Mercurial > hg > octave-nkf
annotate src/ov-re-sparse.cc @ 12121:87237a866c71 release-3-2-x
this branch is no longer maintained and is closed for further development
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Sat, 22 Jan 2011 01:00:54 -0500 |
| parents | 3df527f71cee |
| children |
| rev | line source |
|---|---|
| 5164 | 1 /* |
| 2 | |
| 8920 | 3 Copyright (C) 2004, 2005, 2006, 2007, 2008 David Bateman |
| 7016 | 4 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Andy Adler |
| 5 | |
| 6 This file is part of Octave. | |
| 5164 | 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. | |
| 5164 | 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/>. | |
| 5164 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 28 #include <climits> | |
| 29 | |
| 30 #include <iostream> | |
| 31 #include <vector> | |
| 32 | |
|
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33 #include "lo-specfun.h" |
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34 #include "lo-mappers.h" |
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35 #include "oct-locbuf.h" |
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36 |
| 5164 | 37 #include "ov-base.h" |
| 38 #include "ov-scalar.h" | |
| 39 #include "gripes.h" | |
| 40 | |
| 41 #include "ls-hdf5.h" | |
| 42 | |
| 43 #include "ov-re-sparse.h" | |
| 44 | |
| 45 #include "ov-base-sparse.h" | |
| 46 #include "ov-base-sparse.cc" | |
| 47 | |
| 48 #include "ov-bool-sparse.h" | |
| 49 | |
| 6109 | 50 template class OCTINTERP_API octave_base_sparse<SparseMatrix>; |
| 5164 | 51 |
| 52 DEFINE_OCTAVE_ALLOCATOR (octave_sparse_matrix); | |
| 53 | |
| 6823 | 54 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_sparse_matrix, "sparse matrix", "double"); |
| 5164 | 55 |
| 5282 | 56 idx_vector |
| 57 octave_sparse_matrix::index_vector (void) const | |
| 58 { | |
| 5604 | 59 if (matrix.numel () == matrix.nnz ()) |
| 5282 | 60 return idx_vector (array_value ()); |
| 61 else | |
| 62 { | |
| 63 std::string nm = type_name (); | |
| 64 error ("%s type invalid as index value", nm.c_str ()); | |
| 65 return idx_vector (); | |
| 66 } | |
| 67 } | |
| 68 | |
| 5759 | 69 octave_base_value * |
| 5164 | 70 octave_sparse_matrix::try_narrowing_conversion (void) |
| 71 { | |
| 5759 | 72 octave_base_value *retval = 0; |
| 5164 | 73 |
| 7193 | 74 if (Vsparse_auto_mutate) |
| 5164 | 75 { |
| 7193 | 76 // Don't use numel, since it can overflow for very large matrices |
| 77 // Note that for the second test, this means it becomes approximative | |
| 78 // since it involves a cast to double to avoid issues of overflow | |
| 79 if (matrix.rows () == 1 && matrix.cols () == 1) | |
| 80 { | |
| 81 // Const copy of the matrix, so the right version of () operator used | |
| 82 const SparseMatrix tmp (matrix); | |
| 5164 | 83 |
| 7193 | 84 retval = new octave_scalar (tmp (0)); |
| 85 } | |
| 86 else if (matrix.cols () > 0 && matrix.rows () > 0 && | |
| 87 double (matrix.byte_size ()) > double (matrix.rows ()) * | |
| 88 double (matrix.cols ()) * sizeof (double)) | |
| 89 retval = new octave_matrix (matrix.matrix_value ()); | |
| 5164 | 90 } |
| 91 | |
| 92 return retval; | |
| 93 } | |
| 94 | |
| 95 double | |
| 96 octave_sparse_matrix::double_value (bool) const | |
| 97 { | |
| 98 double retval = lo_ieee_nan_value (); | |
| 99 | |
| 100 if (numel () > 0) | |
| 101 { | |
| 6221 | 102 if (numel () > 1) |
| 103 gripe_implicit_conversion ("Octave:array-as-scalar", | |
| 104 "real sparse matrix", "real scalar"); | |
| 5164 | 105 |
| 106 retval = matrix (0, 0); | |
| 107 } | |
| 108 else | |
| 109 gripe_invalid_conversion ("real sparse matrix", "real scalar"); | |
| 110 | |
| 111 return retval; | |
| 112 } | |
| 113 | |
| 114 Complex | |
| 115 octave_sparse_matrix::complex_value (bool) const | |
| 116 { | |
| 117 double tmp = lo_ieee_nan_value (); | |
| 118 | |
| 119 Complex retval (tmp, tmp); | |
| 120 | |
| 5775 | 121 // FIXME -- maybe this should be a function, valid_as_scalar() |
| 5164 | 122 if (rows () > 0 && columns () > 0) |
| 123 { | |
| 6221 | 124 if (numel () > 1) |
| 125 gripe_implicit_conversion ("Octave:array-as-scalar", | |
| 126 "real sparse matrix", "complex scalar"); | |
| 5164 | 127 |
| 128 retval = matrix (0, 0); | |
| 129 } | |
| 130 else | |
| 131 gripe_invalid_conversion ("real sparse matrix", "complex scalar"); | |
| 132 | |
| 133 return retval; | |
| 134 } | |
| 135 | |
| 136 Matrix | |
