Mercurial > hg > octave-nkf
annotate src/ov-range.h @ 11217:521373e25613
correctly parse {1 2 {3 4}}
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Tue, 09 Nov 2010 18:12:17 -0500 |
| parents | d9e57045b9e1 |
| children | fd0a3ac60b0e |
| rev | line source |
|---|---|
| 2376 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, |
| 8920 | 4 2007, 2008, 2009 John W. Eaton |
| 2376 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2376 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 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 |
| 20 <http://www.gnu.org/licenses/>. | |
| 2376 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_range_h) | |
| 25 #define octave_range_h 1 | |
| 26 | |
| 27 #include <cstdlib> | |
| 28 | |
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29 #include <iosfwd> |
| 2376 | 30 #include <string> |
| 31 | |
| 32 #include "Range.h" | |
| 33 | |
| 2889 | 34 #include "lo-mappers.h" |
| 2376 | 35 #include "lo-utils.h" |
| 36 #include "mx-base.h" | |
| 2477 | 37 #include "oct-alloc.h" |
| 2376 | 38 #include "str-vec.h" |
| 39 | |
| 40 #include "error.h" | |
| 5051 | 41 #include "oct-stream.h" |
| 2376 | 42 #include "ov-base.h" |
| 6127 | 43 #include "ov-re-mat.h" |
| 2376 | 44 #include "ov-typeinfo.h" |
| 45 | |
| 46 class octave_value_list; | |
| 47 | |
| 48 class tree_walker; | |
| 49 | |
| 50 // Range values. | |
| 51 | |
| 52 class | |
| 53 octave_range : public octave_base_value | |
| 54 { | |
| 55 public: | |
| 56 | |
| 57 octave_range (void) | |
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58 : octave_base_value (), idx_cache () { } |
| 2376 | 59 |
| 60 octave_range (double base, double limit, double inc) | |
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61 : octave_base_value (), range (base, limit, inc), idx_cache () |
| 2376 | 62 { |
| 10313 | 63 if (range.nelem () < 0) |
| 64 ::error ("invalid range"); | |
| 2376 | 65 } |
| 66 | |
| 67 octave_range (const Range& r) | |
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68 : octave_base_value (), range (r), idx_cache () |
| 2376 | 69 { |
| 10313 | 70 if (range.nelem () < 0 && range.nelem () != -2) |
| 71 ::error ("invalid range"); | |
| 2376 | 72 } |
| 73 | |
| 74 octave_range (const octave_range& r) | |
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75 : octave_base_value (), range (r.range), |
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76 idx_cache (r.idx_cache ? new idx_vector (*r.idx_cache) : 0) |
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77 { } |
| 2376 | 78 |
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79 octave_range (const Range& r, const idx_vector& cache) |
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80 : octave_base_value (), range (r), idx_cache () |
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81 { |
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82 set_idx_cache (cache); |
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83 } |
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84 |
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85 ~octave_range (void) { clear_cached_info (); } |
| 2376 | 86 |
| 5759 | 87 octave_base_value *clone (void) const { return new octave_range (*this); } |
| 6127 | 88 |
| 89 // A range is really just a special kind of real matrix object. In | |
| 90 // the places where we need to call empty_clone, it makes more sense | |
| 91 // to create an empty matrix (0x0) instead of an empty range (1x0). | |
| 92 octave_base_value *empty_clone (void) const { return new octave_matrix (); } | |
| 2376 | 93 |
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94 type_conv_info numeric_conversion_function (void) const; |
| 2410 | 95 |
| 5759 | 96 octave_base_value *try_narrowing_conversion (void); |
| 2376 | 97 |
| 4247 | 98 octave_value subsref (const std::string& type, |
| 10313 | 99 const std::list<octave_value_list>& idx); |
| 3933 | 100 |
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101 octave_value_list subsref (const std::string& type, |
| 10313 | 102 const std::list<octave_value_list>& idx, int) |
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103 { return subsref (type, idx); } |
| 4271 | 104 |
| 5885 | 105 octave_value do_index_op (const octave_value_list& idx, |
| 10313 | 106 bool resize_ok = false); |
| 2436 | 107 |
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108 idx_vector index_vector (void) const; |
| 2376 | 109 |
| 4563 | 110 dim_vector dims (void) const |
| 5275 | 111 { |
| 112 octave_idx_type n = range.nelem (); | |
| 4563 | 113 return dim_vector (n > 0, n); |
| 114 } | |
| 3195 | 115 |
| 5731 | 116 octave_value resize (const dim_vector& dv, bool fill = false) const; |
| 117 | |
| 4915 | 118 |
| 4792 | 119 size_t byte_size (void) const { return 3 * sizeof (double); } |
| 4791 | 120 |
| 4627 | 121 octave_value reshape (const dim_vector& new_dims) const |
| 4901 | 122 { return NDArray (array_value().reshape (new_dims)); } |
| 4627 | 123 |
| 5434 | 124 octave_value permute (const Array<int>& vec, bool inv = false) const |
| 125 { return NDArray (array_value().permute (vec, inv)); } | |
