2 * Copyright 2010 INRIA Saclay
4 * Use of this software is governed by the GNU LGPLv2.1 license
6 * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
7 * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
15 #include <isl_dim_private.h>
16 #include <isl_map_private.h>
17 #include <isl_union_map_private.h>
18 #include <isl_union_set.h>
20 static __isl_give isl_union_map *isl_union_map_alloc(__isl_take isl_dim *dim,
28 umap = isl_calloc_type(dim->ctx, isl_union_map);
34 if (isl_hash_table_init(dim->ctx, &umap->table, size) < 0)
40 isl_union_map_free(umap);
44 __isl_give isl_union_map *isl_union_map_empty(__isl_take isl_dim *dim)
46 return isl_union_map_alloc(dim, 16);
49 __isl_give isl_union_set *isl_union_set_empty(__isl_take isl_dim *dim)
51 return isl_union_map_empty(dim);
54 isl_ctx *isl_union_map_get_ctx(__isl_keep isl_union_map *umap)
56 return umap ? umap->dim->ctx : NULL;
59 isl_ctx *isl_union_set_get_ctx(__isl_keep isl_union_set *uset)
61 return uset ? uset->dim->ctx : NULL;
64 __isl_give isl_dim *isl_union_map_get_dim(__isl_keep isl_union_map *umap)
68 return isl_dim_copy(umap->dim);
71 __isl_give isl_dim *isl_union_set_get_dim(__isl_keep isl_union_set *uset)
73 return isl_union_map_get_dim(uset);
76 static int free_umap_entry(void **entry, void *user)
78 isl_map *map = *entry;
83 static int add_map(__isl_take isl_map *map, void *user)
85 isl_union_map **umap = (isl_union_map **)user;
87 *umap = isl_union_map_add_map(*umap, map);
92 __isl_give isl_union_map *isl_union_map_dup(__isl_keep isl_union_map *umap)
99 dup = isl_union_map_empty(isl_dim_copy(umap->dim));
100 if (isl_union_map_foreach_map(umap, &add_map, &dup) < 0)
104 isl_union_map_free(dup);
108 __isl_give isl_union_map *isl_union_map_cow(__isl_take isl_union_map *umap)
116 return isl_union_map_dup(umap);
119 struct isl_union_align {
124 static int align_entry(void **entry, void *user)
126 isl_map *map = *entry;
128 struct isl_union_align *data = user;
130 exp = isl_reordering_extend_dim(isl_reordering_copy(data->exp),
131 isl_map_get_dim(map));
133 data->res = isl_union_map_add_map(data->res,
134 isl_map_realign(isl_map_copy(map), exp));
139 /* Align the parameters of umap along those of model.
140 * The result has the parameters of model first, in the same order
141 * as they appear in model, followed by any remaining parameters of
142 * umap that do not appear in model.
144 __isl_give isl_union_map *isl_union_map_align_params(
145 __isl_take isl_union_map *umap, __isl_take isl_dim *model)
147 struct isl_union_align data = { NULL, NULL };
152 if (isl_dim_match(umap->dim, isl_dim_param, model, isl_dim_param)) {
157 data.exp = isl_parameter_alignment_reordering(umap->dim, model);
161 data.res = isl_union_map_alloc(isl_dim_copy(data.exp->dim),
163 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table,
164 &align_entry, &data) < 0)
167 isl_reordering_free(data.exp);
168 isl_union_map_free(umap);
172 isl_reordering_free(data.exp);
173 isl_union_map_free(umap);
174 isl_union_map_free(data.res);
179 __isl_give isl_union_set *isl_union_set_align_params(
180 __isl_take isl_union_set *uset, __isl_take isl_dim *model)
182 return isl_union_map_align_params(uset, model);
185 __isl_give isl_union_map *isl_union_map_union(__isl_take isl_union_map *umap1,
186 __isl_take isl_union_map *umap2)
188 umap1 = isl_union_map_align_params(umap1, isl_union_map_get_dim(umap2));
189 umap2 = isl_union_map_align_params(umap2, isl_union_map_get_dim(umap1));