| 137 octave_sparse_matrix::matrix_value (bool) const | |
| 138 { | |
| 139 return matrix.matrix_value (); | |
| 140 } | |
| 141 | |
| 5898 | 142 boolNDArray |
| 5943 | 143 octave_sparse_matrix::bool_array_value (bool warn) const |
| 5898 | 144 { |
| 5943 | 145 NDArray m = matrix.matrix_value (); |
| 146 | |
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147 if (m.any_element_is_nan ()) |
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148 error ("invalid conversion from NaN to logical"); |
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149 else if (warn && m.any_element_not_one_or_zero ()) |
| 5943 | 150 gripe_logical_conversion (); |
| 151 | |
| 152 return boolNDArray (m); | |
| 5898 | 153 } |
| 154 | |
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155 charNDArray |
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156 octave_sparse_matrix::char_array_value (bool) const |
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157 { |
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158 charNDArray retval (dims (), 0); |
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159 octave_idx_type nc = matrix.cols (); |
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160 octave_idx_type nr = matrix.rows (); |
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161 |
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162 for (octave_idx_type j = 0; j < nc; j++) |
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163 for (octave_idx_type i = matrix.cidx(j); i < matrix.cidx(j+1); i++) |
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164 retval(matrix.ridx(i) + nr * j) = static_cast<char>(matrix.data (i)); |
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165 |
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166 return retval; |
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167 } |
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168 |
| 5164 | 169 ComplexMatrix |
| 170 octave_sparse_matrix::complex_matrix_value (bool) const | |
| 171 { | |
| 172 return ComplexMatrix (matrix.matrix_value ()); | |
| 173 } | |
| 174 | |
| 175 ComplexNDArray | |
| 176 octave_sparse_matrix::complex_array_value (bool) const | |
| 177 { | |
| 178 return ComplexNDArray (ComplexMatrix (matrix.matrix_value ())); | |
| 179 } | |
| 180 | |
| 181 NDArray | |
| 182 octave_sparse_matrix::array_value (bool) const | |
| 183 { | |
| 184 return NDArray (matrix.matrix_value ()); | |
| 185 } | |
| 186 | |
| 5282 | 187 octave_value |
| 5322 | 188 octave_sparse_matrix::convert_to_str_internal (bool, bool, char type) const |
| 5282 | 189 { |
| 190 octave_value retval; | |
| 191 dim_vector dv = dims (); | |
| 192 octave_idx_type nel = dv.numel (); | |
| 193 | |
| 194 if (nel == 0) | |
| 195 { | |
| 196 char s = '\0'; | |
| 5322 | 197 retval = octave_value (&s, type); |
| 5282 | 198 } |
| 199 else | |
| 200 { | |
| 201 octave_idx_type nr = matrix.rows (); | |
| 202 octave_idx_type nc = matrix.cols (); | |
| 203 charNDArray chm (dv, static_cast<char> (0)); | |
| 204 | |
| 205 bool warned = false; | |
| 206 | |
| 207 for (octave_idx_type j = 0; j < nc; j++) | |
| 208 for (octave_idx_type i = matrix.cidx(j); | |
| 209 i < matrix.cidx(j+1); i++) | |
| 210 { | |
| 211 OCTAVE_QUIT; | |
| 212 | |
| 213 double d = matrix.data (i); | |
| 214 | |
| 215 if (xisnan (d)) | |
| 216 { | |
| 217 ::error ("invalid conversion from NaN to character"); | |
| 218 return retval; | |
| 219 } | |
| 220 else | |
| 221 { | |
| 222 int ival = NINT (d); | |
| 223 | |
| 224 if (ival < 0 || ival > UCHAR_MAX) | |
| 225 { | |
| 5775 | 226 // FIXME -- is there something |
| 5282 | 227 // better we could do? |
| 228 | |
| 229 ival = 0; | |
| 230 | |
| 231 if (! warned) | |
| 232 { | |
| 233 ::warning ("range error for conversion to character value"); | |
| 234 warned = true; | |
| 235 } | |
| 236 } | |
| 237 | |
| 238 chm (matrix.ridx(i) + j * nr) = | |
| 239 static_cast<char> (ival); | |
| 240 } | |
| 241 } | |
| 5322 | 242 retval = octave_value (chm, true, type); |
| 5282 | 243 } |
| 244 | |
| 245 return retval; | |
| 246 } | |
| 247 | |
| 5164 | 248 bool |
| 249 octave_sparse_matrix::save_binary (std::ostream& os, bool&save_as_floats) | |
| 250 { | |
| 251 dim_vector d = this->dims (); | |
| 252 if (d.length() < 1) | |
| 253 return false; | |
| 254 | |
| 255 // Ensure that additional memory is deallocated | |
| 256 matrix.maybe_compress (); | |
| 257 | |
