|
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 |
|
|
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|
|
20 |
|
|
21 */ |
|
|
22 |
|
|
23 #if defined (__GNUG__) |
|
|
24 #pragma implementation |
|
|
25 #endif |
|
|
26 |
|
|
27 #ifdef HAVE_CONFIG_H |
|
|
28 #include <config.h> |
|
|
29 #endif |
|
|
30 |
|
|
31 #include "Array-flags.h" |
|
2942
|
32 #include "str-vec.h" |
|
2376
|
33 |
|
2974
|
34 #include "oct-obj.h" |
|
2979
|
35 #include "oct-lvalue.h" |
|
2376
|
36 #include "ov.h" |
|
|
37 #include "ov-base.h" |
|
2825
|
38 #include "ov-bool.h" |
|
|
39 #include "ov-bool-mat.h" |
|
3351
|
40 #include "ov-cell.h" |
|
2376
|
41 #include "ov-scalar.h" |
|
|
42 #include "ov-re-mat.h" |
|
|
43 #include "ov-complex.h" |
|
|
44 #include "ov-cx-mat.h" |
|
|
45 #include "ov-ch-mat.h" |
|
|
46 #include "ov-str-mat.h" |
|
|
47 #include "ov-range.h" |
|
|
48 #include "ov-struct.h" |
|
2903
|
49 #include "ov-file.h" |
|
2880
|
50 #include "ov-list.h" |
|
2376
|
51 #include "ov-colon.h" |
|
|
52 #include "ov-va-args.h" |
|
2974
|
53 #include "ov-builtin.h" |
|
|
54 #include "ov-mapper.h" |
|
|
55 #include "ov-usr-fcn.h" |
|
2376
|
56 #include "ov-typeinfo.h" |
|
|
57 |
|
|
58 #include "defun.h" |
|
2880
|
59 #include "error.h" |
|
2376
|
60 #include "gripes.h" |
|
|
61 #include "pager.h" |
|
|
62 #include "pr-output.h" |
|
|
63 #include "utils.h" |
|
|
64 #include "variables.h" |
|
|
65 |
|
2477
|
66 // We are likely to have a lot of octave_value objects to allocate, so |
|
|
67 // make the grow_size large. |
|
3219
|
68 DEFINE_OCTAVE_ALLOCATOR2(octave_value, 1024); |
|
2477
|
69 |
|
2376
|
70 // If TRUE, allow assignments like |
|
|
71 // |
|
|
72 // octave> A(1) = 3; A(2) = 5 |
|
|
73 // |
|
|
74 // for A already defined and a matrix type. |
|
|
75 bool Vdo_fortran_indexing; |
|
|
76 |
|
|
77 // Should we allow things like: |
|
|
78 // |
|
|
79 // octave> 'abc' + 0 |
|
|
80 // 97 98 99 |
|
|
81 // |
|
|
82 // to happen? A positive value means yes. A negative value means |
|
|
83 // yes, but print a warning message. Zero means it should be |
|
|
84 // considered an error. |
|
|
85 int Vimplicit_str_to_num_ok; |
|
|
86 |
|
|
87 // Should we allow silent conversion of complex to real when a real |
|
|
88 // type is what we're really looking for? A positive value means yes. |
|
|
89 // A negative value means yes, but print a warning message. Zero |
|
|
90 // means it should be considered an error. |
|
|
91 int Vok_to_lose_imaginary_part; |
|
|
92 |
|
|
93 // If TRUE, create column vectors when doing assignments like: |
|
|
94 // |
|
|
95 // octave> A(1) = 3; A(2) = 5 |
|
|
96 // |
|
|
97 // (for A undefined). Only matters when resize_on_range_error is also |
|
|
98 // TRUE. |
|
3418
|
99 static bool Vprefer_column_vectors; |
|
2376
|
100 |
|
|
101 // If TRUE, print the name along with the value. |
|
|
102 bool Vprint_answer_id_name; |
|
|
103 |
|
|
104 // Should operations on empty matrices return empty matrices or an |
|
|
105 // error? A positive value means yes. A negative value means yes, |
|
|
106 // but print a warning message. Zero means it should be considered an |
|
|
107 // error. |
|
|
108 int Vpropagate_empty_matrices; |
|
|
109 |
|
|
110 // How many levels of structure elements should we print? |
|
|
111 int Vstruct_levels_to_print; |
|
|
112 |
|
|
113 // Allow divide by zero errors to be suppressed. |
|
|
114 bool Vwarn_divide_by_zero; |
|
|
115 |
|
2948
|
116 // If TRUE, resize matrices when performing and indexed assignment and |
|
|
117 // the indices are outside the current bounds. |
|
3196
|
118 bool Vresize_on_range_error; |
|
2948
|
119 |
|
2880
|
120 // XXX FIXME XXX |
|
|
121 |
|
2376
|
122 // Octave's value type. |
|
|
123 |
|
|
124 string |
|
3203
|
125 octave_value::unary_op_as_string (unary_op op) |
|
|
126 { |
|
3523
|
127 std::string retval; |
|
3203
|
128 |
|
|
129 switch (op) |
|
|
130 { |
|
|
131 case not: |
|
|
132 retval = "!"; |
|
|
133 break; |
|
|
134 |
|
|
135 case uminus: |
|
|
136 retval = "-"; |
|
|
137 break; |
|
|
138 |
|
|
139 case transpose: |
|
|
140 retval = ".'"; |
|
|
141 break; |
|
|
142 |
|
|
143 case hermitian: |
|
|
144 retval = "'"; |
|
|
145 break; |
|
|
146 |
|
|
147 case incr: |
|
|
148 retval = "++"; |
|
|
149 break; |
|
|
150 |
|
|
151 case decr: |
|
|
152 retval = "--"; |
|
|
153 break; |
|
|
154 |
|
|
155 default: |
|
|
156 retval = "<unknown>"; |
|
|
157 } |
|
|
158 |
|
|
159 return retval; |
|
|
160 } |
|
|
161 |
|
|
162 string |
|
2376
|
163 octave_value::binary_op_as_string (binary_op op) |
|
|
164 { |
|
3523
|
165 std::string retval; |
|
2376
|
166 |
|
|
167 switch (op) |
|
|
168 { |
|
|
169 case add: |
|
|
170 retval = "+"; |
|
|
171 break; |
|
|
172 |
|
|
173 case sub: |
|
|
174 retval = "-"; |
|
|
175 break; |
|
|
176 |
|
|
177 case mul: |
|
|
178 retval = "*"; |
|
|
179 break; |
|
|
180 |
|
|
181 case div: |
|
|
182 retval = "/"; |
|
|
183 break; |
|
|
184 |
|
|
185 case pow: |
|
|
186 retval = "^"; |
|
|
187 break; |
|
|
188 |
|
|
189 case ldiv: |
|
|
190 retval = "\\"; |
|
|
191 break; |
|
|
192 |
|
2903
|
193 case lshift: |
|
|
194 retval = "<<"; |
|
|
195 break; |
|
|
196 |
|
|
197 case rshift: |
|
|
198 retval = ">>"; |
|
|
199 break; |
|
|
200 |
|
2376
|
201 case lt: |
|
|
202 retval = "<"; |
|
|
203 break; |
|
|
204 |
|
|
205 case le: |
|
|
206 retval = "<="; |
|
|
207 break; |
|
|
208 |
|
|
209 case eq: |
|
|
210 retval = "=="; |
|
|
211 break; |
|
|
212 |
|
|
213 case ge: |
|
|
214 retval = ">="; |
|
|
215 break; |
|
|
216 |
|
|
217 case gt: |
|
|
218 retval = ">"; |
|
|
219 break; |
|
|
220 |
|
|
221 case ne: |
|
|
222 retval = "!="; |
|
|
223 break; |
|
|
224 |
|
|
225 case el_mul: |
|
|
226 retval = ".*"; |
|
|
227 break; |
|
|
228 |
|
|
229 case el_div: |
|
|
230 retval = "./"; |
|
|
231 break; |
|
|
232 |
|
|
233 case el_pow: |
|
|
234 retval = ".^"; |
|
|
235 break; |
|
|
236 |
|
|
237 case el_ldiv: |
|
|
238 retval = ".\\"; |
|
|
239 break; |
|
|
240 |
|
|
241 case el_and: |
|
|
242 retval = "&"; |
|
|
243 break; |
|
|
244 |
|
|
245 case el_or: |
|
|
246 retval = "|"; |
|
|
247 break; |
|
|
248 |
|
|
249 case struct_ref: |
|
|
250 retval = "."; |
|
|
251 break; |
|
|
252 |
|
|
253 default: |
|
|
254 retval = "<unknown>"; |
|
|
255 } |
|
|
256 |
|
