Mercurial > octave-nkf
annotate src/ov-range.h @ 12312:b10ea6efdc58 release-3-4-x ss-3-3-91
version is now 3.3.91
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 31 Jan 2011 08:36:58 -0500 |
| parents | 2aafbdac2ca8 |
| children | 72c96de7a403 |
| rev | line source |
|---|---|
| 2376 | 1 /* |
| 2 | |
| 11523 | 3 Copyright (C) 1996-2011 John W. Eaton |
| 2376 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2376 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2376 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_range_h) | |
| 24 #define octave_range_h 1 | |
| 25 | |
| 26 #include <cstdlib> | |
| 27 | |
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28 #include <iosfwd> |
| 2376 | 29 #include <string> |
| 30 | |
| 31 #include "Range.h" | |
| 32 | |
| 2889 | 33 #include "lo-mappers.h" |
| 2376 | 34 #include "lo-utils.h" |
| 35 #include "mx-base.h" | |
| 2477 | 36 #include "oct-alloc.h" |
| 2376 | 37 #include "str-vec.h" |
| 38 | |
| 39 #include "error.h" | |
| 5051 | 40 #include "oct-stream.h" |
| 2376 | 41 #include "ov-base.h" |
| 6127 | 42 #include "ov-re-mat.h" |
| 2376 | 43 #include "ov-typeinfo.h" |
| 44 | |
| 45 class octave_value_list; | |
| 46 | |
| 47 class tree_walker; | |
| 48 | |
| 49 // Range values. | |
| 50 | |
| 51 class | |
| 52 octave_range : public octave_base_value | |
| 53 { | |
| 54 public: | |
| 55 | |
| 56 octave_range (void) | |
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57 : octave_base_value (), range (), idx_cache () { } |
| 2376 | 58 |
| 59 octave_range (double base, double limit, double inc) | |
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60 : octave_base_value (), range (base, limit, inc), idx_cache () |
| 2376 | 61 { |
| 10313 | 62 if (range.nelem () < 0) |
| 63 ::error ("invalid range"); | |
| 2376 | 64 } |
| 65 | |
| 66 octave_range (const Range& r) | |
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67 : octave_base_value (), range (r), idx_cache () |
| 2376 | 68 { |
| 10313 | 69 if (range.nelem () < 0 && range.nelem () != -2) |
| 70 ::error ("invalid range"); | |
| 2376 | 71 } |
| 72 | |
| 73 octave_range (const octave_range& r) | |
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74 : octave_base_value (), range (r.range), |
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75 idx_cache (r.idx_cache ? new idx_vector (*r.idx_cache) : 0) |
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76 { } |
| 2376 | 77 |
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78 octave_range (const Range& r, const idx_vector& cache) |
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79 : octave_base_value (), range (r), idx_cache () |
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80 { |
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81 set_idx_cache (cache); |
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82 } |
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83 |
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84 ~octave_range (void) { clear_cached_info (); } |
| 2376 | 85 |
| 5759 | 86 octave_base_value *clone (void) const { return new octave_range (*this); } |
| 6127 | 87 |
| 88 // A range is really just a special kind of real matrix object. In | |
| 89 // the places where we need to call empty_clone, it makes more sense | |
| 90 // to create an empty matrix (0x0) instead of an empty range (1x0). | |
| 91 octave_base_value *empty_clone (void) const { return new octave_matrix (); } | |
| 2376 | 92 |
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93 type_conv_info numeric_conversion_function (void) const; |
| 2410 | 94 |
| 5759 | 95 octave_base_value *try_narrowing_conversion (void); |
| 2376 | 96 |
| 4247 | 97 octave_value subsref (const std::string& type, |
| 10313 | 98 const std::list<octave_value_list>& idx); |
| 3933 | 99 |
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100 octave_value_list subsref (const std::string& type, |
| 10313 | 101 const std::list<octave_value_list>& idx, int) |
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102 { return subsref (type, idx); } |
| 4271 | 103 |
| 5885 | 104 octave_value do_index_op (const octave_value_list& idx, |
| 10313 | 105 bool resize_ok = false); |
| 2436 | 106 |
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107 idx_vector index_vector (void) const; |
| 2376 | 108 |
| 4563 | 109 dim_vector dims (void) const |
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110 { |
| 5275 | 111 octave_idx_type n = range.nelem (); |
| 4563 | 112 return dim_vector (n > 0, n); |
| 113 } | |
| 3195 | 114 |
| 5731 | 115 octave_value resize (const dim_vector& dv, bool fill = false) const; |
| 116 | |
| 4915 | 117 |
| 4792 | 118 size_t byte_size (void) const { return 3 * sizeof (double); } |
| 4791 | 119 |
| 4627 | 120 octave_value reshape (const dim_vector& new_dims) const |
| 4901 | 121 { return NDArray (array_value().reshape (new_dims)); } |
| 4627 | 122 |
| 5434 | 123 octave_value permute (const Array<int>& vec, bool inv = false) const |
| 124 { return NDArray (array_value().permute (vec, inv)); } | |
| 125 | |
| 6999 | 126 octave_value squeeze (void) const { return range; } |
| 127 | |
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128 octave_value full_value (void) const { return range.matrix_value (); } |
