Mercurial > jwe > octave
annotate libinterp/octave-value/ov-cell.cc @ 25054:6652d3823428 stable
maint: Update copyright dates in all source files.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 30 Mar 2018 09:19:05 -0400 |
parents | aaf7bcea71dd |
children | 078b795c5219 |
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3353 | 1 /* |
2 | |
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3 Copyright (C) 1999-2018 John W. Eaton |
11523 | 4 Copyright (C) 2009-2010 VZLU Prague |
3353 | 5 |
6 This file is part of Octave. | |
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 |
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10 the Free Software Foundation, either version 3 of the License, or |
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11 (at your option) any later version. |
3353 | 12 |
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13 Octave is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
3353 | 17 |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
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20 <https://www.gnu.org/licenses/>. |
3353 | 21 |
22 */ | |
23 | |
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24 #if defined (HAVE_CONFIG_H) |
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25 # include "config.h" |
3353 | 26 #endif |
27 | |
5850 | 28 #include <iomanip> |
3503 | 29 #include <iostream> |
5765 | 30 #include <sstream> |
5164 | 31 #include <vector> |
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32 #include <queue> |
3353 | 33 |
5360 | 34 #include "Array-util.h" |
35 #include "byte-swap.h" | |
3353 | 36 #include "lo-utils.h" |
4153 | 37 #include "quit.h" |
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38 #include "oct-locbuf.h" |
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40 #include "builtin-defun-decls.h" |
3353 | 41 #include "defun.h" |
42 #include "error.h" | |
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43 #include "mxarray.h" |
3353 | 44 #include "ov-cell.h" |
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45 #include "ovl.h" |
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46 #include "oct-hdf5.h" |
3353 | 47 #include "unwind-prot.h" |
3354 | 48 #include "utils.h" |
3928 | 49 #include "ov-base-mat.h" |
50 #include "ov-base-mat.cc" | |
51 #include "ov-re-mat.h" | |
52 #include "ov-scalar.h" | |
5360 | 53 #include "pr-output.h" |
54 #include "ov-scalar.h" | |
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55 #include "errwarn.h" |
3928 | 56 |
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57 #include "ls-oct-text.h" |
4687 | 58 #include "ls-oct-binary.h" |
59 #include "ls-hdf5.h" | |
60 #include "ls-utils.h" | |
61 | |
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62 // Cell is able to handle octave_value indexing by itself, so just forward |
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63 // everything. |
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64 |
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65 template <> |
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66 octave_value |
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67 octave_base_matrix<Cell>::do_index_op (const octave_value_list& idx, |
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68 bool resize_ok) |
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69 { |
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70 return matrix.index (idx, resize_ok); |
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71 } |
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72 |
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73 template <> |
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74 void |
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75 octave_base_matrix<Cell>::assign (const octave_value_list& idx, const Cell& rhs) |
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76 { |
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77 matrix.assign (idx, rhs); |
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78 } |
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79 |
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80 template <> |
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81 void |
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82 octave_base_matrix<Cell>::assign (const octave_value_list& idx, |
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83 octave_value rhs) |
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84 { |
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85 // FIXME: Really? |
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86 if (rhs.iscell ()) |
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87 matrix.assign (idx, rhs.cell_value ()); |
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88 else |
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89 matrix.assign (idx, Cell (rhs)); |
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90 } |
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91 |
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92 template <> |
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93 void |
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94 octave_base_matrix<Cell>::delete_elements (const octave_value_list& idx) |
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95 { |
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96 matrix.delete_elements (idx); |
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97 } |
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98 |
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99 // FIXME: this list of specializations is becoming so long that we should |
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100 // really ask whether octave_cell should inherit from octave_base_matrix at all. |
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101 |
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102 template <> |
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103 std::string |
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104 octave_base_matrix<Cell>::edit_display (const float_display_format&, |
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105 octave_idx_type i, |
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106 octave_idx_type j) const |
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107 { |
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108 octave_value val = matrix(i,j); |
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109 |
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110 std::string tname = val.type_name (); |
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111 dim_vector dv = val.dims (); |
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112 std::string dimstr = dv.str (); |
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113 return "[" + dimstr + " " + tname + "]"; |
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114 } |
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115 |
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116 template <> |
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117 octave_value |
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118 octave_base_matrix<Cell>::fast_elem_extract (octave_idx_type n) const |
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119 { |
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120 if (n < matrix.numel ()) |
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121 return Cell (matrix(n)); |
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122 else |
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123 return octave_value (); |
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124 } |
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125 |
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126 template <> |
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127 bool |
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128 octave_base_matrix<Cell>::fast_elem_insert (octave_idx_type n, |
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129 const octave_value& x) |
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130 { |
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131 const octave_cell *xrep = |
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132 dynamic_cast<const octave_cell *> (&x.get_rep ()); |
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133 |
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134 bool retval = xrep && xrep->matrix.numel () == 1 && n < matrix.numel (); |
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135 if (retval) |
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136 matrix(n) = xrep->matrix(0); |
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137 |
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138 return retval; |
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139 } |
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140 |
3928 | 141 template class octave_base_matrix<Cell>; |
3353 | 142 |
4612 | 143 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_cell, "cell", "cell"); |
3353 | 144 |
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145 octave_value_list |
4247 | 146 octave_cell::subsref (const std::string& type, |
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147 const std::list<octave_value_list>& idx, |
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148 int nargout) |
3933 | 149 { |
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150 octave_value_list retval; |
3933 | 151 |
152 switch (type[0]) | |
153 { | |
154 case '(': | |
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155 retval(0) = do_index_op (idx.front ()); |
3933 | 156 break; |
157 | |
158 case '{': | |
159 { | |
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160 octave_value tmp = do_index_op (idx.front ()); |
3933 | 161 |
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162 Cell tcell = tmp.cell_value (); |
4582 | 163 |
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164 if (tcell.numel () == 1) |
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165 retval(0) = tcell(0,0); |
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166 else |
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167 { |
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168 // Return a comma-separated list. |
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169 retval = octave_value (octave_value_list (tcell)); |
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170 } |
3933 | 171 } |
172 break; | |
173 | |
174 case '.': | |
175 { | |
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176 std::string nm = type_name (); |
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177 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
3933 | 178 } |
179 break; | |
180 | |
181 default: | |
182 panic_impossible (); | |
183 } | |
184 | |
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185 // FIXME: perhaps there should be an |
4994 | 186 // octave_value_list::next_subsref member function? See also |
187 // octave_user_function::subsref. | |
188 | |
189 if (idx.size () > 1) | |
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190 retval = retval(0).next_subsref (nargout, type, idx); |
4994 | 191 |
192 return retval; | |
3933 | 193 } |
194 | |
195 octave_value | |
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196 octave_cell::subsref (const std::string& type, |
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197 const std::list<octave_value_list>& idx, |
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198 bool auto_add) |
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199 { |
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200 octave_value retval; |
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201 |
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202 switch (type[0]) |
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203 { |
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204 case '(': |
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205 retval = do_index_op (idx.front (), auto_add); |
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206 break; |
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207 |
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208 case '{': |
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209 { |
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210 octave_value tmp = do_index_op (idx.front (), auto_add); |
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211 |
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212 const Cell tcell = tmp.cell_value (); |
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213 |
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214 if (tcell.numel () == 1) |
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215 retval = tcell(0,0); |
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216 else |
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217 { |
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218 // Return a comma-separated list. |
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219 retval = octave_value (octave_value_list (tcell)); |
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220 } |
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221 } |
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222 break; |
