Mercurial > octave
annotate liboctave/Array.cc @ 7605:48488cca0006
Fix for array indexing if original matrix is empty
| author | David Bateman <dbateman@free.fr> |
|---|---|
| date | Wed, 19 Mar 2008 14:12:57 -0400 |
| parents | 6b2a99e44ff2 |
| children | 36594d5bbe13 |
| rev | line source |
|---|---|
| 1993 | 1 // Template array classes |
| 237 | 2 /* |
| 3 | |
| 7017 | 4 Copyright (C) 1993, 1994, 1995, 1996, 1997, 2000, 2002, 2003, 2004, |
| 5 2005, 2006, 2007 John W. Eaton | |
| 237 | 6 |
| 7 This file is part of Octave. | |
| 8 | |
| 9 Octave is free software; you can redistribute it and/or modify it | |
| 10 under the terms of the GNU General Public License as published by the | |
| 7016 | 11 Free Software Foundation; either version 3 of the License, or (at your |
| 12 option) any later version. | |
| 237 | 13 |
| 14 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 17 for more details. | |
| 18 | |
| 19 You should have received a copy of the GNU General Public License | |
| 7016 | 20 along with Octave; see the file COPYING. If not, see |
| 21 <http://www.gnu.org/licenses/>. | |
| 237 | 22 |
| 23 */ | |
| 24 | |
| 25 #ifdef HAVE_CONFIG_H | |
| 1192 | 26 #include <config.h> |
| 237 | 27 #endif |
| 28 | |
| 1367 | 29 #include <cassert> |
| 4518 | 30 #include <climits> |
| 449 | 31 |
| 3503 | 32 #include <iostream> |
| 5765 | 33 #include <sstream> |
| 5607 | 34 #include <vector> |
| 6674 | 35 #include <new> |
| 1560 | 36 |
| 237 | 37 #include "Array.h" |
| 4588 | 38 #include "Array-util.h" |
| 1560 | 39 #include "idx-vector.h" |
| 40 #include "lo-error.h" | |
| 41 | |
| 1360 | 42 // One dimensional array class. Handles the reference counting for |
| 43 // all the derived classes. | |
| 237 | 44 |
| 45 template <class T> | |
| 4834 | 46 Array<T>::Array (const Array<T>& a, const dim_vector& dv) |
| 47 : rep (a.rep), dimensions (dv), idx (0), idx_count (0) | |
| 48 { | |
| 49 rep->count++; | |
| 50 | |
| 51 if (a.numel () < dv.numel ()) | |
| 52 (*current_liboctave_error_handler) | |
| 53 ("Array::Array (const Array&, const dim_vector&): dimension mismatch"); | |
| 54 } | |
| 55 | |
| 56 template <class T> | |
| 1619 | 57 Array<T>::~Array (void) |
| 58 { | |
| 59 if (--rep->count <= 0) | |
| 60 delete rep; | |
| 61 | |
| 62 delete [] idx; | |
| 4513 | 63 } |
| 64 | |
| 4532 | 65 template <class T> |
| 66 Array<T> | |
| 67 Array<T>::squeeze (void) const | |
| 68 { | |
| 69 Array<T> retval = *this; | |
| 70 | |
| 4929 | 71 if (ndims () > 2) |
| 4532 | 72 { |
| 4929 | 73 bool dims_changed = false; |
| 74 | |
| 75 dim_vector new_dimensions = dimensions; | |
| 76 | |
| 77 int k = 0; | |
| 78 | |
| 79 for (int i = 0; i < ndims (); i++) | |
| 4759 | 80 { |
| 4929 | 81 if (dimensions(i) == 1) |
| 82 dims_changed = true; | |
| 83 else | |
| 84 new_dimensions(k++) = dimensions(i); | |
| 85 } | |
| 86 | |
| 87 if (dims_changed) | |
| 88 { | |
| 89 switch (k) | |
| 90 { | |
| 91 case 0: | |
| 92 new_dimensions = dim_vector (1, 1); | |
| 93 break; | |
| 94 | |
| 95 case 1: | |
| 4759 | 96 { |
| 5275 | 97 octave_idx_type tmp = new_dimensions(0); |
| 4929 | 98 |
| 99 new_dimensions.resize (2); | |
| 100 | |
| 4759 | 101 new_dimensions(0) = tmp; |
| 102 new_dimensions(1) = 1; | |
| 103 } | |
| 4929 | 104 break; |
| 105 | |
| 106 default: | |
| 107 new_dimensions.resize (k); | |
| 108 break; | |
| 109 } | |
| 4759 | 110 } |
| 4532 | 111 |
| 5775 | 112 // FIXME -- it would be better if we did not have to do |
| 5047 | 113 // this, so we could share the data while still having different |
| 114 // dimension vectors. | |
| 115 | |
| 4532 | 116 retval.make_unique (); |
| 117 | |
| 118 retval.dimensions = new_dimensions; | |
| 119 } | |
| 120 | |
| 121 return retval; | |
| 122 } | |
| 123 | |
| 6674 | 124 // KLUGE |
| 125 | |
| 126 // The following get_size functions will throw a std::bad_alloc () | |
| 127 // exception if the requested size is larger than can be indexed by | |
| 128 // octave_idx_type. This may be smaller than the actual amount of | |
| 129 // memory that can be safely allocated on a system. However, if we | |
| 130 // don't fail here, we can end up with a mysterious crash inside a | |
| 131 // function that is iterating over an array using octave_idx_type | |
| 132 // indices. | |
| 133 | |
| 4513 | 134 // A guess (should be quite conservative). |
| 135 #define MALLOC_OVERHEAD 1024 | |
| 136 | |
| 137 template <class T> | |
| 5275 | 138 octave_idx_type |
| 139 Array<T>::get_size (octave_idx_type r, octave_idx_type c) | |
| 4513 | 140 { |
| 141 static int nl; | |
| 142 static double dl | |
| 5275 | 143 = frexp (static_cast<double> |
| 144 (std::numeric_limits<octave_idx_type>::max() - MALLOC_OVERHEAD) / sizeof (T), &nl); | |
| 4513 | 145 |
| 146 int nr, nc; | |
| 5275 | 147 double dr = frexp (static_cast<double> (r), &nr); // r = dr * 2^nr |
| 148 double dc = frexp (static_cast<double> (c), &nc); // c = dc * 2^nc | |
| 4513 | 149 |
| 150 int nt = nr + nc; | |
| 151 double dt = dr * dc; | |
| 152 | |
| 4532 | 153 if (dt < 0.5) |
| 4513 | 154 { |
| 155 nt--; | |
| 156 dt *= 2; | |
| 157 } | |
| 158 | |
| 6674 | 159 if (nt < nl || (nt == nl && dt < dl)) |
| 160 return r * c; | |
| 161 else | |
| 162 { | |
| 163 throw std::bad_alloc (); | |
| 164 return 0; | |
| 165 } | |
| 237 | 166 } |
| 167 | |
| 168 template <class T> | |
| 5275 | 169 octave_idx_type |
| 170 Array<T>::get_size (octave_idx_type r, octave_idx_type c, octave_idx_type p) | |
| 237 | 171 { |
| 4513 | 172 static int nl; |
| 173 static double dl | |
| 174 = frexp (static_cast<double> | |
| 5275 | 175 (std::numeric_limits<octave_idx_type>::max() - MALLOC_OVERHEAD) / sizeof (T), &nl); |
| 4513 | 176 |
| 177 int nr, nc, np; | |
| 178 double dr = frexp (static_cast<double> (r), &nr); | |
| 179 double dc = frexp (static_cast<double> (c), &nc); | |
| 180 double dp = frexp (static_cast<double> (p), &np); | |
| 181 | |
| 182 int nt = nr + nc + np; | |
| 183 double dt = dr * dc * dp; | |
| 184 | |
| 4532 | 185 if (dt < 0.5) |
| 659 | 186 { |
| 4513 | 187 nt--; |
| 188 dt *= 2; | |
| 237 | 189 |
| 4532 | 190 if (dt < 0.5) |
| 191 { | |
| 192 nt--; | |
| 193 dt *= 2; | |
| 194 } | |
| 659 | 195 } |
| 1619 | 196 |
| 6674 | 197 if (nt < nl || (nt == nl && dt < dl)) |
| 198 return r * c * p; | |
| 199 else | |
| 200 { | |
| 201 throw std::bad_alloc (); | |
| 202 return 0; | |
| 203 } | |
| 237 | 204 } |
| 205 | |
| 206 template <class T> | |
| 5275 | 207 octave_idx_type |
| 4513 | 208 Array<T>::get_size (const dim_vector& ra_idx) |
| 237 | 209 { |
| 4513 | 210 static int nl; |
| 211 static double dl | |
| 212 = frexp (static_cast<double> | |
| 5275 | 213 (std::numeric_limits<octave_idx_type>::max() - MALLOC_OVERHEAD) / sizeof (T), &nl); |
| 4513 | 214 |
| 215 int n = ra_idx.length (); | |
| 216 | |
| 217 int nt = 0; | |
| 218 double dt = 1; | |
| 219 | |
| 220 for (int i = 0; i < n; i++) | |
| 237 | 221 { |
| 4513 | 222 int nra_idx; |
| 223 double dra_idx = frexp (static_cast<double> (ra_idx(i)), &nra_idx); | |
| 224 | |
| 225 nt += nra_idx; | |
| 226 dt *= dra_idx; | |
| 4532 | 227 |
| 228 if (dt < 0.5) | |
| 229 { | |
| 230 nt--; | |
| 231 dt *= 2; | |
| 232 } | |
| 237 | 233 } |
| 234 | |
| 4513 | 235 if (nt < nl || (nt == nl && dt < dl)) |
| 236 { | |
| 6674 | 237 octave_idx_type retval = 1; |
| 4513 | 238 |
| 239 for (int i = 0; i < n; i++) | |
| 240 retval *= ra_idx(i); | |
| 6674 | 241 |
| 242 return retval; | |
| 4513 | 243 } |
| 6674 | 244 else |
| 245 { | |
| 246 throw std::bad_alloc (); | |
| 247 return 0; | |
| 248 } | |
| 237 | 249 } |
| 250 | |
| 4513 | 251 #undef MALLOC_OVERHEAD |
| 252 | |
| 237 | 253 template <class T> |
| 5275 | 254 octave_idx_type |
| 255 Array<T>::compute_index (const Array<octave_idx_type>& ra_idx) const | |
| 237 | 256 { |
| 5275 | 257 octave_idx_type retval = -1; |
| 4513 | 258 |
| 259 int n = dimensions.length (); | |
| 260 | |
| 261 if (n > 0 && n == ra_idx.length ()) | |
| 237 | 262 { |
| 4513 | 263 retval = ra_idx(--n); |
| 237 | 264 |
| 4513 | 265 while (--n >= 0) |
| 266 { | |
| 267 retval *= dimensions(n); | |
| 268 retval += ra_idx(n); | |
| 269 } | |
| 270 } | |
| 271 else | |
| 272 (*current_liboctave_error_handler) | |
| 273 ("Array<T>::compute_index: invalid ra_idxing operation"); | |
| 237 | 274 |
| 4513 | 275 return retval; |
| 237 | 276 } |
| 277 | |
| 2049 | 278 template <class T> |
| 279 T | |
| 5275 | 280 Array<T>::range_error (const char *fcn, octave_idx_type n) const |
| 2049 | 281 { |
| 2109 | 282 (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n); |
| 2049 | 283 return T (); |
| 284 } | |
| 285 | |
| 286 template <class T> | |
| 287 T& | |
| 5275 | 288 Array<T>::range_error (const char *fcn, octave_idx_type n) |
| 2049 | 289 { |
| 2109 | 290 (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n); |
| 2049 | 291 static T foo; |
| 292 return foo; | |
| 293 } | |
| 294 | |
| 3933 | 295 template <class T> |
| 4513 | 296 T |
| 5275 | 297 Array<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j) const |
| 4513 | 298 { |
| 299 (*current_liboctave_error_handler) | |
| 300 ("%s (%d, %d): range error", fcn, i, j); | |
| 301 return T (); | |
| 302 } | |
| 303 | |
| 304 template <class T> | |
| 305 T& | |
| 5275 | 306 Array<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j) |
| 4513 | 307 { |
| 308 (*current_liboctave_error_handler) | |
| 309 ("%s (%d, %d): range error", fcn, i, j); | |
| 310 static T foo; | |
| 311 return foo; | |
| 312 } | |
| 313 | |
| 314 template <class T> | |
| 315 T | |
| 5275 | 316 Array<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j, octave_idx_type k) const |
| 4513 | 317 { |
| 318 (*current_liboctave_error_handler) | |
| 319 ("%s (%d, %d, %d): range error", fcn, i, j, k); | |
| 320 return T (); | |
| 321 } | |
| 322 | |
| 323 template <class T> | |
| 324 T& | |
| 5275 | 325 Array<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j, octave_idx_type k) |
| 4513 | 326 { |
| 327 (*current_liboctave_error_handler) | |
| 328 ("%s (%d, %d, %d): range error", fcn, i, j, k); | |
| 329 static T foo; | |
| 330 return foo; | |
| 331 } | |
| 332 | |
| 333 template <class T> | |
| 334 T | |
| 6867 | 335 Array<T>::range_error (const char *fcn, const Array<octave_idx_type>& ra_idx) const |
| 4513 | 336 { |
| 5765 | 337 std::ostringstream buf; |
| 4661 | 338 |
| 339 buf << fcn << " ("; | |
| 340 | |
| 5275 | 341 octave_idx_type n = ra_idx.length (); |
| 4661 | 342 |
| 343 if (n > 0) | |
| 344 buf << ra_idx(0); | |
| 345 | |
| 5275 | 346 for (octave_idx_type i = 1; i < n; i++) |
| 4661 | 347 buf << ", " << ra_idx(i); |
| 348 | |
| 349 buf << "): range error"; | |
| 350 | |
| 5765 | 351 std::string buf_str = buf.str (); |
| 352 | |
| 353 (*current_liboctave_error_handler) (buf_str.c_str ()); | |
| 4513 | 354 |
| 355 return T (); | |
| 356 } | |
| 357 | |
| 358 template <class T> | |
| 359 T& | |
| 6867 | 360 Array<T>::range_error (const char *fcn, const Array<octave_idx_type>& ra_idx) |
| 4513 | 361 { |
| 5765 | 362 std::ostringstream buf; |
| 4661 | 363 |
| 364 buf << fcn << " ("; | |
| 365 | |
| 5275 | 366 octave_idx_type n = ra_idx.length (); |
| 4661 | 367 |
| 368 if (n > 0) | |
| 369 buf << ra_idx(0); | |
| 370 | |
| 5275 | 371 for (octave_idx_type i = 1; i < n; i++) |
| 4661 | 372 buf << ", " << ra_idx(i); |
| 373 | |
| 374 buf << "): range error"; | |
| 375 | |
| 5765 | 376 std::string buf_str = buf.str (); |
| 377 | |
| 378 (*current_liboctave_error_handler) (buf_str.c_str ()); | |
| 4513 | 379 |
| 380 static T foo; | |
| 381 return foo; | |
| 382 } | |
| 383 | |
| 384 template <class T> | |
| 4567 | 385 Array<T> |
| 386 Array<T>::reshape (const dim_vector& new_dims) const | |
| 387 { | |
| 388 Array<T> retval; | |
| 389 | |
| 390 if (dimensions != new_dims) | |
| 391 { | |
| 392 if (dimensions.numel () == new_dims.numel ()) | |
| 393 retval = Array<T> (*this, new_dims); | |
| 394 else | |
| 395 (*current_liboctave_error_handler) ("reshape: size mismatch"); | |
| 396 } | |
| 4916 | 397 else |
| 398 retval = *this; | |
| 4567 | 399 |
| 400 return retval; | |
| 401 } | |
| 402 | |
| 7241 | 403 |
| 5607 | 404 |
| 4567 | 405 template <class T> |
| 4593 | 406 Array<T> |
| 5607 | 407 Array<T>::permute (const Array<octave_idx_type>& perm_vec_arg, bool inv) const |
| 4593 | 408 { |
| 409 Array<T> retval; | |
| 410 | |
| 5607 | 411 Array<octave_idx_type> perm_vec = perm_vec_arg; |
| 412 | |
| 4593 | 413 dim_vector dv = dims (); |
| 414 dim_vector dv_new; | |
| 415 | |
| 5148 | 416 int perm_vec_len = perm_vec.length (); |
| 417 | |
| 418 if (perm_vec_len < dv.length ()) | |
| 419 (*current_liboctave_error_handler) | |
| 420 ("%s: invalid permutation vector", inv ? "ipermute" : "permute"); | |
| 421 | |
| 422 dv_new.resize (perm_vec_len); | |
| 423 | |
| 424 // Append singleton dimensions as needed. | |
| 425 dv.resize (perm_vec_len, 1); | |
| 426 | |
| 4593 | 427 // Need this array to check for identical elements in permutation array. |
| 5148 | 428 Array<bool> checked (perm_vec_len, false); |
| 4593 | 429 |
| 430 // Find dimension vector of permuted array. | |
| 5148 | 431 for (int i = 0; i < perm_vec_len; i++) |
| 4593 | 432 { |
| 5275 | 433 octave_idx_type perm_elt = perm_vec.elem (i); |
| 5148 | 434 |
| 435 if (perm_elt >= perm_vec_len || perm_elt < 0) | |
| 4593 | 436 { |
| 437 (*current_liboctave_error_handler) | |
| 5148 | 438 ("%s: permutation vector contains an invalid element", |
| 439 inv ? "ipermute" : "permute"); | |
| 4593 | 440 |
| 441 return retval; | |
| 442 } | |
| 443 | |
| 5148 | 444 if (checked.elem(perm_elt)) |
| 4593 | 445 { |
| 446 (*current_liboctave_error_handler) | |
| 5148 | 447 ("%s: permutation vector cannot contain identical elements", |