|
257 return retval; |
|
|
258 } |
|
|
259 |
|
2880
|
260 string |
|
|
261 octave_value::assign_op_as_string (assign_op op) |
|
|
262 { |
|
3523
|
263 std::string retval; |
|
2880
|
264 |
|
|
265 switch (op) |
|
|
266 { |
|
|
267 case asn_eq: |
|
|
268 retval = "="; |
|
|
269 break; |
|
|
270 |
|
|
271 case add_eq: |
|
|
272 retval = "+="; |
|
|
273 break; |
|
|
274 |
|
|
275 case sub_eq: |
|
|
276 retval = "-="; |
|
|
277 break; |
|
|
278 |
|
|
279 case mul_eq: |
|
|
280 retval = "*="; |
|
|
281 break; |
|
|
282 |
|
|
283 case div_eq: |
|
|
284 retval = "/="; |
|
|
285 break; |
|
|
286 |
|
3204
|
287 case ldiv_eq: |
|
|
288 retval = "\\="; |
|
|
289 break; |
|
|
290 |
|
2903
|
291 case lshift_eq: |
|
|
292 retval = "<<="; |
|
|
293 break; |
|
|
294 |
|
|
295 case rshift_eq: |
|
|
296 retval = ">>="; |
|
|
297 break; |
|
|
298 |
|
2880
|
299 case el_mul_eq: |
|
|
300 retval = ".*="; |
|
|
301 break; |
|
|
302 |
|
|
303 case el_div_eq: |
|
|
304 retval = "./="; |
|
|
305 break; |
|
|
306 |
|
3204
|
307 case el_ldiv_eq: |
|
|
308 retval = ".\\="; |
|
|
309 break; |
|
|
310 |
|
2880
|
311 case el_and_eq: |
|
|
312 retval = "&="; |
|
|
313 break; |
|
|
314 |
|
|
315 case el_or_eq: |
|
|
316 retval = "|="; |
|
|
317 break; |
|
|
318 |
|
|
319 default: |
|
|
320 retval = "<unknown>"; |
|
|
321 } |
|
|
322 |
|
|
323 return retval; |
|
|
324 } |
|
|
325 |
|
2376
|
326 octave_value::octave_value (void) |
|
2825
|
327 : rep (new octave_base_value ()) |
|
|
328 { |
|
|
329 rep->count = 1; |
|
|
330 } |
|
2376
|
331 |
|
|
332 octave_value::octave_value (double d) |
|
2825
|
333 : rep (new octave_scalar (d)) |
|
|
334 { |
|
|
335 rep->count = 1; |
|
|
336 } |
|
2376
|
337 |
|
3351
|
338 octave_value::octave_value (const Cell& c) |
|
|
339 : rep (new octave_cell (c)) |
|
|
340 { |
|
|
341 rep->count = 1; |
|
|
342 maybe_mutate (); |
|
|
343 } |
|
|
344 |
|
2376
|
345 octave_value::octave_value (const Matrix& m) |
|
2423
|
346 : rep (new octave_matrix (m)) |
|
|
347 { |
|
|
348 rep->count = 1; |
|
|
349 maybe_mutate (); |
|
|
350 } |
|
2376
|
351 |
|
|
352 octave_value::octave_value (const DiagMatrix& d) |
|
2423
|
353 : rep (new octave_matrix (d)) |
|
|
354 { |
|
|
355 rep->count = 1; |
|
|
356 maybe_mutate (); |
|
|
357 } |
|
2376
|
358 |
|
3418
|
359 octave_value::octave_value (const RowVector& v) |
|
|
360 : rep (new octave_matrix (v)) |
|
2423
|
361 { |
|
|
362 rep->count = 1; |
|
|
363 maybe_mutate (); |
|
|
364 } |
|
2376
|
365 |
|
3418
|
366 octave_value::octave_value (const ColumnVector& v) |
|
|
367 : rep (new octave_matrix (v)) |
|
2423
|
368 { |
|
|
369 rep->count = 1; |
|
|
370 maybe_mutate (); |
|
|
371 } |
|
2376
|
372 |
|
|
373 octave_value::octave_value (const Complex& C) |
|
2423
|
374 : rep (new octave_complex (C)) |
|
|
375 { |
|
|
376 rep->count = 1; |
|
|
377 maybe_mutate (); |
|
|
378 } |
|
2376
|
379 |
|
|
380 octave_value::octave_value (const ComplexMatrix& m) |
|
2423
|
381 : rep (new octave_complex_matrix (m)) |
|
|
382 { |
|
|
383 rep->count = 1; |
|
|
384 maybe_mutate (); |
|
|
385 } |
|
2376
|
386 |
|
|
387 octave_value::octave_value (const ComplexDiagMatrix& d) |
|
2423
|
388 : rep (new octave_complex_matrix (d)) |
|
|
389 { |
|
|
390 rep->count = 1; |
|
|
391 maybe_mutate (); |
|
|
392 } |
|
2376
|
393 |
|
3418
|
394 octave_value::octave_value (const ComplexRowVector& v) |
|
|
395 : rep (new octave_complex_matrix (v)) |
|
2423
|
396 { |
|
|
397 rep->count = 1; |
|
|
398 maybe_mutate (); |
|
|
399 } |
|
2376
|
400 |
|
3418
|
401 octave_value::octave_value (const ComplexColumnVector& v) |
|
|
402 : rep (new octave_complex_matrix (v)) |
|
2423
|
403 { |
|
|
404 rep->count = 1; |
|
|
405 maybe_mutate (); |
|
|
406 } |
|
2376
|
407 |
|
2825
|
408 octave_value::octave_value (bool b) |
|
|
409 : rep (new octave_bool (b)) |
|
|
410 { |
|
|
411 rep->count = 1; |
|
|
412 } |
|
|
413 |
|
|
414 octave_value::octave_value (const boolMatrix& bm) |
|
|
415 : rep (new octave_bool_matrix (bm)) |
|
|
416 { |
|
|
417 rep->count = 1; |
|
|
418 maybe_mutate (); |
|
|
419 } |
|
|
420 |
|
3189
|
421 octave_value::octave_value (char c) |
|
|
422 : rep (new octave_char_matrix_str (c)) |
|
|
423 { |
|
|
424 rep->count = 1; |
|
|
425 maybe_mutate (); |
|
|
426 } |
|
|
427 |
|
2376
|
428 octave_value::octave_value (const char *s) |
|
2423
|
429 : rep (new octave_char_matrix_str (s)) |
|
|
430 { |
|
|
431 rep->count = 1; |
|
|
432 maybe_mutate (); |
|
|
433 } |
|
2376
|
434 |
|
3523
|
435 octave_value::octave_value (const std::string& s) |
|
2423
|
436 : rep (new octave_char_matrix_str (s)) |
|
|
437 { |
|
|
438 rep->count = 1; |
|
|
439 maybe_mutate (); |
|
|
440 } |
|
2376
|
441 |
|
|
442 octave_value::octave_value (const string_vector& s) |
|
2423
|
443 : rep (new octave_char_matrix_str (s)) |
|
|
444 { |
|
|
445 rep->count = 1; |
|
|
446 maybe_mutate (); |
|
|
447 } |
|
2376
|
448 |
|
|
449 octave_value::octave_value (const charMatrix& chm, bool is_string) |
|
2409
|
450 : rep (0) |
|
|
451 { |
|
|
452 if (is_string) |
|
|
453 rep = new octave_char_matrix_str (chm); |
|
|
454 else |
|
|
455 rep = new octave_char_matrix (chm); |
|
2376
|
456 |
|
2409
|
457 rep->count = 1; |
|
2423
|
458 maybe_mutate (); |
|
2409
|
459 } |
|
2376
|
460 |
|
|
461 octave_value::octave_value (double base, double limit, double inc) |
|
2423
|
462 : rep (new octave_range (base, limit, inc)) |
|
|
463 { |
|
|
464 rep->count = 1; |
|
|
465 maybe_mutate (); |
|
|
466 } |
|
2376
|
467 |
|
|
468 octave_value::octave_value (const Range& r) |
|
2423
|
469 : rep (new octave_range (r)) |
|
|
470 { |
|
|
471 rep->count = 1; |
|
|
472 maybe_mutate (); |
|
|
473 } |
|
2376
|
474 |
|
|
475 octave_value::octave_value (const Octave_map& m) |
|
2825
|
476 : rep (new octave_struct (m)) |
|
|
477 { |
|
|
478 rep->count = 1; |
|
2880
|
479 } |
|
|
480 |
|
3340
|
481 octave_value::octave_value (const octave_stream& s, int n) |
|
2903
|
482 : rep (new octave_file (s, n)) |
|
|
483 { |
|
|
484 rep->count = 1; |
|
|
485 } |
|
|
486 |
|
2974
|
487 octave_value::octave_value (octave_function *f) |
|
|
488 : rep (f) |
|
|
489 { |
|
|
490 rep->count = 1; |
|
|
491 } |
|
|
492 |
|
2880
|
493 octave_value::octave_value (const octave_value_list& l) |
|
|
494 : rep (new octave_list (l)) |
|
|
