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>
14 isl_ctx *isl_vec_get_ctx(__isl_keep isl_vec *vec)
16 return vec ? vec->ctx : NULL;
19 struct isl_vec *isl_vec_alloc(struct isl_ctx *ctx, unsigned size)
23 vec = isl_alloc_type(ctx, struct isl_vec);
27 vec->block = isl_blk_alloc(ctx, size);
28 if (isl_blk_is_error(vec->block))
35 vec->el = vec->block.data;
39 isl_blk_free(ctx, vec->block);
43 __isl_give isl_vec *isl_vec_extend(__isl_take isl_vec *vec, unsigned size)
47 if (size <= vec->size)
50 vec = isl_vec_cow(vec);
54 vec->block = isl_blk_extend(vec->ctx, vec->block, size);
59 vec->el = vec->block.data;
67 __isl_give isl_vec *isl_vec_zero_extend(__isl_take isl_vec *vec, unsigned size)
73 if (size <= vec->size)
76 vec = isl_vec_cow(vec);
80 extra = size - vec->size;
81 vec = isl_vec_extend(vec, size);
85 isl_seq_clr(vec->el + size - extra, extra);
90 /* Return a vector containing the elements of "vec1" followed by
93 __isl_give isl_vec *isl_vec_concat(__isl_take isl_vec *vec1,
94 __isl_take isl_vec *vec2)
99 if (vec2->size == 0) {
104 if (vec1->size == 0) {
109 vec1 = isl_vec_extend(vec1, vec1->size + vec2->size);
113 isl_seq_cpy(vec1->el + vec1->size - vec2->size, vec2->el, vec2->size);
123 struct isl_vec *isl_vec_copy(struct isl_vec *vec)
132 struct isl_vec *isl_vec_dup(struct isl_vec *vec)
134 struct isl_vec *vec2;
138 vec2 = isl_vec_alloc(vec->ctx, vec->size);
141 isl_seq_cpy(vec2->el, vec->el, vec->size);
145 struct isl_vec *isl_vec_cow(struct isl_vec *vec)
147 struct isl_vec *vec2;
154 vec2 = isl_vec_dup(vec);
159 void *isl_vec_free(__isl_take isl_vec *vec)
167 isl_ctx_deref(vec->ctx);
168 isl_blk_free(vec->ctx, vec->block);
174 int isl_vec_size(__isl_keep isl_vec *vec)
176 return vec ? vec->size : -1;
179 int isl_vec_get_element(__isl_keep isl_vec *vec, int pos, isl_int *v)
184 if (pos < 0 || pos >= vec->size)
185 isl_die(vec->ctx, isl_error_invalid, "position out of range",
187 isl_int_set(*v, vec->el[pos]);
191 __isl_give isl_vec *isl_vec_set_element(__isl_take isl_vec *vec,
194 vec = isl_vec_cow(vec);
197 if (pos < 0 || pos >= vec->size)
198 isl_die(vec->ctx, isl_error_invalid, "position out of range",
200 isl_int_set(vec->el[pos], v);
207 __isl_give isl_vec *isl_vec_set_element_si(__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_si(vec->el[pos], v);
223 int isl_vec_is_equal(__isl_keep isl_vec *vec1, __isl_keep isl_vec *vec2)
228 if (vec1->size != vec2->size)
231 return isl_seq_eq(vec1->el, vec2->el, vec1->size);
234 __isl_give isl_printer *isl_printer_print_vec(__isl_take isl_printer *printer,
235 __isl_keep isl_vec *vec)
239 if (!printer || !vec)
242 printer = isl_printer_print_str(printer, "[");
243 for (i = 0; i < vec->size; ++i) {
245 printer = isl_printer_print_str(printer, ",");
246 printer = isl_printer_print_isl_int(printer, vec->el[i]);
248 printer = isl_printer_print_str(printer, "]");
252 isl_printer_free(printer);
256 void isl_vec_dump(struct isl_vec *vec)
258 isl_printer *printer;
263 printer = isl_printer_to_file(vec->ctx, stderr);
264 printer = isl_printer_print_vec(printer, vec);
265 printer = isl_printer_end_line(printer);
267 isl_printer_free(printer);
270 __isl_give isl_vec *isl_vec_set(__isl_take isl_vec *vec, isl_int v)
272 vec = isl_vec_cow(vec);
275 isl_seq_set(vec->el, v, vec->size);
279 __isl_give isl_vec *isl_vec_set_si(__isl_take isl_vec *vec, int v)
281 vec = isl_vec_cow(vec);
284 isl_seq_set_si(vec->el, v, vec->size);
288 __isl_give isl_vec *isl_vec_clr(__isl_take isl_vec *vec)
290 vec = isl_vec_cow(vec);
293 isl_seq_clr(vec->el, vec->size);
297 void isl_vec_lcm(struct isl_vec *vec, isl_int *lcm)
299 isl_seq_lcm(vec->block.data, vec->size, lcm);
302 /* Given a rational vector, with the denominator in the first element
303 * of the vector, round up all coordinates.