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223 |
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224 case '.': |
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225 { |
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226 std::string nm = type_name (); |
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227 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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228 } |
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229 break; |
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230 |
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231 default: |
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232 panic_impossible (); |
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233 } |
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234 |
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235 // FIXME: perhaps there should be an |
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236 // octave_value_list::next_subsref member function? See also |
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237 // octave_user_function::subsref. |
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238 |
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239 if (idx.size () > 1) |
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240 retval = retval.next_subsref (auto_add, type, idx); |
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241 |
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242 return retval; |
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243 } |
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244 |
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245 octave_value |
4247 | 246 octave_cell::subsasgn (const std::string& type, |
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247 const std::list<octave_value_list>& idx, |
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248 const octave_value& rhs) |
3933 | 249 { |
250 octave_value retval; | |
251 | |
252 int n = type.length (); | |
253 | |
254 octave_value t_rhs = rhs; | |
255 | |
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256 clear_cellstr_cache (); |
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257 |
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258 if (idx.front ().empty ()) |
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259 error ("missing index in indexed assignment"); |
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260 |
3933 | 261 if (n > 1) |
262 { | |
263 switch (type[0]) | |
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264 { |
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265 case '(': |
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266 { |
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267 if (isempty () && type[1] == '.') |
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268 { |
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269 // Allow conversion of empty cell array to some other |
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270 // type in cases like |
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271 // |
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272 // x = {}; x(i).f = rhs |
3933 | 273 |
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274 octave_value tmp = octave_value::empty_conv (type, rhs); |
3933 | 275 |
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276 return tmp.subsasgn (type, idx, rhs); |
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277 } |
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278 else |
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279 { |
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280 octave_value tmp = do_index_op (idx.front (), true); |
3933 | 281 |
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282 if (! tmp.is_defined ()) |
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283 tmp = octave_value::empty_conv (type.substr (1), rhs); |
3933 | 284 |
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285 std::list<octave_value_list> next_idx (idx); |
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286 |
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287 next_idx.erase (next_idx.begin ()); |
4362 | 288 |
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289 tmp.make_unique (); |
6767 | 290 |
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291 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); |
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292 } |
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293 } |
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294 break; |
3933 | 295 |
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296 case '{': |
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297 { |
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298 matrix.make_unique (); |
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299 Cell tmpc = matrix.index (idx.front (), true); |
3933 | 300 |
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301 std::list<octave_value_list> next_idx (idx); |
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302 |
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303 next_idx.erase (next_idx.begin ()); |
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304 |
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305 std::string next_type = type.substr (1); |
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306 |
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307 if (tmpc.numel () != 1) |
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308 err_indexed_cs_list (); |
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309 |
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310 octave_value tmp = tmpc(0); |
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311 tmpc = Cell (); |
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312 |
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313 if (! tmp.is_defined () || tmp.is_zero_by_zero ()) |
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314 { |
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315 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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316 tmp.make_unique (); // probably a no-op. |
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317 } |
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318 else |
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319 // optimization: ignore copy still stored inside array. |
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320 tmp.make_unique (1); |
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321 |
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322 t_rhs = tmp.subsasgn (next_type, next_idx, rhs); |
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323 } |
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324 break; |
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326 case '.': |
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327 { |
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328 if (! isempty ()) |
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329 { |
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330 std::string nm = type_name (); |
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331 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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332 } |
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333 |
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334 // Do nothing; the next branch will handle it. |
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335 } |
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336 break; |
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338 default: |
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339 panic_impossible (); |
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340 } |
3933 | 341 } |
342 | |
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343 switch (type[0]) |
3933 | 344 { |
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345 case '(': |
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346 { |
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347 octave_value_list i = idx.front (); |
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349 if (t_rhs.iscell ()) |
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350 octave_base_matrix<Cell>::assign (i, t_rhs.cell_value ()); |
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351 else if (t_rhs.isnull ()) |
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352 octave_base_matrix<Cell>::delete_elements (i); |
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353 else |
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354 octave_base_matrix<Cell>::assign (i, Cell (t_rhs)); |
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356 count++; |
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357 retval = octave_value (this); |
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358 } |
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359 break; |
3933 | 360 |
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361 case '{': |
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362 { |
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363 octave_value_list idxf = idx.front (); |
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365 if (t_rhs.is_cs_list ()) |
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366 { |
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367 Cell tmp_cell = Cell (t_rhs.list_value ()); |
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368 |
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369 // Inquire the proper shape of the RHS. |
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370 |
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371 dim_vector didx = dims ().redim (idxf.length ()); |
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372 for (octave_idx_type k = 0; k < idxf.length (); k++) |
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373 if (! idxf(k).is_magic_colon ()) didx(k) = idxf(k).numel (); |
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375 if (didx.numel () == tmp_cell.numel ()) |
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376 tmp_cell = tmp_cell.reshape (didx); |
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377 |
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378 octave_base_matrix<Cell>::assign (idxf, tmp_cell); |
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379 } |
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380 else if (idxf.all_scalars () |
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381 || do_index_op (idxf, true).numel () == 1) |
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382 // Regularize a null matrix if stored into a cell. |
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383 octave_base_matrix<Cell>::assign (idxf, |
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384 Cell (t_rhs.storable_value ())); |
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385 else |
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386 err_nonbraced_cs_list_assignment (); |
3933 | 387 |
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388 count++; |
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389 retval = octave_value (this); |
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390 } |
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391 break; |
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392 |
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393 case '.': |
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394 { |
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395 if (! isempty ()) |
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396 { |
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397 std::string nm = type_name (); |
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398 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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399 } |
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400 |
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401 // Allow conversion of empty cell array to some other |
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402 // type in cases like |
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403 // |
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404 // x = {}; x.f = rhs |
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405 |
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406 octave_value tmp = octave_value::empty_conv (type, rhs); |
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407 |
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408 return tmp.subsasgn (type, idx, rhs); |
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409 } |
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410 break; |
3933 | 411 |
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412 default: |
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413 panic_impossible (); |
3933 | 414 } |
415 | |
416 return retval; | |
417 } | |
418 | |
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419 bool |
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420 octave_cell::iscellstr (void) const |
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421 { |
