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1 /* |
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2 |
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3 Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007 |
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4 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 3 of the License, or (at your |
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11 option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <http://www.gnu.org/licenses/>. |
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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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28 #include <iomanip> |
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3503
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29 #include <iostream> |
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30 #include <sstream> |
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31 #include <vector> |
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32 |
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5360
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33 #include "Array-util.h" |
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34 #include "byte-swap.h" |
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3353
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35 #include "lo-utils.h" |
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4153
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36 #include "quit.h" |
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37 |
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38 #include "defun.h" |
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39 #include "error.h" |
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40 #include "ov-cell.h" |
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3354
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41 #include "oct-obj.h" |
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3353
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42 #include "unwind-prot.h" |
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3354
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43 #include "utils.h" |
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3928
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44 #include "ov-base-mat.h" |
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45 #include "ov-base-mat.cc" |
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46 #include "ov-re-mat.h" |
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47 #include "ov-scalar.h" |
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5360
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48 #include "pr-output.h" |
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49 #include "ov-scalar.h" |
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50 |
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51 #include "ls-oct-ascii.h" |
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52 #include "ls-oct-binary.h" |
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53 #include "ls-hdf5.h" |
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54 #include "ls-utils.h" |
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55 |
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3928
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56 template class octave_base_matrix<Cell>; |
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57 |
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58 DEFINE_OCTAVE_ALLOCATOR (octave_cell); |
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59 |
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4612
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60 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_cell, "cell", "cell"); |
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61 |
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6833
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62 static void |
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63 gripe_failed_assignment (void) |
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64 { |
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65 error ("assignment to cell array failed"); |
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66 } |
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67 |
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4994
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68 octave_value_list |
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4247
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69 octave_cell::subsref (const std::string& type, |
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70 const std::list<octave_value_list>& idx, int nargout) |
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71 { |
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72 octave_value_list retval; |
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73 |
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74 switch (type[0]) |
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75 { |
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76 case '(': |
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77 retval(0) = do_index_op (idx.front ()); |
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78 break; |
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79 |
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80 case '{': |
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81 { |
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82 octave_value tmp = do_index_op (idx.front ()); |
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83 |
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84 if (! error_state) |
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85 { |
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86 Cell tcell = tmp.cell_value (); |
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87 |
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88 if (tcell.length () == 1) |
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89 retval(0) = tcell(0,0); |
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90 else |
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91 { |
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92 octave_idx_type n = tcell.numel (); |
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93 |
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94 octave_value_list lst (n, octave_value ()); |
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95 |
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96 for (octave_idx_type i = 0; i < n; i++) |
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97 { |
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98 OCTAVE_QUIT; |
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99 lst(i) = tcell(i); |
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100 } |
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101 |
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102 retval(0) = octave_value (lst, true); |
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103 } |
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104 } |
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105 } |
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106 break; |
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107 |
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108 case '.': |
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109 { |
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110 std::string nm = type_name (); |