| 258 int nr = d(0); | |
| 259 int nc = d(1); | |
| 5604 | 260 int nz = nzmax (); |
| 5164 | 261 |
| 5828 | 262 int32_t itmp; |
| 5164 | 263 // Use negative value for ndims to be consistent with other formats |
| 264 itmp= -2; | |
| 5760 | 265 os.write (reinterpret_cast<char *> (&itmp), 4); |
| 5164 | 266 |
| 267 itmp= nr; | |
| 5760 | 268 os.write (reinterpret_cast<char *> (&itmp), 4); |
| 5164 | 269 |
| 270 itmp= nc; | |
| 5760 | 271 os.write (reinterpret_cast<char *> (&itmp), 4); |
| 5164 | 272 |
| 273 itmp= nz; | |
| 5760 | 274 os.write (reinterpret_cast<char *> (&itmp), 4); |
| 5164 | 275 |
| 276 save_type st = LS_DOUBLE; | |
| 277 if (save_as_floats) | |
| 278 { | |
| 279 if (matrix.too_large_for_float ()) | |
| 280 { | |
| 281 warning ("save: some values too large to save as floats --"); | |
| 282 warning ("save: saving as doubles instead"); | |
| 283 } | |
| 284 else | |
| 285 st = LS_FLOAT; | |
| 286 } | |
| 5775 | 287 else if (matrix.nzmax () > 8192) // FIXME -- make this configurable. |
| 5164 | 288 { |
| 289 double max_val, min_val; | |
| 290 if (matrix.all_integers (max_val, min_val)) | |
| 291 st = get_save_type (max_val, min_val); | |
| 292 } | |
| 293 | |
| 294 // add one to the printed indices to go from | |
| 295 // zero-based to one-based arrays | |
| 296 for (int i = 0; i < nc+1; i++) | |
| 297 { | |
| 298 OCTAVE_QUIT; | |
| 299 itmp = matrix.cidx(i); | |
| 5760 | 300 os.write (reinterpret_cast<char *> (&itmp), 4); |
| 5164 | 301 } |
| 302 | |
| 303 for (int i = 0; i < nz; i++) | |
| 304 { | |
| 305 OCTAVE_QUIT; | |
| 306 itmp = matrix.ridx(i); | |
| 5760 | 307 os.write (reinterpret_cast<char *> (&itmp), 4); |
| 5164 | 308 } |
| 309 | |
| 310 write_doubles (os, matrix.data(), st, nz); | |
| 311 | |
| 312 return true; | |
| 313 } | |
| 314 | |
| 315 bool | |
| 316 octave_sparse_matrix::load_binary (std::istream& is, bool swap, | |
| 317 oct_mach_info::float_format fmt) | |
| 318 { | |
| 5828 | 319 int32_t nz, nc, nr, tmp; |
| 5327 | 320 char ctmp; |
| 321 | |
| 5760 | 322 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 5164 | 323 return false; |
| 324 | |
| 325 if (swap) | |
| 326 swap_bytes<4> (&tmp); | |
| 327 | |
| 328 if (tmp != -2) { | |
| 329 error("load: only 2D sparse matrices are supported"); | |
| 330 return false; | |
| 331 } | |
| 332 | |
| 5760 | 333 if (! is.read (reinterpret_cast<char *> (&nr), 4)) |
| 5164 | 334 return false; |
| 5760 | 335 if (! is.read (reinterpret_cast<char *> (&nc), 4)) |
| 5164 | 336 return false; |
| 5760 | 337 if (! is.read (reinterpret_cast<char *> (&nz), 4)) |
| 5164 | 338 return false; |
| 339 | |
| 340 if (swap) | |
| 341 { | |
| 342 swap_bytes<4> (&nr); | |
| 343 swap_bytes<4> (&nc); | |
| 344 swap_bytes<4> (&nz); | |
| 345 } | |
| 346 | |
| 5275 | 347 SparseMatrix m (static_cast<octave_idx_type> (nr), |
| 348 static_cast<octave_idx_type> (nc), | |
| 349 static_cast<octave_idx_type> (nz)); | |
| 5164 | 350 |
| 351 for (int i = 0; i < nc+1; i++) | |
| 352 { | |
| 353 OCTAVE_QUIT; | |
| 5760 | 354 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 5164 | 355 return false; |
| 356 if (swap) | |
| 357 swap_bytes<4> (&tmp); | |
| 358 m.xcidx(i) = tmp; | |
| 359 } | |
| 360 | |
| 361 for (int i = 0; i < nz; i++) | |
| 362 { | |
| 363 OCTAVE_QUIT; | |
| 5760 | 364 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 5164 | 365 return false; |
| 366 if (swap) | |
| 367 swap_bytes<4> (&tmp); | |
| 368 m.xridx(i) = tmp; | |
| 369 } | |
| 370 | |
| 5760 | 371 if (! is.read (reinterpret_cast<char *> (&ctmp), 1)) |
| 5164 | 372 return false; |
| 373 | |
| 5760 | 374 read_doubles (is, m.xdata (), static_cast<save_type> (ctmp), nz, swap, fmt); |
| 5164 | 375 |
| 376 if (error_state || ! is) | |
| 377 return false; | |
| 378 matrix = m; | |
| 379 | |
| 380 return true; | |
| 381 } | |
| 382 | |
| 383 #if defined (HAVE_HDF5) | |
| 5900 | 384 |
| 5164 | 385 bool |
| 386 octave_sparse_matrix::save_hdf5 (hid_t loc_id, const char *name, | |
| 387 bool save_as_floats) | |
| 388 { | |
| 389 dim_vector dv = dims (); | |
| 390 int empty = save_hdf5_empty (loc_id, name, dv); | |
| 391 if (empty) | |
| 392 return (empty > 0); | |
| 393 | |
| 394 // Ensure that additional memory is deallocated | |
| 395 matrix.maybe_compress (); | |
| 396 | |
| 397 hid_t group_hid = H5Gcreate (loc_id, name, 0); | |
| 398 if (group_hid < 0) | |
| 399 return false; | |
| 400 | |
| 401 hid_t space_hid = -1, data_hid = -1; | |
