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 __isl_give isl_vec *isl_vec_set_element(__isl_take isl_vec *vec,
195 vec = isl_vec_cow(vec);
198 if (pos < 0 || pos >= vec->size)
199 isl_die(vec->ctx, isl_error_invalid, "position out of range",
201 isl_int_set(vec->el[pos], v);
208 __isl_give isl_vec *isl_vec_set_element_si(__isl_take isl_vec *vec,
211 vec = isl_vec_cow(vec);
214 if (pos < 0 || pos >= vec->size)
215 isl_die(vec->ctx, isl_error_invalid, "position out of range",
217 isl_int_set_si(vec->el[pos], v);
224 /* Replace the element at position "pos" of "vec" by "v".
226 __isl_give isl_vec *isl_vec_set_element_val(__isl_take isl_vec *vec,
227 int pos, __isl_take isl_val *v)
230 return isl_vec_free(vec);
231 if (!isl_val_is_int(v))
232 isl_die(isl_val_get_ctx(v), isl_error_invalid,
233 "expecting integer value", goto error);
234 vec = isl_vec_set_element(vec, pos, v->n);
239 return isl_vec_free(vec);
242 int isl_vec_is_equal(__isl_keep isl_vec *vec1, __isl_keep isl_vec *vec2)
247 if (vec1->size != vec2->size)
250 return isl_seq_eq(vec1->el, vec2->el, vec1->size);
253 __isl_give isl_printer *isl_printer_print_vec(__isl_take isl_printer *printer,
254 __isl_keep isl_vec *vec)
258 if (!printer || !vec)
261 printer = isl_printer_print_str(printer, "[");
262 for (i = 0; i < vec->size; ++i) {
264 printer = isl_printer_print_str(printer, ",");
265 printer = isl_printer_print_isl_int(printer, vec->el[i]);
267 printer = isl_printer_print_str(printer, "]");
271 isl_printer_free(printer);
275 void isl_vec_dump(struct isl_vec *vec)
277 isl_printer *printer;
282 printer = isl_printer_to_file(vec->ctx, stderr);
283 printer = isl_printer_print_vec(printer, vec);
284 printer = isl_printer_end_line(printer);
286 isl_printer_free(printer);
289 __isl_give isl_vec *isl_vec_set(__isl_take isl_vec *vec, isl_int v)
291 vec = isl_vec_cow(vec);
294 isl_seq_set(vec->el, v, vec->size);
298 __isl_give isl_vec *isl_vec_set_si(__isl_take isl_vec *vec, int v)
300 vec = isl_vec_cow(vec);
303 isl_seq_set_si(vec->el, v, vec->size);
307 __isl_give isl_vec *isl_vec_clr(__isl_take isl_vec *vec)
309 vec = isl_vec_cow(vec);
312 isl_seq_clr(vec->el, vec->size);
316 void isl_vec_lcm(struct isl_vec *vec, isl_int *lcm)
318 isl_seq_lcm(vec->block.data, vec->size, lcm);
321 /* Given a rational vector, with the denominator in the first element
322 * of the vector, round up all coordinates.
324 struct isl_vec *isl_vec_ceil(struct isl_vec *vec)
326 vec = isl_vec_cow(vec);
330 isl_seq_cdiv_q(vec->el + 1, vec->el + 1, vec->el[0], vec->size - 1);
332 isl_int_set_si(vec->el[0], 1);
337 struct isl_vec *isl_vec_normalize(struct isl_vec *vec)
341 isl_seq_normalize(vec->ctx, vec->el, vec->size);
345 __isl_give isl_vec *isl_vec_neg(__isl_take isl_vec *vec)
347 vec = isl_vec_cow(vec);
350 isl_seq_neg(vec->el, vec->el, vec->size);
354 __isl_give isl_vec *isl_vec_scale(__isl_take isl_vec *vec, isl_int m)
356 if (isl_int_is_one(m))
358 vec = isl_vec_cow(vec);
361 isl_seq_scale(vec->el, vec->el, m, vec->size);
365 /* Reduce the elements of "vec" modulo "m".
367 __isl_give isl_vec *isl_vec_fdiv_r(__isl_take isl_vec *vec, isl_int m)
369 vec = isl_vec_cow(vec);
373 isl_seq_fdiv_r(vec->el, vec->el, m, vec->size);
378 __isl_give isl_vec *isl_vec_add(__isl_take isl_vec *vec1,
379 __isl_take isl_vec *vec2)
381 vec1 = isl_vec_cow(vec1);
385 isl_assert(vec1->ctx, vec1->size == vec2->size, goto error);
387 isl_seq_combine(vec1->el, vec1->ctx->one, vec1->el,
388 vec1->ctx->one, vec2->el, vec1->size);
398 static int qsort_int_cmp(const void *p1, const void *p2)
400 const isl_int *i1 = (const isl_int *) p1;
401 const isl_int *i2 = (const isl_int *) p2;
403 return isl_int_cmp(*i1, *i2);
406 __isl_give isl_vec *isl_vec_sort(__isl_take isl_vec *vec)
411 qsort(vec->el, vec->size, sizeof(*vec->el), &qsort_int_cmp);
416 __isl_give isl_vec *isl_vec_drop_els(__isl_take isl_vec *vec,
417 unsigned pos, unsigned n)
421 vec = isl_vec_cow(vec);
425 if (pos + n > vec->size)
426 isl_die(vec->ctx, isl_error_invalid,
427 "range out of bounds", goto error);
429 if (pos + n != vec->size)
430 isl_seq_cpy(vec->el + pos, vec->el + pos + n,
431 vec->size - pos - n);
441 __isl_give isl_vec *isl_vec_insert_els(__isl_take isl_vec *vec,
442 unsigned pos, unsigned n)
452 isl_die(vec->ctx, isl_error_invalid,
453 "position out of bounds", goto error);
455 ext = isl_vec_alloc(vec->ctx, vec->size + n);
459 isl_seq_cpy(ext->el, vec->el, pos);
460 isl_seq_cpy(ext->el + pos + n, vec->el + pos, vec->size - pos);
470 __isl_give isl_vec *isl_vec_insert_zero_els(__isl_take isl_vec *vec,
471 unsigned pos, unsigned n)
473 vec = isl_vec_insert_els(vec, pos, n);
477 isl_seq_clr(vec->el + pos, n);