Mercurial > hg > octave-nkf
annotate src/ov-range.h @ 8870:eea0e1b45ec0
optimize string manipulation in lookfor
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Wed, 25 Feb 2009 10:21:33 +0100 |
| parents | 767ed8cc6634 |
| children | eb63fbe60fab |
| rev | line source |
|---|---|
| 2376 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, |
| 4 2007 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 | |
| 3503 | 29 #include <iostream> |
| 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_map; | |
| 47 class octave_value_list; | |
| 48 | |
| 49 class tree_walker; | |
| 50 | |
| 51 // Range values. | |
| 52 | |
| 53 class | |
| 54 octave_range : public octave_base_value | |
| 55 { | |
| 56 public: | |
| 57 | |
| 58 octave_range (void) | |
| 59 : octave_base_value () { } | |
| 60 | |
| 61 octave_range (double base, double limit, double inc) | |
| 62 : octave_base_value (), range (base, limit, inc) | |
| 63 { | |
| 64 if (range.nelem () < 0) | |
| 65 ::error ("invalid range"); | |
| 66 } | |
| 67 | |
| 68 octave_range (const Range& r) | |
| 69 : octave_base_value (), range (r) | |
| 70 { | |
| 71 if (range.nelem () < 0) | |
| 72 ::error ("invalid range"); | |
| 73 } | |
| 74 | |
| 75 octave_range (const octave_range& r) | |
| 76 : octave_base_value (), range (r.range) { } | |
| 77 | |
| 78 ~octave_range (void) { } | |
| 79 | |
| 5759 | 80 octave_base_value *clone (void) const { return new octave_range (*this); } |
| 6127 | 81 |
| 82 // A range is really just a special kind of real matrix object. In | |
| 83 // the places where we need to call empty_clone, it makes more sense | |
| 84 // to create an empty matrix (0x0) instead of an empty range (1x0). | |
| 85 octave_base_value *empty_clone (void) const { return new octave_matrix (); } | |
| 2376 | 86 |
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87 type_conv_info numeric_conversion_function (void) const; |
| 2410 | 88 |
| 5759 | 89 octave_base_value *try_narrowing_conversion (void); |
| 2376 | 90 |
| 4247 | 91 octave_value subsref (const std::string& type, |
| 4219 | 92 const std::list<octave_value_list>& idx); |
| 3933 | 93 |
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94 octave_value_list subsref (const std::string& type, |
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95 const std::list<octave_value_list>& idx, int) |
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96 { return subsref (type, idx); } |
| 4271 | 97 |
| 5885 | 98 octave_value do_index_op (const octave_value_list& idx, |
| 99 bool resize_ok = false); | |
| 2436 | 100 |
| 2376 | 101 idx_vector index_vector (void) const { return idx_vector (range); } |
| 102 | |
| 4563 | 103 dim_vector dims (void) const |
| 5275 | 104 { |
| 105 octave_idx_type n = range.nelem (); | |
| 4563 | 106 return dim_vector (n > 0, n); |
| 107 } | |
| 3195 | 108 |
| 5731 | 109 octave_value resize (const dim_vector& dv, bool fill = false) const; |
| 110 | |
| 4915 | 111 |
| 4792 | 112 size_t byte_size (void) const { return 3 * sizeof (double); } |
| 4791 | 113 |
| 4627 | 114 octave_value reshape (const dim_vector& new_dims) const |
| 4901 | 115 { return NDArray (array_value().reshape (new_dims)); } |
| 4627 | 116 |
| 5434 | 117 octave_value permute (const Array<int>& vec, bool inv = false) const |
| 118 { return NDArray (array_value().permute (vec, inv)); } | |
| 119 | |
| 6999 | 120 octave_value squeeze (void) const { return range; } |
| 121 | |
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122 octave_value full_value (void) const { return range.matrix_value (); } |
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123 |
| 2376 | 124 bool is_defined (void) const { return true; } |
| 125 | |
| 2974 | 126 bool is_constant (void) const { return true; } |
| 127 | |
| 2376 | 128 bool is_range (void) const { return true; } |
| 129 | |
| 4017 | 130 octave_value all (int dim = 0) const; |
| 131 | |
| 132 octave_value any (int dim = 0) const; | |
| 2376 | 133 |
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134 octave_value diag (octave_idx_type k = 0) const; |
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135 |
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136 octave_value sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const |
| 7458 | 137 { return range.sort (dim, mode); } |
| 138 | |
| 139 octave_value sort (Array<octave_idx_type>& sidx, octave_idx_type dim = 0, | |
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140 sortmode mode = ASCENDING) const |
| 7458 | 141 { return range.sort (sidx, dim, mode); } |
| 142 | |
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143 sortmode is_sorted (sortmode mode = UNSORTED) const |
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144 { return range.is_sorted (mode); } |