| 402 bool retval = true; | |
| 403 SparseMatrix m = sparse_matrix_value (); | |
| 5351 | 404 octave_idx_type tmp; |
| 5164 | 405 hsize_t hdims[2]; |
| 406 | |
| 5760 | 407 space_hid = H5Screate_simple (0, hdims, 0); |
| 5164 | 408 if (space_hid < 0) |
| 409 { | |
| 410 H5Gclose (group_hid); | |
| 411 return false; | |
| 412 } | |
| 413 | |
| 5351 | 414 data_hid = H5Dcreate (group_hid, "nr", H5T_NATIVE_IDX, space_hid, |
| 5164 | 415 H5P_DEFAULT); |
| 416 if (data_hid < 0) | |
| 417 { | |
| 418 H5Sclose (space_hid); | |
| 419 H5Gclose (group_hid); | |
| 420 return false; | |
| 421 } | |
| 422 | |
| 423 tmp = m.rows (); | |
| 5351 | 424 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
| 5760 | 425 &tmp) >= 0; |
| 5164 | 426 H5Dclose (data_hid); |
| 427 if (!retval) | |
| 428 { | |
| 429 H5Sclose (space_hid); | |
| 430 H5Gclose (group_hid); | |
| 431 return false; | |
| 432 } | |
| 433 | |
| 5351 | 434 data_hid = H5Dcreate (group_hid, "nc", H5T_NATIVE_IDX, space_hid, |
| 5164 | 435 H5P_DEFAULT); |
| 436 if (data_hid < 0) | |
| 437 { | |
| 438 H5Sclose (space_hid); | |
| 439 H5Gclose (group_hid); | |
| 440 return false; | |
| 441 } | |
| 442 | |
| 443 tmp = m.cols (); | |
| 5351 | 444 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
| 5760 | 445 &tmp) >= 0; |
| 5164 | 446 H5Dclose (data_hid); |
| 447 if (!retval) | |
| 448 { | |
| 449 H5Sclose (space_hid); | |
| 450 H5Gclose (group_hid); | |
| 451 return false; | |
| 452 } | |
| 453 | |
| 5351 | 454 data_hid = H5Dcreate (group_hid, "nz", H5T_NATIVE_IDX, space_hid, |
| 5164 | 455 H5P_DEFAULT); |
| 456 if (data_hid < 0) | |
| 457 { | |
| 458 H5Sclose (space_hid); | |
| 459 H5Gclose (group_hid); | |
| 460 return false; | |
| 461 } | |
| 462 | |
| 5604 | 463 tmp = m.nzmax (); |
| 5351 | 464 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
| 5760 | 465 &tmp) >= 0; |
| 5164 | 466 H5Dclose (data_hid); |
| 467 if (!retval) | |
| 468 { | |
| 469 H5Sclose (space_hid); | |
| 470 H5Gclose (group_hid); | |
| 471 return false; | |
| 472 } | |
| 473 | |
| 474 H5Sclose (space_hid); | |
| 475 | |
| 476 hdims[0] = m.cols() + 1; | |
| 477 hdims[1] = 1; | |
| 478 | |
| 479 space_hid = H5Screate_simple (2, hdims, 0); | |
| 480 | |
| 481 if (space_hid < 0) | |
| 482 { | |
| 483 H5Gclose (group_hid); | |
| 484 return false; | |
| 485 } | |
| 486 | |
| 5351 | 487 data_hid = H5Dcreate (group_hid, "cidx", H5T_NATIVE_IDX, space_hid, |
| 5164 | 488 H5P_DEFAULT); |
| 489 if (data_hid < 0) | |
| 490 { | |
| 491 H5Sclose (space_hid); | |
| 492 H5Gclose (group_hid); | |
| 493 return false; | |
| 494 } | |
| 495 | |
| 5351 | 496 octave_idx_type * itmp = m.xcidx (); |
| 497 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, | |
| 5760 | 498 itmp) >= 0; |
| 5164 | 499 H5Dclose (data_hid); |
| 500 if (!retval) | |
| 501 { | |
| 502 H5Sclose (space_hid); | |
| 503 H5Gclose (group_hid); | |
| 504 return false; | |
| 505 } | |
| 506 | |
| 507 H5Sclose (space_hid); | |
| 508 | |
| 5604 | 509 hdims[0] = m.nzmax (); |
| 5164 | 510 hdims[1] = 1; |
| 511 | |
| 512 space_hid = H5Screate_simple (2, hdims, 0); | |
| 513 | |
| 514 if (space_hid < 0) | |
| 515 { | |
| 516 H5Gclose (group_hid); | |
| 517 return false; | |
| 518 } | |
| 519 | |
| 5351 | 520 data_hid = H5Dcreate (group_hid, "ridx", H5T_NATIVE_IDX, space_hid, |
| 5164 | 521 H5P_DEFAULT); |
| 522 if (data_hid < 0) | |
| 523 { | |
| 524 H5Sclose (space_hid); | |
| 525 H5Gclose (group_hid); | |
| 526 return false; | |
| 527 } | |
| 528 | |
| 529 itmp = m.xridx (); | |
| 5351 | 530 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
| 5760 | 531 itmp) >= 0; |
| 5164 | 532 H5Dclose (data_hid); |
| 533 if (!retval) | |
| 534 { | |
| 535 H5Sclose (space_hid); | |
| 536 H5Gclose (group_hid); | |
| 537 return false; | |
| 538 } | |
| 539 | |
| 540 hid_t save_type_hid = H5T_NATIVE_DOUBLE; | |
| 541 | |
| 542 if (save_as_floats) | |
| 543 { | |
| 544 if (m.too_large_for_float ()) | |
| 545 { | |
| 546 warning ("save: some values too large to save as floats --"); | |
| 547 warning ("save: saving as doubles instead"); | |
| 548 } | |
| 549 else | |
| 550 save_type_hid = H5T_NATIVE_FLOAT; | |
| 551 } | |
| 552 #if HAVE_HDF5_INT2FLOAT_CONVERSIONS | |
| 553 // hdf5 currently doesn't support float/integer conversions | |
| 554 else | |
| 555 { | |
| 556 double max_val, min_val; | |
| 557 | |
| 558 if (m.all_integers (max_val, min_val)) | |