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111 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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112 } |
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113 break; |
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114 |
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115 default: |
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116 panic_impossible (); |
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117 } |
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118 |
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119 // FIXME -- perhaps there should be an |
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120 // octave_value_list::next_subsref member function? See also |
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121 // octave_user_function::subsref. |
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122 |
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123 if (idx.size () > 1) |
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124 retval = retval(0).next_subsref (nargout, type, idx); |
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125 |
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126 return retval; |
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127 } |
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128 |
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129 octave_value |
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130 octave_cell::subsasgn (const std::string& type, |
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131 const std::list<octave_value_list>& idx, |
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132 const octave_value& rhs) |
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133 { |
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134 octave_value retval; |
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135 |
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136 int n = type.length (); |
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137 |
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138 octave_value t_rhs = rhs; |
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139 |
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140 if (n > 1) |
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141 { |
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142 switch (type[0]) |
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143 { |
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144 case '(': |
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145 { |
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146 if (is_empty () && type[1] == '.') |
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147 { |
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148 // Allow conversion of empty cell array to some other |
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149 // type in cases like |
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150 // |
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151 // x = []; x(i).f = rhs |
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152 |
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153 octave_value tmp = octave_value::empty_conv (type, rhs); |
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154 |
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155 return tmp.subsasgn (type, idx, rhs); |
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156 } |
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157 else |
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158 { |
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159 octave_value tmp = do_index_op (idx.front (), true); |
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160 |
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161 if (! tmp.is_defined ()) |
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162 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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163 |
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164 if (! error_state) |
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165 { |
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166 std::list<octave_value_list> next_idx (idx); |
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167 |
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168 next_idx.erase (next_idx.begin ()); |
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169 |
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170 tmp.make_unique (); |
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171 |
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172 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); |
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173 } |
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3933
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174 } |
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175 } |
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176 break; |
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177 |
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178 case '{': |
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179 { |
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180 octave_value tmp = do_index_op (idx.front (), true); |
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181 |
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182 if (! tmp.is_defined ()) |
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183 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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184 |
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185 if (! error_state) |
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186 { |
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187 const Cell tcell = tmp.cell_value (); |
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188 |
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189 if (! error_state && tcell.length () == 1) |
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190 { |
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191 tmp = tcell(0,0); |
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192 |
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193 std::list<octave_value_list> next_idx (idx); |
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194 |
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195 next_idx.erase (next_idx.begin ()); |
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3933
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196 |
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197 tmp.make_unique (); |
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198 |
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199 if (! tmp.is_defined () || tmp.is_zero_by_zero ()) |
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200 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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201 |
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202 if (! error_state) |
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203 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); |
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204 } |
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3933
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205 } |
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206 } |
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207 break; |
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208 |
