|
2376
|
1 /* |
|
|
2 |
|
2847
|
3 Copyright (C) 1996, 1997 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 |
|
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
|
10 later version. |
|
|
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 |
|
|
18 along with Octave; see the file COPYING. If not, write to the Free |
|
5307
|
19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
|
|
20 02110-1301, USA. |
|
2376
|
21 |
|
|
22 */ |
|
|
23 |
|
|
24 #ifdef HAVE_CONFIG_H |
|
|
25 #include <config.h> |
|
|
26 #endif |
|
|
27 |
|
4100
|
28 #include <climits> |
|
|
29 |
|
3503
|
30 #include <iostream> |
|
4726
|
31 #include <vector> |
|
2901
|
32 |
|
4944
|
33 #include "data-conv.h" |
|
2376
|
34 #include "lo-ieee.h" |
|
|
35 #include "lo-utils.h" |
|
4944
|
36 #include "mach-info.h" |
|
2376
|
37 #include "mx-base.h" |
|
4153
|
38 #include "quit.h" |
|
2376
|
39 |
|
4901
|
40 #include "defun.h" |
|
2376
|
41 #include "gripes.h" |
|
|
42 #include "oct-obj.h" |
|
2979
|
43 #include "oct-lvalue.h" |
|
4944
|
44 #include "oct-stream.h" |
|
2410
|
45 #include "ops.h" |
|
3219
|
46 #include "ov-base.h" |
|
|
47 #include "ov-base-mat.h" |
|
|
48 #include "ov-base-mat.cc" |
|
2410
|
49 #include "ov-scalar.h" |
|
2376
|
50 #include "ov-re-mat.h" |
|
4901
|
51 #include "ov-type-conv.h" |
|
2376
|
52 #include "pr-output.h" |
|
2948
|
53 #include "variables.h" |
|
2376
|
54 |
|
4687
|
55 #include "byte-swap.h" |
|
|
56 #include "ls-oct-ascii.h" |
|
|
57 #include "ls-utils.h" |
|
4805
|
58 #include "ls-hdf5.h" |
|
4687
|
59 |
|
4100
|
60 #if ! defined (UCHAR_MAX) |
|
|
61 #define UCHAR_MAX 255 |
|
|
62 #endif |
|
|
63 |
|
4513
|
64 template class octave_base_matrix<NDArray>; |
|
2376
|
65 |
|
3219
|
66 DEFINE_OCTAVE_ALLOCATOR (octave_matrix); |
|
2477
|
67 |
|
4612
|
68 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_matrix, "matrix", "double"); |
|
2376
|
69 |
|
2410
|
70 octave_value * |
|
|
71 octave_matrix::try_narrowing_conversion (void) |
|
|
72 { |
|
|
73 octave_value *retval = 0; |
|
|
74 |
|
4513
|
75 if (matrix.nelem () == 1) |
|
|
76 retval = new octave_scalar (matrix (0)); |
|
2410
|
77 |
|
|
78 return retval; |
|
|
79 } |
|
|
80 |
|
2376
|
81 bool |
|
|
82 octave_matrix::valid_as_scalar_index (void) const |
|
|
83 { |
|
|
84 // XXX FIXME XXX |
|
|
85 return false; |
|
|
86 } |
|
|
87 |
|
|
88 double |
|
|
89 octave_matrix::double_value (bool) const |
|
|
90 { |
|
4102
|
91 double retval = lo_ieee_nan_value (); |
|
2376
|
92 |
|
4645
|
93 if (numel () > 0) |
|
4455
|
94 { |
|
|
95 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
96 if (Vwarn_fortran_indexing) |
|
|
97 gripe_implicit_conversion ("real matrix", "real scalar"); |
|
|
98 |
|
|
99 retval = matrix (0, 0); |
|
|
100 } |
|
2376
|
101 else |
|
|
102 gripe_invalid_conversion ("real matrix", "real scalar"); |