| 559 save_type_hid | |
| 560 = save_type_to_hdf5 (get_save_type (max_val, min_val)); | |
| 561 } | |
| 562 #endif /* HAVE_HDF5_INT2FLOAT_CONVERSIONS */ | |
| 563 | |
| 564 data_hid = H5Dcreate (group_hid, "data", save_type_hid, space_hid, | |
| 565 H5P_DEFAULT); | |
| 566 if (data_hid < 0) | |
| 567 { | |
| 568 H5Sclose (space_hid); | |
| 569 H5Gclose (group_hid); | |
| 570 return false; | |
| 571 } | |
| 572 | |
| 573 double * dtmp = m.xdata (); | |
| 574 retval = H5Dwrite (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, | |
| 5760 | 575 H5P_DEFAULT, dtmp) >= 0; |
| 5164 | 576 H5Dclose (data_hid); |
| 577 H5Sclose (space_hid); | |
| 578 H5Gclose (group_hid); | |
| 579 | |
| 580 return retval; | |
| 581 } | |
| 582 | |
| 583 bool | |
| 584 octave_sparse_matrix::load_hdf5 (hid_t loc_id, const char *name, | |
| 5760 | 585 bool /* have_h5giterate_bug */) |
| 5164 | 586 { |
| 5351 | 587 octave_idx_type nr, nc, nz; |
| 5164 | 588 hid_t group_hid, data_hid, space_hid; |
| 589 hsize_t rank; | |
| 590 | |
| 591 dim_vector dv; | |
| 592 int empty = load_hdf5_empty (loc_id, name, dv); | |
| 593 if (empty > 0) | |
| 594 matrix.resize(dv); | |
| 595 if (empty) | |
| 596 return (empty > 0); | |
| 597 | |
| 598 group_hid = H5Gopen (loc_id, name); | |
| 5760 | 599 if (group_hid < 0) return false; |
| 5164 | 600 |
| 601 data_hid = H5Dopen (group_hid, "nr"); | |
| 602 space_hid = H5Dget_space (data_hid); | |
| 603 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 604 | |
| 605 if (rank != 0) | |
| 606 { | |
| 607 H5Dclose (data_hid); | |
| 608 H5Gclose (group_hid); | |
| 609 return false; | |
| 610 } | |
| 611 | |
| 5351 | 612 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
| 5760 | 613 H5P_DEFAULT, &nr) < 0) |
| 5164 | 614 { |
| 615 H5Dclose (data_hid); | |
| 616 H5Gclose (group_hid); | |
| 617 return false; | |
| 618 } | |
| 619 | |
| 620 H5Dclose (data_hid); | |
| 621 | |
| 622 data_hid = H5Dopen (group_hid, "nc"); | |
| 623 space_hid = H5Dget_space (data_hid); | |
| 624 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 625 | |
| 626 if (rank != 0) | |
| 627 { | |
| 628 H5Dclose (data_hid); | |
| 629 H5Gclose (group_hid); | |
| 630 return false; | |
| 631 } | |
| 632 | |
| 5351 | 633 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
| 5760 | 634 H5P_DEFAULT, &nc) < 0) |
| 5164 | 635 { |
| 636 H5Dclose (data_hid); | |
| 637 H5Gclose (group_hid); | |
| 638 return false; | |
| 639 } | |
| 640 | |
| 641 H5Dclose (data_hid); | |
| 642 | |
| 643 data_hid = H5Dopen (group_hid, "nz"); | |
| 644 space_hid = H5Dget_space (data_hid); | |
| 645 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 646 | |
| 647 if (rank != 0) | |
| 648 { | |
| 649 H5Dclose (data_hid); | |
| 650 H5Gclose (group_hid); | |
| 651 return false; | |
| 652 } | |
| 653 | |
| 5351 | 654 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
| 5760 | 655 H5P_DEFAULT, &nz) < 0) |
| 5164 | 656 { |
| 657 H5Dclose (data_hid); | |
| 658 H5Gclose (group_hid); | |
| 659 return false; | |
| 660 } | |
| 661 | |
| 662 H5Dclose (data_hid); | |
| 663 | |
| 5275 | 664 SparseMatrix m (static_cast<octave_idx_type> (nr), |
| 665 static_cast<octave_idx_type> (nc), | |
| 666 static_cast<octave_idx_type> (nz)); | |
| 5164 | 667 |
| 668 data_hid = H5Dopen (group_hid, "cidx"); | |
| 669 space_hid = H5Dget_space (data_hid); | |
| 670 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 671 | |
| 672 if (rank != 2) | |
| 673 { | |
| 674 H5Sclose (space_hid); | |
| 675 H5Dclose (data_hid); | |
| 676 H5Gclose (group_hid); | |
| 677 return false; | |
| 678 } | |
| 679 | |
| 680 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); | |
| 681 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
| 682 | |
| 683 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); | |
| 684 | |
| 5322 | 685 if (static_cast<int> (hdims[0]) != nc + 1 || |
| 686 static_cast<int> (hdims[1]) != 1) | |
| 5164 | 687 { |
| 688 H5Sclose (space_hid); | |
| 689 H5Dclose (data_hid); | |
| 690 H5Gclose (group_hid); | |
| 691 return false; | |
| 692 } | |
| 693 | |
| 5351 | 694 octave_idx_type *itmp = m.xcidx (); |
| 695 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, | |
| 5760 | 696 H5P_DEFAULT, itmp) < 0) |
| 5164 | 697 { |
| 698 H5Sclose (space_hid); | |
| 699 H5Dclose (data_hid); | |
| 700 H5Gclose (group_hid); | |
| 701 return false; | |
| 702 } | |
| 703 | |
| 704 H5Sclose (space_hid); | |