| 448 inv ? "ipermute" : "permute"); | |
| 4593 | 449 |
| 450 return retval; | |
| 451 } | |
| 452 else | |
| 5148 | 453 checked.elem(perm_elt) = true; |
| 454 | |
| 455 dv_new(i) = dv(perm_elt); | |
| 4593 | 456 } |
| 457 | |
| 5607 | 458 int nd = dv.length (); |
| 459 | |
| 5775 | 460 // FIXME -- it would be nice to have a sort method in the |
| 5607 | 461 // Array class that also returns the sort indices. |
| 462 | |
| 463 if (inv) | |
| 464 { | |
| 465 OCTAVE_LOCAL_BUFFER (permute_vector, pvec, nd); | |
| 466 | |
| 467 for (int i = 0; i < nd; i++) | |
| 468 { | |
| 469 pvec[i].pidx = perm_vec(i); | |
| 470 pvec[i].iidx = i; | |
| 471 } | |
| 472 | |
| 473 octave_qsort (pvec, static_cast<size_t> (nd), | |
| 474 sizeof (permute_vector), permute_vector_compare); | |
| 475 | |
| 476 for (int i = 0; i < nd; i++) | |
| 477 { | |
| 478 perm_vec(i) = pvec[i].iidx; | |
| 479 dv_new(i) = dv(perm_vec(i)); | |
| 480 } | |
| 481 } | |
| 482 | |
| 4593 | 483 retval.resize (dv_new); |
| 484 | |
| 5940 | 485 if (numel () > 0) |
| 5607 | 486 { |
| 5940 | 487 Array<octave_idx_type> cp (nd+1, 1); |
| 488 for (octave_idx_type i = 1; i < nd+1; i++) | |
| 489 cp(i) = cp(i-1) * dv(i-1); | |
| 490 | |
| 491 octave_idx_type incr = cp(perm_vec(0)); | |
| 492 | |
| 493 Array<octave_idx_type> base_delta (nd-1, 0); | |
| 494 Array<octave_idx_type> base_delta_max (nd-1); | |
| 495 Array<octave_idx_type> base_incr (nd-1); | |
| 496 for (octave_idx_type i = 0; i < nd-1; i++) | |
| 5607 | 497 { |
| 5940 | 498 base_delta_max(i) = dv_new(i+1); |
| 499 base_incr(i) = cp(perm_vec(i+1)); | |
| 5607 | 500 } |
| 501 | |
| 5940 | 502 octave_idx_type nr_new = dv_new(0); |
| 503 octave_idx_type nel_new = dv_new.numel (); | |
| 504 octave_idx_type n = nel_new / nr_new; | |
| 505 | |
| 506 octave_idx_type k = 0; | |
| 507 | |
| 508 for (octave_idx_type i = 0; i < n; i++) | |
| 5607 | 509 { |
| 5940 | 510 octave_idx_type iidx = 0; |
| 511 for (octave_idx_type kk = 0; kk < nd-1; kk++) | |
| 512 iidx += base_delta(kk) * base_incr(kk); | |
| 513 | |
| 514 for (octave_idx_type j = 0; j < nr_new; j++) | |
| 5607 | 515 { |
| 5940 | 516 OCTAVE_QUIT; |
| 517 | |
| 518 retval(k++) = elem(iidx); | |
| 519 iidx += incr; | |
| 520 } | |
| 521 | |
| 522 base_delta(0)++; | |
| 523 | |
| 524 for (octave_idx_type kk = 0; kk < nd-2; kk++) | |
| 525 { | |
| 526 if (base_delta(kk) == base_delta_max(kk)) | |
| 527 { | |
| 528 base_delta(kk) = 0; | |
| 529 base_delta(kk+1)++; | |
| 530 } | |
| 5607 | 531 } |
| 532 } | |
| 4593 | 533 } |
| 534 | |
| 5340 | 535 retval.chop_trailing_singletons (); |
| 5338 | 536 |
| 4593 | 537 return retval; |
| 538 } | |
| 539 | |
| 540 template <class T> | |
| 4513 | 541 void |
| 5275 | 542 Array<T>::resize_no_fill (octave_idx_type n) |
| 4513 | 543 { |
| 544 if (n < 0) | |
| 545 { | |
| 546 (*current_liboctave_error_handler) | |
| 547 ("can't resize to negative dimension"); | |
| 548 return; | |
| 549 } | |
| 550 | |
| 551 if (n == length ()) | |
| 552 return; | |
| 553 | |
| 554 typename Array<T>::ArrayRep *old_rep = rep; | |
| 555 const T *old_data = data (); | |
| 5275 | 556 octave_idx_type old_len = length (); |
| 4513 | 557 |
| 558 rep = new typename Array<T>::ArrayRep (n); | |
| 559 | |
| 560 dimensions = dim_vector (n); | |
| 561 | |
| 4747 | 562 if (n > 0 && old_data && old_len > 0) |
| 4513 | 563 { |
| 5275 | 564 octave_idx_type min_len = old_len < n ? old_len : n; |
| 565 | |
| 566 for (octave_idx_type i = 0; i < min_len; i++) | |
| 4513 | 567 xelem (i) = old_data[i]; |
| 568 } | |
| 569 | |
| 570 if (--old_rep->count <= 0) | |
| 571 delete old_rep; | |
| 572 } | |
| 573 | |
| 574 template <class T> | |
| 575 void | |
| 4587 | 576 Array<T>::resize_no_fill (const dim_vector& dv) |
| 4513 | 577 { |
| 5275 | 578 octave_idx_type n = dv.length (); |
| 579 | |
| 580 for (octave_idx_type i = 0; i < n; i++) | |
| 4513 | 581 { |
| 4587 | 582 if (dv(i) < 0) |
| 4513 | 583 { |
| 584 (*current_liboctave_error_handler) | |
| 585 ("can't resize to negative dimension"); | |
| 586 return; | |
| 587 } | |
| 588 } | |
| 589 | |
| 4548 | 590 bool same_size = true; |
| 591 | |
| 592 if (dimensions.length () != n) | |
| 593 { | |
| 594 same_size = false; | |
| 595 } | |
| 596 else | |
| 4513 | 597 { |
| 5275 | 598 for (octave_idx_type i = 0; i < n; i++) |
| 4513 | 599 { |
| 4587 | 600 if (dv(i) != dimensions(i)) |
| 4548 | 601 { |
| 602 same_size = false; | |
| 603 break; | |
| 604 } | |
| 4513 | 605 } |
| 606 } | |
| 607 | |
| 4548 | 608 if (same_size) |
| 4513 | 609 return; |
| 610 | |
| 611 typename Array<T>::ArrayRep *old_rep = rep; | |
| 612 const T *old_data = data (); | |
| 613 | |
| 5275 | 614 octave_idx_type ts = get_size (dv); |
| 4747 | 615 |
| 616 rep = new typename Array<T>::ArrayRep (ts); | |
| 4587 | 617 |
| 4870 | 618 dim_vector dv_old = dimensions; |
| 5275 | 619 octave_idx_type dv_old_orig_len = dv_old.length (); |
| 4587 | 620 dimensions = dv; |
| 5275 | 621 octave_idx_type ts_old = get_size (dv_old); |
| 4915 | 622 |
| 623 if (ts > 0 && ts_old > 0 && dv_old_orig_len > 0) | |
| 4513 | 624 { |
| 5275 | 625 Array<octave_idx_type> ra_idx (dimensions.length (), 0); |
| 4747 | 626 |
| 4870 | 627 if (n > dv_old_orig_len) |
| 4747 | 628 { |
| 4870 | 629 dv_old.resize (n); |
| 630 | |
| 5275 | 631 for (octave_idx_type i = dv_old_orig_len; i < n; i++) |
| 4870 | 632 dv_old.elem (i) = 1; |
| 633 } | |
| 634 | |
| 5275 | 635 for (octave_idx_type i = 0; i < ts; i++) |
| 4870 | 636 { |
| 637 if (index_in_bounds (ra_idx, dv_old)) | |
| 638 rep->elem (i) = old_data[get_scalar_idx (ra_idx, dv_old)]; | |
| 4747 | 639 |
| 640 increment_index (ra_idx, dimensions); | |
| 641 } | |
| 4513 | 642 } |
| 643 | |
| 644 if (--old_rep->count <= 0) | |
| 645 delete old_rep; | |
| 646 } | |
| 647 | |
| 648 template <class T> | |
| 649 void | |
| 5275 | 650 Array<T>::resize_no_fill (octave_idx_type r, octave_idx_type c) |
| 4513 | 651 { |
| 652 if (r < 0 || c < 0) | |
| 653 { | |
| 654 (*current_liboctave_error_handler) | |
| 655 ("can't resize to negative dimension"); | |
| 656 return; | |
| 657 } | |
| 658 | |
| 4548 | 659 int n = ndims (); |
| 660 | |
| 661 if (n == 0) | |
| 662 dimensions = dim_vector (0, 0); | |
| 663 | |
| 664 assert (ndims () == 2); | |
| 665 | |
| 4513 | 666 if (r == dim1 () && c == dim2 ()) |
| 667 return; | |
| 668 | |
| 669 typename Array<T>::ArrayRep *old_rep = Array<T>::rep; | |
| 670 const T *old_data = data (); | |
| 671 | |
| 5275 | 672 octave_idx_type old_d1 = dim1 (); |
| 673 octave_idx_type old_d2 = dim2 (); | |
| 674 octave_idx_type old_len = length (); | |
| 675 | |
| 676 octave_idx_type ts = get_size (r, c); | |
| 4747 | 677 |
| 678 rep = new typename Array<T>::ArrayRep (ts); | |
| 4513 | 679 |
| 680 dimensions = dim_vector (r, c); | |
| 681 | |
| 4747 | 682 if (ts > 0 && old_data && old_len > 0) |
| 4513 | 683 { |
| 5275 | 684 octave_idx_type min_r = old_d1 < r ? old_d1 : r; |
| 685 octave_idx_type min_c = old_d2 < c ? old_d2 : c; | |
| 686 | |
| 687 for (octave_idx_type j = 0; j < min_c; j++) | |
| 688 for (octave_idx_type i = 0; i < min_r; i++) | |
| 4513 | 689 xelem (i, j) = old_data[old_d1*j+i]; |
| 690 } | |
| 691 | |
| 692 if (--old_rep->count <= 0) | |
| 693 delete old_rep; | |
| 694 } | |
| 695 | |
| 696 template <class T> | |
| 697 void | |
| 5275 | 698 Array<T>::resize_no_fill (octave_idx_type r, octave_idx_type c, octave_idx_type p) |
| 4513 | 699 { |
| 700 if (r < 0 || c < 0 || p < 0) | |
| 701 { | |
| 702 (*current_liboctave_error_handler) | |
| 703 ("can't resize to negative dimension"); | |
| 704 return; | |
| 705 } | |
| 706 | |
| 4548 | 707 int n = ndims (); |
| 708 | |
| 709 if (n == 0) | |
| 710 dimensions = dim_vector (0, 0, 0); | |
| 711 | |
| 712 assert (ndims () == 3); | |
| 713 | |
| 4513 | 714 if (r == dim1 () && c == dim2 () && p == dim3 ()) |
| 715 return; | |
| 716 | |
| 717 typename Array<T>::ArrayRep *old_rep = rep; | |
| 718 const T *old_data = data (); | |
| 719 | |
| 5275 | 720 octave_idx_type old_d1 = dim1 (); |
| 721 octave_idx_type old_d2 = dim2 (); | |
| 722 octave_idx_type old_d3 = dim3 (); | |
| 723 octave_idx_type old_len = length (); | |
| 724 | |
| 725 octave_idx_type ts = get_size (get_size (r, c), p); | |
| 4513 | 726 |
| 727 rep = new typename Array<T>::ArrayRep (ts); | |
| 728 | |
| 729 dimensions = dim_vector (r, c, p); | |
| 730 | |
| 4747 | 731 if (ts > 0 && old_data && old_len > 0) |
| 4513 | 732 { |
| 5275 | 733 octave_idx_type min_r = old_d1 < r ? old_d1 : r; |
| 734 octave_idx_type min_c = old_d2 < c ? old_d2 : c; | |
| 735 octave_idx_type min_p = old_d3 < p ? old_d3 : p; | |
| 736 | |
| 737 for (octave_idx_type k = 0; k < min_p; k++) | |
| 738 for (octave_idx_type j = 0; j < min_c; j++) | |
| 739 for (octave_idx_type i = 0; i < min_r; i++) | |
| 4513 | 740 xelem (i, j, k) = old_data[old_d1*(old_d2*k+j)+i]; |
| 741 } | |
| 742 | |
| 743 if (--old_rep->count <= 0) | |
| 744 delete old_rep; | |
| 745 } | |
| 746 | |
| 747 template <class T> | |
| 748 void | |
| 5275 | 749 Array<T>::resize_and_fill (octave_idx_type n, const T& val) |
| 4513 | 750 { |
| 751 if (n < 0) | |
| 752 { | |
| 753 (*current_liboctave_error_handler) | |
| 754 ("can't resize to negative dimension"); | |
| 755 return; | |
| 756 } | |
| 757 | |
| 758 if (n == length ()) | |
| 759 return; | |
| 760 | |
| 761 typename Array<T>::ArrayRep *old_rep = rep; | |
| 762 const T *old_data = data (); | |
| 5275 | 763 octave_idx_type old_len = length (); |
| 4513 | 764 |
| 765 rep = new typename Array<T>::ArrayRep (n); | |
| 766 | |
| 767 dimensions = dim_vector (n); | |
| 768 | |
| 4747 | 769 if (n > 0) |
| 4513 | 770 { |
| 5275 | 771 octave_idx_type min_len = old_len < n ? old_len : n; |
| 4747 | 772 |
| 773 if (old_data && old_len > 0) | |
| 774 { | |
| 5275 | 775 for (octave_idx_type i = 0; i < min_len; i++) |
| 4747 | 776 xelem (i) = old_data[i]; |
| 777 } | |
| 778 | |
| 5275 | 779 for (octave_idx_type i = old_len; i < n; i++) |
| 4747 | 780 xelem (i) = val; |
| 4513 | 781 } |
| 782 | |
| 783 if (--old_rep->count <= 0) | |
| 784 delete old_rep; | |
| 785 } | |
| 786 | |
| 787 template <class T> | |
| 788 void | |
| 5275 | 789 Array<T>::resize_and_fill (octave_idx_type r, octave_idx_type c, const T& val) |
| 4513 | 790 { |
| 791 if (r < 0 || c < 0) | |
| 792 { | |
| 793 (*current_liboctave_error_handler) | |
| 794 ("can't resize to negative dimension"); | |
| 795 return; | |
| 796 } | |
| 797 | |
| 4548 | 798 if (ndims () == 0) |
| 799 dimensions = dim_vector (0, 0); | |
| 800 | |
| 801 assert (ndims () == 2); | |
| 802 | |
| 4513 | 803 if (r == dim1 () && c == dim2 ()) |
| 804 return; | |
| 805 | |
| 806 typename Array<T>::ArrayRep *old_rep = Array<T>::rep; | |
| 807 const T *old_data = data (); | |
| 808 | |
| 5275 | 809 octave_idx_type old_d1 = dim1 (); |
| 810 octave_idx_type old_d2 = dim2 (); | |
| 811 octave_idx_type old_len = length (); | |
| 812 | |
| 813 octave_idx_type ts = get_size (r, c); | |
| 4747 | 814 |
| 815 rep = new typename Array<T>::ArrayRep (ts); | |
| 4513 | 816 |
| 817 dimensions = dim_vector (r, c); | |
| 818 | |
| 4747 | 819 if (ts > 0) |
| 4513 | 820 { |
| 5275 | 821 octave_idx_type min_r = old_d1 < r ? old_d1 : r; |
| 822 octave_idx_type min_c = old_d2 < c ? old_d2 : c; | |
| 4747 | 823 |
| 824 if (old_data && old_len > 0) | |
| 825 { | |
| 5275 | 826 for (octave_idx_type j = 0; j < min_c; j++) |
| 827 for (octave_idx_type i = 0; i < min_r; i++) | |
| 4747 | 828 xelem (i, j) = old_data[old_d1*j+i]; |
| 829 } | |
| 830 | |
| 5275 | 831 for (octave_idx_type j = 0; j < min_c; j++) |
| 832 for (octave_idx_type i = min_r; i < r; i++) | |
| 4747 | 833 xelem (i, j) = val; |
| 834 | |
| 5275 | 835 for (octave_idx_type j = min_c; j < c; j++) |
| 836 for (octave_idx_type i = 0; i < r; i++) | |
| 4747 | 837 xelem (i, j) = val; |
| 4513 | 838 } |
| 839 | |
| 840 if (--old_rep->count <= 0) | |
| 841 delete old_rep; | |
| 842 } | |
| 843 | |
| 844 template <class T> | |
| 845 void | |
| 5275 | 846 Array<T>::resize_and_fill (octave_idx_type r, octave_idx_type c, octave_idx_type p, const T& val) |
| 4513 | 847 { |
| 848 if (r < 0 || c < 0 || p < 0) | |
| 849 { | |
| 850 (*current_liboctave_error_handler) | |
| 851 ("can't resize to negative dimension"); | |
| 852 return; | |
| 853 } | |
| 854 | |
| 4548 | 855 if (ndims () == 0) |
| 856 dimensions = dim_vector (0, 0, 0); | |
| 857 | |
| 858 assert (ndims () == 3); | |
| 859 | |
| 4513 | 860 if (r == dim1 () && c == dim2 () && p == dim3 ()) |
| 861 return; | |
| 862 | |
| 863 typename Array<T>::ArrayRep *old_rep = rep; | |
| 864 const T *old_data = data (); | |
| 865 | |
| 5275 | 866 octave_idx_type old_d1 = dim1 (); |
| 867 octave_idx_type old_d2 = dim2 (); | |
| 868 octave_idx_type old_d3 = dim3 (); | |
| 869 | |
| 870 octave_idx_type old_len = length (); | |
| 871 | |
| 872 octave_idx_type ts = get_size (get_size (r, c), p); | |
| 4513 | 873 |
| 874 rep = new typename Array<T>::ArrayRep (ts); | |
| 875 | |
| 876 dimensions = dim_vector (r, c, p); | |
| 877 | |
| 4747 | 878 if (ts > 0) |
| 879 { | |
| 5275 | 880 octave_idx_type min_r = old_d1 < r ? old_d1 : r; |
| 881 octave_idx_type min_c = old_d2 < c ? old_d2 : c; | |
| 882 octave_idx_type min_p = old_d3 < p ? old_d3 : p; | |
| 4747 | 883 |
| 884 if (old_data && old_len > 0) | |
| 5275 | 885 for (octave_idx_type k = 0; k < min_p; k++) |
| 886 for (octave_idx_type j = 0; j < min_c; j++) | |
| 887 for (octave_idx_type i = 0; i < min_r; i++) | |
| 4747 | 888 xelem (i, j, k) = old_data[old_d1*(old_d2*k+j)+i]; |
| 889 | |
| 5775 | 890 // FIXME -- if the copy constructor is expensive, this |
| 4747 | 891 // may win. Otherwise, it may make more sense to just copy the |