|
|
103 |
|
|
104 return retval; |
|
|
105 } |
|
|
106 |
|
4513
|
107 // XXX FIXME XXX |
|
|
108 |
|
|
109 Matrix |
|
|
110 octave_matrix::matrix_value (bool) const |
|
|
111 { |
|
|
112 return matrix.matrix_value (); |
|
|
113 } |
|
|
114 |
|
2376
|
115 Complex |
|
|
116 octave_matrix::complex_value (bool) const |
|
|
117 { |
|
4102
|
118 double tmp = lo_ieee_nan_value (); |
|
|
119 |
|
|
120 Complex retval (tmp, tmp); |
|
2376
|
121 |
|
4455
|
122 // XXX FIXME XXX -- maybe this should be a function, valid_as_scalar() |
|
|
123 if (rows () > 0 && columns () > 0) |
|
|
124 { |
|
|
125 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
126 if (Vwarn_fortran_indexing) |
|
|
127 gripe_implicit_conversion ("real matrix", "complex scalar"); |
|
|
128 |
|
|
129 retval = matrix (0, 0); |
|
|
130 } |
|
2376
|
131 else |
|
|
132 gripe_invalid_conversion ("real matrix", "complex scalar"); |
|
|
133 |
|
|
134 return retval; |
|
|
135 } |
|
|
136 |
|
4513
|
137 // XXX FIXME XXX |
|
|
138 |
|
|
139 ComplexMatrix |
|
|
140 octave_matrix::complex_matrix_value (bool) const |
|
|
141 { |
|
|
142 return ComplexMatrix (matrix.matrix_value ()); |
|
|
143 } |
|
|
144 |
|
4699
|
145 ComplexNDArray |
|
|
146 octave_matrix::complex_array_value (bool) const |
|
|
147 { |
|
|
148 return ComplexNDArray (matrix); |
|
|
149 } |
|
|
150 |
|
4758
|
151 charNDArray |
|
|
152 octave_matrix::char_array_value (bool) const |
|
|
153 { |
|
|
154 charNDArray retval (dims ()); |
|
|
155 |
|
5275
|
156 octave_idx_type nel = numel (); |
|
4758
|
157 |
|
5275
|
158 for (octave_idx_type i = 0; i < nel; i++) |
|
4758
|
159 retval.elem (i) = static_cast<char>(matrix.elem (i)); |
|
|
160 |
|
|
161 return retval; |
|
|
162 } |
|
|
163 |
|
5164
|
164 SparseMatrix |
|
|
165 octave_matrix::sparse_matrix_value (bool) const |
|
|
166 { |
|
|
167 return SparseMatrix (matrix.matrix_value ()); |
|
|
168 } |
|
|
169 |
|
|
170 SparseComplexMatrix |
|
|
171 octave_matrix::sparse_complex_matrix_value (bool) const |
|
|
172 { |
|
|
173 // XXX FIXME XXX Need a SparseComplexMatrix (Matrix) constructor to make |
|
|
174 // this function more efficient. Then this should become |
|
|
175 // return SparseComplexMatrix (matrix.matrix_value ()); |
|
|
176 return SparseComplexMatrix (sparse_matrix_value ()); |
|
|
177 } |
|
|
178 |
|
4645
|
179 streamoff_array |
|
|
180 octave_matrix::streamoff_array_value (void) const |
|
|
181 { |
|
|
182 streamoff_array retval (dims ()); |
|
|
183 |
|
5275
|
184 octave_idx_type nel = numel (); |
|
4645
|
185 |
|
5275
|
186 for (octave_idx_type i = 0; i < nel; i++) |
|
4645
|
187 { |
|
|
188 double d = matrix(i); |
|
|
189 |
|
|
190 if (D_NINT (d) == d) |
|
|
191 retval(i) = std::streamoff (static_cast<long> (d)); |
|
|
192 else |
|
|
193 { |
|
|
194 error ("conversion to streamoff_array value failed"); |
