Mercurial > octave-libgccjit
annotate src/ov-range.cc @ 8946:e7e928088e90
fix CRLF issues with text-mode reading in windows when loading ascii data
| author | Benjamin Lindner <lindnerb@users.sourceforge.net> |
|---|---|
| date | Tue, 10 Mar 2009 01:01:50 -0400 |
| parents | eb63fbe60fab |
| children | 967a692ddfe2 |
| rev | line source |
|---|---|
| 2376 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, |
| 8920 | 4 2007, 2008 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 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 3503 | 28 #include <iostream> |
| 2901 | 29 |
| 2376 | 30 #include "lo-ieee.h" |
| 31 #include "lo-utils.h" | |
| 32 | |
| 33 #include "gripes.h" | |
| 34 #include "ops.h" | |
| 3933 | 35 #include "oct-obj.h" |
| 2376 | 36 #include "ov-range.h" |
| 37 #include "ov-re-mat.h" | |
| 2410 | 38 #include "ov-scalar.h" |
| 2376 | 39 #include "pr-output.h" |
| 40 | |
| 4687 | 41 #include "byte-swap.h" |
|
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42 #include "ls-ascii-helper.h" |
| 4687 | 43 #include "ls-hdf5.h" |
| 44 #include "ls-utils.h" | |
| 45 | |
| 3219 | 46 DEFINE_OCTAVE_ALLOCATOR (octave_range); |
| 2376 | 47 |
| 4612 | 48 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_range, "range", "double"); |
| 2376 | 49 |
| 5759 | 50 static octave_base_value * |
| 51 default_numeric_conversion_function (const octave_base_value& a) | |
| 2376 | 52 { |
| 53 CAST_CONV_ARG (const octave_range&); | |
| 54 | |
| 55 return new octave_matrix (v.matrix_value ()); | |
| 56 } | |
| 57 | |
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58 octave_base_value::type_conv_info |
| 2376 | 59 octave_range::numeric_conversion_function (void) const |
| 60 { | |
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61 return octave_base_value::type_conv_info (default_numeric_conversion_function, |
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62 octave_matrix::static_type_id ()); |
| 2376 | 63 } |
| 64 | |
| 5759 | 65 octave_base_value * |
| 2410 | 66 octave_range::try_narrowing_conversion (void) |
| 67 { | |
| 5759 | 68 octave_base_value *retval = 0; |
| 2410 | 69 |
| 70 switch (range.nelem ()) | |
| 71 { | |
| 72 case 1: | |
| 73 retval = new octave_scalar (range.base ()); | |
| 74 break; | |
| 75 | |
| 76 case 0: | |
| 4417 | 77 retval = new octave_matrix (Matrix (1, 0)); |
| 2410 | 78 break; |
| 79 | |
| 80 default: | |
| 81 break; | |
| 82 } | |
| 83 | |
| 84 return retval; | |
| 85 } | |
| 86 | |
| 2436 | 87 octave_value |
| 4247 | 88 octave_range::subsref (const std::string& type, |
| 4219 | 89 const std::list<octave_value_list>& idx) |
| 3933 | 90 { |
| 91 octave_value retval; | |
| 92 | |
| 93 switch (type[0]) | |
| 94 { | |
| 95 case '(': | |
| 96 retval = do_index_op (idx.front ()); | |
| 97 break; | |
| 98 | |
| 99 case '{': | |
| 100 case '.': | |
| 101 { | |
| 102 std::string nm = type_name (); | |
| 103 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); | |
| 104 } | |
| 105 break; | |
| 106 | |
| 107 default: | |
| 108 panic_impossible (); | |
| 109 } | |
| 110 | |
| 111 return retval.next_subsref (type, idx); | |
| 112 } | |
| 113 | |
| 114 octave_value | |
| 5885 | 115 octave_range::do_index_op (const octave_value_list& idx, bool resize_ok) |
| 2436 | 116 { |
| 5775 | 117 // FIXME -- this doesn't solve the problem of |
| 2436 | 118 // |
| 119 // a = 1:5; a(1, 1, 1) | |
| 120 // | |
| 121 // and similar constructions. Hmm... | |
| 122 | |
| 5775 | 123 // FIXME -- using this constructor avoids possibly narrowing |
| 2436 | 124 // the range to a scalar value. Need a better solution to this |
| 125 // problem. | |
| 126 | |
| 127 octave_value tmp (new octave_matrix (range.matrix_value ())); | |
| 128 | |