191 umap1 = isl_union_map_cow(umap1);
193 if (!umap1 || !umap2)
196 if (isl_union_map_foreach_map(umap2, &add_map, &umap1) < 0)
199 isl_union_map_free(umap2);
203 isl_union_map_free(umap1);
204 isl_union_map_free(umap2);
208 __isl_give isl_union_set *isl_union_set_union(__isl_take isl_union_set *uset1,
209 __isl_take isl_union_set *uset2)
211 return isl_union_map_union(uset1, uset2);
214 __isl_give isl_union_map *isl_union_map_copy(__isl_keep isl_union_map *umap)
223 __isl_give isl_union_set *isl_union_set_copy(__isl_keep isl_union_set *uset)
225 return isl_union_map_copy(uset);
228 void isl_union_map_free(__isl_take isl_union_map *umap)
236 isl_hash_table_foreach(umap->dim->ctx, &umap->table,
237 &free_umap_entry, NULL);
238 isl_hash_table_clear(&umap->table);
239 isl_dim_free(umap->dim);
243 void isl_union_set_free(__isl_take isl_union_set *uset)
245 isl_union_map_free(uset);
248 static int has_dim(const void *entry, const void *val)
250 isl_map *map = (isl_map *)entry;
251 isl_dim *dim = (isl_dim *)val;
253 return isl_dim_equal(map->dim, dim);
256 __isl_give isl_union_map *isl_union_map_add_map(__isl_take isl_union_map *umap,
257 __isl_take isl_map *map)
260 struct isl_hash_table_entry *entry;
262 if (isl_map_fast_is_empty(map)) {
267 umap = isl_union_map_cow(umap);
272 isl_assert(map->ctx, isl_dim_match(map->dim, isl_dim_param, umap->dim,
273 isl_dim_param), goto error);
275 hash = isl_dim_get_hash(map->dim);
276 entry = isl_hash_table_find(umap->dim->ctx, &umap->table, hash,
277 &has_dim, map->dim, 1);
284 entry->data = isl_map_union(entry->data, isl_map_copy(map));
293 isl_union_map_free(umap);
297 __isl_give isl_union_set *isl_union_set_add_set(__isl_take isl_union_set *uset,
298 __isl_take isl_set *set)
300 return isl_union_map_add_map(uset, (isl_map *)set);
303 __isl_give isl_union_map *isl_union_map_from_map(__isl_take isl_map *map)
311 dim = isl_map_get_dim(map);
312 dim = isl_dim_drop(dim, isl_dim_in, 0, isl_dim_size(dim, isl_dim_in));
313 dim = isl_dim_drop(dim, isl_dim_out, 0, isl_dim_size(dim, isl_dim_out));
314 umap = isl_union_map_empty(dim);
315 umap = isl_union_map_add_map(umap, map);
320 __isl_give isl_union_set *isl_union_set_from_set(__isl_take isl_set *set)
322 return isl_union_map_from_map((isl_map *)set);
325 struct isl_union_map_foreach_data
327 int (*fn)(__isl_take isl_map *map, void *user);
331 static int call_on_copy(void **entry, void *user)
333 isl_map *map = *entry;
334 struct isl_union_map_foreach_data *data;
335 data = (struct isl_union_map_foreach_data *)user;
337 return data->fn(isl_map_copy(map), data->user);
340 int isl_union_map_foreach_map(__isl_keep isl_union_map *umap,
341 int (*fn)(__isl_take isl_map *map, void *user), void *user)
343 struct isl_union_map_foreach_data data = { fn, user };
348 return isl_hash_table_foreach(umap->dim->ctx, &umap->table,
349 &call_on_copy, &data);
352 int isl_union_set_foreach_set(__isl_keep isl_union_set *uset,
353 int (*fn)(__isl_take isl_set *set, void *user), void *user)
355 return isl_union_map_foreach_map(uset,
356 (int(*)(__isl_take isl_map *, void*))fn, user);
359 struct isl_union_set_foreach_point_data {
360 int (*fn)(__isl_take isl_point *pnt, void *user);
364 static int foreach_point(__isl_take isl_set *set, void *user)
366 struct isl_union_set_foreach_point_data *data = user;
369 r = isl_set_foreach_point(set, data->fn, data->user);
375 int isl_union_set_foreach_point(__isl_keep isl_union_set *uset,
376 int (*fn)(__isl_take isl_point *pnt, void *user), void *user)