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209 case '.': |
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210 { |
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211 std::string nm = type_name (); |
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212 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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213 } |
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214 break; |
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215 |
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216 default: |
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217 panic_impossible (); |
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218 } |
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219 } |
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220 |
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221 if (! error_state) |
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222 { |
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223 switch (type[0]) |
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224 { |
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225 case '(': |
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226 { |
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227 octave_value_list i = idx.front (); |
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228 |
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229 if (t_rhs.is_cell ()) |
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230 octave_base_matrix<Cell>::assign (i, t_rhs.cell_value ()); |
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231 else |
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232 if (t_rhs.is_empty ()) |
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233 octave_base_matrix<Cell>::assign (i, Cell()); |
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234 else |
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235 octave_base_matrix<Cell>::assign (i, Cell (t_rhs)); |
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236 |
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237 if (! error_state) |
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238 { |
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239 count++; |
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240 retval = octave_value (this); |
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241 } |
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242 else |
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243 gripe_failed_assignment (); |
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3940
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244 } |
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245 break; |
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3933
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246 |
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3940
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247 case '{': |
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248 { |
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249 octave_value_list i = idx.front (); |
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3933
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250 |
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251 if (t_rhs.is_cs_list ()) |
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252 { |
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253 Cell tmp_cell = Cell (t_rhs.list_value ()); |
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254 |
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7040
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255 // The shape of the RHS is irrelevant, we just want |
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256 // the number of elements to agree and to preserve the |
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257 // shape of the left hand side of the assignment. |
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258 |
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259 if (numel () == tmp_cell.numel ()) |
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260 tmp_cell = tmp_cell.reshape (dims ()); |
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5846
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261 |
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262 octave_base_matrix<Cell>::assign (i, tmp_cell); |
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263 } |
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264 else |
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265 octave_base_matrix<Cell>::assign (i, Cell (t_rhs)); |
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3933
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266 |
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6833
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267 if (! error_state) |
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268 { |
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269 count++; |
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270 retval = octave_value (this); |
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271 } |
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272 else |
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273 gripe_failed_assignment (); |
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3940
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274 } |
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275 break; |
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3933
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276 |
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3940
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277 case '.': |
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278 { |
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279 std::string nm = type_name (); |
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280 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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281 } |
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282 break; |
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3933
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283 |
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3940
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284 default: |
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285 panic_impossible (); |
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286 } |
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3933
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287 } |
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288 |
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289 return retval; |
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290 } |
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291 |
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292 void |
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293 octave_cell::assign (const octave_value_list& idx, const octave_value& rhs) |
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294 { |
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295 if (rhs.is_cell ()) |
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296 octave_base_matrix<Cell>::assign (idx, rhs.cell_value ()); |
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297 else |
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3928
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298 octave_base_matrix<Cell>::assign (idx, Cell (rhs)); |
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3353