495 { |
|
|
496 rep->count = 1; |
|
|
497 } |
|
2376
|
498 |
|
|
499 octave_value::octave_value (octave_value::magic_colon) |
|
2825
|
500 : rep (new octave_magic_colon ()) |
|
|
501 { |
|
|
502 rep->count = 1; |
|
|
503 } |
|
2376
|
504 |
|
|
505 octave_value::octave_value (octave_value::all_va_args) |
|
2825
|
506 : rep (new octave_all_va_args ()) |
|
|
507 { |
|
|
508 rep->count = 1; |
|
|
509 } |
|
2376
|
510 |
|
|
511 octave_value::octave_value (octave_value *new_rep) |
|
2825
|
512 : rep (new_rep) |
|
|
513 { |
|
|
514 rep->count = 1; |
|
|
515 } |
|
2376
|
516 |
|
|
517 octave_value::~octave_value (void) |
|
|
518 { |
|
|
519 #if defined (MDEBUG) |
|
3531
|
520 std::cerr << "~octave_value: rep: " << rep |
|
|
521 << " rep->count: " << rep->count << "\n"; |
|
2376
|
522 #endif |
|
|
523 |
|
|
524 if (rep && --rep->count == 0) |
|
|
525 { |
|
|
526 delete rep; |
|
|
527 rep = 0; |
|
|
528 } |
|
|
529 } |
|
|
530 |
|
2880
|
531 octave_value * |
|
|
532 octave_value::clone (void) |
|
|
533 { |
|
|
534 panic_impossible (); |
|
|
535 } |
|
|
536 |
|
2409
|
537 void |
|
|
538 octave_value::maybe_mutate (void) |
|
|
539 { |
|
2410
|
540 octave_value *tmp = rep->try_narrowing_conversion (); |
|
2409
|
541 |
|
|
542 if (tmp && tmp != rep) |
|
|
543 { |
|
|
544 if (--rep->count == 0) |
|
|
545 delete rep; |
|
|
546 |
|
|
547 rep = tmp; |
|
|
548 rep->count = 1; |
|
|
549 } |
|
|
550 } |
|
|
551 |
|
2974
|
552 octave_value_list |
|
|
553 octave_value::do_index_op (int nargout, const octave_value_list& idx) |
|
|
554 { |
|
|
555 return rep->do_index_op (nargout, idx); |
|
|
556 } |
|
|
557 |
|
2376
|
558 static void |
|
3523
|
559 gripe_no_conversion (const std::string& on, const std::string& tn1, const std::string& tn2) |
|
2376
|
560 { |
|
3203
|
561 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
562 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
2376
|
563 } |
|
|
564 |
|
3204
|
565 static void |
|
3523
|
566 gripe_assign_failed (const std::string& on, const std::string& tn1, const std::string& tn2) |
|
3204
|
567 { |
|
|
568 error ("assignment failed for `%s %s %s'", |
|
|
569 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
570 } |
|
|
571 |
|
|
572 static void |
|
3523
|
573 gripe_assign_failed_or_no_method (const std::string& on, const std::string& tn1, |
|
|
574 const std::string& tn2) |
|
3204
|
575 { |
|
|
576 error ("assignment failed, or no method for `%s %s %s'", |
|
|
577 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
578 } |
|
|
579 |
|
2963
|
580 void |
|
3203
|
581 octave_value::assign (assign_op op, const octave_value& rhs) |
|
2880
|
582 { |
|
3203
|
583 if (op == asn_eq) |
|
|
584 operator = (rhs); |
|
|
585 else |
|
|
586 { |
|
3204
|
587 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
588 // a specific function to call to handle the op= operation for |
|
|
589 // the types we have. |
|
|
590 |
|
|
591 binary_op binop = op_eq_to_binary_op (op); |
|
|
592 |
|
|
593 if (! error_state) |
|
|
594 { |
|
|
595 octave_value t = do_binary_op (binop, *this, rhs); |
|
|
596 |
|
|
597 if (! error_state) |
|
|
598 operator = (t); |
|
|
599 } |
|
|
600 |
|
|
601 if (error_state) |
|
|
602 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
603 type_name (), rhs.type_name ()); |
|
|
604 } |
|
|
605 } |
|
|
606 |
|
|
607 void |
|
|
608 octave_value::simple_assign (octave_value::assign_op orig_op, |
|
|
609 const octave_value_list& idx, |
|
|
610 const octave_value& rhs) |
|
|
611 { |
|
|
612 make_unique (); |
|
|
613 |
|
|
614 bool assignment_ok = try_assignment (asn_eq, idx, rhs); |
|
|
615 |
|
|
616 if (! (error_state || assignment_ok)) |
|
|
617 { |
|
|
618 assignment_ok = try_assignment_with_conversion (asn_eq, idx, rhs); |
|
|
619 |
|
|
620 if (! (error_state || assignment_ok)) |
|
|
621 gripe_no_conversion (assign_op_as_string (orig_op), |
|
|
622 type_name (), rhs.type_name ()); |
|
3203
|
623 } |
|
2880
|
624 } |
|
|
625 |
|
2963
|
626 void |
|
2880
|
627 octave_value::assign (octave_value::assign_op op, |
|
|
628 const octave_value_list& idx, |
|
|
629 const octave_value& rhs) |
|
2409
|
630 { |
|
2948
|
631 if (Vresize_on_range_error || is_defined ()) |
|
|
632 { |
|
3204
|
633 if (op == asn_eq) |
|
|
634 simple_assign (op, idx, rhs); |
|
|
635 else |
|
|
636 { |
|
|
637 // XXX FIXME XXX -- only do the following stuff if we can't |
|
|
638 // find a specific function to call to handle the op= |
|
|
639 // operation for the types we have. |
|
|
640 |
|
|
641 octave_value t1 = *this; |
|
2948
|
642 |
|
3204
|
643 t1 = t1.do_index_op (idx); |
|
|
644 |
|
|
645 if (! error_state) |
|
|
646 { |
|
|
647 binary_op binop = op_eq_to_binary_op (op); |
|
|
648 |
|
|
649 if (! error_state) |
|
|
650 { |
|
|
651 octave_value t2 = do_binary_op (binop, t1, rhs); |
|
2948
|
652 |
|
3204
|
653 if (! error_state) |
|
|
654 { |
|
|
655 simple_assign (op, idx, t2); |
|
2948
|
656 |
|
3204
|
657 if (error_state) |
|
|
658 gripe_assign_failed (assign_op_as_string (op), |
|
|
659 type_name (), rhs.type_name ()); |
|
|
660 } |
|
|
661 else |
|
|
662 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
663 type_name (), |
|
|
664 rhs.type_name ()); |
|
|
665 } |
|
|
666 else |
|
|
667 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
668 type_name (), |
|
|
669 rhs.type_name ()); |
|
|
670 } |
|
|
671 else |
|
|
672 gripe_assign_failed (assign_op_as_string (op), |
|
3203
|
673 type_name (), rhs.type_name ()); |
|
2948
|
674 } |
|
|
675 |
|
|
676 if (! error_state) |
|
|
677 maybe_mutate (); |
|
|
678 } |
|
|
679 else |
|
|
680 { |
|
|
681 error ("indexed assignment to previously undefined variables"); |
|
|
682 error ("is only possible when resize_on_range_error is true"); |
|
|
683 } |
|
|
684 } |
|
|
685 |
|
|
686 void |
|
3523
|
687 octave_value::assign_struct_elt (assign_op op, const std::string& elt_nm, |
|
2948
|
688 const octave_value& rhs) |
|
|
689 { |
|
2409
|
690 make_unique (); |
|
2376
|
691 |
|
2948
|
692 rep->assign_struct_elt (op, elt_nm, rhs); |
|
|
693 } |
|
|
694 |
|
2409
|
695 |
|
2948
|
696 void |
|
3523
|
697 octave_value::assign_struct_elt (assign_op op, const std::string& elt_nm, |
|
2948
|
698 const octave_value_list& idx, |
|
|
699 const octave_value& rhs) |
|
|
700 { |
|
|