378 struct isl_union_set_foreach_point_data data = { fn, user };
379 return isl_union_set_foreach_set(uset, &foreach_point, &data);
382 struct isl_union_map_gen_bin_data {
383 isl_union_map *umap2;
387 static int subtract_entry(void **entry, void *user)
389 struct isl_union_map_gen_bin_data *data = user;
391 struct isl_hash_table_entry *entry2;
392 isl_map *map = *entry;
394 hash = isl_dim_get_hash(map->dim);
395 entry2 = isl_hash_table_find(data->umap2->dim->ctx, &data->umap2->table,
396 hash, &has_dim, map->dim, 0);
397 map = isl_map_copy(map);
400 map = isl_map_subtract(map, isl_map_copy(entry2->data));
402 empty = isl_map_is_empty(map);
412 data->res = isl_union_map_add_map(data->res, map);
417 static __isl_give isl_union_map *gen_bin_op(__isl_take isl_union_map *umap1,
418 __isl_take isl_union_map *umap2, int (*fn)(void **, void *))
420 struct isl_union_map_gen_bin_data data = { NULL, NULL };
422 umap1 = isl_union_map_align_params(umap1, isl_union_map_get_dim(umap2));
423 umap2 = isl_union_map_align_params(umap2, isl_union_map_get_dim(umap1));
425 if (!umap1 || !umap2)
429 data.res = isl_union_map_alloc(isl_dim_copy(umap1->dim),
431 if (isl_hash_table_foreach(umap1->dim->ctx, &umap1->table,
435 isl_union_map_free(umap1);
436 isl_union_map_free(umap2);
439 isl_union_map_free(umap1);
440 isl_union_map_free(umap2);
441 isl_union_map_free(data.res);
445 __isl_give isl_union_map *isl_union_map_subtract(
446 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
448 return gen_bin_op(umap1, umap2, &subtract_entry);
451 __isl_give isl_union_set *isl_union_set_subtract(
452 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
454 return isl_union_map_subtract(uset1, uset2);
457 struct isl_union_map_match_bin_data {
458 isl_union_map *umap2;
460 __isl_give isl_map *(*fn)(__isl_take isl_map*, __isl_take isl_map*);
463 static int match_bin_entry(void **entry, void *user)
465 struct isl_union_map_match_bin_data *data = user;
467 struct isl_hash_table_entry *entry2;
468 isl_map *map = *entry;
471 hash = isl_dim_get_hash(map->dim);
472 entry2 = isl_hash_table_find(data->umap2->dim->ctx, &data->umap2->table,
473 hash, &has_dim, map->dim, 0);
477 map = isl_map_copy(map);
478 map = data->fn(map, isl_map_copy(entry2->data));
480 empty = isl_map_is_empty(map);
490 data->res = isl_union_map_add_map(data->res, map);
495 static __isl_give isl_union_map *match_bin_op(__isl_take isl_union_map *umap1,
496 __isl_take isl_union_map *umap2,
497 __isl_give isl_map *(*fn)(__isl_take isl_map*, __isl_take isl_map*))
499 struct isl_union_map_match_bin_data data = { NULL, NULL, fn };
501 umap1 = isl_union_map_align_params(umap1, isl_union_map_get_dim(umap2));
502 umap2 = isl_union_map_align_params(umap2, isl_union_map_get_dim(umap1));
504 if (!umap1 || !umap2)
508 data.res = isl_union_map_alloc(isl_dim_copy(umap1->dim),
510 if (isl_hash_table_foreach(umap1->dim->ctx, &umap1->table,
511 &match_bin_entry, &data) < 0)
514 isl_union_map_free(umap1);
515 isl_union_map_free(umap2);
518 isl_union_map_free(umap1);
519 isl_union_map_free(umap2);
520 isl_union_map_free(data.res);
524 __isl_give isl_union_map *isl_union_map_intersect(
525 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
527 return match_bin_op(umap1, umap2, &isl_map_intersect);
530 __isl_give isl_union_set *isl_union_set_intersect(
531 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
533 return isl_union_map_intersect(uset1, uset2);