| 705 H5Dclose (data_hid); | |
| 706 | |
| 707 data_hid = H5Dopen (group_hid, "ridx"); | |
| 708 space_hid = H5Dget_space (data_hid); | |
| 709 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 710 | |
| 711 if (rank != 2) | |
| 712 { | |
| 713 H5Sclose (space_hid); | |
| 714 H5Dclose (data_hid); | |
| 715 H5Gclose (group_hid); | |
| 716 return false; | |
| 717 } | |
| 718 | |
| 719 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); | |
| 720 | |
| 5322 | 721 if (static_cast<int> (hdims[0]) != nz || static_cast<int> (hdims[1]) != 1) |
| 5164 | 722 { |
| 723 H5Sclose (space_hid); | |
| 724 H5Dclose (data_hid); | |
| 725 H5Gclose (group_hid); | |
| 726 return false; | |
| 727 } | |
| 728 | |
| 729 itmp = m.xridx (); | |
| 5351 | 730 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
| 5760 | 731 H5P_DEFAULT, itmp) < 0) |
| 5164 | 732 { |
| 733 H5Sclose (space_hid); | |
| 734 H5Dclose (data_hid); | |
| 735 H5Gclose (group_hid); | |
| 736 return false; | |
| 737 } | |
| 738 | |
| 739 H5Sclose (space_hid); | |
| 740 H5Dclose (data_hid); | |
| 741 | |
| 742 data_hid = H5Dopen (group_hid, "data"); | |
| 743 space_hid = H5Dget_space (data_hid); | |
| 744 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 745 | |
| 746 if (rank != 2) | |
| 747 { | |
| 748 H5Sclose (space_hid); | |
| 749 H5Dclose (data_hid); | |
| 750 H5Gclose (group_hid); | |
| 751 return false; | |
| 752 } | |
| 753 | |
| 754 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); | |
| 755 | |
| 5322 | 756 if (static_cast<int> (hdims[0]) != nz || static_cast<int> (hdims[1]) != 1) |
| 5164 | 757 { |
| 758 H5Sclose (space_hid); | |
| 759 H5Dclose (data_hid); | |
| 760 H5Gclose (group_hid); | |
| 761 return false; | |
| 762 } | |
| 763 | |
| 764 double *dtmp = m.xdata (); | |
| 765 if (H5Dread (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, | |
| 5760 | 766 H5P_DEFAULT, dtmp) < 0) |
| 5164 | 767 { |
| 768 H5Sclose (space_hid); | |
| 769 H5Dclose (data_hid); | |
| 770 H5Gclose (group_hid); | |
| 771 return false; | |
| 772 } | |
| 773 | |
| 774 H5Sclose (space_hid); | |
| 775 H5Dclose (data_hid); | |
| 776 H5Gclose (group_hid); | |
| 777 | |
| 778 matrix = m; | |
| 779 | |
| 780 return true; | |
| 781 } | |
| 5900 | 782 |
| 5164 | 783 #endif |
| 784 | |
| 5900 | 785 mxArray * |
| 786 octave_sparse_matrix::as_mxArray (void) const | |
| 787 { | |
| 6686 | 788 mwSize nz = nzmax(); |
| 789 mwSize nr = rows(); | |
| 790 mwSize nc = columns(); | |
| 5903 | 791 mxArray *retval = new mxArray (mxDOUBLE_CLASS, nr, nc, nz, mxREAL); |
| 792 double *pr = static_cast<double *> (retval->get_data ()); | |
| 6686 | 793 mwIndex *ir = retval->get_ir(); |
| 794 mwIndex *jc = retval->get_jc(); | |
| 5903 | 795 |
| 6686 | 796 for (mwIndex i = 0; i < nz; i++) |
| 5903 | 797 { |
| 798 pr[i] = matrix.data(i); | |
| 799 ir[i] = matrix.ridx(i); | |
| 800 } | |
| 801 | |
| 6686 | 802 for (mwIndex i = 0; i < nc + 1; i++) |
| 5903 | 803 jc[i] = matrix.cidx(i); |
| 804 | |
| 805 return retval; | |
| 5900 | 806 } |
| 807 | |
|
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808 static bool |
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809 any_element_less_than (const SparseMatrix& a, double val) |
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810 { |
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811 octave_idx_type len = a.nnz (); |
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812 |
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813 if (val > 0. && len != a.numel ()) |
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814 return true; |
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815 |
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816 for (octave_idx_type i = 0; i < len; i++) |
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817 { |
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818 OCTAVE_QUIT; |
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819 |
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820 if (a.data(i) < val) |
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821 return true; |
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822 } |
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823 |
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824 return false; |
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825 } |
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826 |