| 892 // value everywhere when making the new ArrayRep. | |
| 893 | |
| 5275 | 894 for (octave_idx_type k = 0; k < min_p; k++) |
| 895 for (octave_idx_type j = min_c; j < c; j++) | |
| 896 for (octave_idx_type i = 0; i < min_r; i++) | |
| 4747 | 897 xelem (i, j, k) = val; |
| 898 | |
| 5275 | 899 for (octave_idx_type k = 0; k < min_p; k++) |
| 900 for (octave_idx_type j = 0; j < c; j++) | |
| 901 for (octave_idx_type i = min_r; i < r; i++) | |
| 4747 | 902 xelem (i, j, k) = val; |
| 903 | |
| 5275 | 904 for (octave_idx_type k = min_p; k < p; k++) |
| 905 for (octave_idx_type j = 0; j < c; j++) | |
| 906 for (octave_idx_type i = 0; i < r; i++) | |
| 4747 | 907 xelem (i, j, k) = val; |
| 908 } | |
| 4513 | 909 |
| 910 if (--old_rep->count <= 0) | |
| 911 delete old_rep; | |
| 912 } | |
| 913 | |
| 914 template <class T> | |
| 915 void | |
| 4587 | 916 Array<T>::resize_and_fill (const dim_vector& dv, const T& val) |
| 4513 | 917 { |
| 5275 | 918 octave_idx_type n = dv.length (); |
| 919 | |
| 920 for (octave_idx_type i = 0; i < n; i++) | |
| 4513 | 921 { |
| 4587 | 922 if (dv(i) < 0) |
| 4513 | 923 { |
| 924 (*current_liboctave_error_handler) | |
| 925 ("can't resize to negative dimension"); | |
| 926 return; | |
| 927 } | |
| 928 } | |
| 929 | |
| 4553 | 930 bool same_size = true; |
| 931 | |
| 932 if (dimensions.length () != n) | |
| 933 { | |
| 934 same_size = false; | |
| 935 } | |
| 936 else | |
| 4513 | 937 { |
| 5275 | 938 for (octave_idx_type i = 0; i < n; i++) |
| 4513 | 939 { |
| 4587 | 940 if (dv(i) != dimensions(i)) |
| 4553 | 941 { |
| 942 same_size = false; | |
| 943 break; | |
| 944 } | |
| 4513 | 945 } |
| 946 } | |
| 947 | |
| 4553 | 948 if (same_size) |
| 4513 | 949 return; |
| 950 | |
| 951 typename Array<T>::ArrayRep *old_rep = rep; | |
| 952 const T *old_data = data (); | |
| 953 | |
| 5275 | 954 octave_idx_type len = get_size (dv); |
| 4709 | 955 |
| 4513 | 956 rep = new typename Array<T>::ArrayRep (len); |
| 957 | |
| 4707 | 958 dim_vector dv_old = dimensions; |
| 5275 | 959 octave_idx_type dv_old_orig_len = dv_old.length (); |
| 4587 | 960 dimensions = dv; |
| 4513 | 961 |
| 4870 | 962 if (len > 0 && dv_old_orig_len > 0) |
| 4513 | 963 { |
| 5275 | 964 Array<octave_idx_type> ra_idx (dimensions.length (), 0); |
| 4870 | 965 |
| 966 if (n > dv_old_orig_len) | |
| 967 { | |
| 968 dv_old.resize (n); | |
| 969 | |
| 5275 | 970 for (octave_idx_type i = dv_old_orig_len; i < n; i++) |
| 4870 | 971 dv_old.elem (i) = 1; |
| 972 } | |
| 4747 | 973 |
| 5275 | 974 for (octave_idx_type i = 0; i < len; i++) |
| 4747 | 975 { |
| 976 if (index_in_bounds (ra_idx, dv_old)) | |
| 4870 | 977 rep->elem (i) = old_data[get_scalar_idx (ra_idx, dv_old)]; |
| 978 else | |
| 979 rep->elem (i) = val; | |
| 980 | |
| 981 increment_index (ra_idx, dimensions); | |
| 4747 | 982 } |
| 4513 | 983 } |
| 4870 | 984 else |
| 5275 | 985 for (octave_idx_type i = 0; i < len; i++) |
| 4870 | 986 rep->elem (i) = val; |
| 4513 | 987 |
| 988 if (--old_rep->count <= 0) | |
| 989 delete old_rep; | |
| 990 } | |
| 991 | |
| 992 template <class T> | |
| 993 Array<T>& | |
| 5275 | 994 Array<T>::insert (const Array<T>& a, octave_idx_type r, octave_idx_type c) |
| 4513 | 995 { |
| 4786 | 996 if (ndims () == 2 && a.ndims () == 2) |
| 997 insert2 (a, r, c); | |
| 998 else | |
| 999 insertN (a, r, c); | |
| 1000 | |
| 1001 return *this; | |
| 1002 } | |
| 1003 | |
| 1004 | |
| 1005 template <class T> | |
| 1006 Array<T>& | |
| 5275 | 1007 Array<T>::insert2 (const Array<T>& a, octave_idx_type r, octave_idx_type c) |
| 4786 | 1008 { |
| 5275 | 1009 octave_idx_type a_rows = a.rows (); |
| 1010 octave_idx_type a_cols = a.cols (); | |
| 4786 | 1011 |
| 1012 if (r < 0 || r + a_rows > rows () || c < 0 || c + a_cols > cols ()) | |
| 1013 { | |
| 1014 (*current_liboctave_error_handler) ("range error for insert"); | |
| 1015 return *this; | |
| 1016 } | |
| 1017 | |
| 5275 | 1018 for (octave_idx_type j = 0; j < a_cols; j++) |
| 1019 for (octave_idx_type i = 0; i < a_rows; i++) | |
| 4786 | 1020 elem (r+i, c+j) = a.elem (i, j); |
| 1021 | |
| 1022 return *this; | |
| 1023 } | |
| 1024 | |
| 1025 template <class T> | |
| 1026 Array<T>& | |
| 5275 | 1027 Array<T>::insertN (const Array<T>& a, octave_idx_type r, octave_idx_type c) |
| 4786 | 1028 { |
| 4806 | 1029 dim_vector dv = dims (); |
| 1030 | |
| 4765 | 1031 dim_vector a_dv = a.dims (); |
| 1032 | |
| 1033 int n = a_dv.length (); | |
| 1034 | |
| 1035 if (n == dimensions.length ()) | |
| 4513 | 1036 { |
| 5275 | 1037 Array<octave_idx_type> a_ra_idx (a_dv.length (), 0); |
| 4765 | 1038 |
| 1039 a_ra_idx.elem (0) = r; | |
| 1040 a_ra_idx.elem (1) = c; | |
| 1041 | |
| 1042 for (int i = 0; i < n; i++) | |
| 1043 { | |
| 4806 | 1044 if (a_ra_idx(i) < 0 || (a_ra_idx(i) + a_dv(i)) > dv(i)) |
| 4765 | 1045 { |
| 1046 (*current_liboctave_error_handler) | |
| 1047 ("Array<T>::insert: range error for insert"); | |
| 1048 return *this; | |
| 1049 } | |
| 1050 } | |
| 1051 | |
| 5275 | 1052 octave_idx_type n_elt = a.numel (); |
| 4806 | 1053 |
| 1054 const T *a_data = a.data (); | |
| 1055 | |
| 5275 | 1056 octave_idx_type iidx = 0; |
| 4806 | 1057 |
| 5275 | 1058 octave_idx_type a_rows = a_dv(0); |
| 1059 | |
| 1060 octave_idx_type this_rows = dv(0); | |
| 4806 | 1061 |
| 5275 | 1062 octave_idx_type numel_page = a_dv(0) * a_dv(1); |
| 1063 | |
| 1064 octave_idx_type count_pages = 0; | |
| 4806 | 1065 |
| 5275 | 1066 for (octave_idx_type i = 0; i < n_elt; i++) |
| 4765 | 1067 { |
| 4806 | 1068 if (i != 0 && i % a_rows == 0) |
| 1069 iidx += (this_rows - a_rows); | |
| 1070 | |
| 1071 if (i % numel_page == 0) | |
| 1072 iidx = c * dv(0) + r + dv(0) * dv(1) * count_pages++; | |
| 1073 | |
| 1074 elem (iidx++) = a_data[i]; | |
| 4765 | 1075 } |
| 4513 | 1076 } |
| 4765 | 1077 else |
| 1078 (*current_liboctave_error_handler) | |
| 1079 ("Array<T>::insert: invalid indexing operation"); | |
| 4513 | 1080 |
| 1081 return *this; | |
| 1082 } | |
| 1083 | |
| 1084 template <class T> | |
| 1085 Array<T>& | |
| 5275 | 1086 Array<T>::insert (const Array<T>& a, const Array<octave_idx_type>& ra_idx) |
| 4513 | 1087 { |
| 5275 | 1088 octave_idx_type n = ra_idx.length (); |
| 4513 | 1089 |
| 1090 if (n == dimensions.length ()) | |
| 1091 { | |
| 4915 | 1092 dim_vector dva = a.dims (); |
| 1093 dim_vector dv = dims (); | |
| 1094 int len_a = dva.length (); | |
| 5120 | 1095 int non_full_dim = 0; |
| 4513 | 1096 |
| 5275 | 1097 for (octave_idx_type i = 0; i < n; i++) |
| 4513 | 1098 { |
| 4915 | 1099 if (ra_idx(i) < 0 || (ra_idx(i) + |
| 1100 (i < len_a ? dva(i) : 1)) > dimensions(i)) | |
| 4513 | 1101 { |
| 1102 (*current_liboctave_error_handler) | |
| 1103 ("Array<T>::insert: range error for insert"); | |
| 1104 return *this; | |
| 1105 } | |
| 5120 | 1106 |
| 1107 if (dv(i) != (i < len_a ? dva(i) : 1)) | |
| 1108 non_full_dim++; | |
| 4513 | 1109 } |
| 1110 | |
| 4915 | 1111 if (dva.numel ()) |
| 1112 { | |
| 5120 | 1113 if (non_full_dim < 2) |
| 4915 | 1114 { |
| 5120 | 1115 // Special case for fast concatenation |
| 1116 const T *a_data = a.data (); | |
| 5275 | 1117 octave_idx_type numel_to_move = 1; |
| 1118 octave_idx_type skip = 0; | |
| 5120 | 1119 for (int i = 0; i < len_a; i++) |
| 1120 if (ra_idx(i) == 0 && dva(i) == dv(i)) | |
| 1121 numel_to_move *= dva(i); | |
| 1122 else | |
| 1123 { | |
| 1124 skip = numel_to_move * (dv(i) - dva(i)); | |
| 1125 numel_to_move *= dva(i); | |
| 1126 break; | |
| 1127 } | |
| 1128 | |
| 5275 | 1129 octave_idx_type jidx = ra_idx(n-1); |
| 5120 | 1130 for (int i = n-2; i >= 0; i--) |
| 1131 { | |
| 1132 jidx *= dv(i); | |
| 1133 jidx += ra_idx(i); | |
| 1134 } | |
| 1135 | |
| 5275 | 1136 octave_idx_type iidx = 0; |
| 1137 octave_idx_type moves = dva.numel () / numel_to_move; | |
| 1138 for (octave_idx_type i = 0; i < moves; i++) | |
| 5120 | 1139 { |
| 5275 | 1140 for (octave_idx_type j = 0; j < numel_to_move; j++) |
| 5120 | 1141 elem (jidx++) = a_data[iidx++]; |
| 1142 jidx += skip; | |
| 1143 } | |
| 4915 | 1144 } |
| 5120 | 1145 else |
| 4915 | 1146 { |
| 5120 | 1147 // Generic code |
| 1148 const T *a_data = a.data (); | |
| 1149 int nel = a.numel (); | |
| 5275 | 1150 Array<octave_idx_type> a_idx (n, 0); |
| 5120 | 1151 |
| 1152 for (int i = 0; i < nel; i++) | |
| 1153 { | |
| 1154 int iidx = a_idx(n-1) + ra_idx(n-1); | |
| 1155 for (int j = n-2; j >= 0; j--) | |
| 1156 { | |
| 1157 iidx *= dv(j); | |
| 1158 iidx += a_idx(j) + ra_idx(j); | |
| 1159 } | |
| 1160 | |
| 1161 elem (iidx) = a_data[i]; | |
| 1162 | |
| 1163 increment_index (a_idx, dva); | |
| 1164 } | |
| 4915 | 1165 } |
| 1166 } | |
| 4513 | 1167 } |
| 1168 else | |
| 1169 (*current_liboctave_error_handler) | |
| 1170 ("Array<T>::insert: invalid indexing operation"); | |
| 1171 | |
| 1172 return *this; | |
| 1173 } | |
| 1174 | |
| 1175 template <class T> | |
| 1176 Array<T> | |
| 1177 Array<T>::transpose (void) const | |
| 1178 { | |
| 4548 | 1179 assert (ndims () == 2); |
| 1180 | |
| 5275 | 1181 octave_idx_type nr = dim1 (); |
| 1182 octave_idx_type nc = dim2 (); | |
| 4513 | 1183 |
| 1184 if (nr > 1 && nc > 1) | |
| 1185 { | |
| 1186 Array<T> result (dim_vector (nc, nr)); | |
| 1187 | |
| 5275 | 1188 for (octave_idx_type j = 0; j < nc; j++) |
| 1189 for (octave_idx_type i = 0; i < nr; i++) | |
| 4513 | 1190 result.xelem (j, i) = xelem (i, j); |
| 1191 | |
| 1192 return result; | |
| 1193 } | |
| 1194 else | |
| 1195 { | |
| 1196 // Fast transpose for vectors and empty matrices | |
| 1197 return Array<T> (*this, dim_vector (nc, nr)); | |
| 1198 } | |
| 1199 } | |
| 1200 | |
| 1201 template <class T> | |
| 1202 T * | |
| 1203 Array<T>::fortran_vec (void) | |
| 1204 { | |
| 6881 | 1205 make_unique (); |
| 1206 | |
| 4513 | 1207 return rep->data; |
| 1208 } | |
| 1209 | |
| 1210 template <class T> | |
| 3933 | 1211 void |
| 4517 | 1212 Array<T>::maybe_delete_dims (void) |
| 1213 { | |
| 4587 | 1214 int nd = dimensions.length (); |
| 4517 | 1215 |
| 1216 dim_vector new_dims (1, 1); | |
| 1217 | |
| 1218 bool delete_dims = true; | |
| 1219 | |
| 4587 | 1220 for (int i = nd - 1; i >= 0; i--) |
| 4517 | 1221 { |
| 1222 if (delete_dims) | |
| 1223 { | |
| 1224 if (dimensions(i) != 1) | |
| 1225 { | |
| 1226 delete_dims = false; | |
| 1227 | |
| 1228 new_dims = dim_vector (i + 1, dimensions(i)); | |
| 1229 } | |
| 1230 } | |
| 1231 else | |
| 1232 new_dims(i) = dimensions(i); | |
| 1233 } | |
| 4530 | 1234 |
| 4587 | 1235 if (nd != new_dims.length ()) |
| 4517 | 1236 dimensions = new_dims; |
| 1237 } | |
| 1238 | |
| 1239 template <class T> | |
| 1240 void | |
| 6881 | 1241 Array<T>::clear_index (void) const |
| 4517 | 1242 { |
| 1243 delete [] idx; | |
| 1244 idx = 0; | |
| 1245 idx_count = 0; | |
| 1246 } | |
| 1247 | |
| 1248 template <class T> | |
| 1249 void | |
| 6881 | 1250 Array<T>::set_index (const idx_vector& idx_arg) const |
| 4517 | 1251 { |
| 1252 int nd = ndims (); | |
| 1253 | |
| 1254 if (! idx && nd > 0) | |
| 1255 idx = new idx_vector [nd]; | |
| 1256 | |
| 1257 if (idx_count < nd) | |
| 1258 { | |
| 1259 idx[idx_count++] = idx_arg; | |
| 1260 } | |
| 1261 else | |
| 1262 { | |
| 1263 idx_vector *new_idx = new idx_vector [idx_count+1]; | |
| 1264 | |
| 1265 for (int i = 0; i < idx_count; i++) | |
| 1266 new_idx[i] = idx[i]; | |
| 1267 | |
| 1268 new_idx[idx_count++] = idx_arg; | |
| 1269 | |
| 1270 delete [] idx; | |
| 1271 | |
| 1272 idx = new_idx; | |
| 1273 } | |
| 1274 } | |
| 1275 | |
| 1276 template <class T> | |
| 1277 void | |
| 1278 Array<T>::maybe_delete_elements (idx_vector& idx_arg) | |
| 1279 { | |
| 1280 switch (ndims ()) | |
| 1281 { | |
| 1282 case 1: | |
| 1283 maybe_delete_elements_1 (idx_arg); | |
| 1284 break; | |
| 1285 | |
| 1286 case 2: | |
| 1287 maybe_delete_elements_2 (idx_arg); | |
| 1288 break; | |
| 1289 | |
| 1290 default: | |
| 1291 (*current_liboctave_error_handler) | |
| 1292 ("Array<T>::maybe_delete_elements: invalid operation"); | |
| 1293 break; | |
| 1294 } | |
| 1295 } | |
| 1296 | |
| 1297 template <class T> | |
| 1298 void | |
| 1299 Array<T>::maybe_delete_elements_1 (idx_vector& idx_arg) | |
| 1300 { | |
| 5275 | 1301 octave_idx_type len = length (); |
| 4517 | 1302 |
| 1303 if (len == 0) | |
| 1304 return; | |
| 1305 | |
| 1306 if (idx_arg.is_colon_equiv (len, 1)) | |
| 1307 resize_no_fill (0); | |
| 1308 else | |
| 1309 { | |
| 1310 int num_to_delete = idx_arg.length (len); | |
| 1311 | |
| 1312 if (num_to_delete != 0) | |
| 1313 { | |
| 5275 | 1314 octave_idx_type new_len = len; |
| 1315 | |
| 1316 octave_idx_type iidx = 0; | |
| 1317 | |
| 1318 for (octave_idx_type i = 0; i < len; i++) | |
| 4517 | 1319 if (i == idx_arg.elem (iidx)) |
| 1320 { | |
| 1321 iidx++; | |
| 1322 new_len--; | |
| 1323 | |
| 1324 if (iidx == num_to_delete) | |
| 1325 break; | |
| 1326 } | |
| 1327 | |
| 1328 if (new_len > 0) | |
| 1329 { | |
| 1330 T *new_data = new T [new_len]; | |
| 1331 | |
| 5275 | 1332 octave_idx_type ii = 0; |
| 4517 | 1333 iidx = 0; |
| 5275 | 1334 for (octave_idx_type i = 0; i < len; i++) |
| 4517 | 1335 { |
| 1336 if (iidx < num_to_delete && i == idx_arg.elem (iidx)) | |
| 1337 iidx++; | |
| 1338 else | |
| 1339 { | |
| 6884 | 1340 new_data[ii] = xelem (i); |
| 4517 | 1341 ii++; |
| 1342 } | |
| 1343 } | |
| 1344 | |
| 1345 if (--rep->count <= 0) | |
| 1346 delete rep; | |
| 1347 | |
| 1348 rep = new typename Array<T>::ArrayRep (new_data, new_len); | |
| 1349 | |
| 1350 dimensions.resize (1); | |
| 1351 dimensions(0) = new_len; | |
| 1352 } | |
| 1353 else | |
| 1354 (*current_liboctave_error_handler) | |
| 1355 ("A(idx) = []: index out of range"); | |
| 1356 } | |
| 1357 } | |
| 1358 } | |
| 1359 | |
| 1360 template <class T> | |
