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 struct isl_vec *isl_vec_copy(struct isl_vec *vec)
99 struct isl_vec *isl_vec_dup(struct isl_vec *vec)
101 struct isl_vec *vec2;
105 vec2 = isl_vec_alloc(vec->ctx, vec->size);
106 isl_seq_cpy(vec2->el, vec->el, vec->size);
110 struct isl_vec *isl_vec_cow(struct isl_vec *vec)
112 struct isl_vec *vec2;
119 vec2 = isl_vec_dup(vec);
124 void *isl_vec_free(__isl_take isl_vec *vec)
132 isl_ctx_deref(vec->ctx);
133 isl_blk_free(vec->ctx, vec->block);
139 int isl_vec_size(__isl_keep isl_vec *vec)
141 return vec ? vec->size : -1;
144 int isl_vec_get_element(__isl_keep isl_vec *vec, int pos, isl_int *v)
149 if (pos < 0 || pos >= vec->size)
150 isl_die(vec->ctx, isl_error_invalid, "position out of range",
152 isl_int_set(*v, vec->el[pos]);
156 __isl_give isl_vec *isl_vec_set_element(__isl_take isl_vec *vec,
159 vec = isl_vec_cow(vec);
162 if (pos < 0 || pos >= vec->size)
163 isl_die(vec->ctx, isl_error_invalid, "position out of range",
165 isl_int_set(vec->el[pos], v);
172 __isl_give isl_vec *isl_vec_set_element_si(__isl_take isl_vec *vec,
175 vec = isl_vec_cow(vec);
178 if (pos < 0 || pos >= vec->size)
179 isl_die(vec->ctx, isl_error_invalid, "position out of range",
181 isl_int_set_si(vec->el[pos], v);
188 int isl_vec_is_equal(__isl_keep isl_vec *vec1, __isl_keep isl_vec *vec2)
193 if (vec1->size != vec2->size)
196 return isl_seq_eq(vec1->el, vec2->el, vec1->size);
199 __isl_give isl_printer *isl_printer_print_vec(__isl_take isl_printer *printer,
200 __isl_keep isl_vec *vec)
204 if (!printer || !vec)
207 printer = isl_printer_print_str(printer, "[");
208 for (i = 0; i < vec->size; ++i) {
210 printer = isl_printer_print_str(printer, ",");
211 printer = isl_printer_print_isl_int(printer, vec->el[i]);
213 printer = isl_printer_print_str(printer, "]");
217 isl_printer_free(printer);
221 void isl_vec_dump(struct isl_vec *vec)
223 isl_printer *printer;
228 printer = isl_printer_to_file(vec->ctx, stderr);
229 printer = isl_printer_print_vec(printer, vec);
230 printer = isl_printer_end_line(printer);
232 isl_printer_free(printer);
235 __isl_give isl_vec *isl_vec_set(__isl_take isl_vec *vec, isl_int v)
237 vec = isl_vec_cow(vec);
240 isl_seq_set(vec->el, v, vec->size);
244 __isl_give isl_vec *isl_vec_set_si(__isl_take isl_vec *vec, int v)
246 vec = isl_vec_cow(vec);
249 isl_seq_set_si(vec->el, v, vec->size);
253 __isl_give isl_vec *isl_vec_clr(__isl_take isl_vec *vec)
255 vec = isl_vec_cow(vec);
258 isl_seq_clr(vec->el, vec->size);
262 void isl_vec_lcm(struct isl_vec *vec, isl_int *lcm)
264 isl_seq_lcm(vec->block.data, vec->size, lcm);
267 /* Given a rational vector, with the denominator in the first element
268 * of the vector, round up all coordinates.
270 struct isl_vec *isl_vec_ceil(struct isl_vec *vec)
272 vec = isl_vec_cow(vec);
276 isl_seq_cdiv_q(vec->el + 1, vec->el + 1, vec->el[0], vec->size - 1);
278 isl_int_set_si(vec->el[0], 1);
283 struct isl_vec *isl_vec_normalize(struct isl_vec *vec)
287 isl_seq_normalize(vec->ctx, vec->el, vec->size);
291 __isl_give isl_vec *isl_vec_neg(__isl_take isl_vec *vec)
293 vec = isl_vec_cow(vec);
296 isl_seq_neg(vec->el, vec->el, vec->size);
300 __isl_give isl_vec *isl_vec_scale(__isl_take isl_vec *vec, isl_int m)
302 if (isl_int_is_one(m))
304 vec = isl_vec_cow(vec);
307 isl_seq_scale(vec->el, vec->el, m, vec->size);
311 __isl_give isl_vec *isl_vec_add(__isl_take isl_vec *vec1,
312 __isl_take isl_vec *vec2)
314 vec1 = isl_vec_cow(vec1);
318 isl_assert(vec1->ctx, vec1->size == vec2->size, goto error);
320 isl_seq_combine(vec1->el, vec1->ctx->one, vec1->el,
321 vec1->ctx->one, vec2->el, vec1->size);
331 static int qsort_int_cmp(const void *p1, const void *p2)
333 const isl_int *i1 = (const isl_int *) p1;
334 const isl_int *i2 = (const isl_int *) p2;
336 return isl_int_cmp(*i1, *i2);
339 __isl_give isl_vec *isl_vec_sort(__isl_take isl_vec *vec)
344 qsort(vec->el, vec->size, sizeof(*vec->el), &qsort_int_cmp);
349 __isl_give isl_vec *isl_vec_drop_els(__isl_take isl_vec *vec,
350 unsigned pos, unsigned n)
354 vec = isl_vec_cow(vec);
358 if (pos + n > vec->size)
359 isl_die(vec->ctx, isl_error_invalid,
360 "range out of bounds", goto error);
362 if (pos + n != vec->size)
363 isl_seq_cpy(vec->el + pos, vec->el + pos + n,
364 vec->size - pos - n);
374 __isl_give isl_vec *isl_vec_insert_els(__isl_take isl_vec *vec,
375 unsigned pos, unsigned n)
385 isl_die(vec->ctx, isl_error_invalid,
386 "position out of bounds", goto error);
388 ext = isl_vec_alloc(vec->ctx, vec->size + n);
392 isl_seq_cpy(ext->el, vec->el, pos);
393 isl_seq_cpy(ext->el + pos + n, vec->el + pos, vec->size - pos);
403 __isl_give isl_vec *isl_vec_insert_zero_els(__isl_take isl_vec *vec,
404 unsigned pos, unsigned n)
406 vec = isl_vec_insert_els(vec, pos, n);
410 isl_seq_clr(vec->el + pos, n);