| 3933 | 129 return tmp.do_index_op (idx, resize_ok); |
| 2436 | 130 } |
| 131 | |
| 2376 | 132 double |
| 133 octave_range::double_value (bool) const | |
| 134 { | |
| 4102 | 135 double retval = lo_ieee_nan_value (); |
| 2376 | 136 |
| 5275 | 137 octave_idx_type nel = range.nelem (); |
| 2376 | 138 |
| 4455 | 139 if (nel > 0) |
| 140 { | |
| 5781 | 141 gripe_implicit_conversion ("Octave:array-as-scalar", |
| 142 "range", "real scalar"); | |
| 4455 | 143 |
| 144 retval = range.base (); | |
| 145 } | |
| 2376 | 146 else |
| 147 gripe_invalid_conversion ("range", "real scalar"); | |
| 148 | |
| 149 return retval; | |
| 150 } | |
| 151 | |
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152 float |
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153 octave_range::float_value (bool) const |
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154 { |
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155 float retval = lo_ieee_float_nan_value (); |
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156 |
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157 octave_idx_type nel = range.nelem (); |
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158 |
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159 if (nel > 0) |
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160 { |
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161 gripe_implicit_conversion ("Octave:array-as-scalar", |
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162 "range", "real scalar"); |
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163 |
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164 retval = range.base (); |
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165 } |
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166 else |
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167 gripe_invalid_conversion ("range", "real scalar"); |
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168 |
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169 return retval; |
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170 } |
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171 |
| 2376 | 172 octave_value |
| 4017 | 173 octave_range::all (int dim) const |
| 2376 | 174 { |
| 5775 | 175 // FIXME -- this is a potential waste of memory. |
| 2436 | 176 |
| 177 Matrix m = range.matrix_value (); | |
| 178 | |
| 4017 | 179 return m.all (dim); |
| 2376 | 180 } |
| 181 | |
| 182 octave_value | |
| 4017 | 183 octave_range::any (int dim) const |
| 2376 | 184 { |
| 5775 | 185 // FIXME -- this is a potential waste of memory. |
| 4017 | 186 |
| 187 Matrix m = range.matrix_value (); | |
| 188 | |
| 189 return m.any (dim); | |
| 2376 | 190 } |
| 191 | |
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192 octave_value |
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193 octave_range::diag (octave_idx_type k) const |
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194 { |
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195 return (k == 0 |
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196 ? octave_value (DiagMatrix (DiagArray2<double> (range.matrix_value ()))) |
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197 : octave_value (range.diag (k))); |
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198 } |
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199 |
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200 |
| 2376 | 201 bool |
| 202 octave_range::is_true (void) const | |
| 203 { | |
| 204 bool retval = false; | |
| 2436 | 205 |
| 4478 | 206 if (range.nelem () != 0) |
| 2436 | 207 { |
| 5775 | 208 // FIXME -- this is a potential waste of memory. |
| 2436 | 209 |