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145 |
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146 Array<octave_idx_type> sort_rows_idx (sortmode) const |
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147 { return Array<octave_idx_type> (1, 0); } |
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148 |
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149 sortmode is_sorted_rows (sortmode mode = UNSORTED) const |
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150 { return mode ? mode : ASCENDING; } |
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151 |
| 2376 | 152 bool is_real_type (void) const { return true; } |
| 153 | |
| 5895 | 154 bool is_double_type (void) const { return true; } |
| 155 | |
| 7576 | 156 bool is_float_type (void) const { return true; } |
| 157 | |
| 3678 | 158 bool is_numeric_type (void) const { return true; } |
| 159 | |
| 2376 | 160 bool is_true (void) const; |
| 161 | |
| 3145 | 162 double double_value (bool = false) const; |
| 2376 | 163 |
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164 float float_value (bool = false) const; |
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165 |
| 3145 | 166 double scalar_value (bool frc_str_conv = false) const |
| 167 { return double_value (frc_str_conv); } | |
| 2916 | 168 |
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169 float float_scalar_value (bool frc_str_conv = false) const |
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170 { return float_value (frc_str_conv); } |
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171 |
| 3145 | 172 Matrix matrix_value (bool = false) const |
| 2376 | 173 { return range.matrix_value (); } |
| 174 | |
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175 FloatMatrix float_matrix_value (bool = false) const |
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176 { return range.matrix_value (); } |
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177 |
| 4668 | 178 NDArray array_value (bool = false) const |
| 179 { return range.matrix_value (); } | |
| 180 | |
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181 FloatNDArray float_array_value (bool = false) const |
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182 { return FloatMatrix (range.matrix_value ()); } |
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183 |
| 6934 | 184 // FIXME -- it would be better to have Range::intXNDArray_value |
| 185 // functions to avoid the intermediate conversion to a matrix | |
| 186 // object. | |
| 187 | |
| 6932 | 188 int8NDArray |
| 189 int8_array_value (void) const { return int8NDArray (array_value ()); } | |
| 190 | |
| 191 int16NDArray | |
| 192 int16_array_value (void) const { return int16NDArray (array_value ()); } | |
| 193 | |
| 194 int32NDArray | |
| 195 int32_array_value (void) const { return int32NDArray (array_value ()); } | |
| 196 | |
| 197 int64NDArray | |
| 198 int64_array_value (void) const { return int64NDArray (array_value ()); } | |
| 199 | |
| 200 uint8NDArray | |
| 201 uint8_array_value (void) const { return uint8NDArray (array_value ()); } | |
| 202 | |
| 203 uint16NDArray | |
| 204 uint16_array_value (void) const { return uint16NDArray (array_value ()); } | |
| 205 | |
| 206 uint32NDArray | |
| 207 uint32_array_value (void) const { return uint32NDArray (array_value ()); } | |
| 208 | |
| 209 uint64NDArray | |
| 210 uint64_array_value (void) const { return uint64NDArray (array_value ()); } | |
| 211 | |
| 6928 | 212 SparseMatrix sparse_matrix_value (bool = false) const |
| 213 { return SparseMatrix (range.matrix_value ()); } | |
| 214 | |
| 215 SparseComplexMatrix sparse_complex_matrix_value (bool = false) const | |
| 216 { return SparseComplexMatrix (sparse_matrix_value ()); } | |
| 217 | |
| 3145 | 218 Complex complex_value (bool = false) const; |
| 2376 | 219 |
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220 FloatComplex float_complex_value (bool = false) const; |
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221 |
| 5943 | 222 boolNDArray bool_array_value (bool warn = false) const |
| 223 { | |
| 224 Matrix m = range.matrix_value (); | |
| 225 | |
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226 if (m.any_element_is_nan ()) |
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227 error ("invalid conversion from NaN to logical"); |
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228 else if (warn && m.any_element_not_one_or_zero ()) |
| 5943 | 229 gripe_logical_conversion (); |
| 230 | |
| 231 return boolNDArray (m); | |
| 232 } | |
| 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 | |
| 262 bool load_binary (std::istream& is, bool swap, | |