| 1361 void | |
| 1362 Array<T>::maybe_delete_elements_2 (idx_vector& idx_arg) | |
| 1363 { | |
| 4548 | 1364 assert (ndims () == 2); |
| 1365 | |
| 5275 | 1366 octave_idx_type nr = dim1 (); |
| 1367 octave_idx_type nc = dim2 (); | |
| 4517 | 1368 |
| 5275 | 1369 octave_idx_type n; |
| 4517 | 1370 if (nr == 1) |
| 1371 n = nc; | |
| 1372 else if (nc == 1) | |
| 1373 n = nr; | |
| 1374 else | |
| 1375 { | |
| 4756 | 1376 // Reshape to row vector for Matlab compatibility. |
| 1377 | |
| 1378 n = nr * nc; | |
| 1379 nr = 1; | |
| 1380 nc = n; | |
| 4517 | 1381 } |
| 1382 | |
| 6525 | 1383 if (nr > 0 && nc > 0 && idx_arg.is_colon_equiv (n, 1)) |
| 4517 | 1384 { |
| 1385 // Either A(:) = [] or A(idx) = [] with idx enumerating all | |
| 1386 // elements, so we delete all elements and return [](0x0). To | |
| 1387 // preserve the orientation of the vector, you have to use | |
| 1388 // A(idx,:) = [] (delete rows) or A(:,idx) (delete columns). | |
| 1389 | |
| 1390 resize_no_fill (0, 0); | |
| 1391 return; | |
| 1392 } | |
| 1393 | |
| 1394 idx_arg.sort (true); | |
| 1395 | |
| 5275 | 1396 octave_idx_type num_to_delete = idx_arg.length (n); |
| 4517 | 1397 |
| 1398 if (num_to_delete != 0) | |
| 1399 { | |
| 5275 | 1400 octave_idx_type new_n = n; |
| 1401 | |
| 1402 octave_idx_type iidx = 0; | |
| 1403 | |
| 1404 for (octave_idx_type i = 0; i < n; i++) | |
| 4517 | 1405 if (i == idx_arg.elem (iidx)) |
| 1406 { | |
| 1407 iidx++; | |
| 1408 new_n--; | |
| 1409 | |
| 1410 if (iidx == num_to_delete) | |
| 1411 break; | |
| 1412 } | |
| 1413 | |
| 1414 if (new_n > 0) | |
| 1415 { | |
| 1416 T *new_data = new T [new_n]; | |
| 1417 | |
| 5275 | 1418 octave_idx_type ii = 0; |
| 4517 | 1419 iidx = 0; |
| 5275 | 1420 for (octave_idx_type i = 0; i < n; i++) |
| 4517 | 1421 { |
| 1422 if (iidx < num_to_delete && i == idx_arg.elem (iidx)) | |
| 1423 iidx++; | |
| 1424 else | |
| 1425 { | |
| 6884 | 1426 new_data[ii] = xelem (i); |
| 4517 | 1427 |
| 1428 ii++; | |
| 1429 } | |
| 1430 } | |
| 1431 | |
| 1432 if (--(Array<T>::rep)->count <= 0) | |
| 1433 delete Array<T>::rep; | |
| 1434 | |
| 1435 Array<T>::rep = new typename Array<T>::ArrayRep (new_data, new_n); | |
| 1436 | |
| 1437 dimensions.resize (2); | |
| 1438 | |
| 1439 if (nr == 1) | |
| 1440 { | |
| 1441 dimensions(0) = 1; | |
| 1442 dimensions(1) = new_n; | |
| 1443 } | |
| 1444 else | |
| 1445 { | |
| 1446 dimensions(0) = new_n; | |
| 1447 dimensions(1) = 1; | |
| 1448 } | |
| 1449 } | |
| 1450 else | |
| 1451 (*current_liboctave_error_handler) | |
| 1452 ("A(idx) = []: index out of range"); | |
| 1453 } | |
| 1454 } | |
| 1455 | |
| 1456 template <class T> | |
| 1457 void | |
| 1458 Array<T>::maybe_delete_elements (idx_vector& idx_i, idx_vector& idx_j) | |
| 1459 { | |
| 4548 | 1460 assert (ndims () == 2); |
| 1461 | |
| 5275 | 1462 octave_idx_type nr = dim1 (); |
| 1463 octave_idx_type nc = dim2 (); | |
| 4517 | 1464 |
| 1465 if (nr == 0 && nc == 0) | |
| 1466 return; | |
| 1467 | |
| 1468 if (idx_i.is_colon ()) | |
| 1469 { | |
| 1470 if (idx_j.is_colon ()) | |
| 1471 { | |
| 1472 // A(:,:) -- We are deleting columns and rows, so the result | |
| 1473 // is [](0x0). | |
| 1474 | |
| 1475 resize_no_fill (0, 0); | |
| 1476 return; | |
| 1477 } | |
| 1478 | |
| 1479 if (idx_j.is_colon_equiv (nc, 1)) | |
| 1480 { | |
| 1481 // A(:,j) -- We are deleting columns by enumerating them, | |
| 1482 // If we enumerate all of them, we should have zero columns | |
| 1483 // with the same number of rows that we started with. | |
| 1484 | |
| 1485 resize_no_fill (nr, 0); | |
| 1486 return; | |
| 1487 } | |
| 1488 } | |
| 1489 | |
| 1490 if (idx_j.is_colon () && idx_i.is_colon_equiv (nr, 1)) | |
| 1491 { | |
| 1492 // A(i,:) -- We are deleting rows by enumerating them. If we | |
| 1493 // enumerate all of them, we should have zero rows with the | |
| 1494 // same number of columns that we started with. | |
| 1495 | |
| 1496 resize_no_fill (0, nc); | |
| 1497 return; | |
| 1498 } | |
| 1499 | |
| 1500 if (idx_i.is_colon_equiv (nr, 1)) | |
| 1501 { | |
| 1502 if (idx_j.is_colon_equiv (nc, 1)) | |
| 1503 resize_no_fill (0, 0); | |
| 1504 else | |
| 1505 { | |
| 1506 idx_j.sort (true); | |
| 1507 | |
| 5275 | 1508 octave_idx_type num_to_delete = idx_j.length (nc); |
| 4517 | 1509 |
| 1510 if (num_to_delete != 0) | |
| 1511 { | |
| 1512 if (nr == 1 && num_to_delete == nc) | |
| 1513 resize_no_fill (0, 0); | |
| 1514 else | |
| 1515 { | |
| 5275 | 1516 octave_idx_type new_nc = nc; |
| 1517 | |
| 1518 octave_idx_type iidx = 0; | |
| 1519 | |
| 1520 for (octave_idx_type j = 0; j < nc; j++) | |
| 4517 | 1521 if (j == idx_j.elem (iidx)) |
| 1522 { | |
| 1523 iidx++; | |
| 1524 new_nc--; | |
| 1525 | |
| 1526 if (iidx == num_to_delete) | |
| 1527 break; | |
| 1528 } | |
| 1529 | |
| 1530 if (new_nc > 0) | |
| 1531 { | |
| 1532 T *new_data = new T [nr * new_nc]; | |
| 1533 | |
| 5275 | 1534 octave_idx_type jj = 0; |
| 4517 | 1535 iidx = 0; |
| 5275 | 1536 for (octave_idx_type j = 0; j < nc; j++) |
| 4517 | 1537 { |
| 1538 if (iidx < num_to_delete && j == idx_j.elem (iidx)) | |
| 1539 iidx++; | |
| 1540 else | |
| 1541 { | |
| 5275 | 1542 for (octave_idx_type i = 0; i < nr; i++) |
| 6884 | 1543 new_data[nr*jj+i] = xelem (i, j); |
| 4517 | 1544 jj++; |
| 1545 } | |
| 1546 } | |
| 1547 | |
| 1548 if (--(Array<T>::rep)->count <= 0) | |
| 1549 delete Array<T>::rep; | |
| 1550 | |
| 1551 Array<T>::rep = new typename Array<T>::ArrayRep (new_data, nr * new_nc); | |
| 1552 | |
| 1553 dimensions.resize (2); | |
| 1554 dimensions(1) = new_nc; | |
| 1555 } | |
| 1556 else | |
| 1557 (*current_liboctave_error_handler) | |
| 1558 ("A(idx) = []: index out of range"); | |
| 1559 } | |
| 1560 } | |
| 1561 } | |
| 1562 } | |
| 1563 else if (idx_j.is_colon_equiv (nc, 1)) | |
| 1564 { | |
| 1565 if (idx_i.is_colon_equiv (nr, 1)) | |
| 1566 resize_no_fill (0, 0); | |
| 1567 else | |
| 1568 { | |
| 1569 idx_i.sort (true); | |
| 1570 | |
| 5275 | 1571 octave_idx_type num_to_delete = idx_i.length (nr); |
| 4517 | 1572 |
| 1573 if (num_to_delete != 0) | |
| 1574 { | |
| 1575 if (nc == 1 && num_to_delete == nr) | |
| 1576 resize_no_fill (0, 0); | |
| 1577 else | |
| 1578 { | |
| 5275 | 1579 octave_idx_type new_nr = nr; |
| 1580 | |
| 1581 octave_idx_type iidx = 0; | |
| 1582 | |
| 1583 for (octave_idx_type i = 0; i < nr; i++) | |
| 4517 | 1584 if (i == idx_i.elem (iidx)) |
| 1585 { | |
| 1586 iidx++; | |
| 1587 new_nr--; | |
| 1588 | |
| 1589 if (iidx == num_to_delete) | |
| 1590 break; | |
| 1591 } | |
| 1592 | |
| 1593 if (new_nr > 0) | |
| 1594 { | |
| 1595 T *new_data = new T [new_nr * nc]; | |
| 1596 | |
| 5275 | 1597 octave_idx_type ii = 0; |
| 4517 | 1598 iidx = 0; |
| 5275 | 1599 for (octave_idx_type i = 0; i < nr; i++) |
| 4517 | 1600 { |
| 1601 if (iidx < num_to_delete && i == idx_i.elem (iidx)) | |
| 1602 iidx++; | |
| 1603 else | |
| 1604 { | |
| 5275 | 1605 for (octave_idx_type j = 0; j < nc; j++) |
| 6884 | 1606 new_data[new_nr*j+ii] = xelem (i, j); |
| 4517 | 1607 ii++; |
| 1608 } | |
| 1609 } | |
| 1610 | |
| 1611 if (--(Array<T>::rep)->count <= 0) | |
| 1612 delete Array<T>::rep; | |
| 1613 | |
| 1614 Array<T>::rep = new typename Array<T>::ArrayRep (new_data, new_nr * nc); | |
| 1615 | |
| 1616 dimensions.resize (2); | |
| 1617 dimensions(0) = new_nr; | |
| 1618 } | |
| 1619 else | |
| 1620 (*current_liboctave_error_handler) | |
| 1621 ("A(idx) = []: index out of range"); | |
| 1622 } | |
| 1623 } | |
| 1624 } | |
| 1625 } | |
| 1626 } | |
| 1627 | |
| 1628 template <class T> | |
| 1629 void | |
| 1630 Array<T>::maybe_delete_elements (idx_vector&, idx_vector&, idx_vector&) | |
| 1631 { | |
| 1632 assert (0); | |
| 1633 } | |
| 1634 | |
| 1635 template <class T> | |
| 1636 void | |
| 4585 | 1637 Array<T>::maybe_delete_elements (Array<idx_vector>& ra_idx, const T& rfv) |
| 4517 | 1638 { |
| 5275 | 1639 octave_idx_type n_idx = ra_idx.length (); |
| 4517 | 1640 |
| 1641 dim_vector lhs_dims = dims (); | |
| 1642 | |
| 6388 | 1643 int n_lhs_dims = lhs_dims.length (); |
| 1644 | |
| 4821 | 1645 if (lhs_dims.all_zero ()) |
| 1646 return; | |
| 1647 | |
| 6384 | 1648 if (n_idx == 1 && ra_idx(0).is_colon ()) |
| 1649 { | |
| 1650 resize (dim_vector (0, 0), rfv); | |
| 1651 return; | |
| 1652 } | |
| 1653 | |
| 6388 | 1654 if (n_idx > n_lhs_dims) |
| 1655 { | |
| 1656 for (int i = n_idx; i < n_lhs_dims; i++) | |
| 1657 { | |
| 1658 // Ensure that extra indices are either colon or 1. | |
| 1659 | |
| 1660 if (! ra_idx(i).is_colon_equiv (1, 1)) | |
| 1661 { | |
| 1662 (*current_liboctave_error_handler) | |
| 1663 ("index exceeds array dimensions"); | |
| 1664 return; | |
| 1665 } | |
| 1666 } | |
| 1667 | |
| 1668 ra_idx.resize (n_lhs_dims); | |
| 1669 | |
| 1670 n_idx = n_lhs_dims; | |
| 1671 } | |
| 4757 | 1672 |
| 4740 | 1673 Array<int> idx_is_colon (n_idx, 0); |
| 1674 | |
| 1675 Array<int> idx_is_colon_equiv (n_idx, 0); | |
| 4517 | 1676 |
| 1677 // Initialization of colon arrays. | |
| 4757 | 1678 |
| 5275 | 1679 for (octave_idx_type i = 0; i < n_idx; i++) |
| 4517 | 1680 { |
| 4585 | 1681 idx_is_colon_equiv(i) = ra_idx(i).is_colon_equiv (lhs_dims(i), 1); |
| 1682 | |
| 1683 idx_is_colon(i) = ra_idx(i).is_colon (); | |
| 4517 | 1684 } |
| 1685 | |
| 4755 | 1686 bool idx_ok = true; |
| 1687 | |
| 1688 // Check for index out of bounds. | |
| 1689 | |
| 5275 | 1690 for (octave_idx_type i = 0 ; i < n_idx - 1; i++) |
| 4517 | 1691 { |
| 4755 | 1692 if (! (idx_is_colon(i) || idx_is_colon_equiv(i))) |
| 1693 { | |
| 1694 ra_idx(i).sort (true); | |
| 4757 | 1695 |
| 4755 | 1696 if (ra_idx(i).max () > lhs_dims(i)) |
| 1697 { | |
| 1698 (*current_liboctave_error_handler) | |
| 1699 ("index exceeds array dimensions"); | |
| 4757 | 1700 |
| 4755 | 1701 idx_ok = false; |
| 1702 break; | |
| 1703 } | |
| 1704 else if (ra_idx(i).min () < 0) // I believe this is checked elsewhere | |
| 1705 { | |
| 1706 (*current_liboctave_error_handler) | |
| 1707 ("index must be one or larger"); | |
| 1708 | |
| 1709 idx_ok = false; | |
| 1710 break; | |
| 1711 } | |
| 1712 } | |
| 4517 | 1713 } |
| 4757 | 1714 |
| 4755 | 1715 if (n_idx <= n_lhs_dims) |
| 4517 | 1716 { |
| 5275 | 1717 octave_idx_type last_idx = ra_idx(n_idx-1).max (); |
| 1718 | |
| 1719 octave_idx_type sum_el = lhs_dims(n_idx-1); | |
| 1720 | |
| 1721 for (octave_idx_type i = n_idx; i < n_lhs_dims; i++) | |
| 4755 | 1722 sum_el *= lhs_dims(i); |
| 1723 | |
| 1724 if (last_idx > sum_el - 1) | |
| 1725 { | |
| 1726 (*current_liboctave_error_handler) | |
| 1727 ("index exceeds array dimensions"); | |
| 1728 | |
| 1729 idx_ok = false; | |
| 1730 } | |
| 4757 | 1731 } |
| 4755 | 1732 |
| 1733 if (idx_ok) | |
| 1734 { | |
| 1735 if (n_idx > 1 | |
| 1736 && (all_ones (idx_is_colon) || all_ones (idx_is_colon_equiv))) | |
| 4517 | 1737 { |
| 4755 | 1738 // A(:,:,:) -- we are deleting elements in all dimensions, so |
| 1739 // the result is [](0x0x0). | |
| 1740 | |
| 1741 dim_vector zeros; | |
| 1742 zeros.resize (n_idx); | |
| 1743 | |
| 1744 for (int i = 0; i < n_idx; i++) | |
| 1745 zeros(i) = 0; | |
| 1746 | |
| 1747 resize (zeros, rfv); | |
| 4517 | 1748 } |
| 1749 | |
| 4755 | 1750 else if (n_idx > 1 |
| 1751 && num_ones (idx_is_colon) == n_idx - 1 | |
| 1752 && num_ones (idx_is_colon_equiv) == n_idx) | |
| 1753 { | |
| 1754 // A(:,:,j) -- we are deleting elements in one dimension by | |
| 1755 // enumerating them. | |
| 1756 // | |
| 1757 // If we enumerate all of the elements, we should have zero | |
| 1758 // elements in that dimension with the same number of elements | |
| 1759 // in the other dimensions that we started with. | |
| 1760 | |
| 1761 dim_vector temp_dims; | |
| 1762 temp_dims.resize (n_idx); | |
| 1763 | |
| 5275 | 1764 for (octave_idx_type i = 0; i < n_idx; i++) |
| 4755 | 1765 { |
| 1766 if (idx_is_colon (i)) | |
| 1767 temp_dims(i) = lhs_dims(i); | |
| 1768 else | |
| 1769 temp_dims(i) = 0; | |
| 1770 } | |
| 1771 | |
| 1772 resize (temp_dims); | |
| 1773 } | |
| 1774 else if (n_idx > 1 && num_ones (idx_is_colon) == n_idx - 1) | |
| 4741 | 1775 { |
| 4755 | 1776 // We have colons in all indices except for one. |
| 1777 // This index tells us which slice to delete | |
| 1778 | |
| 1779 if (n_idx < n_lhs_dims) | |
| 1780 { | |
| 1781 // Collapse dimensions beyond last index. | |
| 1782 | |
| 5781 | 1783 if (! (ra_idx(n_idx-1).is_colon ())) |
| 1784 (*current_liboctave_warning_with_id_handler) | |
| 1785 ("Octave:fortran-indexing", | |
| 1786 "fewer indices than dimensions for N-d array"); | |
| 4755 | 1787 |
| 5275 | 1788 for (octave_idx_type i = n_idx; i < n_lhs_dims; i++) |
| 4755 | 1789 lhs_dims(n_idx-1) *= lhs_dims(i); |
| 1790 | |
| 1791 lhs_dims.resize (n_idx); | |
| 1792 | |
| 1793 // Reshape *this. | |
| 1794 dimensions = lhs_dims; | |
| 1795 } | |
| 1796 | |
| 1797 int non_col = 0; | |
| 1798 | |
| 1799 // Find the non-colon column. | |
| 1800 | |
| 5275 | 1801 for (octave_idx_type i = 0; i < n_idx; i++) |
| 4755 | 1802 { |
| 1803 if (! idx_is_colon(i)) | |
| 1804 non_col = i; | |
| 1805 } | |
| 1806 | |
| 1807 // The length of the non-colon dimension. | |
| 1808 | |
| 5275 | 1809 octave_idx_type non_col_dim = lhs_dims (non_col); |
| 1810 | |
| 1811 octave_idx_type num_to_delete = ra_idx(non_col).length (lhs_dims (non_col)); | |
| 4755 | 1812 |
| 1813 if (num_to_delete > 0) | |
| 1814 { | |
| 1815 int temp = lhs_dims.num_ones (); | |
| 1816 | |
| 1817 if (non_col_dim == 1) | |
| 1818 temp--; | |
| 1819 | |
| 1820 if (temp == n_idx - 1 && num_to_delete == non_col_dim) | |
| 1821 { | |
| 1822 // We have A with (1x1x4), where A(1,:,1:4) | |
| 1823 // Delete all (0x0x0) | |
| 1824 | |
| 1825 dim_vector zero_dims (n_idx, 0); | |