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129 |
| 2376 | 130 bool is_defined (void) const { return true; } |
| 131 | |
| 2974 | 132 bool is_constant (void) const { return true; } |
| 133 | |
| 2376 | 134 bool is_range (void) const { return true; } |
| 135 | |
| 4017 | 136 octave_value all (int dim = 0) const; |
| 137 | |
| 138 octave_value any (int dim = 0) const; | |
| 2376 | 139 |
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140 octave_value diag (octave_idx_type k = 0) const; |
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141 |
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142 octave_value sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const |
| 7458 | 143 { return range.sort (dim, mode); } |
| 144 | |
| 145 octave_value sort (Array<octave_idx_type>& sidx, octave_idx_type dim = 0, | |
| 10313 | 146 sortmode mode = ASCENDING) const |
| 7458 | 147 { return range.sort (sidx, dim, mode); } |
| 148 | |
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149 sortmode is_sorted (sortmode mode = UNSORTED) const |
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150 { return range.is_sorted (mode); } |
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151 |
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152 Array<octave_idx_type> sort_rows_idx (sortmode) const |
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153 { return Array<octave_idx_type> (dim_vector (1, 0)); } |
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154 |
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155 sortmode is_sorted_rows (sortmode mode = UNSORTED) const |
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156 { return mode ? mode : ASCENDING; } |
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157 |
| 9685 | 158 builtin_type_t builtin_type (void) const { return btyp_double; } |
| 159 | |
| 2376 | 160 bool is_real_type (void) const { return true; } |
| 161 | |
| 5895 | 162 bool is_double_type (void) const { return true; } |
| 163 | |
| 7576 | 164 bool is_float_type (void) const { return true; } |
| 165 | |
| 3678 | 166 bool is_numeric_type (void) const { return true; } |
| 167 | |
| 2376 | 168 bool is_true (void) const; |
| 169 | |
| 3145 | 170 double double_value (bool = false) const; |
| 2376 | 171 |
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172 float float_value (bool = false) const; |
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173 |
| 3145 | 174 double scalar_value (bool frc_str_conv = false) const |
| 175 { return double_value (frc_str_conv); } | |
| 2916 | 176 |
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177 float float_scalar_value (bool frc_str_conv = false) const |
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178 { return float_value (frc_str_conv); } |
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179 |
| 3145 | 180 Matrix matrix_value (bool = false) const |
| 2376 | 181 { return range.matrix_value (); } |
| 182 | |
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183 FloatMatrix float_matrix_value (bool = false) const |
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184 { return range.matrix_value (); } |
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185 |
| 4668 | 186 NDArray array_value (bool = false) const |
| 187 { return range.matrix_value (); } | |
| 188 | |
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189 FloatNDArray float_array_value (bool = false) const |
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190 { return FloatMatrix (range.matrix_value ()); } |
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191 |
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192 charNDArray char_array_value (bool = false) const; |
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193 |
| 6934 | 194 // FIXME -- it would be better to have Range::intXNDArray_value |
| 195 // functions to avoid the intermediate conversion to a matrix | |
| 196 // object. | |
| 197 | |
| 6932 | 198 int8NDArray |
| 199 int8_array_value (void) const { return int8NDArray (array_value ()); } | |
| 200 | |
| 201 int16NDArray | |
| 202 int16_array_value (void) const { return int16NDArray (array_value ()); } | |
| 203 | |
| 204 int32NDArray | |
| 205 int32_array_value (void) const { return int32NDArray (array_value ()); } | |
| 206 | |
| 207 int64NDArray | |
| 208 int64_array_value (void) const { return int64NDArray (array_value ()); } | |
| 209 | |
| 210 uint8NDArray | |
| 211 uint8_array_value (void) const { return uint8NDArray (array_value ()); } | |
| 212 | |
| 213 uint16NDArray | |
| 214 uint16_array_value (void) const { return uint16NDArray (array_value ()); } | |
| 215 | |
| 216 uint32NDArray | |
| 217 uint32_array_value (void) const { return uint32NDArray (array_value ()); } | |
| 218 | |
| 219 uint64NDArray | |
| 220 uint64_array_value (void) const { return uint64NDArray (array_value ()); } | |
| 221 | |
| 6928 | 222 SparseMatrix sparse_matrix_value (bool = false) const |
| 223 { return SparseMatrix (range.matrix_value ()); } | |
| 224 | |
| 225 SparseComplexMatrix sparse_complex_matrix_value (bool = false) const | |
| 226 { return SparseComplexMatrix (sparse_matrix_value ()); } | |