536 __isl_give isl_union_map *isl_union_map_gist(__isl_take isl_union_map *umap,
537 __isl_take isl_union_map *context)
539 return match_bin_op(umap, context, &isl_map_gist);
542 __isl_give isl_union_set *isl_union_set_gist(__isl_take isl_union_set *uset,
543 __isl_take isl_union_set *context)
545 return isl_union_map_gist(uset, context);
548 static __isl_give isl_map *lex_le_set(__isl_take isl_map *set1,
549 __isl_take isl_map *set2)
551 return isl_set_lex_le_set((isl_set *)set1, (isl_set *)set2);
554 static __isl_give isl_map *lex_lt_set(__isl_take isl_map *set1,
555 __isl_take isl_map *set2)
557 return isl_set_lex_lt_set((isl_set *)set1, (isl_set *)set2);
560 __isl_give isl_union_set *isl_union_set_lex_lt_union_set(
561 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
563 return match_bin_op(uset1, uset2, &lex_lt_set);
566 __isl_give isl_union_set *isl_union_set_lex_le_union_set(
567 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
569 return match_bin_op(uset1, uset2, &lex_le_set);
572 __isl_give isl_union_set *isl_union_set_lex_gt_union_set(
573 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
575 return isl_union_set_lex_lt_union_set(uset2, uset1);
578 __isl_give isl_union_set *isl_union_set_lex_ge_union_set(
579 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
581 return isl_union_set_lex_le_union_set(uset2, uset1);
584 __isl_give isl_union_map *isl_union_map_lex_gt_union_map(
585 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
587 return isl_union_map_lex_lt_union_map(umap2, umap1);
590 __isl_give isl_union_map *isl_union_map_lex_ge_union_map(
591 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
593 return isl_union_map_lex_le_union_map(umap2, umap1);
596 static int intersect_domain_entry(void **entry, void *user)
598 struct isl_union_map_gen_bin_data *data = user;
600 struct isl_hash_table_entry *entry2;
602 isl_map *map = *entry;
605 dim = isl_map_get_dim(map);
606 dim = isl_dim_domain(dim);
607 hash = isl_dim_get_hash(dim);
608 entry2 = isl_hash_table_find(data->umap2->dim->ctx, &data->umap2->table,
609 hash, &has_dim, dim, 0);
614 map = isl_map_copy(map);
615 map = isl_map_intersect_domain(map, isl_set_copy(entry2->data));
617 empty = isl_map_is_empty(map);
627 data->res = isl_union_map_add_map(data->res, map);
632 __isl_give isl_union_map *isl_union_map_intersect_domain(
633 __isl_take isl_union_map *umap, __isl_take isl_union_set *uset)
635 return gen_bin_op(umap, uset, &intersect_domain_entry);
638 struct isl_union_map_bin_data {
639 isl_union_map *umap2;
642 int (*fn)(void **entry, void *user);
645 static int apply_range_entry(void **entry, void *user)
647 struct isl_union_map_bin_data *data = user;
648 isl_map *map2 = *entry;
651 if (!isl_dim_tuple_match(data->map->dim, isl_dim_out,
652 map2->dim, isl_dim_in))
655 map2 = isl_map_apply_range(isl_map_copy(data->map), isl_map_copy(map2));
657 empty = isl_map_is_empty(map2);
667 data->res = isl_union_map_add_map(data->res, map2);
672 static int bin_entry(void **entry, void *user)
674 struct isl_union_map_bin_data *data = user;
675 isl_map *map = *entry;
678 if (isl_hash_table_foreach(data->umap2->dim->ctx, &data->umap2->table,
685 static __isl_give isl_union_map *bin_op(__isl_take isl_union_map *umap1,
686 __isl_take isl_union_map *umap2, int (*fn)(void **entry, void *user))
688 struct isl_union_map_bin_data data = { NULL, NULL, NULL, fn };
690 umap1 = isl_union_map_align_params(umap1, isl_union_map_get_dim(umap2));