| 1826 | |
| 1827 resize (zero_dims, rfv); | |
| 1828 } | |
| 1829 else | |
| 1830 { | |
| 1831 // New length of non-colon dimension | |
| 1832 // (calculated in the next for loop) | |
| 1833 | |
| 5275 | 1834 octave_idx_type new_dim = non_col_dim; |
| 1835 | |
| 1836 octave_idx_type iidx = 0; | |
| 1837 | |
| 1838 for (octave_idx_type j = 0; j < non_col_dim; j++) | |
| 4755 | 1839 if (j == ra_idx(non_col).elem (iidx)) |
| 1840 { | |
| 1841 iidx++; | |
| 1842 | |
| 1843 new_dim--; | |
| 1844 | |
| 1845 if (iidx == num_to_delete) | |
| 1846 break; | |
| 1847 } | |
| 1848 | |
| 1849 // Creating the new nd array after deletions. | |
| 1850 | |
| 1851 if (new_dim > 0) | |
| 1852 { | |
| 1853 // Calculate number of elements in new array. | |
| 1854 | |
| 5275 | 1855 octave_idx_type num_new_elem=1; |
| 4755 | 1856 |
| 1857 for (int i = 0; i < n_idx; i++) | |
| 1858 { | |
| 1859 if (i == non_col) | |
| 1860 num_new_elem *= new_dim; | |
| 1861 | |
| 1862 else | |
| 1863 num_new_elem *= lhs_dims(i); | |
| 1864 } | |
| 1865 | |
| 1866 T *new_data = new T [num_new_elem]; | |
| 1867 | |
| 5275 | 1868 Array<octave_idx_type> result_idx (n_lhs_dims, 0); |
| 4755 | 1869 |
| 1870 dim_vector new_lhs_dim = lhs_dims; | |
| 1871 | |
| 1872 new_lhs_dim(non_col) = new_dim; | |
| 1873 | |
| 5275 | 1874 octave_idx_type num_elem = 1; |
| 1875 | |
| 1876 octave_idx_type numidx = 0; | |
| 1877 | |
| 1878 octave_idx_type n = length (); | |
| 4755 | 1879 |
| 1880 for (int i = 0; i < n_lhs_dims; i++) | |
| 1881 if (i != non_col) | |
| 1882 num_elem *= lhs_dims(i); | |
| 1883 | |
| 1884 num_elem *= ra_idx(non_col).capacity (); | |
| 1885 | |
| 5275 | 1886 for (octave_idx_type i = 0; i < n; i++) |
| 4755 | 1887 { |
| 1888 if (numidx < num_elem | |
| 1889 && is_in (result_idx(non_col), ra_idx(non_col))) | |
| 1890 numidx++; | |
| 1891 | |
| 1892 else | |
| 1893 { | |
| 5275 | 1894 Array<octave_idx_type> temp_result_idx = result_idx; |
| 1895 | |
| 1896 octave_idx_type num_lgt = how_many_lgt (result_idx(non_col), | |
| 4755 | 1897 ra_idx(non_col)); |
| 1898 | |
| 1899 temp_result_idx(non_col) -= num_lgt; | |
| 1900 | |
| 5275 | 1901 octave_idx_type kidx |
| 4755 | 1902 = ::compute_index (temp_result_idx, new_lhs_dim); |
| 1903 | |
| 6884 | 1904 new_data[kidx] = xelem (result_idx); |
| 4755 | 1905 } |
| 1906 | |
| 1907 increment_index (result_idx, lhs_dims); | |
| 1908 } | |
| 1909 | |
| 1910 if (--rep->count <= 0) | |
| 1911 delete rep; | |
| 1912 | |
| 1913 rep = new typename Array<T>::ArrayRep (new_data, | |
| 1914 num_new_elem); | |
| 1915 | |
| 1916 dimensions = new_lhs_dim; | |
| 1917 } | |
| 1918 } | |
| 1919 } | |
| 4517 | 1920 } |
| 4755 | 1921 else if (n_idx == 1) |
| 4517 | 1922 { |
| 4821 | 1923 // This handle cases where we only have one index (not |
| 1924 // colon). The index denotes which elements we should | |
| 1925 // delete in the array which can be of any dimension. We | |
| 1926 // return a column vector, except for the case where we are | |
| 1927 // operating on a row vector. The elements are numerated | |
| 1928 // column by column. | |
| 4755 | 1929 // |
| 1930 // A(3,3,3)=2; | |
| 1931 // A(3:5) = []; A(6)=[] | |
| 4757 | 1932 |
| 5275 | 1933 octave_idx_type lhs_numel = numel (); |
| 4757 | 1934 |
| 4821 | 1935 idx_vector idx_vec = ra_idx(0); |
| 1936 | |
| 5781 | 1937 idx_vec.freeze (lhs_numel, 0, true); |
| 4821 | 1938 |
| 1939 idx_vec.sort (true); | |
| 1940 | |
| 5275 | 1941 octave_idx_type num_to_delete = idx_vec.length (lhs_numel); |
| 4821 | 1942 |
| 1943 if (num_to_delete > 0) | |
| 4517 | 1944 { |
| 5275 | 1945 octave_idx_type new_numel = lhs_numel - num_to_delete; |
| 4821 | 1946 |
| 1947 T *new_data = new T[new_numel]; | |
| 1948 | |
| 5275 | 1949 Array<octave_idx_type> lhs_ra_idx (ndims (), 0); |
| 1950 | |
| 1951 octave_idx_type ii = 0; | |
| 1952 octave_idx_type iidx = 0; | |
| 1953 | |
| 1954 for (octave_idx_type i = 0; i < lhs_numel; i++) | |
| 4755 | 1955 { |
| 4821 | 1956 if (iidx < num_to_delete && i == idx_vec.elem (iidx)) |
| 1957 { | |
| 1958 iidx++; | |
| 1959 } | |
| 1960 else | |
| 1961 { | |
| 6884 | 1962 new_data[ii++] = xelem (lhs_ra_idx); |
| 4821 | 1963 } |
| 1964 | |
| 1965 increment_index (lhs_ra_idx, lhs_dims); | |
| 1966 } | |
| 1967 | |
| 1968 if (--(Array<T>::rep)->count <= 0) | |
| 1969 delete Array<T>::rep; | |
| 1970 | |
| 1971 Array<T>::rep = new typename Array<T>::ArrayRep (new_data, new_numel); | |
| 1972 | |
| 1973 dimensions.resize (2); | |
| 1974 | |
| 1975 if (lhs_dims.length () == 2 && lhs_dims(1) == 1) | |
| 1976 { | |
| 1977 dimensions(0) = new_numel; | |
| 1978 dimensions(1) = 1; | |
| 4755 | 1979 } |
| 1980 else | |
| 1981 { | |
| 4821 | 1982 dimensions(0) = 1; |
| 1983 dimensions(1) = new_numel; | |
| 4755 | 1984 } |
| 4517 | 1985 } |
| 1986 } | |
| 4755 | 1987 else if (num_ones (idx_is_colon) < n_idx) |
| 1988 { | |
| 1989 (*current_liboctave_error_handler) | |
| 1990 ("a null assignment can have only one non-colon index"); | |
| 1991 } | |
| 4517 | 1992 } |
| 1993 } | |
| 1994 | |
| 1995 template <class T> | |
| 1996 Array<T> | |
| 6881 | 1997 Array<T>::value (void) const |
| 4517 | 1998 { |
| 1999 Array<T> retval; | |
| 2000 | |
| 2001 int n_idx = index_count (); | |
| 2002 | |
| 2003 if (n_idx == 2) | |
| 2004 { | |
| 2005 idx_vector *tmp = get_idx (); | |
| 2006 | |
| 2007 idx_vector idx_i = tmp[0]; | |
| 2008 idx_vector idx_j = tmp[1]; | |
| 2009 | |
| 2010 retval = index (idx_i, idx_j); | |
| 2011 } | |
| 2012 else if (n_idx == 1) | |
| 2013 { | |
| 2014 retval = index (idx[0]); | |
| 2015 } | |
| 2016 else | |
| 2017 (*current_liboctave_error_handler) | |
| 2018 ("Array<T>::value: invalid number of indices specified"); | |
| 2019 | |
| 2020 clear_index (); | |
| 2021 | |
| 2022 return retval; | |
| 2023 } | |
| 2024 | |
| 2025 template <class T> | |
| 2026 Array<T> | |
| 2027 Array<T>::index (idx_vector& idx_arg, int resize_ok, const T& rfv) const | |
| 2028 { | |
| 2029 Array<T> retval; | |
| 2030 | |
| 5081 | 2031 dim_vector dv = idx_arg.orig_dimensions (); |
| 2032 | |
| 2033 if (dv.length () > 2 || ndims () > 2) | |
| 2034 retval = indexN (idx_arg, resize_ok, rfv); | |
| 2035 else | |
| 4517 | 2036 { |
| 5081 | 2037 switch (ndims ()) |
| 2038 { | |
| 2039 case 1: | |
| 2040 retval = index1 (idx_arg, resize_ok, rfv); | |
| 2041 break; | |
| 2042 | |
| 2043 case 2: | |
| 2044 retval = index2 (idx_arg, resize_ok, rfv); | |
| 2045 break; | |
| 2046 | |
| 2047 default: | |
| 2048 (*current_liboctave_error_handler) | |
| 2049 ("invalid array (internal error)"); | |
| 2050 break; | |
| 2051 } | |
| 4517 | 2052 } |
| 2053 | |
| 2054 return retval; | |
| 2055 } | |
| 2056 | |
| 2057 template <class T> | |
| 2058 Array<T> | |
| 2059 Array<T>::index1 (idx_vector& idx_arg, int resize_ok, const T& rfv) const | |
| 2060 { | |
| 2061 Array<T> retval; | |
| 2062 | |
| 5275 | 2063 octave_idx_type len = length (); |
| 2064 | |
| 2065 octave_idx_type n = idx_arg.freeze (len, "vector", resize_ok); | |
| 4517 | 2066 |
| 2067 if (idx_arg) | |
| 2068 { | |
| 2069 if (idx_arg.is_colon_equiv (len)) | |
| 2070 { | |
| 2071 retval = *this; | |
| 2072 } | |
| 2073 else if (n == 0) | |
| 2074 { | |
| 2075 retval.resize_no_fill (0); | |
| 2076 } | |
| 2077 else | |
| 2078 { | |
| 2079 retval.resize_no_fill (n); | |
| 2080 | |
| 5275 | 2081 for (octave_idx_type i = 0; i < n; i++) |
| 4517 | 2082 { |
| 5275 | 2083 octave_idx_type ii = idx_arg.elem (i); |
| 4517 | 2084 if (ii >= len) |
| 2085 retval.elem (i) = rfv; | |
| 2086 else | |
| 2087 retval.elem (i) = elem (ii); | |
| 2088 } | |
| 2089 } | |
| 2090 } | |
| 2091 | |
| 2092 // idx_vector::freeze() printed an error message for us. | |
| 2093 | |
| 2094 return retval; | |
| 2095 } | |
| 2096 | |
| 2097 template <class T> | |
| 2098 Array<T> | |
| 2099 Array<T>::index2 (idx_vector& idx_arg, int resize_ok, const T& rfv) const | |
| 2100 { | |
| 2101 Array<T> retval; | |
| 2102 | |
| 4548 | 2103 assert (ndims () == 2); |
| 2104 | |
| 5275 | 2105 octave_idx_type nr = dim1 (); |
| 2106 octave_idx_type nc = dim2 (); | |
| 2107 | |
| 2108 octave_idx_type orig_len = nr * nc; | |
| 4517 | 2109 |
| 4832 | 2110 dim_vector idx_orig_dims = idx_arg.orig_dimensions (); |
| 2111 | |
| 5275 | 2112 octave_idx_type idx_orig_rows = idx_arg.orig_rows (); |
| 2113 octave_idx_type idx_orig_columns = idx_arg.orig_columns (); | |
| 4517 | 2114 |
| 2115 if (idx_arg.is_colon ()) | |
| 2116 { | |
| 2117 // Fast magic colon processing. | |
| 2118 | |
| 5275 | 2119 octave_idx_type result_nr = nr * nc; |
| 2120 octave_idx_type result_nc = 1; | |
| 4517 | 2121 |
| 2122 retval = Array<T> (*this, dim_vector (result_nr, result_nc)); | |
| 2123 } | |
| 2124 else if (nr == 1 && nc == 1) | |
| 2125 { | |
| 2126 Array<T> tmp = Array<T>::index1 (idx_arg, resize_ok); | |
| 2127 | |
| 5275 | 2128 octave_idx_type len = tmp.length (); |
| 4828 | 2129 |
|
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|
2130 if (len >= idx_orig_dims.numel ()) |
| 4832 | 2131 retval = Array<T> (tmp, idx_orig_dims); |
| 4517 | 2132 } |
| 2133 else if (nr == 1 || nc == 1) | |
| 2134 { | |
| 2135 // If indexing a vector with a matrix, return value has same | |
| 2136 // shape as the index. Otherwise, it has same orientation as | |
| 2137 // indexed object. | |
| 2138 | |
| 4828 | 2139 Array<T> tmp = Array<T>::index1 (idx_arg, resize_ok); |
| 4517 | 2140 |
| 5275 | 2141 octave_idx_type len = tmp.length (); |
| 4517 | 2142 |
|
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|
2143 if (idx_orig_rows == 1 || idx_orig_columns == 1) |
| 4517 | 2144 { |
| 4827 | 2145 if (nr == 1) |
| 2146 retval = Array<T> (tmp, dim_vector (1, len)); | |
| 4517 | 2147 else |
| 4827 | 2148 retval = Array<T> (tmp, dim_vector (len, 1)); |
| 4517 | 2149 } |
| 4876 | 2150 else if (len >= idx_orig_dims.numel ()) |
| 4832 | 2151 retval = Array<T> (tmp, idx_orig_dims); |
| 4517 | 2152 } |
| 2153 else | |
| 2154 { | |
|
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|
2155 (*current_liboctave_warning_with_id_handler) |
|
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|
2156 ("Octave:fortran-indexing", "single index used for matrix"); |
| 4517 | 2157 |
| 2158 // This code is only for indexing matrices. The vector | |
| 2159 // cases are handled above. | |
| 2160 | |
| 2161 idx_arg.freeze (nr * nc, "matrix", resize_ok); | |
| 2162 | |
| 2163 if (idx_arg) | |
| 2164 { | |
| 5275 | 2165 octave_idx_type result_nr = idx_orig_rows; |
| 2166 octave_idx_type result_nc = idx_orig_columns; | |
| 4517 | 2167 |
| 2168 retval.resize_no_fill (result_nr, result_nc); | |
| 2169 | |
| 5275 | 2170 octave_idx_type k = 0; |
| 2171 for (octave_idx_type j = 0; j < result_nc; j++) | |
| 4517 | 2172 { |
| 5275 | 2173 for (octave_idx_type i = 0; i < result_nr; i++) |
| 4517 | 2174 { |
| 5275 | 2175 octave_idx_type ii = idx_arg.elem (k++); |
| 4517 | 2176 if (ii >= orig_len) |
| 2177 retval.elem (i, j) = rfv; | |
| 2178 else | |
| 2179 { | |
| 5275 | 2180 octave_idx_type fr = ii % nr; |
| 2181 octave_idx_type fc = (ii - fr) / nr; | |
| 4517 | 2182 retval.elem (i, j) = elem (fr, fc); |
| 2183 } | |
| 2184 } | |
| 2185 } | |
| 2186 } | |
| 2187 // idx_vector::freeze() printed an error message for us. | |
| 2188 } | |
| 2189 | |
| 2190 return retval; | |
| 2191 } | |
| 2192 | |
| 2193 template <class T> | |
| 2194 Array<T> | |
| 4530 | 2195 Array<T>::indexN (idx_vector& ra_idx, int resize_ok, const T& rfv) const |
| 2196 { | |
| 2197 Array<T> retval; | |
| 2198 | |
| 5519 | 2199 dim_vector dv = dims (); |
| 2200 | |
| 2201 int n_dims = dv.length (); | |
| 2202 | |
| 2203 octave_idx_type orig_len = dv.numel (); | |
| 4530 | 2204 |
| 4757 | 2205 dim_vector idx_orig_dims = ra_idx.orig_dimensions (); |
| 4530 | 2206 |
| 2207 if (ra_idx.is_colon ()) | |
| 2208 { | |
| 4651 | 2209 // Fast magic colon processing. |
| 2210 | |
| 2211 retval = Array<T> (*this, dim_vector (orig_len, 1)); | |
| 4530 | 2212 } |
| 4651 | 2213 else |
| 4530 | 2214 { |
| 5519 | 2215 bool vec_equiv = vector_equivalent (dv); |
| 2216 | |
|
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7480
diff
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|
2217 if (! (vec_equiv || ra_idx.is_colon ())) |
| 5781 | 2218 (*current_liboctave_warning_with_id_handler) |
| 2219 ("Octave:fortran-indexing", "single index used for N-d array"); | |
| 4530 | 2220 |
| 5519 | 2221 octave_idx_type frozen_len |
| 2222 = ra_idx.freeze (orig_len, "nd-array", resize_ok); | |
| 4530 | 2223 |
| 2224 if (ra_idx) | |
| 4757 | 2225 { |
| 5519 | 2226 dim_vector result_dims; |
| 2227 | |
| 7321 | 2228 if (vec_equiv && ! orig_len == 1) |
| 5519 | 2229 { |
| 2230 result_dims = dv; | |
| 2231 | |
| 2232 for (int i = 0; i < n_dims; i++) | |
| 2233 { | |
| 2234 if (result_dims(i) != 1) | |
| 2235 { | |
| 2236 // All but this dim should be one. | |
| 2237 result_dims(i) = frozen_len; | |
| 2238 break; | |
| 2239 } | |
| 2240 } | |
| 2241 } | |
| 2242 else | |
| 2243 result_dims = idx_orig_dims; | |
| 4530 | 2244 |
| 4673 | 2245 result_dims.chop_trailing_singletons (); |
| 2246 | |
| 4530 | 2247 retval.resize (result_dims); |
| 2248 | |
| 5275 | 2249 octave_idx_type n = result_dims.numel (); |
| 4530 | 2250 |
| 5275 | 2251 octave_idx_type k = 0; |
| 2252 | |
| 2253 for (octave_idx_type i = 0; i < n; i++) | |
| 4530 | 2254 { |
| 5275 | 2255 octave_idx_type ii = ra_idx.elem (k++); |
| 4530 | 2256 |
| 2257 if (ii >= orig_len) | |
| 5535 | 2258 retval.elem (i) = rfv; |
| 4530 | 2259 else |
| 5535 | 2260 retval.elem (i) = elem (ii); |
| 4530 | 2261 } |
| 2262 } | |
| 2263 } | |
| 2264 | |
| 2265 return retval; | |
| 2266 } | |
| 2267 | |
| 2268 template <class T> | |