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299 } |
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300 |
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4791
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301 size_t |
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302 octave_cell::byte_size (void) const |
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303 { |
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304 size_t retval = 0; |
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305 |
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5275
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306 for (octave_idx_type i = 0; i < numel (); i++) |
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4791
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307 retval += matrix(i).byte_size (); |
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308 |
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309 return retval; |
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310 } |
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311 |
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3933
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312 octave_value_list |
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313 octave_cell::list_value (void) const |
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314 { |
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315 octave_value_list retval; |
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316 |
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5275
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317 octave_idx_type nr = rows (); |
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318 octave_idx_type nc = columns (); |
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3933
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319 |
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320 if (nr == 1 && nc > 0) |
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321 { |
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322 retval.resize (nc); |
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323 |
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5275
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324 for (octave_idx_type i = 0; i < nc; i++) |
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3933
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325 retval(i) = matrix(0,i); |
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326 } |
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327 else if (nc == 1 && nr > 0) |
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328 { |
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329 retval.resize (nr); |
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330 |
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5275
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331 for (octave_idx_type i = 0; i < nr; i++) |
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3933
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332 retval(i) = matrix(i,0); |
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333 } |
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334 else |
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335 error ("invalid conversion from cell array to list"); |
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336 |
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337 return retval; |
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338 } |
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339 |
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4243
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340 string_vector |
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5715
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341 octave_cell::all_strings (bool pad) const |
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4243
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342 { |
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4358
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343 string_vector retval; |
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344 |
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5275
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345 octave_idx_type nr = rows (); |
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346 octave_idx_type nc = columns (); |
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4243
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347 |
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4358
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348 int n_elts = 0; |
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349 |
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5275
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350 octave_idx_type max_len = 0; |
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4358
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351 |
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5275
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352 for (octave_idx_type j = 0; j < nc; j++) |
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4358
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353 { |
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5275
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354 for (octave_idx_type i = 0; i < nr; i++) |
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4358
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355 { |
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4722
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356 string_vector s = matrix(i,j).all_strings (); |
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4358
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357 |
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4722
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358 if (error_state) |
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359 return retval; |
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4358
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360 |
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4722
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361 n_elts += s.length (); |
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4358
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362 |
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5275
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363 octave_idx_type s_max_len = s.max_length (); |
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4358
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364 |
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4722
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365 if (s_max_len > max_len) |
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366 max_len = s_max_len; |
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4358
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367 } |
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368 } |
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369 |
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370 retval.resize (n_elts); |
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4243
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371 |
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5275
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372 octave_idx_type k = 0; |
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4243
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373 |