| 210 Matrix m ((range.matrix_value () . all ()) . all ()); | |
| 211 | |
| 212 retval = (m.rows () == 1 && m.columns () == 1 && m (0, 0) != 0.0); | |
| 213 } | |
| 214 | |
| 2376 | 215 return retval; |
| 216 } | |
| 217 | |
| 218 Complex | |
| 219 octave_range::complex_value (bool) const | |
| 220 { | |
| 4102 | 221 double tmp = lo_ieee_nan_value (); |
| 222 | |
| 223 Complex retval (tmp, tmp); | |
| 2376 | 224 |
| 5275 | 225 octave_idx_type nel = range.nelem (); |
| 2376 | 226 |
| 4455 | 227 if (nel > 0) |
| 228 { | |
| 5781 | 229 gripe_implicit_conversion ("Octave:array-as-scalar", |
| 230 "range", "complex scalar"); | |
| 4455 | 231 |
| 232 retval = range.base (); | |
| 233 } | |
| 2376 | 234 else |
| 235 gripe_invalid_conversion ("range", "complex scalar"); | |
| 236 | |
| 237 return retval; | |
| 238 } | |
| 239 | |
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240 FloatComplex |
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241 octave_range::float_complex_value (bool) const |
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242 { |
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243 float tmp = lo_ieee_float_nan_value (); |
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244 |
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245 FloatComplex retval (tmp, tmp); |
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246 |
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247 octave_idx_type nel = range.nelem (); |
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248 |
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249 if (nel > 0) |
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250 { |
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251 gripe_implicit_conversion ("Octave:array-as-scalar", |
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252 "range", "complex scalar"); |
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253 |
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254 retval = range.base (); |
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255 } |
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256 else |
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257 gripe_invalid_conversion ("range", "complex scalar"); |
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258 |
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259 return retval; |
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260 } |
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261 |
| 5731 | 262 octave_value |
| 263 octave_range::resize (const dim_vector& dv, bool fill) const | |
| 264 { | |
| 265 NDArray retval = array_value (); | |
| 266 if (fill) | |
| 267 retval.resize (dv, NDArray::resize_fill_value()); | |
| 268 else | |
| 269 retval.resize (dv); | |
| 270 return retval; | |
| 271 } | |
| 272 | |
| 2376 | 273 octave_value |
| 5279 | 274 octave_range::convert_to_str_internal (bool pad, bool force, char type) const |
| 2449 | 275 { |
| 276 octave_value tmp (range.matrix_value ()); | |
| 5279 | 277 return tmp.convert_to_str (pad, force, type); |
| 2449 | 278 } |
| 279 | |
| 2376 | 280 void |
| 3523 | 281 octave_range::print (std::ostream& os, bool pr_as_read_syntax) const |
| 2901 | 282 { |
| 283 print_raw (os, pr_as_read_syntax); | |
| 284 newline (os); | |
| 285 } | |
| 286 | |
| 287 void | |
| 3523 | 288 octave_range::print_raw (std::ostream& os, bool pr_as_read_syntax) const |
| 2901 | 289 { |
| 290 octave_print_internal (os, range, pr_as_read_syntax, | |
| 291 current_print_indent_level ()); | |
| 292 } | |
| 293 | |
| 294 bool | |
| 3523 | 295 octave_range::print_name_tag (std::ostream& os, const std::string& name) const |
| 2376 | 296 { |
| 2901 | 297 bool retval = false; |
| 298 | |