| 2269 Array<T> | |
| 4517 | 2270 Array<T>::index (idx_vector& idx_i, idx_vector& idx_j, int resize_ok, |
| 2271 const T& rfv) const | |
| 2272 { | |
| 2273 Array<T> retval; | |
| 2274 | |
| 7189 | 2275 if (ndims () != 2) |
| 2276 { | |
| 2277 Array<idx_vector> ra_idx (2); | |
| 2278 ra_idx(0) = idx_i; | |
| 2279 ra_idx(1) = idx_j; | |
| 2280 return index (ra_idx, resize_ok, rfv); | |
| 2281 } | |
| 4548 | 2282 |
| 5275 | 2283 octave_idx_type nr = dim1 (); |
| 2284 octave_idx_type nc = dim2 (); | |
| 2285 | |
| 2286 octave_idx_type n = idx_i.freeze (nr, "row", resize_ok); | |
| 2287 octave_idx_type m = idx_j.freeze (nc, "column", resize_ok); | |
| 4517 | 2288 |
| 2289 if (idx_i && idx_j) | |
| 2290 { | |
| 2291 if (idx_i.orig_empty () || idx_j.orig_empty () || n == 0 || m == 0) | |
| 2292 { | |
| 2293 retval.resize_no_fill (n, m); | |
| 2294 } | |
| 2295 else if (idx_i.is_colon_equiv (nr) && idx_j.is_colon_equiv (nc)) | |
| 2296 { | |
| 2297 retval = *this; | |
| 2298 } | |
| 2299 else | |
| 2300 { | |
| 2301 retval.resize_no_fill (n, m); | |
| 2302 | |
| 5275 | 2303 for (octave_idx_type j = 0; j < m; j++) |
| 4517 | 2304 { |
| 5275 | 2305 octave_idx_type jj = idx_j.elem (j); |
| 2306 for (octave_idx_type i = 0; i < n; i++) | |
| 4517 | 2307 { |
| 5275 | 2308 octave_idx_type ii = idx_i.elem (i); |
| 4517 | 2309 if (ii >= nr || jj >= nc) |
| 2310 retval.elem (i, j) = rfv; | |
| 2311 else | |
| 2312 retval.elem (i, j) = elem (ii, jj); | |
| 2313 } | |
| 2314 } | |
| 2315 } | |
| 2316 } | |
| 2317 | |
| 2318 // idx_vector::freeze() printed an error message for us. | |
| 2319 | |
| 2320 return retval; | |
| 2321 } | |
| 2322 | |
| 2323 template <class T> | |
| 2324 Array<T> | |
| 5992 | 2325 Array<T>::index (Array<idx_vector>& ra_idx, int resize_ok, const T& rfv) const |
| 4517 | 2326 { |
| 4530 | 2327 // This function handles all calls with more than one idx. |
| 2328 // For (3x3x3), the call can be A(2,5), A(2,:,:), A(3,2,3) etc. | |
| 2329 | |
| 4517 | 2330 Array<T> retval; |
| 2331 | |
| 2332 int n_dims = dimensions.length (); | |
| 2333 | |
| 4737 | 2334 // Remove trailing singletons in ra_idx, but leave at least ndims |
| 2335 // elements. | |
| 2336 | |
| 5275 | 2337 octave_idx_type ra_idx_len = ra_idx.length (); |
| 4737 | 2338 |
| 4887 | 2339 bool trim_trailing_singletons = true; |
| 5275 | 2340 for (octave_idx_type j = ra_idx_len; j > n_dims; j--) |
| 4737 | 2341 { |
| 4887 | 2342 idx_vector iidx = ra_idx (ra_idx_len-1); |
| 2343 if (iidx.capacity () == 1 && trim_trailing_singletons) | |
| 4737 | 2344 ra_idx_len--; |
| 2345 else | |
| 4887 | 2346 trim_trailing_singletons = false; |
| 2347 | |
| 5992 | 2348 if (! resize_ok) |
| 2349 { | |
| 2350 for (octave_idx_type i = 0; i < iidx.capacity (); i++) | |
| 2351 if (iidx (i) != 0) | |
| 2352 { | |
| 2353 (*current_liboctave_error_handler) | |
| 2354 ("index exceeds N-d array dimensions"); | |
| 2355 | |
| 2356 return retval; | |
| 2357 } | |
| 2358 } | |
| 4737 | 2359 } |
| 2360 | |
| 2361 ra_idx.resize (ra_idx_len); | |
| 2362 | |
| 4887 | 2363 dim_vector new_dims = dims (); |
| 2364 dim_vector frozen_lengths; | |
| 2365 | |
|
7597
6b2a99e44ff2
shortened empty indexing fix
David Bateman <dbateman@free.fr>
parents:
7573
diff
changeset
|
2366 if (!ra_idx (ra_idx_len - 1).orig_empty () && ra_idx_len < n_dims) |
| 4887 | 2367 frozen_lengths = short_freeze (ra_idx, dimensions, resize_ok); |
| 2368 else | |
| 4517 | 2369 { |
| 4887 | 2370 new_dims.resize (ra_idx_len, 1); |
| 2371 frozen_lengths = freeze (ra_idx, new_dims, resize_ok); | |
| 4530 | 2372 } |
| 2373 | |
| 4887 | 2374 if (all_ok (ra_idx)) |
| 4530 | 2375 { |
| 4887 | 2376 if (any_orig_empty (ra_idx) || frozen_lengths.any_zero ()) |
| 2377 { | |
| 2378 frozen_lengths.chop_trailing_singletons (); | |
| 2379 | |
| 2380 retval.resize (frozen_lengths); | |
| 2381 } | |
| 2382 else if (frozen_lengths.length () == n_dims | |
| 2383 && all_colon_equiv (ra_idx, dimensions)) | |
| 2384 { | |
| 2385 retval = *this; | |
| 2386 } | |
| 2387 else | |
| 4517 | 2388 { |
| 4887 | 2389 dim_vector frozen_lengths_for_resize = frozen_lengths; |
| 2390 | |
| 2391 frozen_lengths_for_resize.chop_trailing_singletons (); | |
| 2392 | |
| 2393 retval.resize (frozen_lengths_for_resize); | |
| 2394 | |
| 5275 | 2395 octave_idx_type n = retval.length (); |
| 2396 | |
| 2397 Array<octave_idx_type> result_idx (ra_idx.length (), 0); | |
| 2398 | |
| 2399 Array<octave_idx_type> elt_idx; | |
| 2400 | |
| 2401 for (octave_idx_type i = 0; i < n; i++) | |
| 4530 | 2402 { |
| 4887 | 2403 elt_idx = get_elt_idx (ra_idx, result_idx); |
| 2404 | |
| 5275 | 2405 octave_idx_type numelem_elt = get_scalar_idx (elt_idx, new_dims); |
| 4887 | 2406 |
| 5992 | 2407 if (numelem_elt >= length () || numelem_elt < 0) |
| 2408 retval.elem (i) = rfv; | |
| 4887 | 2409 else |
| 2410 retval.elem (i) = elem (numelem_elt); | |
| 2411 | |
| 2412 increment_index (result_idx, frozen_lengths); | |
| 2413 | |
| 4517 | 2414 } |
| 2415 } | |
| 2416 } | |
| 2417 | |
| 2418 return retval; | |
| 2419 } | |
| 2420 | |
| 7433 | 2421 template <class T> |
| 2422 bool | |
| 2423 ascending_compare (T a, T b) | |
| 2424 { | |
| 2425 return (a < b); | |
| 2426 } | |
| 2427 | |
| 2428 template <class T> | |
| 2429 bool | |
| 2430 descending_compare (T a, T b) | |
| 2431 { | |
| 2432 return (a > b); | |
| 2433 } | |
| 2434 | |
| 2435 template <class T> | |
| 2436 bool | |
| 2437 ascending_compare (vec_index<T> *a, vec_index<T> *b) | |
| 2438 { | |
| 2439 return (a->vec < b->vec); | |
| 2440 } | |
| 2441 | |
| 2442 template <class T> | |
| 2443 bool | |
| 2444 descending_compare (vec_index<T> *a, vec_index<T> *b) | |
| 2445 { | |
| 2446 return (a->vec > b->vec); | |
| 2447 } | |
| 2448 | |
| 2449 template <class T> | |
| 2450 Array<T> | |
| 2451 Array<T>::sort (octave_idx_type dim, sortmode mode) const | |
| 2452 { | |
| 2453 Array<T> m = *this; | |
| 2454 | |
| 2455 dim_vector dv = m.dims (); | |
| 2456 | |
| 2457 if (m.length () < 1) | |
| 2458 return m; | |
| 2459 | |
| 2460 octave_idx_type ns = dv(dim); | |
| 2461 octave_idx_type iter = dv.numel () / ns; | |
| 2462 octave_idx_type stride = 1; | |
| 2463 for (int i = 0; i < dim; i++) | |
| 2464 stride *= dv(i); | |
| 2465 | |
| 2466 T *v = m.fortran_vec (); | |
| 2467 octave_sort<T> lsort; | |
| 2468 | |
| 2469 if (mode == ASCENDING) | |
| 2470 lsort.set_compare (ascending_compare); | |
| 2471 else if (mode == DESCENDING) | |
| 2472 lsort.set_compare (descending_compare); | |
|
7463
2467639bd8c0
eliminate UNDEFINED sort mode
John W. Eaton <jwe@octave.org>
parents:
7443
diff
changeset
|
2473 else |
|
2467639bd8c0
eliminate UNDEFINED sort mode
John W. Eaton <jwe@octave.org>
parents:
7443
diff
changeset
|
2474 abort (); |
| 7433 | 2475 |
| 2476 if (stride == 1) | |
| 2477 { | |
| 2478 for (octave_idx_type j = 0; j < iter; j++) | |
| 2479 { | |
| 2480 lsort.sort (v, ns); | |
| 2481 v += ns; | |
| 2482 } | |
| 2483 } | |
| 2484 else | |
| 2485 { | |
| 2486 // Don't use OCTAVE_LOCAL_BUFFER here as it doesn't work with bool | |
| 2487 // on some compilers. | |
| 2488 Array<T> vi (ns); | |
| 2489 T *pvi = vi.fortran_vec (); | |
| 2490 | |
| 2491 for (octave_idx_type j = 0; j < iter; j++) | |
| 2492 { | |
| 2493 octave_idx_type offset = j; | |
| 2494 octave_idx_type offset2 = 0; | |
| 2495 while (offset >= stride) | |
| 2496 { | |
| 2497 offset -= stride; | |
| 2498 offset2++; | |
| 2499 } | |
| 2500 offset += offset2 * stride * ns; | |
| 2501 | |
| 2502 for (octave_idx_type i = 0; i < ns; i++) | |
| 2503 pvi[i] = v[i*stride + offset]; | |
| 2504 | |
| 2505 lsort.sort (pvi, ns); | |
| 2506 | |
| 2507 for (octave_idx_type i = 0; i < ns; i++) | |
| 2508 v[i*stride + offset] = pvi[i]; | |
| 2509 } | |
| 2510 } | |
| 2511 | |
| 2512 return m; | |
| 2513 } | |
| 2514 | |
| 2515 template <class T> | |
| 2516 Array<T> | |
| 2517 Array<T>::sort (Array<octave_idx_type> &sidx, octave_idx_type dim, | |
| 2518 sortmode mode) const | |
| 2519 { | |
| 2520 Array<T> m = *this; | |
| 2521 | |
| 2522 dim_vector dv = m.dims (); | |
| 2523 | |
| 2524 if (m.length () < 1) | |
| 2525 { | |
| 2526 sidx = Array<octave_idx_type> (dv); | |
| 2527 return m; | |
| 2528 } | |
| 2529 | |
| 2530 octave_idx_type ns = dv(dim); | |
| 2531 octave_idx_type iter = dv.numel () / ns; | |
| 2532 octave_idx_type stride = 1; | |
| 2533 for (int i = 0; i < dim; i++) | |
| 2534 stride *= dv(i); | |
| 2535 | |
| 2536 T *v = m.fortran_vec (); | |
| 2537 octave_sort<vec_index<T> *> indexed_sort; | |
| 2538 | |
| 2539 if (mode == ASCENDING) | |
| 2540 indexed_sort.set_compare (ascending_compare); | |
| 2541 else if (mode == DESCENDING) | |
| 2542 indexed_sort.set_compare (descending_compare); | |
|
7463
2467639bd8c0
eliminate UNDEFINED sort mode
John W. Eaton <jwe@octave.org>
parents:
7443
diff
changeset
|
2543 else |
|
2467639bd8c0
eliminate UNDEFINED sort mode
John W. Eaton <jwe@octave.org>
parents:
7443
diff
changeset
|
2544 abort (); |
| 7433 | 2545 |
| 2546 OCTAVE_LOCAL_BUFFER (vec_index<T> *, vi, ns); | |
| 2547 OCTAVE_LOCAL_BUFFER (vec_index<T>, vix, ns); | |
| 2548 | |
| 2549 for (octave_idx_type i = 0; i < ns; i++) | |
| 2550 vi[i] = &vix[i]; | |
| 2551 | |
| 2552 sidx = Array<octave_idx_type> (dv); | |
| 2553 | |
| 2554 if (stride == 1) | |
| 2555 { | |
| 2556 for (octave_idx_type j = 0; j < iter; j++) | |
| 2557 { | |
| 2558 octave_idx_type offset = j * ns; | |
| 2559 | |
| 2560 for (octave_idx_type i = 0; i < ns; i++) | |
| 2561 { | |
| 2562 vi[i]->vec = v[i]; | |
| 2563 vi[i]->indx = i; | |
| 2564 } | |
| 2565 | |
| 2566 indexed_sort.sort (vi, ns); | |
| 2567 | |
| 2568 for (octave_idx_type i = 0; i < ns; i++) | |
| 2569 { | |
| 2570 v[i] = vi[i]->vec; | |
| 2571 sidx(i + offset) = vi[i]->indx; | |
| 2572 } | |
| 2573 v += ns; | |
| 2574 } | |
| 2575 } | |
| 2576 else | |
| 2577 { | |
| 2578 for (octave_idx_type j = 0; j < iter; j++) | |
| 2579 { | |
| 2580 octave_idx_type offset = j; | |
| 2581 octave_idx_type offset2 = 0; | |
| 2582 while (offset >= stride) | |
| 2583 { | |
| 2584 offset -= stride; | |
| 2585 offset2++; | |
| 2586 } | |
| 2587 offset += offset2 * stride * ns; | |
| 2588 | |
| 2589 for (octave_idx_type i = 0; i < ns; i++) | |
| 2590 { | |
| 2591 vi[i]->vec = v[i*stride + offset]; | |
| 2592 vi[i]->indx = i; | |
| 2593 } | |
| 2594 | |
| 2595 indexed_sort.sort (vi, ns); | |
| 2596 | |
| 2597 for (octave_idx_type i = 0; i < ns; i++) | |
| 2598 { | |
| 2599 v[i*stride+offset] = vi[i]->vec; | |
| 2600 sidx(i*stride+offset) = vi[i]->indx; | |
| 2601 } | |
| 2602 } | |
| 2603 } | |
| 2604 | |
| 2605 return m; | |
| 2606 } | |
| 2607 | |
| 7443 | 2608 #if defined (HAVE_IEEE754_DATA_FORMAT) |
| 2609 | |
| 2610 template <> | |
| 7480 | 2611 bool ascending_compare (double, double); |
| 7443 | 2612 template <> |
| 7480 | 2613 bool ascending_compare (vec_index<double>*, vec_index<double>*); |
| 7443 | 2614 template <> |
| 7480 | 2615 bool descending_compare (double, double); |
| 7443 | 2616 template <> |
| 7480 | 2617 bool descending_compare (vec_index<double>*, vec_index<double>*); |
| 7443 | 2618 |
| 2619 template <> | |
| 2620 Array<double> Array<double>::sort (octave_idx_type dim, sortmode mode) const; | |
| 2621 template <> | |
| 2622 Array<double> Array<double>::sort (Array<octave_idx_type> &sidx, | |
| 2623 octave_idx_type dim, sortmode mode) const; | |
| 2624 | |
| 2625 #endif | |
| 2626 | |
| 5775 | 2627 // FIXME -- this is a mess. |
| 4517 | 2628 |
| 2629 template <class LT, class RT> | |
| 2630 int | |
| 2631 assign (Array<LT>& lhs, const Array<RT>& rhs, const LT& rfv) | |
| 2632 { | |
| 6388 | 2633 int n_idx = lhs.index_count (); |
| 2634 | |
| 2635 // kluge... | |
| 2636 if (lhs.ndims () == 0) | |
| 2637 lhs.resize_no_fill (0, 0); | |
| 2638 | |
| 2639 return (lhs.ndims () == 2 | |
| 2640 && (n_idx == 1 | |
| 2641 || (n_idx < 3 | |
| 2642 && rhs.ndims () == 2 | |
| 2643 && rhs.rows () == 0 && rhs.columns () == 0))) | |
| 2644 ? assign2 (lhs, rhs, rfv) : assignN (lhs, rhs, rfv); | |
| 4517 | 2645 } |
| 2646 | |
| 2647 template <class LT, class RT> | |
| 2648 int | |
| 2649 assign1 (Array<LT>& lhs, const Array<RT>& rhs, const LT& rfv) | |
| 2650 { | |
| 2651 int retval = 1; | |
| 2652 | |
| 2653 idx_vector *tmp = lhs.get_idx (); | |
| 2654 | |
| 2655 idx_vector lhs_idx = tmp[0]; | |
| 2656 | |
| 5275 | 2657 octave_idx_type lhs_len = lhs.length (); |
| 2658 octave_idx_type rhs_len = rhs.length (); | |
| 2659 | |
| 5781 | 2660 octave_idx_type n = lhs_idx.freeze (lhs_len, "vector", true); |
| 4517 | 2661 |
| 2662 if (n != 0) | |
| 2663 { | |
| 6389 | 2664 dim_vector lhs_dims = lhs.dims (); |
| 2665 | |
| 6922 | 2666 if (lhs_len != 0 |
| 2667 || lhs_dims.all_zero () | |
| 2668 || (lhs_dims.length () == 2 && lhs_dims(0) < 2)) | |
| 4517 | 2669 { |
| 6392 | 2670 if (rhs_len == n || rhs_len == 1) |
| 2671 { | |
| 6884 | 2672 lhs.make_unique (); |
| 2673 | |
| 6392 | 2674 octave_idx_type max_idx = lhs_idx.max () + 1; |
| 2675 if (max_idx > lhs_len) | |
| 2676 lhs.resize_and_fill (max_idx, rfv); | |
| 2677 } | |
| 2678 | |
| 2679 if (rhs_len == n) | |
| 2680 { | |
| 6884 | 2681 lhs.make_unique (); |
| 2682 | |
| 2683 if (lhs_idx.is_colon ()) | |
| 6392 | 2684 { |
| 6884 | 2685 for (octave_idx_type i = 0; i < n; i++) |
| 2686 lhs.xelem (i) = rhs.elem (i); | |
| 2687 } | |
| 2688 else | |
| 2689 { | |
| 2690 for (octave_idx_type i = 0; i < n; i++) | |
| 2691 { | |
| 2692 octave_idx_type ii = lhs_idx.elem (i); | |
| 2693 lhs.xelem (ii) = rhs.elem (i); | |
| 2694 } | |
| 6392 | 2695 } |
| 2696 } | |
| 2697 else if (rhs_len == 1) | |
| 2698 { | |
| 6884 | 2699 lhs.make_unique (); |
| 2700 | |
| 6392 | 2701 RT scalar = rhs.elem (0); |
| 2702 | |