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422 bool retval; |
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423 if (cellstr_cache.get ()) |
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424 retval = true; |
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425 else |
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426 { |
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427 retval = matrix.iscellstr (); |
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428 // Allocate empty cache to mark that this is indeed a cellstr. |
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429 if (retval) |
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430 cellstr_cache.reset (new Array<std::string> ()); |
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431 } |
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432 |
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433 return retval; |
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434 } |
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435 |
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436 void |
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437 octave_cell::assign (const octave_value_list& idx, const Cell& rhs) |
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438 { |
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439 clear_cellstr_cache (); |
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440 octave_base_matrix<Cell>::assign (idx, rhs); |
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441 } |
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442 |
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443 void |
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444 octave_cell::assign (const octave_value_list& idx, const octave_value& rhs) |
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445 { |
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446 clear_cellstr_cache (); |
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447 octave_base_matrix<Cell>::assign (idx, rhs); |
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448 } |
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449 |
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450 void |
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451 octave_cell::delete_elements (const octave_value_list& idx) |
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452 { |
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453 clear_cellstr_cache (); |
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454 octave_base_matrix<Cell>::delete_elements (idx); |
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455 } |
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456 |
4791 | 457 size_t |
458 octave_cell::byte_size (void) const | |
459 { | |
460 size_t retval = 0; | |
461 | |
5275 | 462 for (octave_idx_type i = 0; i < numel (); i++) |
4791 | 463 retval += matrix(i).byte_size (); |
464 | |
465 return retval; | |
466 } | |
467 | |
8732 | 468 octave_value |
469 octave_cell::sort (octave_idx_type dim, sortmode mode) const | |
470 { | |
471 octave_value retval; | |
472 | |
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473 if (! iscellstr ()) |
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474 error ("sort: only cell arrays of character strings may be sorted"); |
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475 |
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476 Array<std::string> tmp = cellstr_value (); |
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477 |
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478 tmp = tmp.sort (dim, mode); |
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479 |
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480 // We already have the cache. |
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481 retval = new octave_cell (tmp); |
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482 |
8732 | 483 return retval; |
484 } | |
485 | |
486 octave_value | |
487 octave_cell::sort (Array<octave_idx_type> &sidx, octave_idx_type dim, | |
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488 sortmode mode) const |
8732 | 489 { |
490 octave_value retval; | |
491 | |
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492 if (! iscellstr ()) |
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493 error ("sort: only cell arrays of character strings may be sorted"); |
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494 |
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495 Array<std::string> tmp = cellstr_value (); |
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496 |
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497 tmp = tmp.sort (sidx, dim, mode); |
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498 |
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499 // We already have the cache. |
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500 retval = new octave_cell (tmp); |
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501 |
8732 | 502 return retval; |
503 } | |
504 | |
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505 sortmode |
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506 octave_cell::issorted (sortmode mode) const |
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507 { |
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508 sortmode retval = UNSORTED; |
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509 |
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510 if (! iscellstr ()) |
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511 error ("issorted: A is not a cell array of strings"); |
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512 |
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513 Array<std::string> tmp = cellstr_value (); |
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514 |
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515 retval = tmp.issorted (mode); |
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516 |
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517 return retval; |
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518 } |
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519 |
8732 | 520 Array<octave_idx_type> |
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521 octave_cell::sort_rows_idx (sortmode mode) const |
8732 | 522 { |
523 Array<octave_idx_type> retval; | |
524 | |
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525 if (! iscellstr ()) |
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526 error ("sortrows: only cell arrays of character strings may be sorted"); |
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527 |
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528 Array<std::string> tmp = cellstr_value (); |
8732 | 529 |
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530 retval = tmp.sort_rows_idx (mode); |
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531 |
8732 | 532 return retval; |
533 } | |
534 | |
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535 sortmode |
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536 octave_cell::is_sorted_rows (sortmode mode) const |
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537 { |
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538 sortmode retval = UNSORTED; |
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539 |
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540 if (! iscellstr ()) |
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541 error ("issorted: A is not a cell array of strings"); |
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542 |
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543 Array<std::string> tmp = cellstr_value (); |
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544 |
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545 retval = tmp.is_sorted_rows (mode); |
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546 |
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547 return retval; |
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548 } |
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549 |
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550 bool |
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551 octave_cell::is_true (void) const |
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552 { |
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553 error ("invalid conversion from cell array to logical value"); |
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554 } |
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555 |
3933 | 556 octave_value_list |
557 octave_cell::list_value (void) const | |
558 { | |
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559 return octave_value_list (matrix); |
3933 | 560 } |
561 | |
4243 | 562 string_vector |
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563 octave_cell::string_vector_value (bool pad) const |
4243 | 564 { |
4358 | 565 string_vector retval; |
566 | |
7285 | 567 octave_idx_type nel = numel (); |
4243 | 568 |
4358 | 569 int n_elts = 0; |
570 | |
5275 | 571 octave_idx_type max_len = 0; |
4358 | 572 |
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573 std::queue<string_vector> strvec_queue; |
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574 |
7285 | 575 for (octave_idx_type i = 0; i < nel; i++) |
4358 | 576 { |
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577 string_vector s = matrix(i).string_vector_value (); |
7285 | 578 |
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579 octave_idx_type s_len = s.numel (); |
4358 | 580 |
7285 | 581 n_elts += s_len ? s_len : 1; |
4358 | 582 |
7285 | 583 octave_idx_type s_max_len = s.max_length (); |
4358 | 584 |
7285 | 585 if (s_max_len > max_len) |
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586 max_len = s_max_len; |
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587 |
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588 strvec_queue.push (s); |
4358 | 589 } |
590 | |
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591 retval = string_vector (n_elts); |
4243 | 592 |
5275 | 593 octave_idx_type k = 0; |
4243 | 594 |
7285 | 595 for (octave_idx_type i = 0; i < nel; i++) |
4243 | 596 { |
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597 const string_vector s = strvec_queue.front (); |
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598 strvec_queue.pop (); |
7285 | 599 |
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600 octave_idx_type s_len = s.numel (); |
4358 | 601 |
7285 | 602 if (s_len) |
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603 { |
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604 for (octave_idx_type j = 0; j < s_len; j++) |
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605 { |
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606 std::string t = s[j]; |
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607 int t_len = t.length (); |
5715 | 608 |
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609 if (pad && max_len > t_len) |
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610 t += std::string (max_len - t_len, ' '); |
5715 | 611 |
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612 retval[k++] = t; |
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613 } |
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614 } |
7285 | 615 else if (pad) |
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616 retval[k++] = std::string (max_len, ' '); |
7285 | 617 else |
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618 retval[k++] = ""; |
4243 | 619 } |
620 | |
621 return retval; | |
622 } | |
623 | |
8732 | 624 Array<std::string> |
625 octave_cell::cellstr_value (void) const | |
626 { | |
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627 Array<std::string> retval; |
8732 | 628 |
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629 if (! iscellstr ()) |
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630 error ("invalid conversion from cell array to array of strings"); |
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631 |
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632 if (cellstr_cache->isempty ()) |
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633 *cellstr_cache = matrix.cellstr_value (); |
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634 |
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635 return *cellstr_cache; |
8732 | 636 |
637 return retval; | |
638 } | |
639 | |
4604 | 640 bool |
641 octave_cell::print_as_scalar (void) const | |
642 { | |
11474 | 643 return true; |
4604 | 644 } |
645 | |
3933 | 646 void |
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647 octave_cell::print (std::ostream& os, bool) |
3933 | 648 { |
649 print_raw (os); | |
650 } | |
651 | |
652 void | |
653 octave_cell::print_raw (std::ostream& os, bool) const | |
654 { | |
4587 | 655 int nd = matrix.ndims (); |
4513 | 656 |
4587 | 657 if (nd == 2) |
4513 | 658 { |
5275 | 659 octave_idx_type nr = rows (); |
660 octave_idx_type nc = columns (); | |
4513 | 661 |
662 if (nr > 0 && nc > 0) | |
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663 { |
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664 indent (os); |
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665 os << '{'; |
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666 newline (os); |