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5275
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374 for (octave_idx_type j = 0; j < nc; j++) |
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4243
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375 { |
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5275
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376 for (octave_idx_type i = 0; i < nr; i++) |
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4243
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377 { |
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4358
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378 string_vector s = matrix(i,j).all_strings (); |
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379 |
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380 int n = s.length (); |
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4243
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381 |
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5275
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382 for (octave_idx_type ii = 0; ii < n; ii++) |
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5715
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383 { |
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384 std::string t = s[ii]; |
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385 int t_len = t.length (); |
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386 |
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387 if (pad && max_len > t_len) |
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388 t += std::string (max_len - t_len, ' '); |
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389 |
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390 retval[k++] = t; |
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391 } |
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4243
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392 } |
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393 } |
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394 |
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395 return retval; |
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396 } |
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397 |
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4604
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398 bool |
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399 octave_cell::print_as_scalar (void) const |
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400 { |
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401 return (ndims () > 2 || numel () == 0); |
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402 } |
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403 |
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3933
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404 void |
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405 octave_cell::print (std::ostream& os, bool) const |
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406 { |
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407 print_raw (os); |
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408 } |
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409 |
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410 void |
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411 octave_cell::print_raw (std::ostream& os, bool) const |
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412 { |
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4587
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413 int nd = matrix.ndims (); |
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4513
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414 |
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4587
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415 if (nd == 2) |
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4513
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416 { |
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5275
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417 octave_idx_type nr = rows (); |
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418 octave_idx_type nc = columns (); |
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4513
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419 |
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420 if (nr > 0 && nc > 0) |
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421 { |
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422 indent (os); |
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423 os << "{"; |
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424 newline (os); |
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425 |
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426 increment_indent_level (); |
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427 |
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5275
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428 for (octave_idx_type j = 0; j < nc; j++) |
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4513
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429 { |
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5275
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430 for (octave_idx_type i = 0; i < nr; i++) |
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4513
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431 { |
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432 OCTAVE_QUIT; |
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433 |
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5765
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434 std::ostringstream buf; |
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435 buf << "[" << i+1 << "," << j+1 << "]"; |
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3933
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436 |
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4513
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437 octave_value val = matrix(i,j); |
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438 |
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5765
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439 val.print_with_name (os, buf.str ()); |
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4513
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440 } |
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441 } |
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442 |
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443 decrement_indent_level (); |
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444 |
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445 indent (os); |
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446 os << "}"; |
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447 newline (os); |
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448 } |
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449 else |
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450 { |
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451 os << "{}"; |
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5360
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452 if (Vprint_empty_dimensions) |
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4513
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453 os << "(" << nr << "x" << nc << ")"; |
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454 os << "\n"; |
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455 } |