| 5275 | 299 octave_idx_type n = range.nelem (); |
| 2901 | 300 |
| 301 indent (os); | |
| 302 | |
| 303 if (n == 0 || n == 1) | |
| 304 os << name << " = "; | |
| 305 else | |
| 306 { | |
| 307 os << name << " ="; | |
| 308 newline (os); | |
| 309 newline (os); | |
| 310 retval = true; | |
| 311 } | |
| 312 | |
| 313 return retval; | |
| 2376 | 314 } |
| 315 | |
| 4687 | 316 // Skip white space and comments on stream IS. |
| 317 | |
| 318 static void | |
| 319 skip_comments (std::istream& is) | |
| 320 { | |
| 321 char c = '\0'; | |
| 322 while (is.get (c)) | |
| 323 { | |
| 324 if (c == ' ' || c == '\t' || c == '\n') | |
| 325 ; // Skip whitespace on way to beginning of next line. | |
| 326 else | |
| 327 break; | |
| 328 } | |
| 329 | |
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330 skip_until_newline (is, false); |
| 4687 | 331 } |
| 332 | |
| 333 bool | |
| 6974 | 334 octave_range::save_ascii (std::ostream& os) |
| 4687 | 335 { |
| 336 Range r = range_value (); | |
| 337 double base = r.base (); | |
| 338 double limit = r.limit (); | |
| 339 double inc = r.inc (); | |
| 340 | |
| 341 os << "# base, limit, increment\n"; | |
| 342 octave_write_double (os, base); | |
| 343 os << " "; | |
| 344 octave_write_double (os, limit); | |
| 345 os << " "; | |
| 346 octave_write_double (os, inc); | |
| 347 os << "\n"; | |
| 348 | |
| 349 return true; | |
| 350 } | |
| 351 | |
| 352 bool | |
| 353 octave_range::load_ascii (std::istream& is) | |
| 354 { | |
| 355 // # base, limit, range comment added by save (). | |
| 356 skip_comments (is); | |
| 357 | |
| 358 is >> range; | |
| 359 | |
| 360 if (!is) | |
| 361 { | |
| 362 error ("load: failed to load range constant"); | |
| 363 return false; | |
| 364 } | |
| 365 | |
| 366 return true; | |
| 367 } | |
| 368 | |
| 369 bool | |
| 370 octave_range::save_binary (std::ostream& os, bool& /* save_as_floats */) | |
| 371 { | |
| 5760 | 372 char tmp = LS_DOUBLE; |
| 373 os.write (reinterpret_cast<char *> (&tmp), 1); | |
| 4687 | 374 Range r = range_value (); |
| 375 double bas = r.base (); | |
| 376 double lim = r.limit (); | |
| 377 double inc = r.inc (); | |
| 5760 | 378 os.write (reinterpret_cast<char *> (&bas), 8); |
| 379 os.write (reinterpret_cast<char *> (&lim), 8); | |
| 380 os.write (reinterpret_cast<char *> (&inc), 8); | |
| 4687 | 381 |
| 382 return true; | |
| 383 } | |
| 384 | |
| 385 bool | |
| 386 octave_range::load_binary (std::istream& is, bool swap, | |
| 387 oct_mach_info::float_format /* fmt */) | |
| 388 { | |
| 389 char tmp; | |
| 5760 | 390 if (! is.read (reinterpret_cast<char *> (&tmp), 1)) |
| 4687 | 391 return false; |
| 392 double bas, lim, inc; | |
| 5760 | 393 if (! is.read (reinterpret_cast<char *> (&bas), 8)) |
| 4687 | 394 return false; |
| 395 if (swap) | |
| 4944 | 396 swap_bytes<8> (&bas); |
| 5760 | 397 if (! is.read (reinterpret_cast<char *> (&lim), 8)) |
| 4687 | 398 return false; |
| 399 if (swap) | |
| 4944 | 400 swap_bytes<8> (&lim); |
| 5760 | 401 if (! is.read (reinterpret_cast<char *> (&inc), 8)) |
| 4687 | 402 return false; |
| 403 if (swap) | |
| 4944 | 404 swap_bytes<8> (&inc); |
| 4687 | 405 Range r (bas, lim, inc); |
| 406 range = r; | |
| 407 return true; | |
| 408 } | |
| 409 | |
| 410 #if defined (HAVE_HDF5) | |
| 4944 | 411 |
| 4687 | 412 // The following subroutines creates an HDF5 representation of the way |
| 413 // we will store Octave range types (triplets of floating-point numbers). | |
| 414 // NUM_TYPE is the HDF5 numeric type to use for storage (e.g. | |
| 415 // H5T_NATIVE_DOUBLE to save as 'double'). Note that any necessary | |
| 416 // conversions are handled automatically by HDF5. | |
| 417 | |
| 418 static hid_t | |
| 419 hdf5_make_range_type (hid_t num_type) | |