| 126 | |
| 6999 | 127 octave_value squeeze (void) const { return range; } |
| 128 | |
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129 octave_value full_value (void) const { return range.matrix_value (); } |
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130 |
| 2376 | 131 bool is_defined (void) const { return true; } |
| 132 | |
| 2974 | 133 bool is_constant (void) const { return true; } |
| 134 | |
| 2376 | 135 bool is_range (void) const { return true; } |
| 136 | |
| 4017 | 137 octave_value all (int dim = 0) const; |
| 138 | |
| 139 octave_value any (int dim = 0) const; | |
| 2376 | 140 |
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141 octave_value diag (octave_idx_type k = 0) const; |
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142 |
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143 octave_value sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const |
| 7458 | 144 { return range.sort (dim, mode); } |
| 145 | |
| 146 octave_value sort (Array<octave_idx_type>& sidx, octave_idx_type dim = 0, | |
| 10313 | 147 sortmode mode = ASCENDING) const |
| 7458 | 148 { return range.sort (sidx, dim, mode); } |
| 149 | |
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150 sortmode is_sorted (sortmode mode = UNSORTED) const |
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151 { return range.is_sorted (mode); } |
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152 |
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153 Array<octave_idx_type> sort_rows_idx (sortmode) const |
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154 { return Array<octave_idx_type> (1, 0); } |
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155 |
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156 sortmode is_sorted_rows (sortmode mode = UNSORTED) const |
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157 { return mode ? mode : ASCENDING; } |
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158 |
| 9685 | 159 builtin_type_t builtin_type (void) const { return btyp_double; } |
| 160 | |
| 2376 | 161 bool is_real_type (void) const { return true; } |
| 162 | |
| 5895 | 163 bool is_double_type (void) const { return true; } |
| 164 | |
| 7576 | 165 bool is_float_type (void) const { return true; } |
| 166 | |
| 3678 | 167 bool is_numeric_type (void) const { return true; } |
| 168 | |
| 2376 | 169 bool is_true (void) const; |
| 170 | |
| 3145 | 171 double double_value (bool = false) const; |
| 2376 | 172 |
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173 float float_value (bool = false) const; |
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174 |
| 3145 | 175 double scalar_value (bool frc_str_conv = false) const |
| 176 { return double_value (frc_str_conv); } | |
| 2916 | 177 |
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178 float float_scalar_value (bool frc_str_conv = false) const |
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179 { return float_value (frc_str_conv); } |
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180 |
| 3145 | 181 Matrix matrix_value (bool = false) const |
| 2376 | 182 { return range.matrix_value (); } |
| 183 | |
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184 FloatMatrix float_matrix_value (bool = false) const |
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185 { return range.matrix_value (); } |
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186 |
| 4668 | 187 NDArray array_value (bool = false) const |
| 188 { return range.matrix_value (); } | |
| 189 | |
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190 FloatNDArray float_array_value (bool = false) const |
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191 { return FloatMatrix (range.matrix_value ()); } |
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192 |
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193 charNDArray char_array_value (bool = false) const; |
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194 |
| 6934 | 195 // FIXME -- it would be better to have Range::intXNDArray_value |
| 196 // functions to avoid the intermediate conversion to a matrix | |
| 197 // object. | |
| 198 | |
| 6932 | 199 int8NDArray |
| 200 int8_array_value (void) const { return int8NDArray (array_value ()); } | |
| 201 | |
| 202 int16NDArray | |
| 203 int16_array_value (void) const { return int16NDArray (array_value ()); } | |
| 204 | |
| 205 int32NDArray | |
| 206 int32_array_value (void) const { return int32NDArray (array_value ()); } | |
| 207 | |
| 208 int64NDArray | |
| 209 int64_array_value (void) const { return int64NDArray (array_value ()); } | |
| 210 | |
| 211 uint8NDArray | |
| 212 uint8_array_value (void) const { return uint8NDArray (array_value ()); } | |
| 213 | |
| 214 uint16NDArray | |
| 215 uint16_array_value (void) const { return uint16NDArray (array_value ()); } | |
| 216 | |
| 217 uint32NDArray | |
| 218 uint32_array_value (void) const { return uint32NDArray (array_value ()); } | |
| 219 | |
| 220 uint64NDArray | |
| 221 uint64_array_value (void) const { return uint64NDArray (array_value ()); } | |
| 222 | |
