2 * Copyright 2008-2009 Katholieke Universiteit Leuven
4 * Use of this software is governed by the GNU LGPLv2.1 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(struct isl_vec *vec)
132 isl_ctx_deref(vec->ctx);
133 isl_blk_free(vec->ctx, vec->block);
137 int isl_vec_is_equal(__isl_keep isl_vec *vec1, __isl_keep isl_vec *vec2)
142 if (vec1->size != vec2->size)
145 return isl_seq_eq(vec1->el, vec2->el, vec1->size);
148 __isl_give isl_printer *isl_printer_print_vec(__isl_take isl_printer *printer,
149 __isl_keep isl_vec *vec)
153 if (!printer || !vec)
156 printer = isl_printer_print_str(printer, "[");
157 for (i = 0; i < vec->size; ++i) {
159 printer = isl_printer_print_str(printer, ",");
160 printer = isl_printer_print_isl_int(printer, vec->el[i]);
162 printer = isl_printer_print_str(printer, "]");
166 isl_printer_free(printer);
170 void isl_vec_dump(struct isl_vec *vec)
172 isl_printer *printer;
177 printer = isl_printer_to_file(vec->ctx, stderr);
178 printer = isl_printer_print_vec(printer, vec);
179 printer = isl_printer_end_line(printer);
181 isl_printer_free(printer);
184 __isl_give isl_vec *isl_vec_clr(__isl_take isl_vec *vec)
186 vec = isl_vec_cow(vec);
189 isl_seq_clr(vec->el, vec->size);
193 void isl_vec_lcm(struct isl_vec *vec, isl_int *lcm)
195 isl_seq_lcm(vec->block.data, vec->size, lcm);
198 /* Given a rational vector, with the denominator in the first element
199 * of the vector, round up all coordinates.
201 struct isl_vec *isl_vec_ceil(struct isl_vec *vec)
203 vec = isl_vec_cow(vec);
207 isl_seq_cdiv_q(vec->el + 1, vec->el + 1, vec->el[0], vec->size - 1);
209 isl_int_set_si(vec->el[0], 1);
214 struct isl_vec *isl_vec_normalize(struct isl_vec *vec)
218 isl_seq_normalize(vec->ctx, vec->el, vec->size);
222 __isl_give isl_vec *isl_vec_neg(__isl_take isl_vec *vec)
224 vec = isl_vec_cow(vec);
227 isl_seq_neg(vec->el, vec->el, vec->size);
231 __isl_give isl_vec *isl_vec_scale(__isl_take isl_vec *vec, isl_int m)
233 if (isl_int_is_one(m))
235 vec = isl_vec_cow(vec);
238 isl_seq_scale(vec->el, vec->el, m, vec->size);
242 __isl_give isl_vec *isl_vec_add(__isl_take isl_vec *vec1,
243 __isl_take isl_vec *vec2)
245 vec1 = isl_vec_cow(vec1);
249 isl_assert(vec1->ctx, vec1->size == vec2->size, goto error);
251 isl_seq_combine(vec1->el, vec1->ctx->one, vec1->el,
252 vec1->ctx->one, vec2->el, vec1->size);
262 static int qsort_int_cmp(const void *p1, const void *p2)
264 const isl_int *i1 = (const isl_int *) p1;
265 const isl_int *i2 = (const isl_int *) p2;
267 return isl_int_cmp(*i1, *i2);
270 __isl_give isl_vec *isl_vec_sort(__isl_take isl_vec *vec)
275 qsort(vec->el, vec->size, sizeof(*vec->el), &qsort_int_cmp);
280 __isl_give isl_vec *isl_vec_drop_els(__isl_take isl_vec *vec,
281 unsigned pos, unsigned n)
285 vec = isl_vec_cow(vec);
289 if (pos + n > vec->size)
290 isl_die(vec->ctx, isl_error_invalid,
291 "range out of bounds", goto error);
293 if (pos + n != vec->size)
294 isl_seq_cpy(vec->el + pos, vec->el + pos + n,
295 vec->size - pos - n);
305 __isl_give isl_vec *isl_vec_insert_els(__isl_take isl_vec *vec,
306 unsigned pos, unsigned n)
316 isl_die(vec->ctx, isl_error_invalid,
317 "position out of bounds", goto error);
319 ext = isl_vec_alloc(vec->ctx, vec->size + n);
323 isl_seq_cpy(ext->el, vec->el, pos);
324 isl_seq_cpy(ext->el + pos + n, vec->el + pos, vec->size - pos);
334 __isl_give isl_vec *isl_vec_insert_zero_els(__isl_take isl_vec *vec,
335 unsigned pos, unsigned n)
337 vec = isl_vec_insert_els(vec, pos, n);
341 isl_seq_clr(vec->el + pos, n);