| 6884 | 2703 if (lhs_idx.is_colon ()) |
| 6392 | 2704 { |
| 6884 | 2705 for (octave_idx_type i = 0; i < n; i++) |
| 2706 lhs.xelem (i) = scalar; | |
| 2707 } | |
| 2708 else | |
| 2709 { | |
| 2710 for (octave_idx_type i = 0; i < n; i++) | |
| 2711 { | |
| 2712 octave_idx_type ii = lhs_idx.elem (i); | |
| 2713 lhs.xelem (ii) = scalar; | |
| 2714 } | |
| 6392 | 2715 } |
| 2716 } | |
| 2717 else | |
| 2718 { | |
| 2719 (*current_liboctave_error_handler) | |
| 2720 ("A(I) = X: X must be a scalar or a vector with same length as I"); | |
| 2721 | |
| 2722 retval = 0; | |
| 2723 } | |
| 4517 | 2724 } |
| 6922 | 2725 else |
| 2726 { | |
| 2727 (*current_liboctave_error_handler) | |
| 2728 ("A(I) = X: unable to resize A"); | |
| 2729 | |
| 2730 retval = 0; | |
| 2731 } | |
| 4517 | 2732 } |
| 2733 else if (lhs_idx.is_colon ()) | |
| 2734 { | |
| 6384 | 2735 dim_vector lhs_dims = lhs.dims (); |
| 2736 | |
| 2737 if (lhs_dims.all_zero ()) | |
| 4517 | 2738 { |
| 6884 | 2739 lhs.make_unique (); |
| 2740 | |
| 4517 | 2741 lhs.resize_no_fill (rhs_len); |
| 2742 | |
| 5275 | 2743 for (octave_idx_type i = 0; i < rhs_len; i++) |
| 6884 | 2744 lhs.xelem (i) = rhs.elem (i); |
| 4517 | 2745 } |
| 6553 | 2746 else if (rhs_len != lhs_len) |
| 4517 | 2747 (*current_liboctave_error_handler) |
| 2748 ("A(:) = X: A must be the same size as X"); | |
| 2749 } | |
| 2750 else if (! (rhs_len == 1 || rhs_len == 0)) | |
| 2751 { | |
| 2752 (*current_liboctave_error_handler) | |
| 2753 ("A([]) = X: X must also be an empty matrix or a scalar"); | |
| 2754 | |
| 2755 retval = 0; | |
| 2756 } | |
| 2757 | |
| 2758 lhs.clear_index (); | |
| 2759 | |
| 2760 return retval; | |
| 2761 } | |
| 2762 | |
| 2763 #define MAYBE_RESIZE_LHS \ | |
| 2764 do \ | |
| 2765 { \ | |
| 5275 | 2766 octave_idx_type max_row_idx = idx_i_is_colon ? rhs_nr : idx_i.max () + 1; \ |
| 2767 octave_idx_type max_col_idx = idx_j_is_colon ? rhs_nc : idx_j.max () + 1; \ | |
| 4517 | 2768 \ |
| 5275 | 2769 octave_idx_type new_nr = max_row_idx > lhs_nr ? max_row_idx : lhs_nr; \ |
| 2770 octave_idx_type new_nc = max_col_idx > lhs_nc ? max_col_idx : lhs_nc; \ | |
| 4517 | 2771 \ |
| 2772 lhs.resize_and_fill (new_nr, new_nc, rfv); \ | |
| 2773 } \ | |
| 2774 while (0) | |
| 2775 | |
| 2776 template <class LT, class RT> | |
| 2777 int | |
| 2778 assign2 (Array<LT>& lhs, const Array<RT>& rhs, const LT& rfv) | |
| 2779 { | |
| 2780 int retval = 1; | |
| 2781 | |
| 2782 int n_idx = lhs.index_count (); | |
| 2783 | |
| 5275 | 2784 octave_idx_type lhs_nr = lhs.rows (); |
| 2785 octave_idx_type lhs_nc = lhs.cols (); | |
| 4517 | 2786 |
| 5047 | 2787 Array<RT> xrhs = rhs; |
| 2788 | |
| 5275 | 2789 octave_idx_type rhs_nr = xrhs.rows (); |
| 2790 octave_idx_type rhs_nc = xrhs.cols (); | |
| 5047 | 2791 |
| 2792 if (xrhs.ndims () > 2) | |
| 4707 | 2793 { |
| 5047 | 2794 xrhs = xrhs.squeeze (); |
| 2795 | |
| 2796 dim_vector dv_tmp = xrhs.dims (); | |
| 4709 | 2797 |
| 4708 | 2798 switch (dv_tmp.length ()) |
| 4707 | 2799 { |
| 4708 | 2800 case 1: |
| 5775 | 2801 // FIXME -- this case should be unnecessary, because |
| 5047 | 2802 // squeeze should always return an object with 2 dimensions. |
| 4708 | 2803 if (rhs_nr == 1) |
| 2804 rhs_nc = dv_tmp.elem (0); | |
| 2805 break; | |
| 4709 | 2806 |
| 4708 | 2807 case 2: |
| 4707 | 2808 rhs_nr = dv_tmp.elem (0); |
| 2809 rhs_nc = dv_tmp.elem (1); | |
| 4708 | 2810 break; |
| 2811 | |
| 2812 default: | |
| 2813 (*current_liboctave_error_handler) | |
| 2814 ("Array<T>::assign2: Dimension mismatch"); | |
| 4709 | 2815 return 0; |
| 4707 | 2816 } |
| 2817 } | |
| 4517 | 2818 |
| 6384 | 2819 bool rhs_is_scalar = rhs_nr == 1 && rhs_nc == 1; |
| 2820 | |
| 4517 | 2821 idx_vector *tmp = lhs.get_idx (); |
| 2822 | |
| 2823 idx_vector idx_i; | |
| 2824 idx_vector idx_j; | |
| 2825 | |
| 2826 if (n_idx > 1) | |
| 2827 idx_j = tmp[1]; | |
| 2828 | |
| 2829 if (n_idx > 0) | |
| 2830 idx_i = tmp[0]; | |
| 2831 | |
| 2832 if (n_idx == 2) | |
| 2833 { | |
| 5781 | 2834 octave_idx_type n = idx_i.freeze (lhs_nr, "row", true); |
| 2835 octave_idx_type m = idx_j.freeze (lhs_nc, "column", true); | |
| 4517 | 2836 |
| 2837 int idx_i_is_colon = idx_i.is_colon (); | |
| 2838 int idx_j_is_colon = idx_j.is_colon (); | |
| 2839 | |
| 6384 | 2840 if (lhs_nr == 0 && lhs_nc == 0) |
| 2841 { | |
| 2842 if (idx_i_is_colon) | |
| 2843 n = rhs_nr; | |
| 2844 | |
| 2845 if (idx_j_is_colon) | |
| 2846 m = rhs_nc; | |
| 2847 } | |
| 4517 | 2848 |
| 2849 if (idx_i && idx_j) | |
| 2850 { | |
| 2851 if (rhs_nr == 0 && rhs_nc == 0) | |
| 2852 { | |
| 2853 lhs.maybe_delete_elements (idx_i, idx_j); | |
| 2854 } | |
| 2855 else | |
| 2856 { | |
| 6384 | 2857 if (rhs_is_scalar && n >= 0 && m >= 0) |
| 4517 | 2858 { |
| 4534 | 2859 // No need to do anything if either of the indices |
| 2860 // are empty. | |
| 2861 | |
| 2862 if (n > 0 && m > 0) | |
| 4517 | 2863 { |
| 6884 | 2864 lhs.make_unique (); |
| 2865 | |
| 4534 | 2866 MAYBE_RESIZE_LHS; |
| 2867 | |
| 5047 | 2868 RT scalar = xrhs.elem (0, 0); |
| 4534 | 2869 |
| 5275 | 2870 for (octave_idx_type j = 0; j < m; j++) |
| 4517 | 2871 { |
| 5275 | 2872 octave_idx_type jj = idx_j.elem (j); |
| 2873 for (octave_idx_type i = 0; i < n; i++) | |
| 4534 | 2874 { |
| 5275 | 2875 octave_idx_type ii = idx_i.elem (i); |
| 6884 | 2876 lhs.xelem (ii, jj) = scalar; |
| 4534 | 2877 } |
| 4517 | 2878 } |
| 2879 } | |
| 2880 } | |
| 6072 | 2881 else if ((n == 1 || m == 1) |
| 2882 && (rhs_nr == 1 || rhs_nc == 1) | |
| 2883 && n * m == rhs_nr * rhs_nc) | |
| 2884 { | |
| 6884 | 2885 lhs.make_unique (); |
| 2886 | |
| 6384 | 2887 MAYBE_RESIZE_LHS; |
| 2888 | |
| 6072 | 2889 if (n > 0 && m > 0) |
| 2890 { | |
| 2891 octave_idx_type k = 0; | |
| 2892 | |
| 2893 for (octave_idx_type j = 0; j < m; j++) | |
| 2894 { | |
| 2895 octave_idx_type jj = idx_j.elem (j); | |
| 2896 for (octave_idx_type i = 0; i < n; i++) | |
| 2897 { | |
| 2898 octave_idx_type ii = idx_i.elem (i); | |
| 6884 | 2899 lhs.xelem (ii, jj) = xrhs.elem (k++); |
| 6072 | 2900 } |
| 2901 } | |
| 2902 } | |
| 2903 } | |
| 4517 | 2904 else if (n == rhs_nr && m == rhs_nc) |
| 2905 { | |
| 6884 | 2906 lhs.make_unique (); |
| 2907 | |
| 6384 | 2908 MAYBE_RESIZE_LHS; |
| 2909 | |
| 4517 | 2910 if (n > 0 && m > 0) |
| 2911 { | |
| 5275 | 2912 for (octave_idx_type j = 0; j < m; j++) |
| 4517 | 2913 { |
| 5275 | 2914 octave_idx_type jj = idx_j.elem (j); |
| 2915 for (octave_idx_type i = 0; i < n; i++) | |
| 4517 | 2916 { |
| 5275 | 2917 octave_idx_type ii = idx_i.elem (i); |
| 6884 | 2918 lhs.xelem (ii, jj) = xrhs.elem (i, j); |
| 4517 | 2919 } |
| 2920 } | |
| 2921 } | |
| 2922 } | |
| 2923 else if (n == 0 && m == 0) | |
| 2924 { | |
| 6384 | 2925 if (! (rhs_is_scalar || (rhs_nr == 0 || rhs_nc == 0))) |
| 4517 | 2926 { |
| 2927 (*current_liboctave_error_handler) | |
| 2928 ("A([], []) = X: X must be an empty matrix or a scalar"); | |
| 2929 | |
| 2930 retval = 0; | |
| 2931 } | |
| 2932 } | |
| 2933 else | |
| 2934 { | |
| 2935 (*current_liboctave_error_handler) | |
| 2936 ("A(I, J) = X: X must be a scalar or the number of elements in I must"); | |
| 2937 (*current_liboctave_error_handler) | |
| 2938 ("match the number of rows in X and the number of elements in J must"); | |
| 2939 (*current_liboctave_error_handler) | |
| 2940 ("match the number of columns in X"); | |
| 2941 | |
| 2942 retval = 0; | |
| 2943 } | |
| 2944 } | |
| 2945 } | |
| 2946 // idx_vector::freeze() printed an error message for us. | |
| 2947 } | |
| 2948 else if (n_idx == 1) | |
| 2949 { | |
| 2950 int lhs_is_empty = lhs_nr == 0 || lhs_nc == 0; | |
| 2951 | |
| 2952 if (lhs_is_empty || (lhs_nr == 1 && lhs_nc == 1)) | |
| 2953 { | |
| 5275 | 2954 octave_idx_type lhs_len = lhs.length (); |
| 2955 | |
| 6384 | 2956 idx_i.freeze (lhs_len, 0, true); |
| 4517 | 2957 |
| 2958 if (idx_i) | |
| 2959 { | |
| 2960 if (rhs_nr == 0 && rhs_nc == 0) | |
| 2961 { | |
| 6384 | 2962 lhs.maybe_delete_elements (idx_i); |
| 4517 | 2963 } |
| 2964 else | |
| 2965 { | |
| 5781 | 2966 if (lhs_is_empty |
| 2967 && idx_i.is_colon () | |
| 2968 && ! (rhs_nr == 1 || rhs_nc == 1)) | |
| 4517 | 2969 { |
| 5781 | 2970 (*current_liboctave_warning_with_id_handler) |
| 2971 ("Octave:fortran-indexing", | |
| 2972 "A(:) = X: X is not a vector or scalar"); | |
| 2973 } | |
| 2974 else | |
| 2975 { | |
| 2976 octave_idx_type idx_nr = idx_i.orig_rows (); | |
| 2977 octave_idx_type idx_nc = idx_i.orig_columns (); | |
| 2978 | |
| 2979 if (! (rhs_nr == idx_nr && rhs_nc == idx_nc)) | |
| 2980 (*current_liboctave_warning_with_id_handler) | |
| 2981 ("Octave:fortran-indexing", | |
| 2982 "A(I) = X: X does not have same shape as I"); | |
| 4517 | 2983 } |
| 2984 | |
| 5047 | 2985 if (assign1 (lhs, xrhs, rfv)) |
| 4517 | 2986 { |
| 5275 | 2987 octave_idx_type len = lhs.length (); |
| 4517 | 2988 |
| 2989 if (len > 0) | |
| 2990 { | |
| 2991 // The following behavior is much simplified | |
| 2992 // over previous versions of Octave. It | |
| 2993 // seems to be compatible with Matlab. | |
| 2994 | |
| 2995 lhs.dimensions = dim_vector (1, lhs.length ()); | |
| 2996 } | |
| 2997 } | |
| 2998 else | |
| 2999 retval = 0; | |
| 3000 } | |
| 3001 } | |
| 3002 // idx_vector::freeze() printed an error message for us. | |
| 3003 } | |
| 3004 else if (lhs_nr == 1) | |
| 3005 { | |
| 5781 | 3006 idx_i.freeze (lhs_nc, "vector", true); |
| 4517 | 3007 |
| 3008 if (idx_i) | |
| 3009 { | |
| 3010 if (rhs_nr == 0 && rhs_nc == 0) | |
| 3011 lhs.maybe_delete_elements (idx_i); | |
| 3012 else | |
| 3013 { | |
| 5047 | 3014 if (assign1 (lhs, xrhs, rfv)) |
| 4517 | 3015 lhs.dimensions = dim_vector (1, lhs.length ()); |
| 3016 else | |
| 3017 retval = 0; | |
| 3018 } | |
| 3019 } | |
| 3020 // idx_vector::freeze() printed an error message for us. | |
| 3021 } | |
| 3022 else if (lhs_nc == 1) | |
| 3023 { | |
| 5781 | 3024 idx_i.freeze (lhs_nr, "vector", true); |
| 4517 | 3025 |
| 3026 if (idx_i) | |
| 3027 { | |
| 3028 if (rhs_nr == 0 && rhs_nc == 0) | |
| 3029 lhs.maybe_delete_elements (idx_i); | |
| 3030 else | |
| 3031 { | |
| 5047 | 3032 if (assign1 (lhs, xrhs, rfv)) |
| 4517 | 3033 lhs.dimensions = dim_vector (lhs.length (), 1); |
| 3034 else | |
| 3035 retval = 0; | |
| 3036 } | |
| 3037 } | |
| 3038 // idx_vector::freeze() printed an error message for us. | |
| 3039 } | |
| 3040 else | |
| 3041 { | |
|
7573
755bf7ecc29b
eliminate one_zero stuff from idx_vector
John W. Eaton <jwe@octave.org>
parents:
7480
diff
changeset
|
3042 if (! idx_i.is_colon ()) |
| 5781 | 3043 (*current_liboctave_warning_with_id_handler) |
| 3044 ("Octave:fortran-indexing", "single index used for matrix"); | |
| 4517 | 3045 |
| 5275 | 3046 octave_idx_type len = idx_i.freeze (lhs_nr * lhs_nc, "matrix"); |
| 4517 | 3047 |
| 3048 if (idx_i) | |
| 3049 { | |
| 4756 | 3050 if (rhs_nr == 0 && rhs_nc == 0) |
| 3051 lhs.maybe_delete_elements (idx_i); | |
| 3052 else if (len == 0) | |
| 4517 | 3053 { |
| 6384 | 3054 if (! (rhs_is_scalar || (rhs_nr == 0 || rhs_nc == 0))) |
| 4517 | 3055 (*current_liboctave_error_handler) |
| 3056 ("A([]) = X: X must be an empty matrix or scalar"); | |
| 3057 } | |
| 3058 else if (len == rhs_nr * rhs_nc) | |
| 3059 { | |
| 6884 | 3060 lhs.make_unique (); |
| 3061 | |
| 3062 if (idx_i.is_colon ()) | |
| 4517 | 3063 { |
| 6884 | 3064 for (octave_idx_type i = 0; i < len; i++) |
| 3065 lhs.xelem (i) = xrhs.elem (i); | |
| 3066 } | |
| 3067 else | |
| 3068 { | |
| 3069 for (octave_idx_type i = 0; i < len; i++) | |
| 3070 { | |
| 3071 octave_idx_type ii = idx_i.elem (i); | |
| 3072 lhs.xelem (ii) = xrhs.elem (i); | |
| 3073 } | |
| 4517 | 3074 } |
| 3075 } | |
| 6384 | 3076 else if (rhs_is_scalar) |
| 4517 | 3077 { |
| 6884 | 3078 lhs.make_unique (); |
| 3079 | |
| 4517 | 3080 RT scalar = rhs.elem (0, 0); |
| 3081 | |
| 6884 | 3082 if (idx_i.is_colon ()) |
| 4517 | 3083 { |
| 6884 | 3084 for (octave_idx_type i = 0; i < len; i++) |
| 3085 lhs.xelem (i) = scalar; | |
| 3086 } | |
| 3087 else | |
| 3088 { | |
| 3089 for (octave_idx_type i = 0; i < len; i++) | |
| 3090 { | |
| 3091 octave_idx_type ii = idx_i.elem (i); | |
| 3092 lhs.xelem (ii) = scalar; | |
| 3093 } | |
| 4517 | 3094 } |
| 3095 } | |
| 3096 else | |
| 3097 { | |
| 3098 (*current_liboctave_error_handler) | |
| 3099 ("A(I) = X: X must be a scalar or a matrix with the same size as I"); | |
| 3100 | |
| 3101 retval = 0; | |
| 3102 } | |
| 3103 } | |
| 3104 // idx_vector::freeze() printed an error message for us. | |
| 3105 } | |
| 3106 } | |
| 3107 else | |
| 3108 { | |
| 3109 (*current_liboctave_error_handler) | |
| 3110 ("invalid number of indices for matrix expression"); | |
| 3111 | |
| 3112 retval = 0; | |
| 3113 } | |
| 3114 | |
| 3115 lhs.clear_index (); | |
| 3116 | |
| 3117 return retval; | |
| 3118 } | |
| 3119 | |
| 3120 template <class LT, class RT> | |
| 3121 int | |
| 3122 assignN (Array<LT>& lhs, const Array<RT>& rhs, const LT& rfv) | |
| 3123 { | |
| 3124 int retval = 1; | |
| 3125 | |
| 4746 | 3126 dim_vector rhs_dims = rhs.dims (); |
| 3127 | |
| 5275 | 3128 octave_idx_type rhs_dims_len = rhs_dims.length (); |
| 4746 | 3129 |
| 3130 bool rhs_is_scalar = is_scalar (rhs_dims); | |
| 3131 | |
| 4517 | 3132 int n_idx = lhs.index_count (); |
| 3133 | |
| 4745 | 3134 idx_vector *idx_vex = lhs.get_idx (); |
| 3135 | |
| 3136 Array<idx_vector> idx = conv_to_array (idx_vex, n_idx); | |
| 4517 | 3137 |
| 4743 | 3138 if (rhs_dims_len == 2 && rhs_dims(0) == 0 && rhs_dims(1) == 0) |
| 4517 | 3139 { |
| 3140 lhs.maybe_delete_elements (idx, rfv); | |
| 3141 } | |
| 5285 | 3142 else if (n_idx == 0) |
| 3143 { | |
| 3144 (*current_liboctave_error_handler) | |
| 3145 ("invalid number of indices for matrix expression"); | |