701 make_unique (); |
|
2409
|
702 |
|
2948
|
703 rep->assign_struct_elt (op, elt_nm, idx, rhs); |
|
|
704 } |
|
2376
|
705 |
|
2979
|
706 octave_lvalue |
|
3523
|
707 octave_value::struct_elt_ref (const std::string& nm) |
|
2948
|
708 { |
|
|
709 return rep->struct_elt_ref (this, nm); |
|
|
710 } |
|
2409
|
711 |
|
2979
|
712 octave_lvalue |
|
3523
|
713 octave_value::struct_elt_ref (octave_value *, const std::string&) |
|
2948
|
714 { |
|
|
715 panic_impossible (); |
|
|
716 |
|
2979
|
717 return octave_lvalue (); |
|
2376
|
718 } |
|
|
719 |
|
3351
|
720 Cell |
|
|
721 octave_value::cell_value (void) const |
|
|
722 { |
|
|
723 return rep->cell_value (); |
|
|
724 } |
|
|
725 |
|
2376
|
726 Octave_map |
|
|
727 octave_value::map_value (void) const |
|
|
728 { |
|
|
729 return rep->map_value (); |
|
|
730 } |
|
|
731 |
|
3340
|
732 octave_stream |
|
2903
|
733 octave_value::stream_value (void) const |
|
|
734 { |
|
|
735 return rep->stream_value (); |
|
|
736 } |
|
|
737 |
|
|
738 int |
|
|
739 octave_value::stream_number (void) const |
|
|
740 { |
|
|
741 return rep->stream_number (); |
|
|
742 } |
|
|
743 |
|
2974
|
744 octave_function * |
|
|
745 octave_value::function_value (bool silent) |
|
|
746 { |
|
|
747 return rep->function_value (silent); |
|
|
748 } |
|
|
749 |
|
2880
|
750 octave_value_list |
|
|
751 octave_value::list_value (void) const |
|
|
752 { |
|
|
753 return rep->list_value (); |
|
|
754 } |
|
|
755 |
|
2376
|
756 ColumnVector |
|
3419
|
757 octave_value::column_vector_value (bool force_string_conv, |
|
|
758 bool force_vector_conversion) const |
|
|
759 { |
|
|
760 ColumnVector retval; |
|
|
761 |
|
|
762 Matrix m = matrix_value (force_string_conv); |
|
|
763 |
|
|
764 if (error_state) |
|
|
765 return retval; |
|
|
766 |
|
|
767 int nr = m.rows (); |
|
|
768 int nc = m.columns (); |
|
|
769 |
|
|
770 if (nc == 1) |
|
|
771 { |
|
|
772 retval.resize (nr); |
|
|
773 for (int i = 0; i < nr; i++) |
|
|
774 retval (i) = m (i, 0); |
|
|
775 } |
|
|
776 else |
|
|
777 { |
|
3523
|
778 std::string tn = type_name (); |
|
3419
|
779 gripe_invalid_conversion (tn.c_str (), "real column vector"); |
|
|
780 } |
|
|
781 |
|
|
782 return retval; |
|
|
783 } |
|
|
784 |
|
|
785 ComplexColumnVector |
|
|
786 octave_value::complex_column_vector_value (bool force_string_conv, |
|
|
787 bool force_vector_conversion) const |
|
|
788 { |
|
|
789 ComplexColumnVector retval; |
|
|
790 |
|
|
791 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
792 |
|
|
793 if (error_state) |
|
|
794 return retval; |
|
|
795 |
|
|
796 int nr = m.rows (); |
|
|
797 int nc = m.columns (); |
|
|
798 |
|
|
799 if (nc == 1) |
|
|
800 { |
|
3465
|
801 retval.resize (nr); |
|
|
802 for (int i = 0; i < nr; i++) |
|
3419
|
803 retval (i) = m (i, 0); |
|
|
804 } |
|
|
805 else |
|
|
806 { |
|
3523
|
807 std::string tn = type_name (); |
|
3419
|
808 gripe_invalid_conversion (tn.c_str (), "complex column vector"); |
|
|
809 } |
|
|
810 |
|
|
811 return retval; |
|
|
812 } |
|
|
813 |
|
|
814 RowVector |
|
|
815 octave_value::row_vector_value (bool force_string_conv, |
|
|
816 bool force_vector_conversion) const |
|
|
817 { |
|
|
818 RowVector retval; |
|
|
819 |
|
|
820 Matrix m = matrix_value (force_string_conv); |
|
|
821 |
|
|
822 if (error_state) |
|
|
823 return retval; |
|
|
824 |
|
|
825 int nr = m.rows (); |
|
|
826 int nc = m.columns (); |
|
|
827 |
|
|
828 if (nr == 1) |
|
|
829 { |
|
|
830 retval.resize (nc); |
|
|
831 for (int i = 0; i < nc; i++) |
|
|
832 retval (i) = m (0, i); |
|
|
833 } |
|
|
834 else |
|
|
835 { |
|
3523
|
836 std::string tn = type_name (); |
|
3419
|
837 gripe_invalid_conversion (tn.c_str (), "real row vector"); |
|
|
838 } |
|
|
839 |
|
|
840 return retval; |
|
|
841 } |
|
|
842 |
|
|
843 ComplexRowVector |
|
|
844 octave_value::complex_row_vector_value (bool force_string_conv, |
|
|
845 bool force_vector_conversion) const |
|
|
846 { |
|
|
847 ComplexRowVector retval; |
|
|
848 |
|
|
849 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
850 |
|
|
851 if (error_state) |
|
|
852 return retval; |
|
|
853 |
|
|
854 int nr = m.rows (); |
|
|
855 int nc = m.columns (); |
|
|
856 |
|
|
857 if (nr == 1) |
|
|
858 { |
|
|
859 retval.resize (nc); |
|
|
860 for (int i = 0; i < nc; i++) |
|
|
861 retval (i) = m (0, i); |
|
|
862 } |
|
|
863 else |
|
|
864 { |
|
3523
|
865 std::string tn = type_name (); |
|
3419
|
866 gripe_invalid_conversion (tn.c_str (), "complex row vector"); |
|
|
867 } |
|
|
868 |
|
|
869 return retval; |
|
|
870 } |
|
|
871 |
|
|
872 // Sloppy... |
|
|
873 |
|
|
874 Array<double> |
|
2376
|
875 octave_value::vector_value (bool force_string_conv, |
|
|
876 bool force_vector_conversion) const |
|
|
877 { |
|
3419
|
878 Array<double> retval; |
|
2376
|
879 |
|
|
880 Matrix m = matrix_value (force_string_conv); |
|
|
881 |
|
|
882 if (error_state) |
|
|
883 return retval; |
|
|
884 |
|
|
885 int nr = m.rows (); |
|
|
886 int nc = m.columns (); |
|
|
887 |
|
|
888 if (nr == 1) |
|
|
889 { |
|
|
890 retval.resize (nc); |
|
|
891 for (int i = 0; i < nc; i++) |
|
|
892 retval (i) = m (0, i); |
|
|
893 } |
|
|
894 else if (nc == 1) |
|
|
895 { |
|
|
896 retval.resize (nr); |
|
|
897 for (int i = 0; i < nr; i++) |
|
|
898 retval (i) = m (i, 0); |
|
|
899 } |
|
|
900 else if (nr > 0 && nc > 0 |
|
|
901 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
902 { |
|
|
903 retval.resize (nr * nc); |
|
|
904 int k = 0; |
|
|
905 for (int j = 0; j < nc; j++) |
|
|
906 for (int i = 0; i < nr; i++) |
|
|
907 retval (k++) = m (i, j); |
|
|
908 } |
|
|
909 else |
|
|
910 { |
|
3523
|
911 std::string tn = type_name (); |
|
2376
|
912 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
913 } |
|
|
914 |
|
|
915 return retval; |
|
|
916 } |
|
|
917 |
|
3419
|
918 Array<Complex> |
|
2376
|
919 octave_value::complex_vector_value (bool force_string_conv, |
|
|
920 bool force_vector_conversion) const |
|
|
921 { |
|
3419
|
922 Array<Complex> retval; |
|
2376
|
923 |
|
|
924 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
925 |
|
|
926 if (error_state) |
|
|
927 return retval; |
|
|
928 |
|
|
929 int nr = m.rows (); |
|
|
930 int nc = m.columns (); |
|
|
931 |
|
|
932 if (nr == 1) |
|
|
933 { |
|
|
934 retval.resize (nc); |
|
|