| 263 oct_mach_info::float_format fmt); | |
| 264 | |
| 265 #if defined (HAVE_HDF5) | |
| 266 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats); | |
| 267 | |
| 268 bool load_hdf5 (hid_t loc_id, const char *name, bool have_h5giterate_bug); | |
| 269 #endif | |
| 270 | |
| 5051 | 271 int write (octave_stream& os, int block_size, |
| 272 oct_data_conv::data_type output_type, int skip, | |
| 273 oct_mach_info::float_format flt_fmt) const | |
| 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, | |
| 279 flt_fmt); | |
| 280 } | |
| 281 | |
| 5900 | 282 mxArray *as_mxArray (void) const; |
| 283 | |
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284 // Mapper functions are converted to double for treatment |
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285 #define RANGE_MAPPER(MAP) \ |
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286 octave_value MAP (void) const \ |
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287 { \ |
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288 octave_matrix m (array_value ()); \ |
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289 return m.MAP (); \ |
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290 } |
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291 |
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292 RANGE_MAPPER (abs) |
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293 RANGE_MAPPER (acos) |
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294 RANGE_MAPPER (acosh) |
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295 RANGE_MAPPER (angle) |
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296 RANGE_MAPPER (arg) |
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297 RANGE_MAPPER (asin) |
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298 RANGE_MAPPER (asinh) |
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299 RANGE_MAPPER (atan) |
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300 RANGE_MAPPER (atanh) |
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301 RANGE_MAPPER (ceil) |
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302 RANGE_MAPPER (conj) |
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303 RANGE_MAPPER (cos) |
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304 RANGE_MAPPER (cosh) |
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305 RANGE_MAPPER (erf) |
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306 RANGE_MAPPER (erfc) |
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307 RANGE_MAPPER (exp) |
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308 RANGE_MAPPER (expm1) |
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309 RANGE_MAPPER (finite) |
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310 RANGE_MAPPER (fix) |
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311 RANGE_MAPPER (floor) |
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312 RANGE_MAPPER (gamma) |
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313 RANGE_MAPPER (imag) |
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314 RANGE_MAPPER (isinf) |
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315 RANGE_MAPPER (isna) |
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316 RANGE_MAPPER (isnan) |
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317 RANGE_MAPPER (lgamma) |
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318 RANGE_MAPPER (log) |
| 7740 | 319 RANGE_MAPPER (log2) |
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320 RANGE_MAPPER (log10) |
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321 RANGE_MAPPER (log1p) |
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322 RANGE_MAPPER (real) |
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323 RANGE_MAPPER (round) |
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324 RANGE_MAPPER (roundb) |
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325 RANGE_MAPPER (signum) |
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326 RANGE_MAPPER (sin) |
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327 RANGE_MAPPER (sinh) |
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328 RANGE_MAPPER (sqrt) |
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329 RANGE_MAPPER (tan) |
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330 RANGE_MAPPER (tanh) |
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331 |
| 2376 | 332 private: |
| 333 | |
| 334 Range range; | |
| 335 | |
| 4612 | 336 DECLARE_OCTAVE_ALLOCATOR |
| 2477 | 337 |
| 4612 | 338 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
| 2376 | 339 }; |
| 340 | |
| 341 #endif | |
| 342 | |
| 343 /* | |
| 344 ;;; Local Variables: *** | |
| 345 ;;; mode: C++ *** | |
| 346 ;;; End: *** | |
| 347 */ |