691 umap2 = isl_union_map_align_params(umap2, isl_union_map_get_dim(umap1));
693 if (!umap1 || !umap2)
697 data.res = isl_union_map_alloc(isl_dim_copy(umap1->dim),
699 if (isl_hash_table_foreach(umap1->dim->ctx, &umap1->table,
700 &bin_entry, &data) < 0)
703 isl_union_map_free(umap1);
704 isl_union_map_free(umap2);
707 isl_union_map_free(umap1);
708 isl_union_map_free(umap2);
709 isl_union_map_free(data.res);
713 __isl_give isl_union_map *isl_union_map_apply_range(
714 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
716 return bin_op(umap1, umap2, &apply_range_entry);
719 __isl_give isl_union_set *isl_union_set_apply(
720 __isl_take isl_union_set *uset, __isl_take isl_union_map *umap)
722 return isl_union_map_apply_range(uset, umap);
725 static int map_lex_lt_entry(void **entry, void *user)
727 struct isl_union_map_bin_data *data = user;
728 isl_map *map2 = *entry;
730 if (!isl_dim_tuple_match(data->map->dim, isl_dim_out,
731 map2->dim, isl_dim_out))
734 map2 = isl_map_lex_lt_map(isl_map_copy(data->map), isl_map_copy(map2));
736 data->res = isl_union_map_add_map(data->res, map2);
741 __isl_give isl_union_map *isl_union_map_lex_lt_union_map(
742 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
744 return bin_op(umap1, umap2, &map_lex_lt_entry);
747 static int map_lex_le_entry(void **entry, void *user)
749 struct isl_union_map_bin_data *data = user;
750 isl_map *map2 = *entry;
752 if (!isl_dim_tuple_match(data->map->dim, isl_dim_out,
753 map2->dim, isl_dim_out))
756 map2 = isl_map_lex_le_map(isl_map_copy(data->map), isl_map_copy(map2));
758 data->res = isl_union_map_add_map(data->res, map2);
763 __isl_give isl_union_map *isl_union_map_lex_le_union_map(
764 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
766 return bin_op(umap1, umap2, &map_lex_le_entry);
769 static int product_entry(void **entry, void *user)
771 struct isl_union_map_bin_data *data = user;
772 isl_map *map2 = *entry;
774 map2 = isl_map_product(isl_map_copy(data->map), isl_map_copy(map2));
776 data->res = isl_union_map_add_map(data->res, map2);
781 __isl_give isl_union_map *isl_union_map_product(__isl_take isl_union_map *umap1,
782 __isl_take isl_union_map *umap2)
784 return bin_op(umap1, umap2, &product_entry);
787 __isl_give isl_union_set *isl_union_set_product(__isl_take isl_union_set *uset1,
788 __isl_take isl_union_set *uset2)
790 return isl_union_map_product(uset1, uset2);
793 __isl_give isl_union_map *isl_union_map_from_range(
794 __isl_take isl_union_set *uset)
799 __isl_give isl_union_map *isl_union_map_from_domain(
800 __isl_take isl_union_set *uset)
802 return isl_union_map_reverse(isl_union_map_from_range(uset));
805 __isl_give isl_union_map *isl_union_map_from_domain_and_range(
806 __isl_take isl_union_set *domain, __isl_take isl_union_set *range)
808 return isl_union_map_apply_range(isl_union_map_from_domain(domain),
809 isl_union_map_from_range(range));
812 static __isl_give isl_union_map *un_op(__isl_take isl_union_map *umap,
813 int (*fn)(void **, void *), int cow)
816 umap = isl_union_map_cow(umap);
820 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table, fn, NULL) < 0)
825 isl_union_map_free(umap);
829 static int affine_entry(void **entry, void *user)
831 isl_map **map = (isl_map **)entry;
833 *map = isl_map_from_basic_map(isl_map_affine_hull(*map));
835 return *map ? 0 : -1;
838 __isl_give isl_union_map *isl_union_map_affine_hull(
839 __isl_take isl_union_map *umap)
841 return un_op(umap, &affine_entry, 1);
844 __isl_give isl_union_set *isl_union_set_affine_hull(