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456 } |
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457 else |
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3933
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458 { |
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459 indent (os); |
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4513
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460 dim_vector dv = matrix.dims (); |
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4587
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461 os << "{" << dv.str () << " Cell Array}"; |
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3933
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462 newline (os); |
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463 } |
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464 } |
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465 |
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4687
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466 #define CELL_ELT_TAG "<cell-element>" |
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467 |
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468 bool |
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6974
|
469 octave_cell::save_ascii (std::ostream& os) |
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4687
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470 { |
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|
471 dim_vector d = dims (); |
|
|
472 if (d.length () > 2) |
|
|
473 { |
|
|
474 os << "# ndims: " << d.length () << "\n"; |
|
|
475 |
|
5275
|
476 for (int i = 0; i < d.length (); i++) |
|
4687
|
477 os << " " << d (i); |
|
|
478 os << "\n"; |
|
|
479 |
|
|
480 Cell tmp = cell_value (); |
|
|
481 |
|
5275
|
482 for (octave_idx_type i = 0; i < d.numel (); i++) |
|
4687
|
483 { |
|
|
484 octave_value o_val = tmp.elem (i); |
|
|
485 |
|
|
486 // Recurse to print sub-value. |
|
6974
|
487 bool b = save_ascii_data (os, o_val, CELL_ELT_TAG, false, 0); |
|
4687
|
488 |
|
|
489 if (! b) |
|
|
490 return os; |
|
|
491 } |
|
|
492 } |
|
|
493 else |
|
|
494 { |
|
|
495 // Keep this case, rather than use generic code above for backward |
|
|
496 // compatiability. Makes load_ascii much more complex!! |
|
|
497 os << "# rows: " << rows () << "\n" |
|
|
498 << "# columns: " << columns () << "\n"; |
|
|
499 |
|
|
500 Cell tmp = cell_value (); |
|
|
501 |
|
5275
|
502 for (octave_idx_type j = 0; j < tmp.cols (); j++) |
|
4687
|
503 { |
|
5275
|
504 for (octave_idx_type i = 0; i < tmp.rows (); i++) |
|
4687
|
505 { |
|
|
506 octave_value o_val = tmp.elem (i, j); |
|
|
507 |
|
|
508 // Recurse to print sub-value. |
|
6974
|
509 bool b = save_ascii_data (os, o_val, CELL_ELT_TAG, false, 0); |
|
4687
|
510 |
|
|
511 if (! b) |
|
|
512 return os; |
|
|
513 } |
|
|
514 |
|
|
515 os << "\n"; |
|
|
516 } |
|
|
517 } |
|
|
518 |
|
|
519 return true; |
|
|
520 } |
|
|
521 |
|
|
522 bool |
|
|
523 octave_cell::load_ascii (std::istream& is) |
|
|
524 { |
|
|
525 bool success = true; |
|
5099
|
526 |
|
|
527 string_vector keywords(2); |
|
4687
|
528 |
|
5099
|
529 keywords[0] = "ndims"; |
|
|
530 keywords[1] = "rows"; |
|
|
531 |
|
|
532 std::string kw; |
|
5275
|
533 octave_idx_type val = 0; |
|
5099
|
534 |
|
|
535 if (extract_keyword (is, keywords, kw, val, true)) |
|
4687
|
536 { |
|
5099
|
537 if (kw == "ndims") |
|
4687
|
538 { |
|
5275
|
539 int mdims = static_cast<int> (val); |
|
4687
|
540 |
|
5099
|
541 if (mdims >= 0) |
|
|
542 { |
|
|
543 dim_vector dv; |
|
|
544 dv.resize (mdims); |
|
|
545 |
|
|
546 for (int i = 0; i < mdims; i++) |
|
|
547 is >> dv(i); |
|
4687
|
548 |
|
5099
|
549 Cell tmp(dv); |
|
4687
|
550 |
|
5275
|
551 for (octave_idx_type i = 0; i < dv.numel (); i++) |
|
5099
|
552 { |
|
|
553 octave_value t2; |
|
|
554 bool dummy; |
|
|
555 |
|
|
556 // recurse to read cell elements |
|
|
557 std::string nm = read_ascii_data (is, std::string (), |
|
5759
|
558 dummy, t2, i); |
|
4687
|
559 |
|
5099
|
560 if (nm == CELL_ELT_TAG) |
|
|
561 { |
|
|
562 if (is) |
|
|
563 tmp.elem (i) = t2; |
|
|
564 } |
|
|
565 else |
|
|
566 { |
|
|
567 error ("load: cell array element had unexpected name"); |
|
|
568 success = false; |
|
|
569 break; |
|
|
570 } |
|
|
571 } |
|
4687
|
572 |
|
5099
|
573 if (is) |
|
|
574 matrix = tmp; |
|
4687
|
575 else |
|
|
576 { |
|
5099
|
577 error ("load: failed to load matrix constant"); |
|
4687
|
578 success = false; |
|
|
579 } |
|
|
580 } |
|
|
581 else |
|
|
582 { |
|
5099
|
583 error ("load: failed to extract number of rows and columns"); |
|
|
584 success = false; |
|
|
585 } |
|
|
586 } |
|
|
587 else if (kw == "rows") |
|
|
588 { |
|
5275
|
589 octave_idx_type nr = val; |
|
|
590 octave_idx_type nc = 0; |
|
5099
|
591 |
|
|
592 if (nr >= 0 && extract_keyword (is, "columns", nc) && nc >= 0) |
|
|
593 { |
|
|
594 if (nr > 0 && nc > 0) |
|
|
595 { |
|
|
596 Cell tmp (nr, nc); |
|
|
597 |
|
5275
|
598 for (octave_idx_type j = 0; j < nc; j++) |
|
5099
|
599 { |
|
5275
|
600 for (octave_idx_type i = 0; i < nr; i++) |
|
5099
|
601 { |
|
|
602 octave_value t2; |
|
|
603 bool dummy; |
|
|
604 |
|
|
605 // recurse to read cell elements |
|
|
606 std::string nm = read_ascii_data (is, std::string (), |
|
5759
|
607 dummy, t2, i); |
|
5099
|
608 |
|
|
609 if (nm == CELL_ELT_TAG) |
|
|
610 { |
|
|
611 if (is) |
|
|
612 tmp.elem (i, j) = t2; |
|
|
613 } |
|
|
614 else |
|
|
615 { |
|
|
616 error ("load: cell array element had unexpected name"); |
|
|
617 success = false; |
|
|
618 goto cell_read_error; |
|
|
619 } |
|
|
620 } |
|
|
621 } |
|
|
622 |
|
|
623 cell_read_error: |
|
|
624 |
|
|
625 if (is) |
|
|
626 matrix = tmp; |
|
|
627 else |
|
|
628 { |
|
|
629 error ("load: failed to load cell element"); |
|
|
630 success = false; |
|
|
631 } |
|
|
632 } |
|
|
633 else if (nr == 0 || nc == 0) |
|
|
634 matrix = Cell (nr, nc); |
|
|
635 else |
|
|
636 panic_impossible (); |
|
|
637 } |
|
|
638 else |
|
|
639 { |
|
|
640 error ("load: failed to extract number of rows and columns for cell array"); |
|
4687
|
641 success = false; |
|
|
642 } |
|
|
643 } |
|
|
644 else |
|
5099
|
645 panic_impossible (); |
|
4687
|
646 } |
|
|
647 else |
|
|
648 { |
|
5099
|
649 error ("load: failed to extract number of rows and columns"); |
|
|
650 success = false; |
|
4687
|
651 } |
|
|
652 |
|
|
653 return success; |
|
|
654 } |
|
|
655 |
|
|
656 bool |
|
|
657 octave_cell::save_binary (std::ostream& os, bool& save_as_floats) |
|
|
658 { |
|
|
659 dim_vector d = dims (); |
|
|
660 if (d.length () < 1) |
|
|
661 return false; |
|
|
662 |
|
|
663 // Use negative value for ndims |
|
5828
|
664 int32_t di = - d.length(); |
|
5760
|
665 os.write (reinterpret_cast<char *> (&di), 4); |
|
5275
|
666 for (int i = 0; i < d.length (); i++) |
|
4687
|
667 { |
|
|
668 di = d(i); |
|
5760
|
669 os.write (reinterpret_cast<char *> (&di), 4); |
|
4687
|
670 } |
|
|
671 |
|
|
672 Cell tmp = cell_value (); |
|
|
673 |
|
5275
|
674 for (octave_idx_type i = 0; i < d.numel (); i++) |
|
4687
|
675 { |
|
|
676 octave_value o_val = tmp.elem (i); |
|
|
677 |
|
|
678 // Recurse to print sub-value. |
|
|
679 bool b = save_binary_data (os, o_val, CELL_ELT_TAG, "", 0, |
|
|
680 save_as_floats); |
|
|
681 |
|
|
682 if (! b) |
|
|
683 return false; |
|
|
684 } |
|
|
685 |
|
|
686 return true; |
|
|
687 } |
|
|
688 |
|
|
689 bool |
|
|
690 octave_cell::load_binary (std::istream& is, bool swap, |
|
|
691 oct_mach_info::float_format fmt) |
|
|
692 { |
|
|
693 bool success = true; |
|
5828
|
694 int32_t mdims; |
|
5760
|
695 if (! is.read (reinterpret_cast<char *> (&mdims), 4)) |
|
4687
|
696 return false; |
|
|
