2 * Copyright 2008-2009 Katholieke Universiteit Leuven
4 * Use of this software is governed by the MIT license
6 * Written by Sven Verdoolaege, K.U.Leuven, Departement
7 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
10 #include <isl_ctx_private.h>
13 #include <isl_val_private.h>
15 isl_ctx *isl_vec_get_ctx(__isl_keep isl_vec *vec)
17 return vec ? vec->ctx : NULL;
20 struct isl_vec *isl_vec_alloc(struct isl_ctx *ctx, unsigned size)
24 vec = isl_alloc_type(ctx, struct isl_vec);
28 vec->block = isl_blk_alloc(ctx, size);
29 if (isl_blk_is_error(vec->block))
36 vec->el = vec->block.data;
40 isl_blk_free(ctx, vec->block);
44 __isl_give isl_vec *isl_vec_extend(__isl_take isl_vec *vec, unsigned size)
48 if (size <= vec->size)
51 vec = isl_vec_cow(vec);
55 vec->block = isl_blk_extend(vec->ctx, vec->block, size);
60 vec->el = vec->block.data;
68 __isl_give isl_vec *isl_vec_zero_extend(__isl_take isl_vec *vec, unsigned size)
74 if (size <= vec->size)
77 vec = isl_vec_cow(vec);
81 extra = size - vec->size;
82 vec = isl_vec_extend(vec, size);
86 isl_seq_clr(vec->el + size - extra, extra);
91 /* Return a vector containing the elements of "vec1" followed by
94 __isl_give isl_vec *isl_vec_concat(__isl_take isl_vec *vec1,
95 __isl_take isl_vec *vec2)
100 if (vec2->size == 0) {
105 if (vec1->size == 0) {
110 vec1 = isl_vec_extend(vec1, vec1->size + vec2->size);
114 isl_seq_cpy(vec1->el + vec1->size - vec2->size, vec2->el, vec2->size);
124 struct isl_vec *isl_vec_copy(struct isl_vec *vec)
133 struct isl_vec *isl_vec_dup(struct isl_vec *vec)
135 struct isl_vec *vec2;
139 vec2 = isl_vec_alloc(vec->ctx, vec->size);
142 isl_seq_cpy(vec2->el, vec->el, vec->size);
146 struct isl_vec *isl_vec_cow(struct isl_vec *vec)
148 struct isl_vec *vec2;
155 vec2 = isl_vec_dup(vec);
160 void *isl_vec_free(__isl_take isl_vec *vec)
168 isl_ctx_deref(vec->ctx);
169 isl_blk_free(vec->ctx, vec->block);
175 int isl_vec_size(__isl_keep isl_vec *vec)
177 return vec ? vec->size : -1;
180 int isl_vec_get_element(__isl_keep isl_vec *vec, int pos, isl_int *v)
185 if (pos < 0 || pos >= vec->size)
186 isl_die(vec->ctx, isl_error_invalid, "position out of range",
188 isl_int_set(*v, vec->el[pos]);
192 /* Extract the element at position "pos" of "vec".
194 __isl_give isl_val *isl_vec_get_element_val(__isl_keep isl_vec *vec, int pos)
200 ctx = isl_vec_get_ctx(vec);
201 if (pos < 0 || pos >= vec->size)
202 isl_die(ctx, isl_error_invalid, "position out of range",
204 return isl_val_int_from_isl_int(ctx, vec->el[pos]);
207 __isl_give isl_vec *isl_vec_set_element(__isl_take isl_vec *vec,
210 vec = isl_vec_cow(vec);
213 if (pos < 0 || pos >= vec->size)
214 isl_die(vec->ctx, isl_error_invalid, "position out of range",
216 isl_int_set(vec->el[pos], v);
223 __isl_give isl_vec *isl_vec_set_element_si(__isl_take isl_vec *vec,
226 vec = isl_vec_cow(vec);
229 if (pos < 0 || pos >= vec->size)
230 isl_die(vec->ctx, isl_error_invalid, "position out of range",
232 isl_int_set_si(vec->el[pos], v);
239 /* Replace the element at position "pos" of "vec" by "v".
241 __isl_give isl_vec *isl_vec_set_element_val(__isl_take isl_vec *vec,
242 int pos, __isl_take isl_val *v)
245 return isl_vec_free(vec);
246 if (!isl_val_is_int(v))
247 isl_die(isl_val_get_ctx(v), isl_error_invalid,
248 "expecting integer value", goto error);
249 vec = isl_vec_set_element(vec, pos, v->n);
254 return isl_vec_free(vec);
257 int isl_vec_is_equal(__isl_keep isl_vec *vec1, __isl_keep isl_vec *vec2)
262 if (vec1->size != vec2->size)
265 return isl_seq_eq(vec1->el, vec2->el, vec1->size);
268 __isl_give isl_printer *isl_printer_print_vec(__isl_take isl_printer *printer,
269 __isl_keep isl_vec *vec)
273 if (!printer || !vec)
276 printer = isl_printer_print_str(printer, "[");
277 for (i = 0; i < vec->size; ++i) {
279 printer = isl_printer_print_str(printer, ",");
280 printer = isl_printer_print_isl_int(printer, vec->el[i]);
282 printer = isl_printer_print_str(printer, "]");
286 isl_printer_free(printer);
290 void isl_vec_dump(struct isl_vec *vec)
292 isl_printer *printer;
297 printer = isl_printer_to_file(vec->ctx, stderr);
298 printer = isl_printer_print_vec(printer, vec);
299 printer = isl_printer_end_line(printer);
301 isl_printer_free(printer);
304 __isl_give isl_vec *isl_vec_set(__isl_take isl_vec *vec, isl_int v)
306 vec = isl_vec_cow(vec);
309 isl_seq_set(vec->el, v, vec->size);
313 __isl_give isl_vec *isl_vec_set_si(__isl_take isl_vec *vec, int v)
315 vec = isl_vec_cow(vec);
318 isl_seq_set_si(vec->el, v, vec->size);
322 /* Replace all elements of "vec" by "v".