4513 | 667 |
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668 increment_indent_level (); |
4513 | 669 |
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670 for (octave_idx_type j = 0; j < nc; j++) |
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671 { |
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672 for (octave_idx_type i = 0; i < nr; i++) |
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673 { |
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674 octave_quit (); |
4513 | 675 |
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676 std::ostringstream buf; |
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677 buf << '[' << i+1 << ',' << j+1 << ']'; |
3933 | 678 |
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679 octave_value val = matrix(i,j); |
4513 | 680 |
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681 val.print_with_name (os, buf.str ()); |
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682 } |
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683 } |
4513 | 684 |
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685 decrement_indent_level (); |
4513 | 686 |
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687 indent (os); |
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688 os << '}'; |
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689 newline (os); |
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690 } |
4513 | 691 else |
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692 { |
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693 indent (os); |
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694 os << "{}"; |
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695 if (Vprint_empty_dimensions) |
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696 os << '(' << nr << 'x' << nc << ')'; |
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697 newline (os); |
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698 } |
4513 | 699 } |
700 else | |
3933 | 701 { |
702 indent (os); | |
4513 | 703 dim_vector dv = matrix.dims (); |
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704 os << '{' << dv.str () << " Cell Array}"; |
3933 | 705 newline (os); |
706 } | |
707 } | |
708 | |
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709 bool |
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710 octave_cell::print_name_tag (std::ostream& os, const std::string& name) const |
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711 { |
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712 bool retval = false; |
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713 |
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714 indent (os); |
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715 |
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716 if (isempty () || ndims () > 2) |
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717 os << name << " = "; |
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718 else |
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719 { |
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720 os << name << " ="; |
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721 newline (os); |
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722 retval = true; |
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723 } |
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724 |
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725 return retval; |
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726 } |
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727 |
17870 | 728 void |
729 octave_cell::short_disp (std::ostream& os) const | |
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730 { |
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|
731 os << (matrix.isempty () ? "{}" : "..."); |
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732 } |
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733 |
4687 | 734 #define CELL_ELT_TAG "<cell-element>" |
735 | |
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736 bool |
6974 | 737 octave_cell::save_ascii (std::ostream& os) |
4687 | 738 { |
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739 dim_vector dv = dims (); |
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740 if (dv.ndims () > 2) |
4687 | 741 { |
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742 os << "# ndims: " << dv.ndims () << "\n"; |
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743 |
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744 for (int i = 0; i < dv.ndims (); i++) |
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745 os << ' ' << dv(i); |
4687 | 746 os << "\n"; |
747 | |
748 Cell tmp = cell_value (); | |
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749 |
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750 for (octave_idx_type i = 0; i < dv.numel (); i++) |
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751 { |
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752 octave_value o_val = tmp.elem (i); |
4687 | 753 |
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754 // Recurse to save sub-value. |
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755 bool b = save_text_data (os, o_val, CELL_ELT_TAG, false, 0); |
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756 |
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757 if (! b) |
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758 return ! os.fail (); |
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759 } |
4687 | 760 } |
761 else | |
762 { | |
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763 // Keep this case, rather than use generic code above for backward |
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764 // compatibility. Makes load_ascii much more complex!! |
4687 | 765 os << "# rows: " << rows () << "\n" |
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766 << "# columns: " << columns () << "\n"; |
4687 | 767 |
768 Cell tmp = cell_value (); | |
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769 |
5275 | 770 for (octave_idx_type j = 0; j < tmp.cols (); j++) |
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771 { |
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772 for (octave_idx_type i = 0; i < tmp.rows (); i++) |
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773 { |
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774 octave_value o_val = tmp.elem (i, j); |
4687 | 775 |
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776 // Recurse to save sub-value. |
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777 bool b = save_text_data (os, o_val, CELL_ELT_TAG, false, 0); |
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778 |
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779 if (! b) |
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780 return ! os.fail (); |
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781 } |
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782 |
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783 os << "\n"; |
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784 } |
4687 | 785 } |
786 | |
787 return true; | |
788 } | |
789 | |
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790 bool |
4687 | 791 octave_cell::load_ascii (std::istream& is) |
792 { | |
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|
793 clear_cellstr_cache (); |
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794 |
5099 | 795 string_vector keywords(2); |
4687 | 796 |
5099 | 797 keywords[0] = "ndims"; |
798 keywords[1] = "rows"; | |
799 | |
800 std::string kw; | |
5275 | 801 octave_idx_type val = 0; |
5099 | 802 |
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803 if (! extract_keyword (is, keywords, kw, val, true)) |
3aa293be0e8d
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changeset
|
804 error ("load: failed to extract number of rows and columns"); |
3aa293be0e8d
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|
805 |
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|
806 if (kw == "ndims") |
4687 | 807 { |
20962
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808 int mdims = static_cast<int> (val); |
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809 |
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810 if (mdims < 0) |
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811 error ("load: failed to extract number of rows and columns"); |
4687 | 812 |
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813 dim_vector dv; |
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814 dv.resize (mdims); |
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815 |
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816 for (int i = 0; i < mdims; i++) |
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817 is >> dv(i); |
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818 |
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819 Cell tmp(dv); |
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820 |
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821 for (octave_idx_type i = 0; i < dv.numel (); i++) |
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822 { |
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823 octave_value t2; |
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824 bool dummy; |
5099 | 825 |
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|
826 // recurse to read cell elements |
21017
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changeset
|
827 std::string nm = read_text_data (is, "", |
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|
828 dummy, t2, i); |
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829 |
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830 if (nm != CELL_ELT_TAG) |
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831 error ("load: cell array element had unexpected name"); |
4687 | 832 |
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|
833 if (is) |
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20962
diff
changeset
|
834 tmp.elem (i) = t2; |
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|
835 } |
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maint: invert if/else/error instances.
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|
836 |
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changeset
|
837 if (! is) |
0963ed389012
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parents:
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diff
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|
838 error ("load: failed to load matrix constant"); |
0963ed389012
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|
839 |
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diff
changeset
|
840 matrix = tmp; |
20962
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maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents:
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|
841 } |
3aa293be0e8d
maint: Invert simple conditionals in if/else/error paradigm.
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|
842 else if (kw == "rows") |
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maint: Invert simple conditionals in if/else/error paradigm.
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|
843 { |
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changeset
|
844 octave_idx_type nr = val; |
3aa293be0e8d
maint: Invert simple conditionals in if/else/error paradigm.
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diff
changeset
|
845 octave_idx_type nc = 0; |
3aa293be0e8d
maint: Invert simple conditionals in if/else/error paradigm.
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diff
changeset
|
846 |
20979
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diff
changeset
|
847 if (nr < 0 || ! extract_keyword (is, "columns", nc) || nc < 0) |
0963ed389012
maint: invert if/else/error instances.
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parents:
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diff
changeset
|
848 error ("load: failed to extract number of rows and columns for cell array"); |
0963ed389012
maint: invert if/else/error instances.
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diff
changeset
|
849 |
0963ed389012
maint: invert if/else/error instances.
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parents:
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|
850 if (nr > 0 && nc > 0) |
20962
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20940
diff
changeset
|
851 { |
20979
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diff
changeset
|
852 Cell tmp (nr, nc); |
0963ed389012
maint: invert if/else/error instances.
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parents:
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diff
changeset
|
853 |
0963ed389012
maint: invert if/else/error instances.
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diff
changeset
|
854 for (octave_idx_type j = 0; j < nc; j++) |
20962
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maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents:
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diff
changeset
|
855 { |
20979
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|
856 for (octave_idx_type i = 0; i < nr; i++) |
20962
3aa293be0e8d
maint: Invert simple conditionals in if/else/error paradigm.