| 227 | |
| 3145 | 228 Complex complex_value (bool = false) const; |
| 2376 | 229 |
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230 FloatComplex float_complex_value (bool = false) const; |
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231 |
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232 boolNDArray bool_array_value (bool warn = false) const; |
| 5898 | 233 |
| 3145 | 234 ComplexMatrix complex_matrix_value (bool = false) const |
| 3587 | 235 { return ComplexMatrix (range.matrix_value ()); } |
| 2376 | 236 |
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237 FloatComplexMatrix float_complex_matrix_value (bool = false) const |
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238 { return FloatComplexMatrix (range.matrix_value ()); } |
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239 |
| 4668 | 240 ComplexNDArray complex_array_value (bool = false) const |
| 241 { return ComplexMatrix (range.matrix_value ()); } | |
| 242 | |
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243 FloatComplexNDArray float_complex_array_value (bool = false) const |
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244 { return FloatComplexMatrix (range.matrix_value ()); } |
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245 |
| 2376 | 246 Range range_value (void) const { return range; } |
| 247 | |
| 5279 | 248 octave_value convert_to_str_internal (bool pad, bool force, char type) const; |
| 2449 | 249 |
| 3523 | 250 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 2901 | 251 |
| 3523 | 252 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 2901 | 253 |
| 3523 | 254 bool print_name_tag (std::ostream& os, const std::string& name) const; |
| 2376 | 255 |
| 6974 | 256 bool save_ascii (std::ostream& os); |
| 4687 | 257 |
| 258 bool load_ascii (std::istream& is); | |
| 259 | |
| 260 bool save_binary (std::ostream& os, bool& save_as_floats); | |
| 261 | |
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262 bool load_binary (std::istream& is, bool swap, |
| 10313 | 263 oct_mach_info::float_format fmt); |
| 4687 | 264 |
| 265 #if defined (HAVE_HDF5) | |
| 266 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats); | |
| 267 | |
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268 bool load_hdf5 (hid_t loc_id, const char *name); |
| 4687 | 269 #endif |
| 270 | |
| 5051 | 271 int write (octave_stream& os, int block_size, |
| 10313 | 272 oct_data_conv::data_type output_type, int skip, |
| 273 oct_mach_info::float_format flt_fmt) const | |
| 5051 | 274 { |
| 5775 | 275 // FIXME -- could be more memory efficient by having a |
| 5051 | 276 // special case of the octave_stream::write method for ranges. |
| 277 | |
| 278 return os.write (matrix_value (), block_size, output_type, skip, | |
| 10313 | 279 flt_fmt); |
| 5051 | 280 } |
| 281 | |
| 5900 | 282 mxArray *as_mxArray (void) const; |
| 283 | |
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284 octave_value map (unary_mapper_t umap) const |
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285 { |
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286 octave_matrix m (matrix_value ()); |
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287 return m.map (umap); |
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288 } |
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289 |
| 2376 | 290 private: |
| 291 | |
| 292 Range range; | |
| 293 | |
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294 idx_vector set_idx_cache (const idx_vector& idx) const |
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295 { |
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296 delete idx_cache; |
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297 idx_cache = idx ? new idx_vector (idx) : 0; |
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298 return idx; |
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299 } |
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300 |
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301 void clear_cached_info (void) const |
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302 { |
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303 delete idx_cache; idx_cache = 0; |
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304 } |
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305 |
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306 mutable idx_vector *idx_cache; |
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307 |
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308 // No assignment. |
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309 |
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310 octave_range& operator = (const octave_range&); |
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311 |
| 4612 | 312 DECLARE_OCTAVE_ALLOCATOR |
| 2477 | 313 |
| 4612 | 314 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
| 2376 | 315 }; |
| 316 | |
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317 // If TRUE, allow ranges with non-integer elements as array indices. |
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318 extern bool Vallow_noninteger_range_as_index; |
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319 |
| 2376 | 320 #endif |