| 3146 | |
| 3147 retval = 0; | |
| 3148 } | |
| 4657 | 3149 else if (n_idx == 1) |
| 4517 | 3150 { |
| 4657 | 3151 idx_vector iidx = idx(0); |
| 6884 | 3152 int iidx_is_colon = iidx.is_colon (); |
| 3153 | |
|
7573
755bf7ecc29b
eliminate one_zero stuff from idx_vector
John W. Eaton <jwe@octave.org>
parents:
7480
diff
changeset
|
3154 if (! iidx_is_colon) |
| 5781 | 3155 (*current_liboctave_warning_with_id_handler) |
| 3156 ("Octave:fortran-indexing", "single index used for N-d array"); | |
| 4657 | 3157 |
| 5275 | 3158 octave_idx_type lhs_len = lhs.length (); |
| 3159 | |
| 3160 octave_idx_type len = iidx.freeze (lhs_len, "N-d arrray"); | |
| 4657 | 3161 |
| 3162 if (iidx) | |
| 4533 | 3163 { |
| 4657 | 3164 if (len == 0) |
| 4656 | 3165 { |
| 5039 | 3166 if (! (rhs_dims.all_ones () || rhs_dims.any_zero ())) |
| 4743 | 3167 { |
| 3168 (*current_liboctave_error_handler) | |
| 3169 ("A([]) = X: X must be an empty matrix or scalar"); | |
| 3170 | |
| 3171 retval = 0; | |
| 3172 } | |
| 4657 | 3173 } |
| 3174 else if (len == rhs.length ()) | |
| 3175 { | |
| 6884 | 3176 lhs.make_unique (); |
| 3177 | |
| 3178 if (iidx_is_colon) | |
| 4656 | 3179 { |
| 6884 | 3180 for (octave_idx_type i = 0; i < len; i++) |
| 3181 lhs.xelem (i) = rhs.elem (i); | |
| 3182 } | |
| 3183 else | |
| 3184 { | |
| 3185 for (octave_idx_type i = 0; i < len; i++) | |
| 3186 { | |
| 3187 octave_idx_type ii = iidx.elem (i); | |
| 3188 | |
| 3189 lhs.xelem (ii) = rhs.elem (i); | |
| 3190 } | |
| 4656 | 3191 } |
| 3192 } | |
| 4716 | 3193 else if (rhs_is_scalar) |
| 4657 | 3194 { |
| 3195 RT scalar = rhs.elem (0); | |
| 3196 | |
| 6884 | 3197 lhs.make_unique (); |
| 3198 | |
| 3199 if (iidx_is_colon) | |
| 4657 | 3200 { |
| 6884 | 3201 for (octave_idx_type i = 0; i < len; i++) |
| 3202 lhs.xelem (i) = scalar; | |
| 3203 } | |
| 3204 else | |
| 3205 { | |
| 3206 for (octave_idx_type i = 0; i < len; i++) | |
| 3207 { | |
| 3208 octave_idx_type ii = iidx.elem (i); | |
| 3209 | |
| 3210 lhs.xelem (ii) = scalar; | |
| 3211 } | |
| 4657 | 3212 } |
| 3213 } | |
| 3214 else | |
| 3215 { | |
| 3216 (*current_liboctave_error_handler) | |
| 4702 | 3217 ("A(I) = X: X must be a scalar or a matrix with the same size as I"); |
| 3218 | |
| 4657 | 3219 retval = 0; |
| 3220 } | |
| 3221 | |
| 4656 | 3222 // idx_vector::freeze() printed an error message for us. |
| 4533 | 3223 } |
| 4702 | 3224 } |
| 4743 | 3225 else |
| 4702 | 3226 { |
| 4746 | 3227 // Maybe expand to more dimensions. |
| 3228 | |
| 3229 dim_vector lhs_dims = lhs.dims (); | |
| 3230 | |
| 5275 | 3231 octave_idx_type lhs_dims_len = lhs_dims.length (); |
| 4746 | 3232 |
| 3233 dim_vector final_lhs_dims = lhs_dims; | |
| 3234 | |
| 3235 dim_vector frozen_len; | |
| 3236 | |
| 5275 | 3237 octave_idx_type orig_lhs_dims_len = lhs_dims_len; |
| 4747 | 3238 |
| 3239 bool orig_empty = lhs_dims.all_zero (); | |
| 3240 | |
| 3241 if (n_idx < lhs_dims_len) | |
| 4517 | 3242 { |
| 5052 | 3243 // Collapse dimensions beyond last index. Note that we |
| 3244 // delay resizing LHS until we know that the assignment will | |
| 3245 // succeed. | |
| 4747 | 3246 |
| 5781 | 3247 if (! (idx(n_idx-1).is_colon ())) |
| 3248 (*current_liboctave_warning_with_id_handler) | |
| 3249 ("Octave:fortran-indexing", | |
| 3250 "fewer indices than dimensions for N-d array"); | |
| 4747 | 3251 |
| 3252 for (int i = n_idx; i < lhs_dims_len; i++) | |
| 3253 lhs_dims(n_idx-1) *= lhs_dims(i); | |
| 3254 | |
| 3255 lhs_dims.resize (n_idx); | |
| 3256 | |
| 3257 lhs_dims_len = lhs_dims.length (); | |
| 3258 } | |
| 3259 | |
| 3260 // Resize. | |
| 3261 | |
| 3262 dim_vector new_dims; | |
| 3263 new_dims.resize (n_idx); | |
| 3264 | |
| 5264 | 3265 if (orig_empty) |
| 4747 | 3266 { |
| 5264 | 3267 int k = 0; |
| 3268 for (int i = 0; i < n_idx; i++) | |
| 4746 | 3269 { |
| 4747 | 3270 // If index is a colon, resizing to RHS dimensions is |
| 3271 // allowed because we started out empty. | |
| 4746 | 3272 |
| 5264 | 3273 if (idx(i).is_colon ()) |
| 3274 { | |
| 3275 if (k < rhs_dims.length ()) | |
| 3276 new_dims(i) = rhs_dims(k++); | |
| 3277 else | |
| 5379 | 3278 new_dims(i) = 1; |
| 3279 } | |
| 3280 else | |
| 3281 { | |
| 3282 octave_idx_type nelem = idx(i).capacity (); | |
| 3283 | |
| 3284 if (nelem >= 1 | |
| 6388 | 3285 && ((k < rhs_dims.length () && nelem == rhs_dims(k)) |
|
7605
48488cca0006
Fix for array indexing if original matrix is empty
David Bateman <dbateman@free.fr>
parents:
7597
diff
changeset
|
3286 || rhs_is_scalar) || ! idx(i).is_colon()) |
| 5379 | 3287 k++; |
| 6388 | 3288 else if (! (nelem == 1 || rhs_is_scalar)) |
| 5264 | 3289 { |
| 3290 (*current_liboctave_error_handler) | |
| 5379 | 3291 ("A(IDX-LIST) = RHS: mismatched index and RHS dimension"); |
| 5264 | 3292 return retval; |
| 3293 } | |
| 5379 | 3294 |
| 6388 | 3295 new_dims(i) = idx(i).orig_empty () ? 0 : idx(i).max () + 1; |
| 5264 | 3296 } |
| 4746 | 3297 } |
| 5264 | 3298 } |
| 3299 else | |
| 3300 { | |
| 3301 for (int i = 0; i < n_idx; i++) | |
| 4746 | 3302 { |
| 4747 | 3303 // We didn't start out with all zero dimensions, so if |
| 3304 // index is a colon, it refers to the current LHS | |
| 3305 // dimension. Otherwise, it is OK to enlarge to a | |
| 5264 | 3306 // dimension given by the largest index, but if that |
| 4898 | 3307 // index is a colon the new dimension is singleton. |
| 4749 | 3308 |
| 3309 if (i < lhs_dims_len | |
| 6481 | 3310 && (idx(i).is_colon () |
| 3311 || idx(i).orig_empty () | |
| 3312 || idx(i).max () < lhs_dims(i))) | |
| 4749 | 3313 new_dims(i) = lhs_dims(i); |
| 3314 else if (! idx(i).is_colon ()) | |
| 3315 new_dims(i) = idx(i).max () + 1; | |
| 3316 else | |
| 4898 | 3317 new_dims(i) = 1; |
| 4745 | 3318 } |
| 4747 | 3319 } |
| 3320 | |
| 4749 | 3321 if (retval != 0) |
| 4747 | 3322 { |
| 4749 | 3323 if (! orig_empty |
| 3324 && n_idx < orig_lhs_dims_len | |
| 3325 && new_dims(n_idx-1) != lhs_dims(n_idx-1)) | |
| 4702 | 3326 { |
| 4749 | 3327 // We reshaped and the last dimension changed. This has to |
| 3328 // be an error, because we don't know how to undo that | |
| 3329 // later... | |
| 3330 | |
| 3331 (*current_liboctave_error_handler) | |
| 3332 ("array index %d (= %d) for assignment requires invalid resizing operation", | |
| 3333 n_idx, new_dims(n_idx-1)); | |
| 3334 | |
| 3335 retval = 0; | |
| 4743 | 3336 } |
| 3337 else | |
| 3338 { | |
| 5052 | 3339 // Determine final dimensions for LHS and reset the |
| 3340 // current size of the LHS. Note that we delay actually | |
| 3341 // resizing LHS until we know that the assignment will | |
| 3342 // succeed. | |
| 3343 | |
| 4749 | 3344 if (n_idx < orig_lhs_dims_len) |
| 4743 | 3345 { |
| 4749 | 3346 for (int i = 0; i < n_idx-1; i++) |
| 3347 final_lhs_dims(i) = new_dims(i); | |
| 4747 | 3348 } |
| 3349 else | |
| 4749 | 3350 final_lhs_dims = new_dims; |
| 3351 | |
| 5837 | 3352 lhs_dims_len = new_dims.length (); |
| 3353 | |
| 3354 frozen_len = freeze (idx, new_dims, true); | |
| 4749 | 3355 |
| 6141 | 3356 for (int i = 0; i < idx.length (); i++) |
| 3357 { | |
| 3358 if (! idx(i)) | |
| 3359 { | |
| 3360 retval = 0; | |
| 3361 lhs.clear_index (); | |
| 3362 return retval; | |
| 3363 } | |
| 3364 } | |
| 3365 | |
| 4749 | 3366 if (rhs_is_scalar) |
| 4747 | 3367 { |
| 6884 | 3368 lhs.make_unique (); |
| 3369 | |
| 5837 | 3370 if (n_idx < orig_lhs_dims_len) |
| 3371 lhs = lhs.reshape (lhs_dims); | |
| 3372 | |
| 5052 | 3373 lhs.resize_and_fill (new_dims, rfv); |
| 3374 | |
| 4747 | 3375 if (! final_lhs_dims.any_zero ()) |
| 3376 { | |
| 4749 | 3377 RT scalar = rhs.elem (0); |
| 3378 | |
| 6388 | 3379 if (n_idx == 1) |
| 3380 { | |
| 3381 idx_vector iidx = idx(0); | |
| 3382 | |
| 3383 octave_idx_type len = frozen_len(0); | |
| 3384 | |
| 6884 | 3385 if (iidx.is_colon ()) |
| 3386 { | |
| 3387 for (octave_idx_type i = 0; i < len; i++) | |
| 3388 lhs.xelem (i) = scalar; | |
| 3389 } | |
| 3390 else | |
| 6388 | 3391 { |
| 6884 | 3392 for (octave_idx_type i = 0; i < len; i++) |
| 3393 { | |
| 3394 octave_idx_type ii = iidx.elem (i); | |
| 3395 | |
| 3396 lhs.xelem (ii) = scalar; | |
| 3397 } | |
| 6388 | 3398 } |
| 3399 } | |
| 3400 else if (lhs_dims_len == 2 && n_idx == 2) | |
| 4747 | 3401 { |
| 6388 | 3402 idx_vector idx_i = idx(0); |
| 3403 idx_vector idx_j = idx(1); | |
| 3404 | |
| 3405 octave_idx_type i_len = frozen_len(0); | |
| 3406 octave_idx_type j_len = frozen_len(1); | |
| 3407 | |
| 6884 | 3408 if (idx_i.is_colon()) |
| 6388 | 3409 { |
| 6884 | 3410 for (octave_idx_type j = 0; j < j_len; j++) |
| 6388 | 3411 { |
| 6884 | 3412 octave_idx_type off = new_dims (0) * |
| 3413 idx_j.elem (j); | |
| 3414 for (octave_idx_type i = 0; i < i_len; i++) | |
| 3415 lhs.xelem (i + off) = scalar; | |
| 3416 } | |
| 3417 } | |
| 3418 else | |
| 3419 { | |
| 3420 for (octave_idx_type j = 0; j < j_len; j++) | |
| 3421 { | |
| 3422 octave_idx_type off = new_dims (0) * | |
| 3423 idx_j.elem (j); | |
| 3424 for (octave_idx_type i = 0; i < i_len; i++) | |
| 3425 { | |
| 3426 octave_idx_type ii = idx_i.elem (i); | |
| 3427 lhs.xelem (ii + off) = scalar; | |
| 3428 } | |
| 6388 | 3429 } |
| 3430 } | |
| 3431 } | |
| 3432 else | |
| 3433 { | |
| 3434 octave_idx_type n = Array<LT>::get_size (frozen_len); | |
| 3435 | |
| 3436 Array<octave_idx_type> result_idx (lhs_dims_len, 0); | |
| 3437 | |
| 3438 for (octave_idx_type i = 0; i < n; i++) | |
| 3439 { | |
| 3440 Array<octave_idx_type> elt_idx = get_elt_idx (idx, result_idx); | |
| 3441 | |
| 6884 | 3442 lhs.xelem (elt_idx) = scalar; |
| 6388 | 3443 |
| 3444 increment_index (result_idx, frozen_len); | |
| 3445 } | |
| 4747 | 3446 } |
| 3447 } | |
| 4743 | 3448 } |
| 4749 | 3449 else |
| 3450 { | |
| 3451 // RHS is matrix or higher dimension. | |
| 3452 | |
| 5275 | 3453 octave_idx_type n = Array<LT>::get_size (frozen_len); |
| 5264 | 3454 |
| 3455 if (n != rhs.numel ()) | |
| 4749 | 3456 { |
| 3457 (*current_liboctave_error_handler) | |
| 3458 ("A(IDX-LIST) = X: X must be a scalar or size of X must equal number of elements indexed by IDX-LIST"); | |
| 3459 | |
| 3460 retval = 0; | |
| 3461 } | |
| 3462 else | |
| 3463 { | |
| 6884 | 3464 lhs.make_unique (); |
| 3465 | |
| 5837 | 3466 if (n_idx < orig_lhs_dims_len) |
| 3467 lhs = lhs.reshape (lhs_dims); | |
| 3468 | |
| 5052 | 3469 lhs.resize_and_fill (new_dims, rfv); |
| 3470 | |
| 4749 | 3471 if (! final_lhs_dims.any_zero ()) |
| 3472 { | |
| 6388 | 3473 if (n_idx == 1) |
| 3474 { | |
| 3475 idx_vector iidx = idx(0); | |
| 3476 | |
| 3477 octave_idx_type len = frozen_len(0); | |
| 3478 | |
| 6884 | 3479 if (iidx.is_colon ()) |
| 3480 { | |
| 3481 for (octave_idx_type i = 0; i < len; i++) | |
| 3482 lhs.xelem (i) = rhs.elem (i); | |
| 3483 } | |
| 3484 else | |
| 6388 | 3485 { |
| 6884 | 3486 for (octave_idx_type i = 0; i < len; i++) |
| 3487 { | |
| 3488 octave_idx_type ii = iidx.elem (i); | |
| 3489 | |
| 3490 lhs.xelem (ii) = rhs.elem (i); | |
| 3491 } | |
| 6388 | 3492 } |
| 3493 } | |
| 3494 else if (lhs_dims_len == 2 && n_idx == 2) | |
| 4749 | 3495 { |
| 6388 | 3496 idx_vector idx_i = idx(0); |
| 3497 idx_vector idx_j = idx(1); | |
| 3498 | |
| 3499 octave_idx_type i_len = frozen_len(0); | |
| 3500 octave_idx_type j_len = frozen_len(1); | |
| 3501 octave_idx_type k = 0; | |
| 3502 | |
| 6884 | 3503 if (idx_i.is_colon()) |
| 6388 | 3504 { |
| 6884 | 3505 for (octave_idx_type j = 0; j < j_len; j++) |
| 6388 | 3506 { |
| 6884 | 3507 octave_idx_type off = new_dims (0) * |
| 3508 idx_j.elem (j); | |
| 3509 for (octave_idx_type i = 0; | |
| 3510 i < i_len; i++) | |
| 3511 lhs.xelem (i + off) = rhs.elem (k++); | |
| 6388 | 3512 } |
| 3513 } | |
| 6884 | 3514 else |
| 3515 { | |
| 3516 for (octave_idx_type j = 0; j < j_len; j++) | |
| 3517 { | |
| 3518 octave_idx_type off = new_dims (0) * | |
| 3519 idx_j.elem (j); | |
| 3520 for (octave_idx_type i = 0; i < i_len; i++) | |
| 3521 { | |
| 3522 octave_idx_type ii = idx_i.elem (i); | |
| 3523 lhs.xelem (ii + off) = rhs.elem (k++); | |
| 3524 } | |
| 3525 } | |
| 3526 } | |
| 3527 | |
| 6388 | 3528 } |
| 3529 else | |
| 3530 { | |
| 3531 n = Array<LT>::get_size (frozen_len); | |
| 3532 | |
| 3533 Array<octave_idx_type> result_idx (lhs_dims_len, 0); | |
| 3534 | |
| 3535 for (octave_idx_type i = 0; i < n; i++) | |
| 3536 { | |
| 3537 Array<octave_idx_type> elt_idx = get_elt_idx (idx, result_idx); | |
| 3538 | |
| 6884 | 3539 lhs.xelem (elt_idx) = rhs.elem (i); |
| 6388 | 3540 |
| 3541 increment_index (result_idx, frozen_len); | |
| 3542 } | |
| 4749 | 3543 } |
| 3544 } | |
| 3545 } | |
| 3546 } | |
| 4743 | 3547 } |
| 4517 | 3548 } |
| 4745 | 3549 |
| 5632 | 3550 lhs.clear_index (); |
| 3551 | |
| 5052 | 3552 if (retval != 0) |
| 5516 | 3553 lhs = lhs.reshape (final_lhs_dims); |
| 4517 | 3554 } |
| 3555 | |
| 5052 | 3556 if (retval != 0) |
| 3557 lhs.chop_trailing_singletons (); | |
| 4757 | 3558 |
| 4517 | 3559 lhs.clear_index (); |
| 3560 | |
| 3561 return retval; | |
| 3562 } | |
| 3563 | |
| 3564 template <class T> | |
| 3565 void | |
| 3933 | 3566 Array<T>::print_info (std::ostream& os, const std::string& prefix) const |
| 3567 { | |
| 3568 os << prefix << "rep address: " << rep << "\n" | |
| 3569 << prefix << "rep->len: " << rep->len << "\n" | |
| 3570 << prefix << "rep->data: " << static_cast<void *> (rep->data) << "\n" | |
| 3571 << prefix << "rep->count: " << rep->count << "\n"; | |
| 4513 | 3572 |
| 3573 // 2D info: | |
| 3574 // | |
| 4657 | 3575 // << pefix << "rows: " << rows () << "\n" |
| 4513 | 3576 // << prefix << "cols: " << cols () << "\n"; |
| 3933 | 3577 } |
| 3578 | |
| 237 | 3579 /* |
| 3580 ;;; Local Variables: *** | |
| 3581 ;;; mode: C++ *** | |
| 3582 ;;; End: *** | |
| 3583 */ |