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parents:
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diff
changeset
|
857 { |
20979
0963ed389012
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diff
changeset
|
858 octave_value t2; |
0963ed389012
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diff
changeset
|
859 bool dummy; |
20962
3aa293be0e8d
maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
860 |
20979
0963ed389012
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diff
changeset
|
861 // recurse to read cell elements |
21017
93748bcaec17
maint: Replace emtpy 'std::string ()' calls with "".
Rik <rik@octave.org>
parents:
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diff
changeset
|
862 std::string nm = read_text_data (is, "", |
20979
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
863 dummy, t2, i); |
20962
3aa293be0e8d
maint: Invert simple conditionals in if/else/error paradigm.
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diff
changeset
|
864 |
20979
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|
865 if (nm != CELL_ELT_TAG) |
0963ed389012
maint: invert if/else/error instances.
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parents:
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diff
changeset
|
866 error ("load: cell array element had unexpected name"); |
0963ed389012
maint: invert if/else/error instances.
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diff
changeset
|
867 |
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diff
changeset
|
868 if (is) |
0963ed389012
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parents:
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diff
changeset
|
869 tmp.elem (i, j) = t2; |
10315
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diff
changeset
|
870 } |
20979
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
871 } |
4687 | 872 |
20979
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
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20962
diff
changeset
|
873 if (! is) |
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20962
diff
changeset
|
874 error ("load: failed to load cell element"); |
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20962
diff
changeset
|
875 |
0963ed389012
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
876 matrix = tmp; |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
877 } |
20979
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20962
diff
changeset
|
878 else if (nr == 0 || nc == 0) |
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20962
diff
changeset
|
879 matrix = Cell (nr, nc); |
4687 | 880 else |
20979
0963ed389012
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parents:
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diff
changeset
|
881 panic_impossible (); |
4687 | 882 } |
883 else | |
20962
3aa293be0e8d
maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
884 panic_impossible (); |
4687 | 885 |
20879
5357423bca0a
Code Sprint 2015: remove return/break/goto after error
Andreas Weber <andy.weber.aw@gmail.com>
parents:
20853
diff
changeset
|
886 return true; |
4687 | 887 } |
888 | |
11586
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parents:
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diff
changeset
|
889 bool |
4687 | 890 octave_cell::save_binary (std::ostream& os, bool& save_as_floats) |
891 { | |
21660
53728df3e4c9
maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents:
21301
diff
changeset
|
892 dim_vector dv = dims (); |
53728df3e4c9
maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents:
21301
diff
changeset
|
893 if (dv.ndims () < 1) |
4687 | 894 return false; |
895 | |
896 // Use negative value for ndims | |
21660
53728df3e4c9
maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents:
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diff
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|
897 int32_t di = - dv.ndims (); |
5760 | 898 os.write (reinterpret_cast<char *> (&di), 4); |
21660
53728df3e4c9
maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents:
21301
diff
changeset
|
899 for (int i = 0; i < dv.ndims (); i++) |
4687 | 900 { |
21660
53728df3e4c9
maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents:
21301
diff
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|
901 di = dv(i); |
5760 | 902 os.write (reinterpret_cast<char *> (&di), 4); |
4687 | 903 } |
11586
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
904 |
4687 | 905 Cell tmp = cell_value (); |
11586
12df7854fa7c
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John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
906 |
21660
53728df3e4c9
maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents:
21301
diff
changeset
|
907 for (octave_idx_type i = 0; i < dv.numel (); i++) |
4687 | 908 { |
909 octave_value o_val = tmp.elem (i); | |
910 | |
23350
0f18524973eb
Fix initial newline for disp() of cells (bug #50683).
Rik <rik@octave.org>
parents:
23344
diff
changeset
|
911 // Recurse to save sub-value. |
11586
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
912 bool b = save_binary_data (os, o_val, CELL_ELT_TAG, "", 0, |
10315
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untabify src C++ source files
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parents:
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diff
changeset
|
913 save_as_floats); |
11586
12df7854fa7c
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diff
changeset
|
914 |
4687 | 915 if (! b) |
10315
57a59eae83cc
untabify src C++ source files
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parents:
10160
diff
changeset
|
916 return false; |
4687 | 917 } |
11586
12df7854fa7c
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parents:
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diff
changeset
|
918 |
4687 | 919 return true; |
920 } | |
921 | |
11586
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parents:
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diff
changeset
|
922 bool |
4687 | 923 octave_cell::load_binary (std::istream& is, bool swap, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
924 octave::mach_info::float_format fmt) |
4687 | 925 { |
8815
af907aeedbf4
cache cellstr_value in ov-cell
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
926 clear_cellstr_cache (); |
af907aeedbf4
cache cellstr_value in ov-cell
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
927 |
5828 | 928 int32_t mdims; |
5760 | 929 if (! is.read (reinterpret_cast<char *> (&mdims), 4)) |
4687 | 930 return false; |
931 if (swap) | |
4944 | 932 swap_bytes<4> (&mdims); |
4687 | 933 if (mdims >= 0) |
934 return false; | |
935 | |
936 mdims = -mdims; | |
5828 | 937 int32_t di; |
4687 | 938 dim_vector dv; |
939 dv.resize (mdims); | |
940 | |
941 for (int i = 0; i < mdims; i++) | |
942 { | |
5760 | 943 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
944 return false; |
4687 | 945 if (swap) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
946 swap_bytes<4> (&di); |
4687 | 947 dv(i) = di; |
948 } | |
11586
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parents:
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diff
changeset
|
949 |
5157 | 950 // Convert an array with a single dimension to be a row vector. |
951 // Octave should never write files like this, other software | |
952 // might. | |
953 | |
954 if (mdims == 1) | |
955 { | |
956 mdims = 2; | |
957 dv.resize (mdims); | |
958 dv(1) = dv(0); | |
959 dv(0) = 1; | |
960 } | |
961 | |
5275 | 962 octave_idx_type nel = dv.numel (); |
4687 | 963 Cell tmp(dv); |
964 | |
5275 | 965 for (octave_idx_type i = 0; i < nel; i++) |
4687 | 966 { |
967 octave_value t2; | |
968 bool dummy; | |
969 std::string doc; | |
970 | |
971 // recurse to read cell elements | |
21017
93748bcaec17
maint: Replace emtpy 'std::string ()' calls with "".