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827 static bool |
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828 any_element_greater_than (const SparseMatrix& a, double val) |
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829 { |
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830 octave_idx_type len = a.nnz (); |
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831 |
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832 if (val < 0. && len != a.numel ()) |
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833 return true; |
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834 |
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835 for (octave_idx_type i = 0; i < len; i++) |
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836 { |
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837 OCTAVE_QUIT; |
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838 |
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839 if (a.data(i) > val) |
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840 return true; |
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841 } |
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842 |
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843 return false; |
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844 } |
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845 |
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846 #define SPARSE_MAPPER(MAP, AMAP, FCN) \ |
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847 octave_value \ |
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848 octave_sparse_matrix::MAP (void) const \ |
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849 { \ |
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850 static AMAP dmap = FCN; \ |
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851 return matrix.map (dmap); \ |
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852 } |
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853 |
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854 #define CD_SPARSE_MAPPER(MAP, RFCN, CFCN, L1, L2) \ |
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855 octave_value \ |
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856 octave_sparse_matrix::MAP (void) const \ |
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857 { \ |
|
7667
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858 static SparseMatrix::dmapper dmap = RFCN; \ |
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859 static SparseMatrix::cmapper cmap = CFCN; \ |
|
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860 \ |
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861 return (any_element_less_than (matrix, L1) \ |
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862 ? octave_value (matrix.map (cmap)) \ |
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863 : (any_element_greater_than (matrix, L2) \ |
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864 ? octave_value (matrix.map (cmap)) \ |
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865 : octave_value (matrix.map (dmap)))); \ |
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866 } |
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867 |
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868 static double |
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869 xconj (double x) |
|
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870 { |
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871 return x; |
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872 } |
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873 |
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874 SPARSE_MAPPER (erf, SparseMatrix::dmapper, ::erf) |
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875 SPARSE_MAPPER (erfc, SparseMatrix::dmapper, ::erfc) |
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876 SPARSE_MAPPER (gamma, SparseMatrix::dmapper, xgamma) |
|
7601
8a939b217863
Treat negative values to lgamma and beta correctly
David Bateman <dbateman@free.fr>
parents:
7503
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changeset
|
877 CD_SPARSE_MAPPER (lgamma, xlgamma, xlgamma, 0.0, octave_Inf) |
|
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878 SPARSE_MAPPER (abs, SparseMatrix::dmapper, ::fabs) |
|
12050
3df527f71cee
use complex function for acos mapper if arg is out of range [-1, 1]