| 6928 | 223 SparseMatrix sparse_matrix_value (bool = false) const |
| 224 { return SparseMatrix (range.matrix_value ()); } | |
| 225 | |
| 226 SparseComplexMatrix sparse_complex_matrix_value (bool = false) const | |
| 227 { return SparseComplexMatrix (sparse_matrix_value ()); } | |
| 228 | |
| 3145 | 229 Complex complex_value (bool = false) const; |
| 2376 | 230 |
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231 FloatComplex float_complex_value (bool = false) const; |
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232 |
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233 boolNDArray bool_array_value (bool warn = false) const; |
| 5898 | 234 |
| 3145 | 235 ComplexMatrix complex_matrix_value (bool = false) const |
| 3587 | 236 { return ComplexMatrix (range.matrix_value ()); } |
| 2376 | 237 |
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238 FloatComplexMatrix float_complex_matrix_value (bool = false) const |
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239 { return FloatComplexMatrix (range.matrix_value ()); } |
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240 |
| 4668 | 241 ComplexNDArray complex_array_value (bool = false) const |
| 242 { return ComplexMatrix (range.matrix_value ()); } | |
| 243 | |
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244 FloatComplexNDArray float_complex_array_value (bool = false) const |
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245 { return FloatComplexMatrix (range.matrix_value ()); } |
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246 |
| 2376 | 247 Range range_value (void) const { return range; } |
| 248 | |
| 5279 | 249 octave_value convert_to_str_internal (bool pad, bool force, char type) const; |
| 2449 | 250 |
| 3523 | 251 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 2901 | 252 |
| 3523 | 253 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 2901 | 254 |
| 3523 | 255 bool print_name_tag (std::ostream& os, const std::string& name) const; |
| 2376 | 256 |
| 6974 | 257 bool save_ascii (std::ostream& os); |
| 4687 | 258 |
| 259 bool load_ascii (std::istream& is); | |
| 260 | |
| 261 bool save_binary (std::ostream& os, bool& save_as_floats); | |
| 262 | |
| 263 bool load_binary (std::istream& is, bool swap, | |
| 10313 | 264 oct_mach_info::float_format fmt); |
| 4687 | 265 |
| 266 #if defined (HAVE_HDF5) | |
| 267 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats); | |
| 268 | |
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269 bool load_hdf5 (hid_t loc_id, const char *name); |
| 4687 | 270 #endif |
| 271 | |
| 5051 | 272 int write (octave_stream& os, int block_size, |
| 10313 | 273 oct_data_conv::data_type output_type, int skip, |
| 274 oct_mach_info::float_format flt_fmt) const | |
| 5051 | 275 { |
| 5775 | 276 // FIXME -- could be more memory efficient by having a |
| 5051 | 277 // special case of the octave_stream::write method for ranges. |
| 278 | |
| 279 return os.write (matrix_value (), block_size, output_type, skip, | |
| 10313 | 280 flt_fmt); |
| 5051 | 281 } |
| 282 | |
| 5900 | 283 mxArray *as_mxArray (void) const; |
| 284 | |
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285 octave_value map (unary_mapper_t umap) const |
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286 { |
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287 octave_matrix m (matrix_value ()); |
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288 return m.map (umap); |
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289 } |
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290 |
| 2376 | 291 private: |
| 292 | |
| 293 Range range; | |
| 294 | |
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295 idx_vector set_idx_cache (const idx_vector& idx) const |
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296 { |
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297 delete idx_cache; |
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298 idx_cache = idx ? new idx_vector (idx) : 0; |
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299 return idx; |
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300 } |
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301 |
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302 void clear_cached_info (void) const |
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303 { |
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304 delete idx_cache; idx_cache = 0; |
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305 } |
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306 |
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307 mutable idx_vector *idx_cache; |
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308 |
| 4612 | 309 DECLARE_OCTAVE_ALLOCATOR |
| 2477 | 310 |
| 4612 | 311 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
| 2376 | 312 }; |
| 313 | |
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314 // If TRUE, allow ranges with non-integer elements as array indices. |
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315 extern bool Vallow_noninteger_range_as_index; |
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316 |
| 2376 | 317 #endif |