Rik <rik@octave.org>
parents:
20990
diff
changeset
|
972 std::string nm = read_binary_data (is, swap, fmt, "", |
10315
57a59eae83cc
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parents:
10160
diff
changeset
|
973 dummy, t2, doc); |
4687 | 974 |
20979
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
975 if (nm != CELL_ELT_TAG) |
20879
5357423bca0a
Code Sprint 2015: remove return/break/goto after error
Andreas Weber <andy.weber.aw@gmail.com>
parents:
20853
diff
changeset
|
976 error ("load: cell array element had unexpected name"); |
20979
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
977 |
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20962
diff
changeset
|
978 if (is) |
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20962
diff
changeset
|
979 tmp.elem (i) = t2; |
4687 | 980 } |
981 | |
20979
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20962
diff
changeset
|
982 if (! is) |
20879
5357423bca0a
Code Sprint 2015: remove return/break/goto after error
Andreas Weber <andy.weber.aw@gmail.com>
parents:
20853
diff
changeset
|
983 error ("load: failed to load matrix constant"); |
4687 | 984 |
20979
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20962
diff
changeset
|
985 matrix = tmp; |
0963ed389012
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20962
diff
changeset
|
986 |
20879
5357423bca0a
Code Sprint 2015: remove return/break/goto after error
Andreas Weber <andy.weber.aw@gmail.com>
parents:
20853
diff
changeset
|
987 return true; |
4687 | 988 } |
989 | |
8815
af907aeedbf4
cache cellstr_value in ov-cell
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
990 void * |
af907aeedbf4
cache cellstr_value in ov-cell
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parents:
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diff
changeset
|
991 octave_cell::mex_get_data (void) const |
af907aeedbf4
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parents:
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diff
changeset
|
992 { |
af907aeedbf4
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diff
changeset
|
993 clear_cellstr_cache (); |
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parents:
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diff
changeset
|
994 return matrix.mex_get_data (); |
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parents:
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diff
changeset
|
995 } |
af907aeedbf4
cache cellstr_value in ov-cell
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8733
diff
changeset
|
996 |
19863
09ed6f7538dd
avoid needing to include hdf5 in public header files (bug #44370, #43180)
John W. Eaton <jwe@octave.org> and Mike Miller <mtmiller@ieee.org>
parents:
19697
diff
changeset
|
997 bool |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
998 octave_cell::save_hdf5 (octave_hdf5_id loc_id, const char *name, |
34ce5be04942
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parents:
22323
diff
changeset
|
999 bool save_as_floats) |
19863
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avoid needing to include hdf5 in public header files (bug #44370, #43180)
John W. Eaton <jwe@octave.org> and Mike Miller <mtmiller@ieee.org>
parents:
19697
diff
changeset
|
1000 { |
4687 | 1001 #if defined (HAVE_HDF5) |
4815 | 1002 |
4814 | 1003 dim_vector dv = dims (); |
4837 | 1004 int empty = save_hdf5_empty (loc_id, name, dv); |
1005 if (empty) | |
1006 return (empty > 0); | |
1007 | |
21660
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maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents:
21301
diff
changeset
|
1008 hsize_t rank = dv.ndims (); |
18100
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17874
diff
changeset
|
1009 hid_t space_hid, data_hid, size_hid; |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17874
diff
changeset
|
1010 space_hid = data_hid = size_hid = -1; |
4687 | 1011 |
21211
2cf8bc5c7017
use "#if defined (HAVE_FOO)" instead of "#if HAVE_FOO" for feature tests
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1012 #if defined (HAVE_HDF5_18) |
22407
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Rik <rik@octave.org>
parents:
22323
diff
changeset
|
1013 data_hid = H5Gcreate (loc_id, name, octave_H5P_DEFAULT, octave_H5P_DEFAULT, |
34ce5be04942
maint: Style check C++ code in libinterp/.
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parents:
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diff
changeset
|
1014 octave_H5P_DEFAULT); |
9892
ac69e6f4b33d
Add HDF5-1.8 compatibility while maintaining compatibility with HDF5-1.6 versions
Kacper Kowalik <xarthisius.kk@gmail.com>
parents:
9881
diff
changeset
|
1015 #else |
4687 | 1016 data_hid = H5Gcreate (loc_id, name, 0); |
9892
ac69e6f4b33d
Add HDF5-1.8 compatibility while maintaining compatibility with HDF5-1.6 versions
Kacper Kowalik <xarthisius.kk@gmail.com>
parents:
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diff
changeset
|
1017 #endif |
4815 | 1018 |
1019 if (data_hid < 0) | |
1020 return false; | |
4687 | 1021 |
11586
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strip trailing whitespace from source files
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diff
changeset
|
1022 // Have to save cell array shape, since can't have a |
4814 | 1023 // dataset of groups.... |
4815 | 1024 |
23795
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1025 space_hid = H5Screate_simple (1, &rank, nullptr); |
4815 | 1026 |
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1027 if (space_hid < 0) |
4687 | 1028 { |
1029 H5Gclose (data_hid); | |
1030 return false; | |
1031 } | |
1032 | |
5351 | 1033 OCTAVE_LOCAL_BUFFER (octave_idx_type, hdims, rank); |
4814 | 1034 |
1035 // Octave uses column-major, while HDF5 uses row-major ordering | |
4933 | 1036 for (hsize_t i = 0; i < rank; i++) |
4815 | 1037 hdims[i] = dv(rank-i-1); |
4814 | 1038 |
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1039 #if defined (HAVE_HDF5_18) |
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1040 size_hid = H5Dcreate (data_hid, "dims", H5T_NATIVE_IDX, space_hid, |
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1041 octave_H5P_DEFAULT, octave_H5P_DEFAULT, octave_H5P_DEFAULT); |
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1042 #else |
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1043 size_hid = H5Dcreate (data_hid, "dims", H5T_NATIVE_IDX, space_hid, |
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1044 octave_H5P_DEFAULT); |
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1045 #endif |
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1046 if (size_hid < 0) |
4687 | 1047 { |
1048 H5Sclose (space_hid); | |
1049 H5Gclose (data_hid); | |
1050 return false; | |
1051 } | |
1052 | |
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1053 if (H5Dwrite (size_hid, H5T_NATIVE_IDX, octave_H5S_ALL, octave_H5S_ALL, |
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1054 octave_H5P_DEFAULT, hdims) < 0) |
4687 | 1055 { |
1056 H5Dclose (size_hid); | |
1057 H5Sclose (space_hid); | |
1058 H5Gclose (data_hid); | |
1059 return false; | |
1060 } | |
4815 | 1061 |
4687 | 1062 H5Dclose (size_hid); |
1063 H5Sclose (space_hid); | |
1064 | |
4815 | 1065 // Recursively add each element of the cell to this group. |
1066 | |
4687 | 1067 Cell tmp = cell_value (); |
5850 | 1068 |
1069 octave_idx_type nel = dv.numel (); | |
1070 | |
1071 for (octave_idx_type i = 0; i < nel; i++) | |
4687 | 1072 { |
5765 | 1073 std::ostringstream buf; |
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1074 int digits = static_cast<int> (std::floor (::log10 (static_cast<double> |
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1075 (nel)) + 1.0)); |
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1076 buf << '_' << std::setw (digits) << std::setfill ('0') << i; |
5765 | 1077 std::string s = buf.str (); |
4687 | 1078 |
5850 | 1079 if (! add_hdf5_data (data_hid, tmp.elem (i), s.c_str (), "", false, |
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1080 save_as_floats)) |
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1081 { |
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1082 H5Gclose (data_hid); |
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1083 return false; |
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1084 } |
4687 | 1085 } |
1086 | |
1087 H5Gclose (data_hid); | |
4815 | 1088 |
4687 | 1089 return true; |
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1090 |
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1091 #else |
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1092 octave_unused_parameter (loc_id); |
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1093 octave_unused_parameter (name); |
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1094 octave_unused_parameter (save_as_floats); |
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1095 |
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1096 warn_save ("hdf5"); |
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1097 |
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1098 return false; |
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1099 #endif |
4687 | 1100 } |
1101 | |
1102 bool | |
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1103 octave_cell::load_hdf5 (octave_hdf5_id loc_id, const char *name) |
4687 | 1104 { |
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1105 bool retval = false; |
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1106 |
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1107 #if defined (HAVE_HDF5) |
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1108 |
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1109 clear_cellstr_cache (); |
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1110 |
4837 | 1111 dim_vector dv; |
1112 int empty = load_hdf5_empty (loc_id, name, dv); | |
1113 if (empty > 0) | |
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1114 matrix.resize (dv); |
4837 | 1115 if (empty) |
1116 return (empty > 0); | |
1117 | |
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1118 #if defined (HAVE_HDF5_18) |
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1119 hid_t group_id = H5Gopen (loc_id, name, octave_H5P_DEFAULT); |