845 __isl_take isl_union_set *uset)
847 return isl_union_map_affine_hull(uset);
850 static int coalesce_entry(void **entry, void *user)
852 isl_map **map = (isl_map **)entry;
854 *map = isl_map_coalesce(*map);
856 return *map ? 0 : -1;
859 __isl_give isl_union_map *isl_union_map_coalesce(
860 __isl_take isl_union_map *umap)
862 return un_op(umap, &coalesce_entry, 0);
865 __isl_give isl_union_set *isl_union_set_coalesce(
866 __isl_take isl_union_set *uset)
868 return isl_union_map_coalesce(uset);
871 static int compute_divs_entry(void **entry, void *user)
873 isl_map **map = (isl_map **)entry;
875 *map = isl_map_compute_divs(*map);
877 return *map ? 0 : -1;
880 __isl_give isl_union_map *isl_union_map_compute_divs(
881 __isl_take isl_union_map *umap)
883 return un_op(umap, &compute_divs_entry, 0);
886 __isl_give isl_union_set *isl_union_set_compute_divs(
887 __isl_take isl_union_set *uset)
889 return isl_union_map_compute_divs(uset);
892 static int lexmin_entry(void **entry, void *user)
894 isl_map **map = (isl_map **)entry;
896 *map = isl_map_lexmin(*map);
898 return *map ? 0 : -1;
901 __isl_give isl_union_map *isl_union_map_lexmin(
902 __isl_take isl_union_map *umap)
904 return un_op(umap, &lexmin_entry, 1);
907 __isl_give isl_union_set *isl_union_set_lexmin(
908 __isl_take isl_union_set *uset)
910 return isl_union_map_lexmin(uset);
913 static int lexmax_entry(void **entry, void *user)
915 isl_map **map = (isl_map **)entry;
917 *map = isl_map_lexmax(*map);
919 return *map ? 0 : -1;
922 __isl_give isl_union_map *isl_union_map_lexmax(
923 __isl_take isl_union_map *umap)
925 return un_op(umap, &lexmax_entry, 1);
928 __isl_give isl_union_set *isl_union_set_lexmax(
929 __isl_take isl_union_set *uset)
931 return isl_union_map_lexmax(uset);
934 static __isl_give isl_union_set *cond_un_op(__isl_take isl_union_map *umap,
935 int (*fn)(void **, void *))
942 res = isl_union_map_alloc(isl_dim_copy(umap->dim), umap->table.n);
943 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table, fn, &res) < 0)
946 isl_union_map_free(umap);
949 isl_union_map_free(umap);
950 isl_union_set_free(res);
954 static int reverse_entry(void **entry, void *user)
956 isl_map *map = *entry;
957 isl_union_map **res = user;
959 *res = isl_union_map_add_map(*res, isl_map_reverse(isl_map_copy(map)));
964 __isl_give isl_union_map *isl_union_map_reverse(__isl_take isl_union_map *umap)
966 return cond_un_op(umap, &reverse_entry);
969 static int domain_entry(void **entry, void *user)
971 isl_map *map = *entry;
972 isl_union_set **res = user;
974 *res = isl_union_set_add_set(*res, isl_map_domain(isl_map_copy(map)));
979 __isl_give isl_union_set *isl_union_map_domain(__isl_take isl_union_map *umap)
981 return cond_un_op(umap, &domain_entry);
984 static int range_entry(void **entry, void *user)
986 isl_map *map = *entry;
987 isl_union_set **res = user;
989 *res = isl_union_set_add_set(*res, isl_map_range(isl_map_copy(map)));
994 __isl_give isl_union_set *isl_union_map_range(__isl_take isl_union_map *umap)
996 return cond_un_op(umap, &range_entry);
999 static int deltas_entry(void **entry, void *user)
1001 isl_map *map = *entry;
1002 isl_union_set **res = user;
1004 if (!isl_dim_tuple_match(map->dim, isl_dim_in, map->dim, isl_dim_out))
1007 *res = isl_union_set_add_set(*res, isl_map_deltas(isl_map_copy(map)));
1012 __isl_give isl_union_set *isl_union_map_deltas(__isl_take isl_union_map *umap)
1014 return cond_un_op(umap, &deltas_entry);