|
|
195 break; |
|
|
196 } |
|
|
197 } |
|
|
198 |
|
|
199 return retval; |
|
|
200 } |
|
|
201 |
|
2376
|
202 octave_value |
|
5279
|
203 octave_matrix::convert_to_str_internal (bool, bool, char type) const |
|
2376
|
204 { |
|
|
205 octave_value retval; |
|
4844
|
206 dim_vector dv = dims (); |
|
|
207 int nel = dv.numel (); |
|
2376
|
208 |
|
4844
|
209 if (nel == 0) |
|
2376
|
210 { |
|
|
211 char s = '\0'; |
|
5279
|
212 retval = octave_value (&s, type); |
|
2376
|
213 } |
|
|
214 else |
|
|
215 { |
|
4844
|
216 charNDArray chm (dv); |
|
4100
|
217 |
|
4844
|
218 bool warned = false; |
|
|
219 |
|
5275
|
220 for (octave_idx_type i = 0; i < nel; i++) |
|
4844
|
221 { |
|
|
222 OCTAVE_QUIT; |
|
|
223 |
|
|
224 double d = matrix (i); |
|
2376
|
225 |
|
4844
|
226 if (xisnan (d)) |
|
2376
|
227 { |
|
4844
|
228 ::error ("invalid conversion from NaN to character"); |
|
|
229 return retval; |
|
|
230 } |
|
|
231 else |
|
|
232 { |
|
|
233 int ival = NINT (d); |
|
|
234 |
|
|
235 if (ival < 0 || ival > UCHAR_MAX) |
|
2376
|
236 { |
|
4844
|
237 // XXX FIXME XXX -- is there something |
|
|
238 // better we could do? |
|
4153
|
239 |
|
4844
|
240 ival = 0; |
|
2376
|
241 |
|
4844
|
242 if (! warned) |
|
2376
|
243 { |
|
4844
|
244 ::warning ("range error for conversion to character value"); |
|
|
245 warned = true; |
|
2376
|
246 } |
|
|
247 } |
|
|
248 |
|
4844
|
249 chm (i) = static_cast<char> (ival); |
|
|
250 } |
|
2376
|
251 } |
|
4844
|
252 |
|
5279
|
253 retval = octave_value (chm, true, type); |
|
2376
|
254 } |
|
|
255 |
|
|
256 return retval; |
|
|
257 } |
|
|
258 |
|
4687
|
259 static Matrix |
|
|
260 strip_infnan (const Matrix& m) |
|
|
261 { |
|
5275
|
262 octave_idx_type nr = m.rows (); |
|
|
263 octave_idx_type nc = m.columns (); |
|
4687
|
264 |
|
|
265 Matrix retval (nr, nc); |
|
|
266 |
|
5275
|
267 octave_idx_type k = 0; |
|
|
268 for (octave_idx_type i = 0; i < nr; i++) |
|
4687
|
269 { |
|
5275
|
270 for (octave_idx_type j = 0; j < nc; j++) |
|
4687
|
271 { |
|
|
272 double d = m (i, j); |
|
|
273 if (xisnan (d)) |
|
|
274 goto next_row; |
|
|
275 else |
|
|
276 retval (k, j) = xisinf (d) ? (d > 0 ? OCT_RBV : -OCT_RBV) : d; |
|
|
277 } |
|
|
278 k++; |
|
|
279 |
|
|
280 next_row: |
|
|
281 continue; |
|
|
282 } |
|
|
283 |
|
|
284 if (k > 0) |
|
|
285 retval.resize (k, nc); |
|
|
286 |
|
|
287 return retval; |
|
|
288 } |
|
|
289 |
|
|
290 bool |
|
|
291 octave_matrix::save_ascii (std::ostream& os, bool& infnan_warned, |
|
|
292 bool strip_nan_and_inf) |
|
|
293 { |
|
|
294 dim_vector d = dims (); |
|
|
295 if (d.length () > 2) |
|
|
296 { |
|
|
297 NDArray tmp = array_value (); |
|
|
298 |
|
|
299 if (strip_nan_and_inf) |
|
|
300 { |
|
|
301 warning ("save: Can not strip Inf or NaN values"); |
|
|
302 warning ("save: Inf or NaN values may not be reloadable"); |