935 for (int i = 0; i < nc; i++) |
|
|
936 retval (i) = m (0, i); |
|
|
937 } |
|
|
938 else if (nc == 1) |
|
|
939 { |
|
|
940 retval.resize (nr); |
|
|
941 for (int i = 0; i < nr; i++) |
|
|
942 retval (i) = m (i, 0); |
|
|
943 } |
|
|
944 else if (nr > 0 && nc > 0 |
|
|
945 && (Vdo_fortran_indexing || force_vector_conversion)) |
|
|
946 { |
|
|
947 retval.resize (nr * nc); |
|
|
948 int k = 0; |
|
|
949 for (int j = 0; j < nc; j++) |
|
|
950 for (int i = 0; i < nr; i++) |
|
|
951 retval (k++) = m (i, j); |
|
|
952 } |
|
|
953 else |
|
|
954 { |
|
3523
|
955 std::string tn = type_name (); |
|
2376
|
956 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
957 } |
|
|
958 |
|
|
959 return retval; |
|
|
960 } |
|
|
961 |
|
|
962 void |
|
3523
|
963 octave_value::print_with_name (std::ostream& output_buf, const std::string& name, |
|
2903
|
964 bool print_padding) const |
|
2376
|
965 { |
|
2903
|
966 bool pad_after = print_name_tag (output_buf, name); |
|
2376
|
967 |
|
|
968 print (output_buf); |
|
|
969 |
|
|
970 if (print_padding && pad_after) |
|
2903
|
971 newline (output_buf); |
|
2376
|
972 } |
|
|
973 |
|
|
974 static void |
|
3523
|
975 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
2413
|
976 { |
|
2903
|
977 error ("assignment of `%s' to indexed `%s' not implemented", |
|
2413
|
978 tn2.c_str (), tn1.c_str ()); |
|
|
979 } |
|
|
980 |
|
|
981 static void |
|
3523
|
982 gripe_assign_conversion_failed (const std::string& tn1, const std::string& tn2) |
|
2413
|
983 { |
|
2903
|
984 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
2413
|
985 tn2.c_str (), tn1.c_str ()); |
|
|
986 } |
|
|
987 |
|
|
988 bool |
|
2880
|
989 octave_value::convert_and_assign (octave_value::assign_op op, |
|
|
990 const octave_value_list& idx, |
|
2413
|
991 const octave_value& rhs) |
|
|
992 { |
|
|
993 bool assignment_ok = false; |
|
|
994 |
|
|
995 int t_lhs = type_id (); |
|
|
996 int t_rhs = rhs.type_id (); |
|
|
997 |
|
|
998 int t_result |
|
|
999 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
1000 |
|
|
1001 if (t_result >= 0) |
|
|
1002 { |
|
2427
|
1003 type_conv_fcn cf |
|
2413
|
1004 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
1005 |
|
|
1006 if (cf) |
|
|
1007 { |
|
|
1008 octave_value *tmp = cf (*rep); |
|
|
1009 |
|
|
1010 if (tmp) |
|
|
1011 { |
|
2589
|
1012 octave_value *old_rep = rep; |
|
|
1013 rep = tmp; |
|
|
1014 rep->count = 1; |
|
|
1015 |
|
2880
|
1016 assignment_ok = try_assignment (op, idx, rhs); |
|
2589
|
1017 |
|
|
1018 if (! assignment_ok && old_rep) |
|
2413
|
1019 { |
|
|
1020 if (--rep->count == 0) |
|
|
1021 delete rep; |
|
|
1022 |
|
2589
|
1023 rep = old_rep; |
|
|
1024 old_rep = 0; |
|
2413
|
1025 } |
|
|
1026 |
|
2589
|
1027 if (old_rep && --old_rep->count == 0) |
|
|
1028 delete old_rep; |
|
2413
|
1029 } |
|
|
1030 else |
|
3203
|
1031 gripe_assign_conversion_failed (type_name (), rhs.type_name ()); |
|
2413
|
1032 } |
|
|
1033 else |
|
|
1034 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
1035 } |
|
|
1036 |
|
|
1037 return (assignment_ok && ! error_state); |
|
|
1038 } |
|
|
1039 |
|
|
1040 bool |
|
2880
|
1041 octave_value::try_assignment_with_conversion (octave_value::assign_op op, |
|
|
1042 const octave_value_list& idx, |
|
2413
|
1043 const octave_value& rhs) |
|
|
1044 { |
|
2880
|
1045 bool assignment_ok = convert_and_assign (op, idx, rhs); |
|
2413
|
1046 |
|
|
1047 if (! (error_state || assignment_ok)) |
|
|
1048 { |
|
|
1049 octave_value tmp_rhs; |
|
2427
|
1050 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
2413
|
1051 |
|
|
1052 if (cf_rhs) |
|
3203
|
1053 { |
|
|
1054 octave_value *tmp = cf_rhs (*rhs.rep); |
|
|
1055 |
|
|
1056 if (tmp) |
|
|
1057 tmp_rhs = octave_value (tmp); |
|
|
1058 else |
|
|
1059 { |
|
|
1060 gripe_assign_conversion_failed (type_name (), rhs.type_name ()); |
|
|
1061 return false; |
|
|
1062 } |
|
|
1063 } |
|
2413
|
1064 else |
|
|
1065 tmp_rhs = rhs; |
|
|
1066 |
|
|
1067 octave_value *old_rep = 0; |
|
2427
|
1068 type_conv_fcn cf_this = numeric_conversion_function (); |
|
2413
|
1069 |
|
|
1070 if (cf_this) |
|
|
1071 { |
|
|
1072 old_rep = rep; |
|
3203
|
1073 |
|
|
1074 octave_value *tmp = cf_this (*rep); |
|
|
1075 |
|
|
1076 if (tmp) |
|
|
1077 { |
|
|
1078 rep = tmp; |
|
|
1079 rep->count = 1; |
|
|
1080 } |
|
|
1081 else |
|
|
1082 { |
|
|
1083 gripe_assign_conversion_failed (type_name (), rhs.type_name ()); |
|
|
1084 return false; |
|
|
1085 } |
|
2413
|
1086 } |
|
|
1087 |
|
|
1088 if (cf_this || cf_rhs) |
|
|
1089 { |
|
2880
|
1090 assignment_ok = try_assignment (op, idx, tmp_rhs); |
|
2413
|
1091 |
|
|
1092 if (! (error_state || assignment_ok)) |
|
2880
|
1093 assignment_ok = convert_and_assign (op, idx, tmp_rhs); |
|
2413
|
1094 } |
|
|
1095 |
|
|
1096 if (! assignment_ok && old_rep) |
|
|
1097 { |
|
|
1098 if (--rep->count == 0) |
|
|
1099 delete rep; |
|
|
1100 |
|
|
1101 rep = old_rep; |
|
|
1102 old_rep = 0; |
|
|
1103 } |
|
|
1104 |
|
|
1105 if (old_rep && --old_rep->count == 0) |
|
|
1106 delete old_rep; |
|
|
1107 } |
|
|
1108 |
|
|
1109 return (assignment_ok && ! error_state); |
|
|
1110 } |
|
|
1111 |
|
|
1112 bool |
|
2880
|
1113 octave_value::try_assignment (octave_value::assign_op op, |
|
|
1114 const octave_value_list& idx, |
|
2413
|
1115 const octave_value& rhs) |
|
|
1116 { |
|
|
1117 bool retval = false; |
|
|
1118 |
|
|
1119 int t_lhs = type_id (); |
|
|
1120 int t_rhs = rhs.type_id (); |
|
|
1121 |
|
2880
|
1122 assign_op_fcn f |
|
|
1123 = octave_value_typeinfo::lookup_assign_op (op, t_lhs, t_rhs); |
|
2413
|
1124 |
|
|
1125 if (f) |
|
|
1126 { |
|
|
1127 f (*rep, idx, *(rhs.rep)); |
|
|
1128 |
|
|
1129 retval = (! error_state); |
|
|
1130 } |
|
3196
|
1131 else |
|
|
1132 { |
|
|
1133 f = octave_value_typeinfo::lookup_assignany_op (op, t_lhs); |
|
|
1134 |
|
|
1135 if (f) |
|
|
1136 { |
|
|
1137 f (*rep, idx, rhs); |
|
|
1138 |
|
|
1139 retval = (! error_state); |
|
|
1140 } |
|
|
1141 } |
|
2413
|
1142 |
|
|
1143 return retval; |
|
|
1144 } |
|
|
1145 |
|
|
1146 static void |
|
3523
|
1147 gripe_binary_op (const std::string& on, const std::string& tn1, const std::string& tn2) |
|
2376
|
1148 { |
|
2903
|
1149 error ("binary operator `%s' not implemented for `%s' by `%s' operations", |
|
2376
