; |
|
|
626 } |
|
4805
|
627 |
|
|
628 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
629 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
|
630 |
|
|
631 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
|
|
632 |
|
|
633 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
634 if (rank == 1) |
|
|
635 { |
|
|
636 dv.resize (2); |
|
|
637 dv(0) = 1; |
|
|
638 dv(1) = hdims[0]; |
|
|
639 } |
|
4687
|
640 else |
|
|
641 { |
|
4805
|
642 dv.resize (rank); |
|
4815
|
643 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
|
4805
|
644 dv(j) = hdims[i]; |
|
|
645 } |
|
|
646 |
|
|
647 charNDArray m (dv); |
|
|
648 char *str = m.fortran_vec (); |
|
|
649 if (H5Dread (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
|
4815
|
650 H5P_DEFAULT, str) >= 0) |
|
4805
|
651 { |
|
|
652 retval = true; |
|
|
653 matrix = m; |
|
|
654 } |
|
|
655 |
|
|
656 H5Tclose (type_hid); |
|
|
657 H5Sclose (space_hid); |
|
|
658 H5Dclose (data_hid); |
|
|
659 return true; |
|
|
660 } |
|
|
661 else |
|
|
662 { |
|
|
663 // This is cruft for backward compatiability and easy data |
|
|
664 // importation |
|
|
665 if (rank == 0) |
|
|
666 { |
|
|
667 // a single string: |
|
|
668 int slen = H5Tget_size (type_hid); |
|
|
669 if (slen < 0) |
|
4687
|
670 { |
|
|
671 H5Tclose (type_hid); |
|
|
672 H5Sclose (space_hid); |
|
|
673 H5Dclose (data_hid); |
|
|
674 return false; |
|
|
675 } |
|
4805
|
676 else |
|
|
677 { |
|
|
678 OCTAVE_LOCAL_BUFFER (char, s, slen); |
|
|
679 // create datatype for (null-terminated) string |
|
|
680 // to read into: |
|
|
681 hid_t st_id = H5Tcopy (H5T_C_S1); |
|
|
682 H5Tset_size (st_id, slen); |
|
5760
|
683 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, s) < 0) |
|
4805
|
684 { |
|
|
685 H5Tclose (st_id); |
|
|
686 H5Tclose (type_hid); |
|
|
687 H5Sclose (space_hid); |
|
|
688 H5Dclose (data_hid); |
|
|
689 return false; |
|
|
690 } |
|
4687
|
691 |
|
4805
|
692 matrix = charMatrix (s); |
|
4687
|
693 |
|
4805
|
694 H5Tclose (st_id); |
|
|
695 H5Tclose (type_hid); |
|
|
696 H5Sclose (space_hid); |
|
|
697 H5Dclose (data_hid); |
|
|
698 return true; |
|
|
699 } |
|
4687
|
700 } |
|
4805
|
701 else if (rank == 1) |
|
|
702 { |
|
|
703 // string vector |
|
|
704 hsize_t elements, maxdim; |
|
|
705 H5Sget_simple_extent_dims (space_hid, &elements, &maxdim); |
|
|
706 int slen = H5Tget_size (type_hid); |
|
|
707 if (slen < 0) |
|
|
708 { |
|
|
709 H5Tclose (type_hid); |
|
|
710 H5Sclose (space_hid); |
|
|
711 H5Dclose (data_hid); |
|
|
712 return false; |
|
|
713 } |
|
|
714 else |
|
|
715 { |
|
|
716 // hdf5 string arrays store strings of all the |
|
|
717 // same physical length (I think), which is |
|
|
718 // slightly wasteful, but oh well. |
|
|
719 |
|
|
720 OCTAVE_LOCAL_BUFFER (char, s, elements * slen); |
|
|
721 |
|
|
722 // create datatype for (null-terminated) string |
|
|
723 // to read into: |
|
|
724 hid_t st_id = H5Tcopy (H5T_C_S1); |
|
|
725 H5Tset_size (st_id, slen); |
|
|
726 |
|
5760
|
727 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, s) < 0) |
|
4805
|
728 { |
|
|
729 H5Tclose (st_id); |
|
|
730 H5Tclose (type_hid); |
|
|
731 H5Sclose (space_hid); |
|
|
732 H5Dclose (data_hid); |
|
|
733 return false; |
|
|
734 } |
|
|
735 |
|
|
736 charMatrix chm (elements, slen - 1); |
|
|
737 for (hsize_t i = 0; i < elements; ++i) |
|
|
738 { |
|
|
739 chm.insert (s + i*slen, i, 0); |
|
|
740 } |
|
|
741 |
|
|
742 matrix = chm; |
|
|
743 |
|
|
744 H5Tclose (st_id); |
|
|
745 H5Tclose (type_hid); |
|
|
746 H5Sclose (space_hid); |
|
|
747 H5Dclose (data_hid); |
|
|
748 return true; |
|
|
749 } |
|
|
750 } |
|
|
751 else |
|
4687
|
752 { |
|
|
753 H5Tclose (type_hid); |
|
|
754 H5Sclose (space_hid); |
|
|
755 H5Dclose (data_hid); |
|
|
756 return false; |
|
|
757 } |
|
|
758 } |
|
4837
|
759 |
|
|
760 return retval; |
|
4687
|
761 } |
|
4944
|
762 |
|
4687
|
763 #endif |
|
|
764 |
|
5758
|
765 static int |
|
|
766 warn_str_to_num (void) |
|
|
767 { |
|
|
768 Vwarn_str_to_num = check_preference ("warn_str_to_num"); |
|
|
769 |
|
|
770 return 0; |
|
|
771 } |
|
|
772 |
|
|
773 void |
|
|
774 symbols_of_ov_str_mat (void) |
|
|
775 { |
|
|
776 DEFVAR (warn_str_to_num, false, warn_str_to_num, |
|
|
777 "-*- texinfo -*-\n\ |
|
|
778 @defvr {Built-in Variable} warn_str_to_num\n\ |
|
|
779 If the value of @code{warn_str_to_num} is nonzero, a warning is printed\n\ |
|
|
780 for implicit conversions of strings to their numeric ASCII equivalents.\n\ |
|
|
781 For example,\n\ |
|
|
782 @example\n\ |
|
|
783 @group\n\ |
|
|
784 \"abc\" + 0\n\ |
|
|
785 @result{} 97 98 99\n\ |
|
|
786 @end group\n\ |
|
|
787 @end example\n\ |
|
|
788 elicits a warning if @code{warn_str_to_num} is nonzero. The default\n\ |
|
|
789 value is 0.\n\ |
|
|
790 @end defvr"); |
|
|
791 } |
|
|
792 |
|
2376
|
793 /* |
|
|
794 ;;; Local Variables: *** |
|
|
795 ;;; mode: C++ *** |
|
|
796 ;;; End: *** |
|
|
797 */ |