|
|
303 infnan_warned = true; |
|
|
304 } |
|
|
305 else if (! infnan_warned && tmp.any_element_is_inf_or_nan ()) |
|
|
306 { |
|
|
307 warning ("save: Inf or NaN values may not be reloadable"); |
|
|
308 infnan_warned = true; |
|
|
309 } |
|
|
310 |
|
|
311 os << "# ndims: " << d.length () << "\n"; |
|
|
312 |
|
|
313 for (int i=0; i < d.length (); i++) |
|
|
314 os << " " << d (i); |
|
|
315 |
|
|
316 os << "\n" << tmp; |
|
|
317 } |
|
|
318 else |
|
|
319 { |
|
|
320 // Keep this case, rather than use generic code above for backward |
|
|
321 // compatiability. Makes load_ascii much more complex!! |
|
|
322 os << "# rows: " << rows () << "\n" |
|
|
323 << "# columns: " << columns () << "\n"; |
|
|
324 |
|
|
325 Matrix tmp = matrix_value (); |
|
|
326 |
|
|
327 if (strip_nan_and_inf) |
|
|
328 tmp = strip_infnan (tmp); |
|
|
329 else if (! infnan_warned && tmp.any_element_is_inf_or_nan ()) |
|
|
330 { |
|
|
331 warning ("save: Inf or NaN values may not be reloadable"); |
|
|
332 infnan_warned = true; |
|
|
333 } |
|
|
334 |
|
|
335 os << tmp; |
|
|
336 } |
|
|
337 |
|
|
338 return true; |
|
|
339 } |
|
|
340 |
|
|
341 bool |
|
|
342 octave_matrix::load_ascii (std::istream& is) |
|
|
343 { |
|
|
344 bool success = true; |
|
5099
|
345 |
|
|
346 string_vector keywords(2); |
|
|
347 |
|
|
348 keywords[0] = "ndims"; |
|
|
349 keywords[1] = "rows"; |
|
4687
|
350 |
|
5099
|
351 std::string kw; |
|
5275
|
352 octave_idx_type val = 0; |
|
5099
|
353 |
|
|
354 if (extract_keyword (is, keywords, kw, val, true)) |
|
4687
|
355 { |
|
5099
|
356 if (kw == "ndims") |
|
4687
|
357 { |
|
5275
|
358 int mdims = static_cast<int> (val); |
|
4687
|
359 |
|
5099
|
360 if (mdims >= 0) |
|
4687
|
361 { |
|
5099
|
362 dim_vector dv; |
|
|
363 dv.resize (mdims); |
|
4687
|
364 |
|
5099
|
365 for (int i = 0; i < mdims; i++) |
|
|
366 is >> dv(i); |
|
4687
|
367 |
|
5099
|
368 NDArray tmp(dv); |
|
4687
|
369 is >> tmp; |
|
5099
|
370 |
|
|
371 if (!is) |
|
4687
|
372 { |
|
|
373 error ("load: failed to load matrix constant"); |
|
|
374 success = false; |
|
|
375 } |
|
5099
|
376 matrix = tmp; |
|
4687
|
377 } |
|
|
378 else |
|
5099
|
379 { |
|
|
380 error ("load: failed to extract number of rows and columns"); |
|
|
381 success = false; |
|
|
382 } |
|
4687
|
383 } |
|
5099
|
384 else if (kw == "rows") |
|
4687
|
385 { |
|
5275
|
386 octave_idx_type nr = val; |
|
|
387 octave_idx_type nc = 0; |
|
5099
|
388 |
|
|
389 if (nr >= 0 && extract_keyword (is, "columns", nc) && nc >= 0) |
|
|
390 { |
|
|
391 if (nr > 0 && nc > 0) |
|
|
392 { |
|
|
393 Matrix tmp (nr, nc); |
|
|
394 is >> tmp; |
|
|
395 if (is) |
|
|
396 matrix = tmp; |
|
|
397 else |
|
|
398 { |
|
|
399 error ("load: failed to load matrix constant"); |
|
|
400 success = false; |
|
|
401 } |
|
|
402 } |