1017 static int unwrap_entry(void **entry, void *user)
1019 isl_set *set = *entry;
1020 isl_union_set **res = user;
1022 if (!isl_set_is_wrapping(set))
1025 *res = isl_union_map_add_map(*res, isl_set_unwrap(isl_set_copy(set)));
1030 __isl_give isl_union_map *isl_union_set_unwrap(__isl_take isl_union_set *uset)
1032 return cond_un_op(uset, &unwrap_entry);
1035 static int wrap_entry(void **entry, void *user)
1037 isl_map *map = *entry;
1038 isl_union_set **res = user;
1040 *res = isl_union_set_add_set(*res, isl_map_wrap(isl_map_copy(map)));
1045 __isl_give isl_union_set *isl_union_map_wrap(__isl_take isl_union_map *umap)
1047 return cond_un_op(umap, &wrap_entry);
1050 struct isl_union_map_is_subset_data {
1051 isl_union_map *umap2;
1055 static int is_subset_entry(void **entry, void *user)
1057 struct isl_union_map_is_subset_data *data = user;
1059 struct isl_hash_table_entry *entry2;
1060 isl_map *map = *entry;
1062 hash = isl_dim_get_hash(map->dim);
1063 entry2 = isl_hash_table_find(data->umap2->dim->ctx, &data->umap2->table,
1064 hash, &has_dim, map->dim, 0);
1066 data->is_subset = 0;
1070 data->is_subset = isl_map_is_subset(map, entry2->data);
1071 if (data->is_subset < 0 || !data->is_subset)
1077 int isl_union_map_is_subset(__isl_keep isl_union_map *umap1,
1078 __isl_keep isl_union_map *umap2)
1080 struct isl_union_map_is_subset_data data = { NULL, 1 };
1082 umap1 = isl_union_map_copy(umap1);
1083 umap2 = isl_union_map_copy(umap2);
1084 umap1 = isl_union_map_align_params(umap1, isl_union_map_get_dim(umap2));
1085 umap2 = isl_union_map_align_params(umap2, isl_union_map_get_dim(umap1));
1087 if (!umap1 || !umap2)
1091 if (isl_hash_table_foreach(umap1->dim->ctx, &umap1->table,
1092 &is_subset_entry, &data) < 0 &&
1096 isl_union_map_free(umap1);
1097 isl_union_map_free(umap2);
1099 return data.is_subset;
1101 isl_union_map_free(umap1);
1102 isl_union_map_free(umap2);
1106 int isl_union_map_is_equal(__isl_keep isl_union_map *umap1,
1107 __isl_keep isl_union_map *umap2)
1111 if (!umap1 || !umap2)
1113 is_subset = isl_union_map_is_subset(umap1, umap2);
1116 is_subset = isl_union_map_is_subset(umap2, umap1);
1120 int isl_union_map_is_strict_subset(__isl_keep isl_union_map *umap1,
1121 __isl_keep isl_union_map *umap2)
1125 if (!umap1 || !umap2)
1127 is_subset = isl_union_map_is_subset(umap1, umap2);
1130 is_subset = isl_union_map_is_subset(umap2, umap1);
1131 if (is_subset == -1)
1136 static int sample_entry(void **entry, void *user)
1138 isl_basic_map **sample = (isl_basic_map **)user;
1139 isl_map *map = *entry;
1141 *sample = isl_map_sample(isl_map_copy(map));
1144 if (!isl_basic_map_fast_is_empty(*sample))
1149 __isl_give isl_basic_map *isl_union_map_sample(__isl_take isl_union_map *umap)
1151 isl_basic_map *sample = NULL;
1156 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table,
1157 &sample_entry, &sample) < 0 &&
1161 isl_union_map_free(umap);
1165 isl_union_map_free(umap);
1169 __isl_give isl_basic_set *isl_union_set_sample(__isl_take isl_union_set *uset)
1171 return (isl_basic_set *)isl_union_map_sample(uset);
1174 static int empty_entry(void **entry, void *user)
1177 isl_map *map = *entry;
1179 if (isl_map_is_empty(map))
1187 __isl_give int isl_union_map_is_empty(__isl_keep isl_union_map *umap)
1194 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table,
1195 &empty_entry, &empty) < 0 && empty)
1201 int isl_union_set_is_empty(__isl_keep isl_union_set *uset)
1203 return isl_union_map_is_empty(uset);