697 if (swap) |
|
4944
|
698 swap_bytes<4> (&mdims); |
|
4687
|
699 if (mdims >= 0) |
|
|
700 return false; |
|
|
701 |
|
|
702 mdims = -mdims; |
|
5828
|
703 int32_t di; |
|
4687
|
704 dim_vector dv; |
|
|
705 dv.resize (mdims); |
|
|
706 |
|
|
707 for (int i = 0; i < mdims; i++) |
|
|
708 { |
|
5760
|
709 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
|
4687
|
710 return false; |
|
|
711 if (swap) |
|
4944
|
712 swap_bytes<4> (&di); |
|
4687
|
713 dv(i) = di; |
|
|
714 } |
|
|
715 |
|
5157
|
716 // Convert an array with a single dimension to be a row vector. |
|
|
717 // Octave should never write files like this, other software |
|
|
718 // might. |
|
|
719 |
|
|
720 if (mdims == 1) |
|
|
721 { |
|
|
722 mdims = 2; |
|
|
723 dv.resize (mdims); |
|
|
724 dv(1) = dv(0); |
|
|
725 dv(0) = 1; |
|
|
726 } |
|
|
727 |
|
5275
|
728 octave_idx_type nel = dv.numel (); |
|
4687
|
729 Cell tmp(dv); |
|
|
730 |
|
5275
|
731 for (octave_idx_type i = 0; i < nel; i++) |
|
4687
|
732 { |
|
|
733 octave_value t2; |
|
|
734 bool dummy; |
|
|
735 std::string doc; |
|
|
736 |
|
|
737 // recurse to read cell elements |
|
|
738 std::string nm = read_binary_data (is, swap, fmt, std::string (), |
|
|
739 dummy, t2, doc); |
|
|
740 |
|
|
741 if (nm == CELL_ELT_TAG) |
|
|
742 { |
|
|
743 if (is) |
|
|
744 tmp.elem (i) = t2; |
|
|
745 } |
|
|
746 else |
|
|
747 { |
|
|
748 error ("load: cell array element had unexpected name"); |
|
|
749 success = false; |
|
|
750 break; |
|
|
751 } |
|
|
752 } |
|
|
753 |
|
|
754 if (is) |
|
|
755 matrix = tmp; |
|
|
756 else |
|
|
757 { |
|
|
758 error ("load: failed to load matrix constant"); |
|
|
759 success = false; |
|
|
760 } |
|
|
761 |
|
|
762 return success; |
|
|
763 } |
|
|
764 |
|
|
765 #if defined (HAVE_HDF5) |
|
4815
|
766 |
|
4687
|
767 bool |
|
|
768 octave_cell::save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats) |
|
|
769 { |
|
4814
|
770 dim_vector dv = dims (); |
|
4837
|
771 int empty = save_hdf5_empty (loc_id, name, dv); |
|
|
772 if (empty) |
|
|
773 return (empty > 0); |
|
|
774 |
|
4815
|
775 hsize_t rank = dv.length (); |
|
4687
|
776 hid_t space_hid = -1, data_hid = -1, size_hid = -1; |
|
|
777 |
|
|
778 data_hid = H5Gcreate (loc_id, name, 0); |
|
4815
|
779 |
|
|
780 if (data_hid < 0) |
|
|
781 return false; |
|
4687
|
782 |
|
4814
|
783 // Have to save cell array shape, since can't have a |
|
|
784 // dataset of groups.... |
|
4815
|
785 |
|
|
786 space_hid = H5Screate_simple (1, &rank, 0); |
|
|
787 |
|
4687
|
788 if (space_hid < 0) |
|
|
789 { |
|
|
790 H5Gclose (data_hid); |
|
|
791 return false; |
|
|
792 } |
|
|
793 |
|
5351
|
794 OCTAVE_LOCAL_BUFFER (octave_idx_type, hdims, rank); |
|
4814
|
795 |
|
|
796 // Octave uses column-major, while HDF5 uses row-major ordering |
|
4933
|
797 for (hsize_t i = 0; i < rank; i++) |
|
4815
|
798 hdims[i] = dv(rank-i-1); |
|
4814
|
799 |
|
5351
|
800 size_hid = H5Dcreate (data_hid, "dims", H5T_NATIVE_IDX, space_hid, |
|
4687
|
801 H5P_DEFAULT); |
|
|
802 if (size_hid < 0) |
|
|
803 { |
|
|
804 H5Sclose (space_hid); |
|
|
805 H5Gclose (data_hid); |
|
|
806 return false; |
|
|
807 } |
|
|
808 |
|
6276
|
809 if (H5Dwrite (size_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
|
|
810 H5P_DEFAULT, hdims) < 0) |
|
4687
|
811 { |
|
|
812 H5Dclose (size_hid); |
|
|
813 H5Sclose (space_hid); |
|
|
814 H5Gclose (data_hid); |
|
|
815 return false; |
|
|
816 } |
|
4815
|
817 |
|
4687
|
818 H5Dclose (size_hid); |
|
|
819 H5Sclose (space_hid); |
|
|
820 |
|
4815
|
821 // Recursively add each element of the cell to this group. |
|
|
822 |
|
4687
|
823 Cell tmp = cell_value (); |
|
5850
|
824 |
|
|
825 octave_idx_type nel = dv.numel (); |
|
|
826 |
|
|
827 for (octave_idx_type i = 0; i < nel; i++) |
|
4687
|
828 { |
|
5765
|
829 std::ostringstream buf; |
|
6276
|
830 int digits = static_cast<int> (floor (log10 (static_cast<double> (nel)) + 1.0)); |
|
5850
|
831 buf << "_" << std::setw (digits) << std::setfill ('0') << i; |
|
5765
|
832 std::string s = buf.str (); |
|
4687
|
833 |
|
5850
|
834 if (! add_hdf5_data (data_hid, tmp.elem (i), s.c_str (), "", false, |
|
|
835 save_as_floats)) |
|
4814
|
836 { |
|
|
837 H5Gclose (data_hid); |
|
|
838 return false; |
|
4687
|
839 } |
|
|
840 } |
|
|
841 |
|
|
842 H5Gclose (data_hid); |
|
4815
|
843 |
|
4687
|
844 return true; |
|
|
845 } |
|
|
846 |
|
|
847 bool |
|
|
848 octave_cell::load_hdf5 (hid_t loc_id, const char *name, |
|
|
849 bool have_h5giterate_bug) |
|
|
850 { |
|
|
851 bool retval = false; |
|
4837
|
852 |
|
|
853 dim_vector dv; |
|
|
854 int empty = load_hdf5_empty (loc_id, name, dv); |
|
|
855 if (empty > 0) |
|
|
856 matrix.resize(dv); |
|
|
857 if (empty) |
|
|
858 return (empty > 0); |
|
|
859 |
|
4687
|
860 hid_t group_id = H5Gopen (loc_id, name); |
|
|
861 |
|
|
862 if (group_id < 0) |
|
|
863 return false; |
|
|
864 |
|
4814
|
865 hid_t data_hid = H5Dopen (group_id, "dims"); |
|
4687
|
866 hid_t space_hid = H5Dget_space (data_hid); |
|
|
867 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); |
|
4814
|
868 if (rank != 1) |
|
4687
|
869 { |
|
4837
|
870 H5Dclose (data_hid); |
|
|
871 H5Gclose (group_id); |
|
4687
|
872 return false; |
|
|
873 } |
|
|
874 |
|
4814
|
875 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
876 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
4815
|
877 |
|
4814
|
878 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
|
4687
|
879 |
|
4815
|
880 // Octave uses column-major, while HDF5 uses row-major ordering. |
|
|
881 |
|
4814
|
882 dv.resize (hdims[0]); |
|
4815
|
883 |
|
5351
|
884 OCTAVE_LOCAL_BUFFER (octave_idx_type, tmp, hdims[0]); |
|
4814
|
885 |
|
5351
|
886 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
|
4815
|
887 H5P_DEFAULT, tmp) < 0) |
|
4687
|
888 { |
|
4837
|
889 H5Dclose (data_hid); |
|
|
890 H5Gclose (group_id); |
|
4687
|
891 return false; |
|
|
892 } |
|
4815
|
893 |
|
4687
|
894 H5Dclose (data_hid); |
|
|
895 H5Gclose (group_id); |
|
|
896 |
|
4815
|
897 for (hsize_t i = 0, j = hdims[0] - 1; i < hdims[0]; i++, j--) |
|
4814
|
898 dv(j) = tmp[i]; |
|
|
899 |
|
4687
|
900 hdf5_callback_data dsub; |
|
|
901 |
|
|
902 herr_t retval2 = -1; |
|
4815
|
903 |
|
4814
|
904 Cell m (dv); |
|
4815
|
905 |
|
4687
|
906 int current_item = 0; |
|
4815
|
907 |
|
4687
|
908 if (have_h5giterate_bug) |
|
4815
|
909 current_item = 1; // Skip dims items in group. |
|
4687
|
910 |
|
4696
|
911 #ifdef HAVE_H5GGET_NUM_OBJS |
|
|
912 hsize_t num_obj = 0; |
|
5060
|
913 group_id = H5Gopen (loc_id, name); |
|
|
914 H5Gget_num_objs (group_id, &num_obj); |
|
|
915 H5Gclose (group_id); |
|
4696
|
916 #endif |
|
|
917 |
|
5275
|
918 for (octave_idx_type i = 0; i < dv.numel (); i++) |
|
4687
|
919 { |
|
4696
|
920 |
|
|
921 #ifdef HAVE_H5GGET_NUM_OBJS |
|
4814
|
922 if (current_item >= static_cast<int> (num_obj)) |
|
|
923 retval2 = -1; |
|
|
924 else |
|
4696
|
925 #endif |
|
4814
|
926 retval2 = H5Giterate (loc_id, name, ¤t_item, |
|
|
927 hdf5_read_next_data, &dsub); |
|
|
928 |
|
4687
|
929 if (retval2 <= 0) |
|
|
930 break; |
|
4814
|
931 |
|
|
932 octave_value ov = dsub.tc; |
|
|
933 m.elem (i) = ov; |
|
|
934 |
|
|
935 if (have_h5giterate_bug) |
|
4815
|
936 current_item++; // H5Giterate returned the last index processed. |
|
4814
|
937 |
|
4687
|
938 } |
|
|
939 |
|
|
940 if (retval2 >= 0) |
|
|
941 { |
|
|
942 matrix = m; |
|
|
943 retval = true; |
|
|
944 } |
|
|
945 |
|
|
946 return retval; |
|
|
947 } |
|
4815
|
948 |
|
4687
|
949 #endif |
|
|
950 |
|
3354
|
951 DEFUN (iscell, args, , |
|
3448
|
952 "-*- texinfo -*-\n\ |
|
|
953 @deftypefn {Built-in Function} {} iscell (@var{x})\n\ |
|
|