|
|
403 else if (nr == 0 || nc == 0) |
|
|
404 matrix = Matrix (nr, nc); |
|
|
405 else |
|
|
406 panic_impossible (); |
|
|
407 } |
|
|
408 else |
|
|
409 { |
|
|
410 error ("load: failed to extract number of rows and columns"); |
|
|
411 success = false; |
|
|
412 } |
|
4687
|
413 } |
|
5099
|
414 else |
|
|
415 panic_impossible (); |
|
|
416 } |
|
|
417 else |
|
|
418 { |
|
|
419 error ("load: failed to extract number of rows and columns"); |
|
|
420 success = false; |
|
4687
|
421 } |
|
|
422 |
|
|
423 return success; |
|
|
424 } |
|
|
425 |
|
|
426 bool |
|
|
427 octave_matrix::save_binary (std::ostream& os, bool& save_as_floats) |
|
|
428 { |
|
|
429 |
|
|
430 dim_vector d = dims (); |
|
|
431 if (d.length() < 1) |
|
|
432 return false; |
|
|
433 |
|
|
434 // Use negative value for ndims to differentiate with old format!! |
|
|
435 FOUR_BYTE_INT tmp = - d.length(); |
|
|
436 os.write (X_CAST (char *, &tmp), 4); |
|
5275
|
437 for (int i = 0; i < d.length (); i++) |
|
4687
|
438 { |
|
|
439 tmp = d(i); |
|
|
440 os.write (X_CAST (char *, &tmp), 4); |
|
|
441 } |
|
|
442 |
|
|
443 NDArray m = array_value (); |
|
|
444 save_type st = LS_DOUBLE; |
|
|
445 if (save_as_floats) |
|
|
446 { |
|
|
447 if (m.too_large_for_float ()) |
|
|
448 { |
|
|
449 warning ("save: some values too large to save as floats --"); |
|
|
450 warning ("save: saving as doubles instead"); |
|
|
451 } |
|
|
452 else |
|
|
453 st = LS_FLOAT; |
|
|
454 } |
|
|
455 else if (d.numel () > 8192) // XXX FIXME XXX -- make this configurable. |
|
|
456 { |
|
|
457 double max_val, min_val; |
|
|
458 if (m.all_integers (max_val, min_val)) |
|
|
459 st = get_save_type (max_val, min_val); |
|
|
460 } |
|
|
461 |
|
|
462 const double *mtmp = m.data (); |
|
|
463 write_doubles (os, mtmp, st, d.numel ()); |
|
|
464 |
|
|
465 return true; |
|
|
466 } |
|
|
467 |
|
|
468 bool |
|
|
469 octave_matrix::load_binary (std::istream& is, bool swap, |
|
|
470 oct_mach_info::float_format fmt) |
|
|
471 { |
|
|
472 char tmp; |
|
|
473 FOUR_BYTE_INT mdims; |
|
|
474 if (! is.read (X_CAST (char *, &mdims), 4)) |
|
|
475 return false; |
|
|
476 if (swap) |
|
4944
|
477 swap_bytes<4> (&mdims); |
|
4687
|
478 if (mdims < 0) |
|
|
479 { |
|
|
480 mdims = - mdims; |
|
|
481 FOUR_BYTE_INT di; |
|
|
482 dim_vector dv; |
|
|
483 dv.resize (mdims); |
|
|
484 |
|
|
485 for (int i = 0; i < mdims; i++) |
|
|
486 { |
|
|
487 if (! is.read (X_CAST (char *, &di), 4)) |
|
|
488 return false; |
|
|
489 if (swap) |
|
4944
|
490 swap_bytes<4> (&di); |
|
4687
|
491 dv(i) = di; |
|
|
492 } |
|
|
493 |
|
5157
|
494 // Convert an array with a single dimension to be a row vector. |
|
|
495 // Octave should never write files like this, other software |
|
|
496 // might. |
|
|
497 |
|
|
498 if (mdims == 1) |
|
|
499 { |
|
|
500 mdims = 2; |
|
|