| 420 { | |
| 421 hid_t type_id = H5Tcreate (H5T_COMPOUND, sizeof (double) * 3); | |
| 422 | |
| 423 H5Tinsert (type_id, "base", 0 * sizeof (double), num_type); | |
| 424 H5Tinsert (type_id, "limit", 1 * sizeof (double), num_type); | |
| 425 H5Tinsert (type_id, "increment", 2 * sizeof (double), num_type); | |
| 426 | |
| 427 return type_id; | |
| 428 } | |
| 429 | |
| 430 bool | |
| 431 octave_range::save_hdf5 (hid_t loc_id, const char *name, | |
| 432 bool /* save_as_floats */) | |
| 433 { | |
| 4792 | 434 hsize_t dimens[3]; |
| 4687 | 435 hid_t space_hid = -1, type_hid = -1, data_hid = -1; |
| 436 bool retval = true; | |
| 437 | |
| 4815 | 438 space_hid = H5Screate_simple (0, dimens, 0); |
| 4687 | 439 if (space_hid < 0) return false; |
| 440 | |
| 441 type_hid = hdf5_make_range_type (H5T_NATIVE_DOUBLE); | |
| 442 if (type_hid < 0) | |
| 443 { | |
| 444 H5Sclose (space_hid); | |
| 445 return false; | |
| 446 } | |
| 447 | |
| 448 data_hid = H5Dcreate (loc_id, name, type_hid, space_hid, H5P_DEFAULT); | |
| 449 if (data_hid < 0) | |
| 450 { | |
| 451 H5Sclose (space_hid); | |
| 452 H5Tclose (type_hid); | |
| 453 return false; | |
| 454 } | |
| 455 | |
| 456 Range r = range_value (); | |
| 457 double range_vals[3]; | |
| 458 range_vals[0] = r.base (); | |
| 459 range_vals[1] = r.limit (); | |
| 460 range_vals[2] = r.inc (); | |
| 461 | |
| 462 retval = H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, H5P_DEFAULT, | |
| 4815 | 463 range_vals) >= 0; |
| 4687 | 464 |
| 465 H5Dclose (data_hid); | |
| 466 H5Tclose (type_hid); | |
| 467 H5Sclose (space_hid); | |
| 4837 | 468 |
| 4687 | 469 return retval; |
| 470 } | |
| 471 | |
| 472 bool | |
| 473 octave_range::load_hdf5 (hid_t loc_id, const char *name, | |
| 474 bool /* have_h5giterate_bug */) | |
| 475 { | |
| 476 bool retval = false; | |
| 4837 | 477 |
| 4687 | 478 hid_t data_hid = H5Dopen (loc_id, name); |
| 479 hid_t type_hid = H5Dget_type (data_hid); | |
| 480 | |
| 481 hid_t range_type = hdf5_make_range_type (H5T_NATIVE_DOUBLE); | |
| 482 | |
| 483 if (! hdf5_types_compatible (type_hid, range_type)) | |
| 484 { | |
| 4837 | 485 H5Tclose (range_type); |
| 4687 | 486 H5Dclose (data_hid); |
| 487 return false; | |
| 488 } | |
| 489 | |
| 490 hid_t space_hid = H5Dget_space (data_hid); | |
| 491 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); | |
| 492 | |
| 493 if (rank != 0) | |
| 494 { | |
| 4837 | 495 H5Tclose (range_type); |
| 4687 | 496 H5Sclose (space_hid); |
| 497 H5Dclose (data_hid); | |
| 498 return false; | |
| 499 } | |
| 500 | |
| 501 double rangevals[3]; | |
| 502 if (H5Dread (data_hid, range_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, | |
| 4815 | 503 rangevals) >= 0) |
| 4687 | 504 { |
| 505 retval = true; | |
| 506 Range r (rangevals[0], rangevals[1], rangevals[2]); | |
| 507 range = r; | |
| 508 } | |
| 509 | |
| 4837 | 510 H5Tclose (range_type); |
| 4687 | 511 H5Sclose (space_hid); |
| 512 H5Dclose (data_hid); | |
| 4837 | 513 |
| 4687 | 514 return retval; |
| 515 } | |
| 4944 | 516 |
| 4687 | 517 #endif |
| 518 | |
| 5900 | 519 mxArray * |
| 520 octave_range::as_mxArray (void) const | |
| 521 { | |
| 522 mxArray *retval = new mxArray (mxDOUBLE_CLASS, dims (), mxREAL); | |
| 523 | |
| 524 double *pr = static_cast<double *> (retval->get_data ()); | |
| 525 | |
| 6686 | 526 mwSize nel = numel (); |
| 5900 | 527 |
| 528 Matrix m = matrix_value (); | |
| 529 | |
| 530 const double *p = m.data (); | |
| 531 | |
| 6686 | 532 for (mwSize i = 0; i < nel; i++) |
| 5900 | 533 pr[i] = p[i]; |
| 534 | |
| 535 return retval; | |
| 536 } | |
| 537 | |
| 2376 | 538 /* |
| 539 ;;; Local Variables: *** | |
| 540 ;;; mode: C++ *** | |
| 541 ;;; End: *** | |
| 542 */ |