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
879 CD_SPARSE_MAPPER (acos, ::acos, ::acos, -1.0, 1.0) |
|
7503
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880 CD_SPARSE_MAPPER (acosh, ::acosh, ::acosh, 1.0, octave_Inf) |
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881 SPARSE_MAPPER (angle, SparseMatrix::dmapper, ::arg) |
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882 SPARSE_MAPPER (arg, SparseMatrix::dmapper, ::arg) |
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883 CD_SPARSE_MAPPER (asin, ::asin, ::asin, -1.0, 1.0) |
|
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884 SPARSE_MAPPER (asinh, SparseMatrix::dmapper, ::asinh) |
|
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885 SPARSE_MAPPER (atan, SparseMatrix::dmapper, ::atan) |
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886 CD_SPARSE_MAPPER (atanh, ::atanh, ::atanh, -1.0, 1.0) |
|
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887 SPARSE_MAPPER (ceil, SparseMatrix::dmapper, ::ceil) |
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888 SPARSE_MAPPER (conj, SparseMatrix::dmapper, xconj) |
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889 SPARSE_MAPPER (cos, SparseMatrix::dmapper, ::cos) |
|
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890 SPARSE_MAPPER (cosh, SparseMatrix::dmapper, ::cosh) |
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891 SPARSE_MAPPER (exp, SparseMatrix::dmapper, ::exp) |
|
7638
2df457529cfa
implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
7636
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892 SPARSE_MAPPER (expm1, SparseMatrix::dmapper, ::expm1) |
|
7503
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893 SPARSE_MAPPER (fix, SparseMatrix::dmapper, ::fix) |
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894 SPARSE_MAPPER (floor, SparseMatrix::dmapper, ::floor) |
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895 SPARSE_MAPPER (imag, SparseMatrix::dmapper, ::imag) |
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896 CD_SPARSE_MAPPER (log, ::log, std::log, 0.0, octave_Inf) |
| 7740 | 897 CD_SPARSE_MAPPER (log2, xlog2, xlog2, 0.0, octave_Inf) |
|
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898 CD_SPARSE_MAPPER (log10, ::log10, std::log10, 0.0, octave_Inf) |
|
7638
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implement expm1 and log1p functions
Jaroslav Hajek <highegg@gmail.com>
parents:
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changeset
|
899 CD_SPARSE_MAPPER (log1p, ::log1p, ::log1p, 0.0, octave_Inf) |
|
7503
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900 SPARSE_MAPPER (real, SparseMatrix::dmapper, ::real) |
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901 SPARSE_MAPPER (round, SparseMatrix::dmapper, xround) |
|
7636
99c410f7f0b0
implement mapper function for banker's rounding
Jaroslav Hajek <highegg@gmail.com>
parents:
7601
diff
changeset
|
902 SPARSE_MAPPER (roundb, SparseMatrix::dmapper, xroundb) |
|
7503
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903 SPARSE_MAPPER (signum, SparseMatrix::dmapper, ::signum) |
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parents:
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904 SPARSE_MAPPER (sin, SparseMatrix::dmapper, ::sin) |
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905 SPARSE_MAPPER (sinh, SparseMatrix::dmapper, ::sinh) |
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906 CD_SPARSE_MAPPER (sqrt, ::sqrt, std::sqrt, 0.0, octave_Inf) |
|
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907 SPARSE_MAPPER (tan, SparseMatrix::dmapper, ::tan) |
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908 SPARSE_MAPPER (tanh, SparseMatrix::dmapper, ::tanh) |
|
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909 SPARSE_MAPPER (finite, SparseMatrix::bmapper, xfinite) |
|
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changeset
|
910 SPARSE_MAPPER (isinf, SparseMatrix::bmapper, xisinf) |
|
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911 SPARSE_MAPPER (isna, SparseMatrix::bmapper, octave_is_NA) |
|
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|
912 SPARSE_MAPPER (isnan, SparseMatrix::bmapper, xisnan) |
|
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|
913 |
| 5164 | 914 /* |
| 915 ;;; Local Variables: *** | |
| 916 ;;; mode: C++ *** | |
| 917 ;;; End: *** | |
| 918 */ |