501 dv.resize (mdims); |
|
|
502 dv(1) = dv(0); |
|
|
503 dv(0) = 1; |
|
|
504 } |
|
|
505 |
|
4687
|
506 if (! is.read (X_CAST (char *, &tmp), 1)) |
|
|
507 return false; |
|
|
508 |
|
|
509 NDArray m(dv); |
|
|
510 double *re = m.fortran_vec (); |
|
|
511 read_doubles (is, re, X_CAST (save_type, tmp), dv.numel (), swap, fmt); |
|
|
512 if (error_state || ! is) |
|
|
513 return false; |
|
|
514 matrix = m; |
|
|
515 } |
|
|
516 else |
|
|
517 { |
|
|
518 FOUR_BYTE_INT nr, nc; |
|
|
519 nr = mdims; |
|
|
520 if (! is.read (X_CAST (char *, &nc), 4)) |
|
|
521 return false; |
|
|
522 if (swap) |
|
4944
|
523 swap_bytes<4> (&nc); |
|
4687
|
524 if (! is.read (X_CAST (char *, &tmp), 1)) |
|
|
525 return false; |
|
|
526 Matrix m (nr, nc); |
|
|
527 double *re = m.fortran_vec (); |
|
5275
|
528 octave_idx_type len = nr * nc; |
|
4687
|
529 read_doubles (is, re, X_CAST (save_type, tmp), len, swap, fmt); |
|
|
530 if (error_state || ! is) |
|
|
531 return false; |
|
|
532 matrix = m; |
|
|
533 } |
|
|
534 return true; |
|
|
535 } |
|
|
536 |
|
|
537 #if defined (HAVE_HDF5) |
|
4944
|
538 |
|
4687
|
539 bool |
|
|
540 octave_matrix::save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats) |
|
|
541 { |
|
4837
|
542 dim_vector dv = dims (); |
|
|
543 int empty = save_hdf5_empty (loc_id, name, dv); |
|
|
544 if (empty) |
|
4805
|
545 return (empty > 0); |
|
|
546 |
|
4837
|
547 int rank = dv.length (); |
|
4687
|
548 hid_t space_hid = -1, data_hid = -1; |
|
|
549 bool retval = true; |
|
|
550 NDArray m = array_value (); |
|
|
551 |
|
4805
|
552 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
553 |
|
4687
|
554 // Octave uses column-major, while HDF5 uses row-major ordering |
|
4805
|
555 for (int i = 0; i < rank; i++) |
|
4837
|
556 hdims[i] = dv (rank-i-1); |
|
4805
|
557 |
|
4815
|
558 space_hid = H5Screate_simple (rank, hdims, 0); |
|
4687
|
559 |
|
|
560 if (space_hid < 0) return false; |
|
|
561 |
|
|
562 hid_t save_type_hid = H5T_NATIVE_DOUBLE; |
|
|
563 |
|
|
564 if (save_as_floats) |
|
|
565 { |
|
|
566 if (m.too_large_for_float ()) |
|
|
567 { |
|
|
568 warning ("save: some values too large to save as floats --"); |
|
|
569 warning ("save: saving as doubles instead"); |
|
|
570 } |
|
|
571 else |
|
|
572 save_type_hid = H5T_NATIVE_FLOAT; |
|
|
573 } |
|
|
574 #if HAVE_HDF5_INT2FLOAT_CONVERSIONS |
|
|
575 // hdf5 currently doesn't support float/integer conversions |
|
|
576 else |
|
|
577 { |
|
|
578 double max_val, min_val; |
|
|
579 |
|
|
580 if (m.all_integers (max_val, min_val)) |
|
|
581 save_type_hid |
|
|
582 = save_type_to_hdf5 (get_save_type (max_val, min_val)); |
|
|
583 } |
|
|
584 #endif /* HAVE_HDF5_INT2FLOAT_CONVERSIONS */ |
|
|
585 |
|
|
586 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
|
|
587 H5P_DEFAULT); |
|
|
588 if (data_hid < 0) |
|
|