324 __isl_give isl_vec *isl_vec_set_val(__isl_take isl_vec *vec,
325 __isl_take isl_val *v)
327 vec = isl_vec_cow(vec);
330 if (!isl_val_is_int(v))
331 isl_die(isl_val_get_ctx(v), isl_error_invalid,
332 "expecting integer value", goto error);
333 isl_seq_set(vec->el, v->n, vec->size);
342 __isl_give isl_vec *isl_vec_clr(__isl_take isl_vec *vec)
344 vec = isl_vec_cow(vec);
347 isl_seq_clr(vec->el, vec->size);
351 void isl_vec_lcm(struct isl_vec *vec, isl_int *lcm)
353 isl_seq_lcm(vec->block.data, vec->size, lcm);
356 /* Given a rational vector, with the denominator in the first element
357 * of the vector, round up all coordinates.
359 struct isl_vec *isl_vec_ceil(struct isl_vec *vec)
361 vec = isl_vec_cow(vec);
365 isl_seq_cdiv_q(vec->el + 1, vec->el + 1, vec->el[0], vec->size - 1);
367 isl_int_set_si(vec->el[0], 1);
372 struct isl_vec *isl_vec_normalize(struct isl_vec *vec)
376 isl_seq_normalize(vec->ctx, vec->el, vec->size);
380 __isl_give isl_vec *isl_vec_neg(__isl_take isl_vec *vec)
382 vec = isl_vec_cow(vec);
385 isl_seq_neg(vec->el, vec->el, vec->size);
389 __isl_give isl_vec *isl_vec_scale(__isl_take isl_vec *vec, isl_int m)
391 if (isl_int_is_one(m))
393 vec = isl_vec_cow(vec);
396 isl_seq_scale(vec->el, vec->el, m, vec->size);
400 /* Reduce the elements of "vec" modulo "m".
402 __isl_give isl_vec *isl_vec_fdiv_r(__isl_take isl_vec *vec, isl_int m)
404 vec = isl_vec_cow(vec);
408 isl_seq_fdiv_r(vec->el, vec->el, m, vec->size);
413 __isl_give isl_vec *isl_vec_add(__isl_take isl_vec *vec1,
414 __isl_take isl_vec *vec2)
416 vec1 = isl_vec_cow(vec1);
420 isl_assert(vec1->ctx, vec1->size == vec2->size, goto error);
422 isl_seq_combine(vec1->el, vec1->ctx->one, vec1->el,
423 vec1->ctx->one, vec2->el, vec1->size);
433 static int qsort_int_cmp(const void *p1, const void *p2)
435 const isl_int *i1 = (const isl_int *) p1;
436 const isl_int *i2 = (const isl_int *) p2;
438 return isl_int_cmp(*i1, *i2);
441 __isl_give isl_vec *isl_vec_sort(__isl_take isl_vec *vec)
446 qsort(vec->el, vec->size, sizeof(*vec->el), &qsort_int_cmp);
451 __isl_give isl_vec *isl_vec_drop_els(__isl_take isl_vec *vec,
452 unsigned pos, unsigned n)
456 vec = isl_vec_cow(vec);
460 if (pos + n > vec->size)
461 isl_die(vec->ctx, isl_error_invalid,
462 "range out of bounds", goto error);
464 if (pos + n != vec->size)
465 isl_seq_cpy(vec->el + pos, vec->el + pos + n,
466 vec->size - pos - n);
476 __isl_give isl_vec *isl_vec_insert_els(__isl_take isl_vec *vec,
477 unsigned pos, unsigned n)
487 isl_die(vec->ctx, isl_error_invalid,
488 "position out of bounds", goto error);
490 ext = isl_vec_alloc(vec->ctx, vec->size + n);
494 isl_seq_cpy(ext->el, vec->el, pos);
495 isl_seq_cpy(ext->el + pos + n, vec->el + pos, vec->size - pos);
505 __isl_give isl_vec *isl_vec_insert_zero_els(__isl_take isl_vec *vec,
506 unsigned pos, unsigned n)
508 vec = isl_vec_insert_els(vec, pos, n);
512 isl_seq_clr(vec->el + pos, n);