|
1150 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
1151 } |
|
|
1152 |
|
3203
|
1153 static void |
|
3523
|
1154 gripe_binary_op_conv (const std::string& on) |
|
3203
|
1155 { |
|
|
1156 error ("type conversion failed for binary operator `%s'", on.c_str ()); |
|
|
1157 } |
|
|
1158 |
|
2376
|
1159 octave_value |
|
|
1160 do_binary_op (octave_value::binary_op op, const octave_value& v1, |
|
|
1161 const octave_value& v2) |
|
|
1162 { |
|
|
1163 octave_value retval; |
|
|
1164 |
|
|
1165 int t1 = v1.type_id (); |
|
|
1166 int t2 = v2.type_id (); |
|
|
1167 |
|
2427
|
1168 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1169 |
|
|
1170 if (f) |
|
|
1171 retval = f (*v1.rep, *v2.rep); |
|
|
1172 else |
|
|
1173 { |
|
|
1174 octave_value tv1; |
|
2427
|
1175 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
1176 |
|
|
1177 if (cf1) |
|
|
1178 { |
|
3203
|
1179 octave_value *tmp = cf1 (*v1.rep); |
|
|
1180 |
|
|
1181 if (tmp) |
|
|
1182 { |
|
|
1183 tv1 = octave_value (tmp); |
|
|
1184 t1 = tv1.type_id (); |
|
|
1185 } |
|
|
1186 else |
|
|
1187 { |
|
|
1188 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1189 return retval; |
|
|
1190 } |
|
2376
|
1191 } |
|
|
1192 else |
|
|
1193 tv1 = v1; |
|
|
1194 |
|
|
1195 octave_value tv2; |
|
2427
|
1196 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
1197 |
|
|
1198 if (cf2) |
|
|
1199 { |
|
3203
|
1200 octave_value *tmp = cf2 (*v2.rep); |
|
|
1201 |
|
|
1202 if (tmp) |
|
|
1203 { |
|
|
1204 tv2 = octave_value (tmp); |
|
|
1205 t2 = tv2.type_id (); |
|
|
1206 } |
|
|
1207 else |
|
|
1208 { |
|
|
1209 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1210 return retval; |
|
|
1211 } |
|
2376
|
1212 } |
|
|
1213 else |
|
|
1214 tv2 = v2; |
|
|
1215 |
|
|
1216 if (cf1 || cf2) |
|
|
1217 { |
|
2427
|
1218 binary_op_fcn f |
|
2376
|
1219 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
1220 |
|
|
1221 if (f) |
|
|
1222 retval = f (*tv1.rep, *tv2.rep); |
|
|
1223 else |
|
|
1224 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1225 v1.type_name (), v2.type_name ()); |
|
|
1226 } |
|
|
1227 else |
|
|
1228 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1229 v1.type_name (), v2.type_name ()); |
|
|
1230 } |
|
|
1231 |
|
|
1232 return retval; |
|
|
1233 } |
|
|
1234 |
|
3203
|
1235 static void |
|
3523
|
1236 gripe_unary_op (const std::string& on, const std::string& tn) |
|
3203
|
1237 { |
|
|
1238 error ("unary operator `%s' not implemented for `%s' operands", |
|
|
1239 on.c_str (), tn.c_str ()); |
|
|
1240 } |
|
|
1241 |
|
|
1242 static void |
|
3523
|
1243 gripe_unary_op_conv (const std::string& on) |
|
3203
|
1244 { |
|
|
1245 error ("type conversion failed for unary operator `%s'", on.c_str ()); |
|
|
1246 } |
|
|
1247 |
|
|
1248 octave_value |
|
|
1249 do_unary_op (octave_value::unary_op op, const octave_value& v) |
|
|
1250 { |
|
|
1251 octave_value retval; |
|
|
1252 |
|
|
1253 int t = v.type_id (); |
|
|
1254 |
|
|
1255 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1256 |
|
|
1257 if (f) |
|
|
1258 retval = f (*v.rep); |
|
|
1259 else |
|
|
1260 { |
|
|
1261 octave_value tv; |
|
|
1262 type_conv_fcn cf = v.numeric_conversion_function (); |
|
|
1263 |
|
|
1264 if (cf) |
|
|
1265 { |
|
|
1266 octave_value *tmp = cf (*v.rep); |
|
|
1267 |
|
|
1268 if (tmp) |
|
|
1269 { |
|
|
1270 tv = octave_value (tmp); |
|
|
1271 t = tv.type_id (); |
|
|
1272 |
|
|
1273 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1274 |
|
|
1275 if (f) |
|
|
1276 retval = f (*tv.rep); |
|
|
1277 else |
|
|
1278 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1279 v.type_name ()); |
|
|
1280 } |
|
|
1281 else |
|
|
1282 gripe_unary_op_conv (octave_value::unary_op_as_string (op)); |
|
|
1283 } |
|
|
1284 else |
|
|
1285 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1286 v.type_name ()); |
|
|
1287 } |
|
|
1288 |
|
|
1289 return retval; |
|
|
1290 } |
|
|
1291 |
|
|
1292 static void |
|
3523
|
1293 gripe_unary_op_conversion_failed (const std::string& op, const std::string& tn) |
|
3203
|
1294 { |
|
|
1295 error ("operator %s: type conversion for `%s' failed", |
|
|
1296 op.c_str (), tn.c_str ()); |
|
|
1297 } |
|
|
1298 |
|
|
1299 void |
|
|
1300 octave_value::do_non_const_unary_op (octave_value::unary_op op) |
|
|
1301 { |
|
|
1302 octave_value retval; |
|
|
1303 |
|
|
1304 int t = type_id (); |
|
|
1305 |
|
|
1306 non_const_unary_op_fcn f |
|
|
1307 = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1308 |
|
|
1309 if (f) |
|
|
1310 { |
|
|
1311 make_unique (); |
|
|
1312 |
|
|
1313 f (*rep); |
|
|
1314 } |
|
|
1315 else |
|
|
1316 { |
|
|
1317 type_conv_fcn cf = numeric_conversion_function (); |
|
|
1318 |
|
|
1319 if (cf) |
|
|
1320 { |
|
|
1321 octave_value *tmp = cf (*rep); |
|
|
1322 |
|
|
1323 if (tmp) |
|
|
1324 { |
|
|
1325 octave_value *old_rep = rep; |
|
|
1326 rep = tmp; |
|
|
1327 rep->count = 1; |
|
|
1328 |
|
|
1329 t = type_id (); |
|
|
1330 |
|
|
1331 f = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1332 |
|
|
1333 if (f) |
|
|
1334 { |
|
|
1335 f (*rep); |
|
|
1336 |
|
|
1337 if (old_rep && --old_rep->count == 0) |
|
|
1338 delete old_rep; |
|
|
1339 } |
|
|
1340 else |
|
|
1341 { |
|
|
1342 if (old_rep) |
|
|
1343 { |
|
|
1344 if (--rep->count == 0) |
|
|
1345 delete rep; |
|
|
1346 |
|
|
1347 rep = old_rep; |
|
|
1348 } |
|
|
1349 |
|
|
1350 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1351 type_name ()); |
|
|
1352 } |
|
|
1353 } |
|
|
1354 else |
|
|
1355 gripe_unary_op_conversion_failed |
|
|
1356 (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1357 } |
|
|
1358 else |
|
|
1359 gripe_unary_op (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1360 } |
|
|
1361 } |
|
|
1362 |
|
3205
|
1363 static void |
|
3523
|
1364 gripe_unary_op_failed_or_no_method (const std::string& on, const std::string& tn) |
|
3205
|
1365 { |
|
|
1366 error ("operator %s: no method, or unable to evaluate for %s operand", |
|
|
1367 on.c_str (), tn.c_str ()); |
|
|
1368 } |
|
|
1369 |
|
|
1370 void |
|
|
1371 octave_value::do_non_const_unary_op (octave_value::unary_op op, |
|
|
1372 const octave_value_list& idx) |
|
|
1373 { |
|
|
1374 // XXX FIXME XXX -- only do the following stuff if we can't find a |
|
|