589 { |
|
|
590 H5Sclose (space_hid); |
|
|
591 return false; |
|
|
592 } |
|
|
593 |
|
|
594 double *mtmp = m.fortran_vec (); |
|
|
595 retval = H5Dwrite (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, |
|
4815
|
596 H5P_DEFAULT, mtmp) >= 0; |
|
4687
|
597 |
|
|
598 H5Dclose (data_hid); |
|
|
599 H5Sclose (space_hid); |
|
4837
|
600 |
|
4687
|
601 return retval; |
|
|
602 } |
|
|
603 |
|
|
604 bool |
|
|
605 octave_matrix::load_hdf5 (hid_t loc_id, const char *name, |
|
|
606 bool /* have_h5giterate_bug */) |
|
|
607 { |
|
4837
|
608 bool retval = false; |
|
|
609 |
|
4805
|
610 dim_vector dv; |
|
|
611 int empty = load_hdf5_empty (loc_id, name, dv); |
|
|
612 if (empty > 0) |
|
|
613 matrix.resize(dv); |
|
4837
|
614 if (empty) |
|
4805
|
615 return (empty > 0); |
|
|
616 |
|
4687
|
617 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
618 hid_t space_id = H5Dget_space (data_hid); |
|
|
619 |
|
|
620 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
|
|
621 |
|
|
622 if (rank < 1) |
|
|
623 { |
|
|
624 H5Sclose (space_id); |
|
|
625 H5Dclose (data_hid); |
|
|
626 return false; |
|
|
627 } |
|
|
628 |
|
|
629 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
630 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
|
631 |
|
|
632 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
|
|
633 |
|
|
634 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
635 if (rank == 1) |
|
|
636 { |
|
|
637 dv.resize (2); |
|
|
638 dv(0) = 1; |
|
|
639 dv(1) = hdims[0]; |
|
|
640 } |
|
|
641 else |
|
|
642 { |
|
|
643 dv.resize (rank); |
|
4815
|
644 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
|
4687
|
645 dv(j) = hdims[i]; |
|
|
646 } |
|
|
647 |
|
|
648 NDArray m (dv); |
|
|
649 double *re = m.fortran_vec (); |
|
|
650 if (H5Dread (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, |
|
4815
|
651 H5P_DEFAULT, re) >= 0) |
|
4687
|
652 { |
|
|
653 retval = true; |
|
|
654 matrix = m; |
|
|
655 } |
|
|
656 |
|
|
657 H5Sclose (space_id); |
|
|
658 H5Dclose (data_hid); |
|
4837
|
659 |
|
4687
|
660 return retval; |
|
|
661 } |
|
4944
|
662 |
|
4687
|
663 #endif |
|
|
664 |
|
4643
|
665 void |
|
|
666 octave_matrix::print_raw (std::ostream& os, |
|
|
667 bool pr_as_read_syntax) const |
|
|
668 { |
|
|
669 octave_print_internal (os, matrix, pr_as_read_syntax, |
|
|
670 current_print_indent_level ()); |
|
|
671 } |
|
|
672 |
|
4901
|
673 DEFUN (double, args, , |
|
|
674 "-*- texinfo -*-\n\ |
|
|
675 @deftypefn {Built-in Function} {} double (@var{x})\n\ |
|
|
676 Convert @var{x} to double precision type.\n\ |
|
|
677 @end deftypefn") |
|
|
678 { |
|
|
679 OCTAVE_TYPE_CONV_BODY3 (double, octave_matrix, octave_scalar); |
|
|
680 } |
|
|
681 |
|
2376
|
682 /* |
|
|
683 ;;; Local Variables: *** |
|
|
684 ;;; mode: C++ *** |
|
|
685 ;;; End: *** |
|
|
686 */ |