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1120 #else |
4687 | 1121 hid_t group_id = H5Gopen (loc_id, name); |
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1122 #endif |
4687 | 1123 |
1124 if (group_id < 0) | |
1125 return false; | |
1126 | |
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1127 #if defined (HAVE_HDF5_18) |
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1128 hid_t data_hid = H5Dopen (group_id, "dims", octave_H5P_DEFAULT); |
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1129 #else |
4814 | 1130 hid_t data_hid = H5Dopen (group_id, "dims"); |
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1131 #endif |
4687 | 1132 hid_t space_hid = H5Dget_space (data_hid); |
1133 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); | |
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1134 if (rank != 1) |
4687 | 1135 { |
4837 | 1136 H5Dclose (data_hid); |
1137 H5Gclose (group_id); | |
4687 | 1138 return false; |
1139 } | |
1140 | |
4814 | 1141 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
1142 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
4815 | 1143 |
4814 | 1144 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
4687 | 1145 |
4815 | 1146 // Octave uses column-major, while HDF5 uses row-major ordering. |
1147 | |
4814 | 1148 dv.resize (hdims[0]); |
4815 | 1149 |
5351 | 1150 OCTAVE_LOCAL_BUFFER (octave_idx_type, tmp, hdims[0]); |
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1151 |
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1152 if (H5Dread (data_hid, H5T_NATIVE_IDX, octave_H5S_ALL, octave_H5S_ALL, |
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1153 octave_H5P_DEFAULT, tmp) < 0) |
4687 | 1154 { |
4837 | 1155 H5Dclose (data_hid); |
1156 H5Gclose (group_id); | |
4687 | 1157 return false; |
1158 } | |
4815 | 1159 |
4687 | 1160 H5Dclose (data_hid); |
1161 H5Gclose (group_id); | |
1162 | |
4815 | 1163 for (hsize_t i = 0, j = hdims[0] - 1; i < hdims[0]; i++, j--) |
4814 | 1164 dv(j) = tmp[i]; |
1165 | |
4687 | 1166 hdf5_callback_data dsub; |
1167 | |
1168 herr_t retval2 = -1; | |
4815 | 1169 |
4814 | 1170 Cell m (dv); |
4815 | 1171 |
4687 | 1172 int current_item = 0; |
4815 | 1173 |
4696 | 1174 hsize_t num_obj = 0; |
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1175 #if defined (HAVE_HDF5_18) |
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1176 group_id = H5Gopen (loc_id, name, octave_H5P_DEFAULT); |
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1177 #else |
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1178 group_id = H5Gopen (loc_id, name); |
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1179 #endif |
5060 | 1180 H5Gget_num_objs (group_id, &num_obj); |
1181 H5Gclose (group_id); | |
4696 | 1182 |
5275 | 1183 for (octave_idx_type i = 0; i < dv.numel (); i++) |
4687 | 1184 { |
4696 | 1185 |
4814 | 1186 if (current_item >= static_cast<int> (num_obj)) |
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1187 retval2 = -1; |
4814 | 1188 else |
22028
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1189 retval2 = hdf5_h5g_iterate (loc_id, name, ¤t_item,&dsub); |
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1190 |
4687 | 1191 if (retval2 <= 0) |
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1192 break; |
4814 | 1193 |
1194 octave_value ov = dsub.tc; | |
1195 m.elem (i) = ov; | |
1196 | |
4687 | 1197 } |
1198 | |
1199 if (retval2 >= 0) | |
1200 { | |
1201 matrix = m; | |
1202 retval = true; | |
1203 } | |
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1204 |
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1205 #else |
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1206 octave_unused_parameter (loc_id); |
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1207 octave_unused_parameter (name); |
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1208 |
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1209 warn_load ("hdf5"); |
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1210 #endif |
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1211 |
4687 | 1212 return retval; |
1213 } | |
4815 | 1214 |
3354 | 1215 DEFUN (iscell, args, , |
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1216 doc: /* -*- texinfo -*- |
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1217 @deftypefn {} {} iscell (@var{x}) |
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1218 Return true if @var{x} is a cell array object. |
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1219 @seealso{ismatrix, isstruct, iscellstr, isa} |
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1220 @end deftypefn */) |
3354 | 1221 { |
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1222 if (args.length () != 1) |
5823 | 1223 print_usage (); |
3354 | 1224 |
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1225 return ovl (args(0).iscell ()); |
3354 | 1226 } |
1227 | |
1228 DEFUN (cell, args, , | |
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1229 doc: /* -*- texinfo -*- |
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1230 @deftypefn {} {} cell (@var{n}) |
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1231 @deftypefnx {} {} cell (@var{m}, @var{n}) |
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1232 @deftypefnx {} {} cell (@var{m}, @var{n}, @var{k}, @dots{}) |
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1233 @deftypefnx {} {} cell ([@var{m} @var{n} @dots{}]) |
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1234 Create a new cell array object. |
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1235 |
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1236 If invoked with a single scalar integer argument, return a square |
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1237 @nospell{NxN} cell array. If invoked with two or more scalar integer |
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1238 arguments, or a vector of integer values, return an array with the given |
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1239 dimensions. |
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1240 @seealso{cellstr, mat2cell, num2cell, struct2cell} |
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1241 @end deftypefn */) |
3354 | 1242 { |
1243 int nargin = args.length (); | |
1244 | |
4563 | 1245 dim_vector dims; |
1246 | |
3354 | 1247 switch (nargin) |
1248 { | |
4563 | 1249 case 0: |
1250 dims = dim_vector (0, 0); | |
3354 | 1251 break; |
1252 | |
4563 | 1253 case 1: |
1254 get_dimensions (args(0), "cell", dims); | |
3354 | 1255 break; |
1256 | |
1257 default: | |
4563 | 1258 { |
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1259 dims.resize (nargin); |
4563 | 1260 |
10315
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1261 for (int i = 0; i < nargin; i++) |
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|
1262 dims(i) = (args(i).isempty () |
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1263 ? 0 : args(i).xidx_type_value ("cell: dimension must be a scalar integer")); |
4563 | 1264 } |
3354 | 1265 break; |
1266 } | |
1267 | |
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1268 dims.chop_trailing_singletons (); |
4563 | 1269 |
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1270 check_dimensions (dims, "cell"); |
4563 | 1271 |
22200
46b67f1569b5
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|
1272 return ovl (Cell (dims)); |
3354 | 1273 } |
1274 | |
23467
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1275 /* |
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1276 ## This might work on some system someday, but for now, who has a system |
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1277 ## where a 16 yottabyte array can be allocated? See bug #50934. |
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1278 %!error <out of memory> cell (1e24, 1); |
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1279 */ |
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1280 |
4610 | 1281 DEFUN (iscellstr, args, , |
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1282 doc: /* -*- texinfo -*- |
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1283 @deftypefn {} {} iscellstr (@var{cell}) |
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1284 Return true if every element of the cell array @var{cell} is a character |
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1285 string. |
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1286 @seealso{ischar, isstring} |
21966
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1287 @end deftypefn */) |
4610 | 1288 { |
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1289 if (args.length () != 1) |
5823 | 1290 print_usage (); |
4610 | 1291 |
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1292 return ovl (args(0).iscellstr ()); |
4610 | 1293 } |
1294 | |
4817 | 1295 DEFUN (cellstr, args, , |
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1296 doc: /* -*- texinfo -*- |
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1297 @deftypefn {} {@var{cstr} =} cellstr (@var{strmat}) |
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1298 Create a new cell array object from the elements of the string array |
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1299 @var{strmat}. |
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1300 |
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1301 Each row of @var{strmat} becomes an element of @var{cstr}. Any trailing |
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1302 spaces in a row are deleted before conversion. |
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1303 |
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1304 To convert back from a cellstr to a character array use @code{char}. |
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1305 @seealso{cell, char} |
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1306 @end deftypefn */) |
4817 | 1307 { |
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1308 if (args.length () != 1) |
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1309 print_usage (); |
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1310 |
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1311 octave_value_list tmp = Fiscellstr (args, 1); |