1375 // specific function to call to handle the op= operation for the |
|
|
1376 // types we have. |
|
|
1377 |
|
|
1378 assign_op assop = unary_op_to_assign_op (op); |
|
|
1379 |
|
|
1380 if (! error_state) |
|
|
1381 assign (assop, idx, 1.0); |
|
|
1382 else |
|
|
1383 gripe_unary_op_failed_or_no_method (unary_op_as_string (op), |
|
|
1384 type_name ()); |
|
|
1385 } |
|
|
1386 |
|
2903
|
1387 // Current indentation. |
|
|
1388 int octave_value::curr_print_indent_level = 0; |
|
|
1389 |
|
3018
|
1390 // TRUE means we are at the beginning of a line. |
|
2903
|
1391 bool octave_value::beginning_of_line = true; |
|
|
1392 |
|
|
1393 // Each print() function should call this before printing anything. |
|
|
1394 // |
|
|
1395 // This doesn't need to be fast, but isn't there a better way? |
|
|
1396 |
|
|
1397 void |
|
3523
|
1398 octave_value::indent (std::ostream& os) const |
|
2903
|
1399 { |
|
|
1400 assert (curr_print_indent_level >= 0); |
|
|
1401 |
|
|
1402 if (beginning_of_line) |
|
|
1403 { |
|
|
1404 // XXX FIXME XXX -- do we need this? |
|
|
1405 // os << prefix; |
|
|
1406 |
|
|
1407 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1408 os << " "; |
|
|
1409 |
|
|
1410 beginning_of_line = false; |
|
|
1411 } |
|
|
1412 } |
|
|
1413 |
|
|
1414 // All print() functions should use this to print new lines. |
|
|
1415 |
|
|
1416 void |
|
3523
|
1417 octave_value::newline (std::ostream& os) const |
|
2903
|
1418 { |
|
|
1419 os << "\n"; |
|
|
1420 |
|
|
1421 beginning_of_line = true; |
|
|
1422 } |
|
|
1423 |
|
|
1424 // For ressetting print state. |
|
|
1425 |
|
|
1426 void |
|
|
1427 octave_value::reset (void) const |
|
|
1428 { |
|
|
1429 beginning_of_line = true; |
|
|
1430 curr_print_indent_level = 0; |
|
|
1431 } |
|
|
1432 |
|
3205
|
1433 octave_value::assign_op |
|
|
1434 octave_value::unary_op_to_assign_op (unary_op op) |
|
|
1435 { |
|
|
1436 assign_op binop = unknown_assign_op; |
|
|
1437 |
|
|
1438 switch (op) |
|
|
1439 { |
|
|
1440 case incr: |
|
|
1441 binop = add_eq; |
|
|
1442 break; |
|
|
1443 |
|
|
1444 case decr: |
|
|
1445 binop = sub_eq; |
|
|
1446 break; |
|
|
1447 |
|
|
1448 default: |
|
|
1449 { |
|
3523
|
1450 std::string on = unary_op_as_string (op); |
|
3205
|
1451 error ("operator %s: no assign operator found", on.c_str ()); |
|
|
1452 } |
|
|
1453 } |
|
|
1454 |
|
|
1455 return binop; |
|
|
1456 } |
|
|
1457 |
|
3204
|
1458 octave_value::binary_op |
|
|
1459 octave_value::op_eq_to_binary_op (assign_op op) |
|
|
1460 { |
|
|
1461 binary_op binop = unknown_binary_op; |
|
|
1462 |
|
|
1463 switch (op) |
|
|
1464 { |
|
|
1465 case add_eq: |
|
|
1466 binop = add; |
|
|
1467 break; |
|
|
1468 |
|
|
1469 case sub_eq: |
|
|
1470 binop = sub; |
|
|
1471 break; |
|
|
1472 |
|
|
1473 case mul_eq: |
|
|
1474 binop = mul; |
|
|
1475 break; |
|
|
1476 |
|
|
1477 case div_eq: |
|
|
1478 binop = div; |
|
|
1479 break; |
|
|
1480 |
|
|
1481 case ldiv_eq: |
|
|
1482 binop = ldiv; |
|
|
1483 break; |
|
|
1484 |
|
|
1485 case lshift_eq: |
|
|
1486 binop = lshift; |
|
|
1487 break; |
|
|
1488 |
|
|
1489 case rshift_eq: |
|
|
1490 binop = rshift; |
|
|
1491 break; |
|
|
1492 |
|
|
1493 case el_mul_eq: |
|
|
1494 binop = el_mul; |
|
|
1495 break; |
|
|
1496 |
|
|
1497 case el_div_eq: |
|
|
1498 binop = el_div; |
|
|
1499 break; |
|
|
1500 |
|
|
1501 case el_ldiv_eq: |
|
|
1502 binop = el_ldiv; |
|
|
1503 break; |
|
|
1504 |
|
|
1505 case el_and_eq: |
|
|
1506 binop = el_and; |
|
|
1507 break; |
|
|
1508 |
|
|
1509 case el_or_eq: |
|
|
1510 binop = el_or; |
|
|
1511 break; |
|
|
1512 |
|
|
1513 default: |
|
|
1514 { |
|
3523
|
1515 std::string on = assign_op_as_string (op); |
|
3204
|
1516 error ("operator %s: no binary operator found", on.c_str ()); |
|
|
1517 } |
|
|
1518 } |
|
|
1519 |
|
|
1520 return binop; |
|
|
1521 } |
|
|
1522 |
|
2376
|
1523 void |
|
|
1524 install_types (void) |
|
|
1525 { |
|
|
1526 octave_base_value::register_type (); |
|
|
1527 octave_scalar::register_type (); |
|
|
1528 octave_complex::register_type (); |
|
|
1529 octave_matrix::register_type (); |
|
|
1530 octave_complex_matrix::register_type (); |
|
|
1531 octave_range::register_type (); |
|
2825
|
1532 octave_bool::register_type (); |
|
|
1533 octave_bool_matrix::register_type (); |
|
2376
|
1534 octave_char_matrix::register_type (); |
|
|
1535 octave_char_matrix_str::register_type (); |
|
|
1536 octave_struct::register_type (); |
|
2903
|
1537 octave_file::register_type (); |
|
2880
|
1538 octave_list::register_type (); |
|
2376
|
1539 octave_all_va_args::register_type (); |
|
|
1540 octave_magic_colon::register_type (); |
|
2974
|
1541 octave_builtin::register_type (); |
|
|
1542 octave_mapper::register_type (); |
|
|
1543 octave_user_function::register_type (); |
|
2376
|
1544 } |
|
|
1545 |
|
|
1546 static int |
|
|
1547 do_fortran_indexing (void) |
|
|
1548 { |
|
|
1549 Vdo_fortran_indexing = check_preference ("do_fortran_indexing"); |
|
|
1550 |
|
|
1551 liboctave_dfi_flag = Vdo_fortran_indexing; |
|
|
1552 |
|
|
1553 return 0; |
|
|
1554 } |
|
|
1555 |
|
|
1556 static int |
|
|
1557 implicit_str_to_num_ok (void) |
|
|
1558 { |
|
|
1559 Vimplicit_str_to_num_ok = check_preference ("implicit_str_to_num_ok"); |
|
|
1560 |
|
|
1561 return 0; |
|
|
1562 } |
|
|
1563 |
|
|
1564 static int |
|
|
1565 ok_to_lose_imaginary_part (void) |
|
|
1566 { |
|
|
1567 Vok_to_lose_imaginary_part = check_preference ("ok_to_lose_imaginary_part"); |
|
|
1568 |
|
|
1569 return 0; |
|
|
1570 } |
|
|
1571 |
|
|
1572 static int |
|
|
1573 prefer_column_vectors (void) |
|
|
1574 { |
|
|
1575 Vprefer_column_vectors |
|
|
1576 = check_preference ("prefer_column_vectors"); |
|
|
1577 |
|
|
1578 liboctave_pcv_flag = Vprefer_column_vectors; |
|
|
1579 |
|
|
1580 return 0; |
|
|
1581 } |
|
|
1582 |
|
|
1583 static int |
|
|
1584 print_answer_id_name (void) |
|
|
1585 { |
|
|
1586 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1587 |
|
|
1588 return 0; |
|
|
1589 } |
|
|
1590 |
|
|
1591 static int |
|
|
1592 propagate_empty_matrices (void) |
|
|
1593 { |
|
|
1594 Vpropagate_empty_matrices = check_preference ("propagate_empty_matrices"); |
|
|
1595 |
|
|
1596 return 0; |
|
|
1597 } |
|
|
1598 |
|
|
1599 static int |
|
|
1600 resize_on_range_error (void) |
|
|
1601 { |
|
|