954 Return true if @var{x} is a cell array object. Otherwise, return\n\ |
|
|
955 false.\n\ |
|
|
956 @end deftypefn") |
|
3354
|
957 { |
|
|
958 octave_value retval; |
|
|
959 |
|
|
960 if (args.length () == 1) |
|
|
961 retval = args(0).is_cell (); |
|
|
962 else |
|
5823
|
963 print_usage (); |
|
3354
|
964 |
|
|
965 return retval; |
|
|
966 } |
|
|
967 |
|
|
968 DEFUN (cell, args, , |
|
3448
|
969 "-*- texinfo -*-\n\ |
|
|
970 @deftypefn {Built-in Function} {} cell (@var{x})\n\ |
|
|
971 @deftypefnx {Built-in Function} {} cell (@var{n}, @var{m})\n\ |
|
|
972 Create a new cell array object. If invoked with a single scalar\n\ |
|
|
973 argument, @code{cell} returns a square cell array with the dimension\n\ |
|
|
974 specified. If you supply two scalar arguments, @code{cell} takes\n\ |
|
|
975 them to be the number of rows and columns. If given a vector with two\n\ |
|
|
976 elements, @code{cell} uses the values of the elements as the number of\n\ |
|
|
977 rows and columns, respectively.\n\ |
|
|
978 @end deftypefn") |
|
3354
|
979 { |
|
|
980 octave_value retval; |
|
|
981 |
|
|
982 int nargin = args.length (); |
|
|
983 |
|
4563
|
984 dim_vector dims; |
|
|
985 |
|
3354
|
986 switch (nargin) |
|
|
987 { |
|
4563
|
988 case 0: |
|
|
989 dims = dim_vector (0, 0); |
|
3354
|
990 break; |
|
|
991 |
|
4563
|
992 case 1: |
|
|
993 get_dimensions (args(0), "cell", dims); |
|
3354
|
994 break; |
|
|
995 |
|
|
996 default: |
|
4563
|
997 { |
|
|
998 dims.resize (nargin); |
|
|
999 |
|
|
1000 for (int i = 0; i < nargin; i++) |
|
|
1001 { |
|
|
1002 dims(i) = args(i).is_empty () ? 0 : args(i).nint_value (); |
|
|
1003 |
|
|
1004 if (error_state) |
|
|
1005 { |
|
|
1006 error ("cell: expecting scalar arguments"); |
|
|
1007 break; |
|
|
1008 } |
|
|
1009 } |
|
|
1010 } |
|
3354
|
1011 break; |
|
|
1012 } |
|
|
1013 |
|
4563
|
1014 if (! error_state) |
|
|
1015 { |
|
|
1016 int ndim = dims.length (); |
|
|
1017 |
|
|
1018 check_dimensions (dims, "cell"); |
|
|
1019 |
|
|
1020 if (! error_state) |
|
|
1021 { |
|
|
1022 switch (ndim) |
|
|
1023 { |
|
|
1024 case 1: |
|
|
1025 retval = Cell (dims(0), dims(0), Matrix ()); |
|
|
1026 break; |
|
|
1027 |
|
|
1028 default: |
|
|
1029 retval = Cell (dims, Matrix ()); |
|
|
1030 break; |
|
|
1031 } |
|
|
1032 } |
|
|
1033 } |
|
|
1034 |
|
3354
|
1035 return retval; |
|
|
1036 } |
|
|
1037 |
|
4610
|
1038 DEFUN (iscellstr, args, , |
|
|
1039 "-*- texinfo -*-\n\ |
|
|
1040 @deftypefn {Built-in Function} {} iscellstr (@var{cell})\n\ |
|
|
1041 Return true if every element of the cell array @var{cell} is a\n\ |
|
|
1042 character string\n\ |
|
|
1043 @end deftypefn") |
|
|
1044 { |
|
4699
|
1045 octave_value retval; |
|
4610
|
1046 |
|
|
1047 if (args.length () == 1) |
|
6116
|
1048 retval = args(0).is_cellstr (); |
|
4610
|
1049 else |
|
5823
|
1050 print_usage (); |
|
4610
|
1051 |
|
|
1052 return retval; |
|
|
1053 } |
|
|
1054 |
|
4817
|
1055 // Note that since Fcellstr calls Fiscellstr, we need to have |
|
|
1056 // Fiscellstr defined first (to provide a declaration) and also we |
|
|
1057 // should keep it in the same file (so we don't have to provide a |
|
|
1058 // declaration) and so we don't have to use feval to call it. |
|
|
1059 |
|
|
1060 DEFUN (cellstr, args, , |
|
|
1061 "-*- texinfo -*-\n\ |
|
|
1062 @deftypefn {Built-in Function} {} cellstr (@var{string})\n\ |
|
|
1063 Create a new cell array object from the elements of the string\n\ |
|
|
1064 array @var{string}.\n\ |
|
|
1065 @end deftypefn") |
|
|
1066 { |
|
|
1067 octave_value retval; |
|
|
1068 |
|
|
1069 if (args.length () == 1) |
|
|
1070 { |
|
|
1071 octave_value_list tmp = Fiscellstr (args, 1); |
|
|
1072 |
|
|
1073 if (tmp(0).is_true ()) |
|
|
1074 retval = args(0); |
|
|
1075 else |
|
|
1076 { |
|
|
1077 string_vector s = args(0).all_strings (); |
|
|
1078 |
|
|
1079 if (! error_state) |
|
5805
|
1080 retval = Cell (s, true); |
|
4817
|
1081 else |
|
|
1082 error ("cellstr: expecting argument to be a 2-d character array"); |
|
|
1083 } |
|
|
1084 } |
|
|
1085 else |
|
5823
|
1086 print_usage (); |
|
4817
|
1087 |
|
|
1088 return retval; |
|
|
1089 } |
|
|
1090 |
|
4762
|
1091 DEFUN (struct2cell, args, , |
|
|
1092 "-*- texinfo -*-\n\ |
|
|
1093 @deftypefn {Built-in Function} {} struct2cell (@var{S})\n\ |
|
|
1094 Create a new cell array from the objects stored in the struct object.\n\ |
|
4764
|
1095 If @var{f} is the number of fields in the structure, the resulting\n\ |
|
|
1096 cell array will have a dimension vector corresponding to\n\ |
|
|
1097 @code{[@var{F} size(@var{S})]}.\n\ |
|
5642
|
1098 @seealso{cell2struct, fieldnames}\n\ |
|
|
1099 @end deftypefn") |
|
4762
|
1100 { |
|
|
1101 octave_value retval; |
|
4764
|
1102 |
|
4762
|
1103 int nargin = args.length (); |
|
4764
|
1104 |
|
4762
|
1105 if (nargin == 1) |
|
|
1106 { |
|
4764
|
1107 Octave_map m = args(0).map_value (); |
|
|
1108 |
|
4762
|
1109 if (! error_state) |
|
|
1110 { |
|
|
1111 dim_vector m_dv = m.dims (); |
|
4764
|
1112 |
|
4762
|
1113 string_vector keys = m.keys (); |
|
4764
|
1114 |
|
5275
|
1115 octave_idx_type fields_numel = keys.length (); |
|
4764
|
1116 |
|
4762
|
1117 // The resulting dim_vector should have dimensions: |
|
|
1118 // [numel(fields) size(struct)] |
|
4764
|
1119 |
|
4762
|
1120 dim_vector result_dv; |
|
4764
|
1121 result_dv.resize (m_dv.length () + 1); // Add 1 for the fields. |
|
|
1122 |
|
|
1123 result_dv(0) = fields_numel; |
|
4762
|
1124 |
|
|
1125 for (int i = 1; i < result_dv.length (); i++) |
|
|
1126 result_dv(i) = m_dv(i-1); |
|
4764
|
1127 |
|
|
1128 // Squeeze to be sure that a (3,1) vector doesn't get turned |
|
|
1129 // into a (3,3,1) vector. |
|
|
1130 |
|
|
1131 result_dv = result_dv.squeeze (); |
|
|
1132 |
|
4762
|
1133 Cell c (result_dv); |
|
4764
|
1134 |
|
|
1135 // Use ra_idx both for counting and for assignments, so |
|
|
1136 // ra_idx(0) will both contain fields_numel for each call to |
|
|
1137 // increment_index and j for each assignment. |
|
|
1138 |
|
5275
|
1139 Array<octave_idx_type> ra_idx (result_dv.length (), 0); |
|
4764
|
1140 ra_idx(0) = fields_numel; |
|
4762
|
1141 |
|
5275
|
1142 for (octave_idx_type i = 0; i < m_dv.numel (); i++) |
|
4762
|
1143 { |
|
5275
|
1144 for (octave_idx_type j = 0; j < fields_numel; j++) |
|
4762
|
1145 { |
|
|
1146 ra_idx(0) = j; |
|
4764
|
1147 |
|
4762
|
1148 Cell c_tmp = m.contents (keys(j)); |
|
4764
|
1149 |
|
|
1150 if (c_tmp.length () > 1) // Is a cell. |
|
4762
|
1151 c(ra_idx) = c_tmp; |
|
4764
|
1152 else if (c_tmp.length () == 1) // Get octave_value. |
|
4762
|
1153 c(ra_idx) = c_tmp(0); |
|
4764
|
1154 else |
|
|
1155 c(ra_idx) = Cell (); |
|
|
1156 |
|
4762
|
1157 ra_idx(0) = fields_numel; |
|
|
1158 } |
|
|
1159 |
|
4764
|
1160 increment_index (ra_idx, result_dv); |
|
4762
|
1161 } |
|
|
1162 |
|
|
1163 retval = c; |
|
|
1164 } |
|
|
1165 else |
|
|
1166 error ("struct2cell: expecting argument to be a cell array"); |
|
|
1167 } |
|
|
1168 else |
|
5823
|
1169 print_usage (); |
|
4764
|
1170 |
|
4762
|
1171 return retval; |
|
|
1172 } |
|
|
1173 |
|
5900
|
1174 mxArray * |
|
|
1175 octave_cell::as_mxArray (void) const |
|
|
1176 { |
|
|
1177 mxArray *retval = new mxArray (dims ()); |
|
|
1178 |
|
|
1179 mxArray **elts = static_cast<mxArray **> (retval->get_data ()); |
|
|
1180 |
|
6686
|
1181 mwSize nel = numel (); |
|
5900
|
1182 |
|
|
1183 const octave_value *p = matrix.data (); |
|
|
1184 |
|
6686
|
1185 for (mwIndex i = 0; i < nel; i++) |
|
5900
|
1186 elts[i] = new mxArray (p[i]); |
|
|
1187 |
|
|
1188 return retval; |
|
|
1189 } |
|
|
1190 |
|
3353
|
1191 /* |
|
|
1192 ;;; Local Variables: *** |
|
|
1193 ;;; mode: C++ *** |
|
|
1194 ;;; End: *** |
|
|
1195 */ |