4817 | 1312 |
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1313 if (tmp(0).is_true ()) |
20939
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|
1314 return ovl (args(0)); |
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1315 else |
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1316 { |
20990
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|
1317 string_vector s = args(0).xstring_vector_value ("cellstr: argument STRING must be a 2-D character array"); |
4817 | 1318 |
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|
1319 return ovl (s.isempty () ? Cell (octave_value ("")) |
20939
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1320 : Cell (s, true)); |
4817 | 1321 } |
1322 } | |
1323 | |
4762 | 1324 DEFUN (struct2cell, args, , |
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1325 doc: /* -*- texinfo -*- |
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1326 @deftypefn {} {@var{c} =} struct2cell (@var{s}) |
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1327 Create a new cell array from the objects stored in the struct object. |
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1328 |
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1329 If @var{f} is the number of fields in the structure, the resulting cell |
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1330 array will have a dimension vector corresponding to |
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1331 @code{[@var{f} size(@var{s})]}. For example: |
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1332 |
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1333 @example |
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1334 @group |
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1335 s = struct ("name", @{"Peter", "Hannah", "Robert"@}, |
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1336 "age", @{23, 16, 3@}); |
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1337 c = struct2cell (s) |
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1338 @result{} c = @{2x1x3 Cell Array@} |
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1339 c(1,1,:)(:) |
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1340 @result{} |
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1341 @{ |
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1342 [1,1] = Peter |
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1343 [2,1] = Hannah |
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1344 [3,1] = Robert |
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1345 @} |
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1346 c(2,1,:)(:) |
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1347 @result{} |
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1348 @{ |
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1349 [1,1] = 23 |
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1350 [2,1] = 16 |
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1351 [3,1] = 3 |
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1352 @} |
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1353 @end group |
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1354 @end example |
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1355 |
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1356 @seealso{cell2struct, fieldnames} |
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1357 @end deftypefn */) |
4762 | 1358 { |
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1359 if (args.length () != 1) |
5823 | 1360 print_usage (); |
4764 | 1361 |
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1362 const octave_map m = args(0).xmap_value ("struct2cell: argument S must be a structure"); |
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1363 |
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1364 const dim_vector m_dv = m.dims (); |
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1365 |
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1366 octave_idx_type num_fields = m.nfields (); |
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1367 |
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1368 // The resulting dim_vector should have dimensions: |
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1369 // [numel(fields) size(struct)] |
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1370 // except if the struct is a column vector. |
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1371 |
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1372 dim_vector result_dv; |
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1373 if (m_dv(m_dv.ndims () - 1) == 1) |
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|
1374 result_dv.resize (m_dv.ndims ()); |
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1375 else |
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1376 result_dv.resize (m_dv.ndims () + 1); // Add 1 for the fields. |
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1377 |
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1378 result_dv(0) = num_fields; |
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1379 |
21660
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1380 for (int i = 1; i < result_dv.ndims (); i++) |
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1381 result_dv(i) = m_dv(i-1); |
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1382 |
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1383 NoAlias<Cell> c (result_dv); |
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1384 |
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1385 octave_idx_type n_elts = m.numel (); |
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1386 |
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1387 // Fill c in one sweep. Note that thanks to octave_map structure, |
20797
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1388 // we don't need a key lookup at all. |
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1389 for (octave_idx_type j = 0; j < n_elts; j++) |
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1390 for (octave_idx_type i = 0; i < num_fields; i++) |
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1391 c(i,j) = m.contents(i)(j); |
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1392 |
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1393 return ovl (c); |
4762 | 1394 } |
1395 | |
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1396 /* |
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1397 %!test |
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1398 %! keys = cellstr (char (floor (rand (11,10)*24+65)))'; |
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1399 %! vals = cellfun (@(x) mat2cell (rand (19,1), ones (19,1), 1), ... |
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1400 %! mat2cell ([1:11]', ones (11,1), 1), "uniformoutput", false)'; |
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1401 %! s = struct ([keys; vals]{:}); |
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1402 %! t = cell2struct ([vals{:}], keys, 2); |
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1403 %! assert (s, t); |
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1404 %! assert (struct2cell (s), [vals{:}]'); |
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1405 %! assert (fieldnames (s), keys'); |
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1406 */ |
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1407 |
5900 | 1408 mxArray * |
1409 octave_cell::as_mxArray (void) const | |
1410 { | |
1411 mxArray *retval = new mxArray (dims ()); | |
1412 | |
1413 mxArray **elts = static_cast<mxArray **> (retval->get_data ()); | |
1414 | |
6686 | 1415 mwSize nel = numel (); |
5900 | 1416 |
1417 const octave_value *p = matrix.data (); | |
1418 | |
6686 | 1419 for (mwIndex i = 0; i < nel; i++) |
5900 | 1420 elts[i] = new mxArray (p[i]); |
1421 | |
1422 return retval; | |
1423 } | |
1424 | |
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1425 octave_value |
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1426 octave_cell::map (unary_mapper_t umap) const |
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1427 { |
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1428 switch (umap) |
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1429 { |
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1430 #define FORWARD_MAPPER(UMAP) \ |
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1431 case umap_ ## UMAP: \ |
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1432 return matrix.UMAP () |
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1433 |
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1434 FORWARD_MAPPER (xisalnum); |
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1435 FORWARD_MAPPER (xisalpha); |
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1436 FORWARD_MAPPER (xisascii); |
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1437 FORWARD_MAPPER (xiscntrl); |
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1438 FORWARD_MAPPER (xisdigit); |
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1439 FORWARD_MAPPER (xisgraph); |
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1440 FORWARD_MAPPER (xislower); |
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1441 FORWARD_MAPPER (xisprint); |
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1442 FORWARD_MAPPER (xispunct); |
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1443 FORWARD_MAPPER (xisspace); |
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1444 FORWARD_MAPPER (xisupper); |
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1445 FORWARD_MAPPER (xisxdigit); |
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1446 FORWARD_MAPPER (xtolower); |
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1447 FORWARD_MAPPER (xtoupper); |
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1448 |
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1449 default: |
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1450 return octave_base_value::map (umap); |
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1451 } |
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1452 } |