305 struct isl_vec *isl_vec_ceil(struct isl_vec *vec)
307 vec = isl_vec_cow(vec);
311 isl_seq_cdiv_q(vec->el + 1, vec->el + 1, vec->el[0], vec->size - 1);
313 isl_int_set_si(vec->el[0], 1);
318 struct isl_vec *isl_vec_normalize(struct isl_vec *vec)
322 isl_seq_normalize(vec->ctx, vec->el, vec->size);
326 __isl_give isl_vec *isl_vec_neg(__isl_take isl_vec *vec)
328 vec = isl_vec_cow(vec);
331 isl_seq_neg(vec->el, vec->el, vec->size);
335 __isl_give isl_vec *isl_vec_scale(__isl_take isl_vec *vec, isl_int m)
337 if (isl_int_is_one(m))
339 vec = isl_vec_cow(vec);
342 isl_seq_scale(vec->el, vec->el, m, vec->size);
346 /* Reduce the elements of "vec" modulo "m".
348 __isl_give isl_vec *isl_vec_fdiv_r(__isl_take isl_vec *vec, isl_int m)
350 vec = isl_vec_cow(vec);
354 isl_seq_fdiv_r(vec->el, vec->el, m, vec->size);
359 __isl_give isl_vec *isl_vec_add(__isl_take isl_vec *vec1,
360 __isl_take isl_vec *vec2)
362 vec1 = isl_vec_cow(vec1);
366 isl_assert(vec1->ctx, vec1->size == vec2->size, goto error);
368 isl_seq_combine(vec1->el, vec1->ctx->one, vec1->el,
369 vec1->ctx->one, vec2->el, vec1->size);
379 static int qsort_int_cmp(const void *p1, const void *p2)
381 const isl_int *i1 = (const isl_int *) p1;
382 const isl_int *i2 = (const isl_int *) p2;
384 return isl_int_cmp(*i1, *i2);
387 __isl_give isl_vec *isl_vec_sort(__isl_take isl_vec *vec)
392 qsort(vec->el, vec->size, sizeof(*vec->el), &qsort_int_cmp);
397 __isl_give isl_vec *isl_vec_drop_els(__isl_take isl_vec *vec,
398 unsigned pos, unsigned n)
402 vec = isl_vec_cow(vec);
406 if (pos + n > vec->size)
407 isl_die(vec->ctx, isl_error_invalid,
408 "range out of bounds", goto error);
410 if (pos + n != vec->size)
411 isl_seq_cpy(vec->el + pos, vec->el + pos + n,
412 vec->size - pos - n);
422 __isl_give isl_vec *isl_vec_insert_els(__isl_take isl_vec *vec,
423 unsigned pos, unsigned n)
433 isl_die(vec->ctx, isl_error_invalid,
434 "position out of bounds", goto error);
436 ext = isl_vec_alloc(vec->ctx, vec->size + n);
440 isl_seq_cpy(ext->el, vec->el, pos);
441 isl_seq_cpy(ext->el + pos + n, vec->el + pos, vec->size - pos);
451 __isl_give isl_vec *isl_vec_insert_zero_els(__isl_take isl_vec *vec,
452 unsigned pos, unsigned n)
454 vec = isl_vec_insert_els(vec, pos, n);
458 isl_seq_clr(vec->el + pos, n);