1602 Vresize_on_range_error = check_preference ("resize_on_range_error"); |
|
|
1603 |
|
|
1604 liboctave_rre_flag = Vresize_on_range_error; |
|
|
1605 |
|
|
1606 return 0; |
|
|
1607 } |
|
|
1608 |
|
|
1609 static int |
|
|
1610 struct_levels_to_print (void) |
|
|
1611 { |
|
|
1612 double val; |
|
|
1613 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
1614 && ! xisnan (val)) |
|
|
1615 { |
|
|
1616 int ival = NINT (val); |
|
2800
|
1617 if (ival >= 0 && ival == val) |
|
2376
|
1618 { |
|
|
1619 Vstruct_levels_to_print = ival; |
|
|
1620 return 0; |
|
|
1621 } |
|
|
1622 } |
|
|
1623 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
1624 return -1; |
|
|
1625 } |
|
|
1626 |
|
|
1627 static int |
|
|
1628 warn_divide_by_zero (void) |
|
|
1629 { |
|
|
1630 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
1631 |
|
|
1632 return 0; |
|
|
1633 } |
|
|
1634 |
|
|
1635 void |
|
2909
|
1636 symbols_of_ov (void) |
|
2376
|
1637 { |
|
3258
|
1638 DEFVAR (do_fortran_indexing, 0.0, do_fortran_indexing, |
|
3371
|
1639 "-*- texinfo -*-\n\ |
|
|
1640 @defvr {Built-in Variable} do_fortran_indexing\n\ |
|
|
1641 If the value of @code{do_fortran_indexing} is nonzero, Octave allows \n\ |
|
|
1642 you to select elements of a two-dimensional matrix using a single index\n\ |
|
|
1643 by treating the matrix as a single vector created from the columns of\n\ |
|
|
1644 the matrix. The default value is 0. \n\ |
|
|
1645 @end defvr"); |
|
2376
|
1646 |
|
3258
|
1647 DEFVAR (implicit_str_to_num_ok, 0.0, implicit_str_to_num_ok, |
|
3361
|
1648 "-*- texinfo -*-\n\ |
|
|
1649 @defvr {Built-in Variable} implicit_str_to_num_ok\n\ |
|
|
1650 If the value of @code{implicit_str_to_num_ok} is nonzero, implicit\n\ |
|
|
1651 conversions of strings to their numeric ASCII equivalents are allowed.\n\ |
|
|
1652 Otherwise, an error message is printed and control is returned to the\n\ |
|
|
1653 top level. The default value is 0.\n\ |
|
3363
|
1654 @end defvr"); |
|
2376
|
1655 |
|
3258
|
1656 DEFVAR (ok_to_lose_imaginary_part, "warn", ok_to_lose_imaginary_part, |
|
3370
|
1657 "-*- texinfo -*-\n\ |
|
|
1658 @defvr {Built-in Variable} ok_to_lose_imaginary_part\n\ |
|
|
1659 If the value of @code{ok_to_lose_imaginary_part} is nonzero, implicit\n\ |
|
|
1660 conversions of complex numbers to real numbers are allowed (for example,\n\ |
|
|
1661 by fsolve). If the value is @code{\"warn\"}, the conversion is allowed,\n\ |
|
|
1662 but a warning is printed. Otherwise, an error message is printed and\n\ |
|
|
1663 control is returned to the top level. The default value is\n\ |
|
|
1664 @code{\"warn\"}.\n\ |
|
|
1665 @end defvr"); |
|
2376
|
1666 |
|
3258
|
1667 DEFVAR (prefer_column_vectors, 1.0, prefer_column_vectors, |
|
3371
|
1668 "-*- texinfo -*-\n\ |
|
|
1669 @defvr {Built-in Variable} prefer_column_vectors\n\ |
|
|
1670 If @code{prefer_column_vectors} is nonzero, operations like\n\ |
|
|
1671 \n\ |
|
|
1672 @example\n\ |
|
|
1673 for i = 1:10\n\ |
|
|
1674 a (i) = i;\n\ |
|
|
1675 endfor\n\ |
|
|
1676 @end example\n\ |
|
|
1677 \n\ |
|
|
1678 @noindent\n\ |
|
|
1679 (for @code{a} previously undefined) produce column vectors. Otherwise, row\n\ |
|
|
1680 vectors are preferred. The default value is 1.\n\ |
|
|
1681 \n\ |
|
|
1682 If a variable is already defined to be a vector (a matrix with a single\n\ |
|
|
1683 row or column), the original orientation is respected, regardless of the\n\ |
|
|
1684 value of @code{prefer_column_vectors}.\n\ |
|
|
1685 @end defvr"); |
|
2376
|
1686 |
|
3258
|
1687 DEFVAR (print_answer_id_name, 1.0, print_answer_id_name, |
|
3372
|
1688 "-*- texinfo -*-\n\ |
|
|
1689 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
1690 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
1691 names are printed along with the result. Otherwise, only the result\n\ |
|
|
1692 values are printed. The default value is 1.\n\ |
|
|
1693 @end defvr"); |
|
2376
|
1694 |
|
3258
|
1695 DEFVAR (propagate_empty_matrices, 1.0, propagate_empty_matrices, |
|
3321
|
1696 "-*- texinfo -*-\n\ |
|
|
1697 @defvr {Built-in Variable} propagate_empty_matrices\n\ |
|
|
1698 If the value of @code{propagate_empty_matrices} is nonzero,\n\ |
|
|
1699 functions like @code{inverse} and @code{svd} will return an empty matrix\n\ |
|
|
1700 if they are given one as an argument. The default value is 1.\n\ |
|
3333
|
1701 @end defvr"); |
|
2376
|
1702 |
|
3258
|
1703 DEFVAR (resize_on_range_error, 1.0, resize_on_range_error, |
|
3371
|
1704 "-*- texinfo -*-\n\ |
|
|
1705 @defvr {Built-in Variable} resize_on_range_error\n\ |
|
|
1706 If the value of @code{resize_on_range_error} is nonzero, expressions\n\ |
|
|
1707 like\n\ |
|
|
1708 \n\ |
|
|
1709 @example\n\ |
|
|
1710 for i = 1:10\n\ |
|
|
1711 a (i) = sqrt (i);\n\ |
|
|
1712 endfor\n\ |
|
|
1713 @end example\n\ |
|
|
1714 \n\ |
|
|
1715 @noindent\n\ |
|
|
1716 (for @code{a} previously undefined) result in the variable @code{a}\n\ |
|
|
1717 being resized to be just large enough to hold the new value. New\n\ |
|
|
1718 elements that have not been given a value are set to zero. If the value\n\ |
|
|
1719 of @code{resize_on_range_error} is 0, an error message is printed and\n\ |
|
|
1720 control is returned to the top level. The default value is 1.\n\ |
|
|
1721 @end defvr"); |
|
2376
|
1722 |
|
3258
|
1723 DEFVAR (struct_levels_to_print, 2.0, struct_levels_to_print, |
|
3361
|
1724 "-*- texinfo -*-\n\ |
|
|
1725 @defvr {Built-in Variable} struct_levels_to_print\n\ |
|
|
1726 You can tell Octave how many structure levels to display by setting the\n\ |
|
|
1727 built-in variable @code{struct_levels_to_print}. The default value is 2.\n\ |
|
3363
|
1728 @end defvr"); |
|
2376
|
1729 |
|
3258
|
1730 DEFVAR (warn_divide_by_zero, 1.0, warn_divide_by_zero, |
|
3371
|
1731 "-*- texinfo -*-\n\ |
|
|
1732 @defvr {Built-in Variable} warn_divide_by_zero\n\ |
|
|
1733 If the value of @code{warn_divide_by_zero} is nonzero, a warning\n\ |
|
|
1734 is issued when Octave encounters a division by zero. If the value is\n\ |
|
|
1735 0, the warning is omitted. The default value is 1.\n\ |
|
|
1736 @end defvr"); |
|
2376
|
1737 } |
|
|
1738 |
|
|
1739 /* |
|
|
1740 ;;; Local Variables: *** |
|
|
1741 ;;; mode: C++ *** |
|
|
1742 ;;; End: *** |
|
|
1743 */ |
