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,
11 #include <isl_map_private.h>
16 #include <isl_dim_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_n_map(__isl_keep isl_union_map *umap)
342 return umap ? umap->table.n : 0;
345 int isl_union_set_n_set(__isl_keep isl_union_set *uset)
347 return uset ? uset->table.n : 0;
350 int isl_union_map_foreach_map(__isl_keep isl_union_map *umap,
351 int (*fn)(__isl_take isl_map *map, void *user), void *user)
353 struct isl_union_map_foreach_data data = { fn, user };
358 return isl_hash_table_foreach(umap->dim->ctx, &umap->table,
359 &call_on_copy, &data);
362 __isl_give isl_map *isl_union_map_extract_map(__isl_keep isl_union_map *umap,
363 __isl_take isl_dim *dim)
366 struct isl_hash_table_entry *entry;
371 hash = isl_dim_get_hash(dim);
372 entry = isl_hash_table_find(umap->dim->ctx, &umap->table, hash,
375 return isl_map_empty(dim);
377 return isl_map_copy(entry->data);
383 __isl_give isl_set *isl_union_set_extract_set(__isl_keep isl_union_set *uset,
384 __isl_take isl_dim *dim)
386 return (isl_set *)isl_union_map_extract_map(uset, dim);
389 /* Check if umap contains a map in the given space.
391 __isl_give int isl_union_map_contains(__isl_keep isl_union_map *umap,
392 __isl_keep isl_dim *dim)
395 struct isl_hash_table_entry *entry;
400 hash = isl_dim_get_hash(dim);
401 entry = isl_hash_table_find(umap->dim->ctx, &umap->table, hash,
406 __isl_give int isl_union_set_contains(__isl_keep isl_union_set *uset,
407 __isl_keep isl_dim *dim)
409 return isl_union_map_contains(uset, dim);
412 int isl_union_set_foreach_set(__isl_keep isl_union_set *uset,
413 int (*fn)(__isl_take isl_set *set, void *user), void *user)
415 return isl_union_map_foreach_map(uset,
416 (int(*)(__isl_take isl_map *, void*))fn, user);
419 struct isl_union_set_foreach_point_data {
420 int (*fn)(__isl_take isl_point *pnt, void *user);
424 static int foreach_point(__isl_take isl_set *set, void *user)
426 struct isl_union_set_foreach_point_data *data = user;
429 r = isl_set_foreach_point(set, data->fn, data->user);
435 int isl_union_set_foreach_point(__isl_keep isl_union_set *uset,
436 int (*fn)(__isl_take isl_point *pnt, void *user), void *user)
438 struct isl_union_set_foreach_point_data data = { fn, user };
439 return isl_union_set_foreach_set(uset, &foreach_point, &data);
442 struct isl_union_map_gen_bin_data {
443 isl_union_map *umap2;
447 static int subtract_entry(void **entry, void *user)
449 struct isl_union_map_gen_bin_data *data = user;
451 struct isl_hash_table_entry *entry2;
452 isl_map *map = *entry;
454 hash = isl_dim_get_hash(map->dim);
455 entry2 = isl_hash_table_find(data->umap2->dim->ctx, &data->umap2->table,
456 hash, &has_dim, map->dim, 0);
457 map = isl_map_copy(map);
460 map = isl_map_subtract(map, isl_map_copy(entry2->data));
462 empty = isl_map_is_empty(map);
472 data->res = isl_union_map_add_map(data->res, map);
477 static __isl_give isl_union_map *gen_bin_op(__isl_take isl_union_map *umap1,
478 __isl_take isl_union_map *umap2, int (*fn)(void **, void *))
480 struct isl_union_map_gen_bin_data data = { NULL, NULL };
482 umap1 = isl_union_map_align_params(umap1, isl_union_map_get_dim(umap2));
483 umap2 = isl_union_map_align_params(umap2, isl_union_map_get_dim(umap1));
485 if (!umap1 || !umap2)
489 data.res = isl_union_map_alloc(isl_dim_copy(umap1->dim),
491 if (isl_hash_table_foreach(umap1->dim->ctx, &umap1->table,
495 isl_union_map_free(umap1);
496 isl_union_map_free(umap2);
499 isl_union_map_free(umap1);
500 isl_union_map_free(umap2);
501 isl_union_map_free(data.res);
505 __isl_give isl_union_map *isl_union_map_subtract(
506 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
508 return gen_bin_op(umap1, umap2, &subtract_entry);
511 __isl_give isl_union_set *isl_union_set_subtract(
512 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
514 return isl_union_map_subtract(uset1, uset2);
517 struct isl_union_map_match_bin_data {
518 isl_union_map *umap2;
520 __isl_give isl_map *(*fn)(__isl_take isl_map*, __isl_take isl_map*);
523 static int match_bin_entry(void **entry, void *user)
525 struct isl_union_map_match_bin_data *data = user;
527 struct isl_hash_table_entry *entry2;
528 isl_map *map = *entry;
531 hash = isl_dim_get_hash(map->dim);
532 entry2 = isl_hash_table_find(data->umap2->dim->ctx, &data->umap2->table,
533 hash, &has_dim, map->dim, 0);
537 map = isl_map_copy(map);
538 map = data->fn(map, isl_map_copy(entry2->data));
540 empty = isl_map_is_empty(map);
550 data->res = isl_union_map_add_map(data->res, map);
555 static __isl_give isl_union_map *match_bin_op(__isl_take isl_union_map *umap1,
556 __isl_take isl_union_map *umap2,
557 __isl_give isl_map *(*fn)(__isl_take isl_map*, __isl_take isl_map*))
559 struct isl_union_map_match_bin_data data = { NULL, NULL, fn };
561 umap1 = isl_union_map_align_params(umap1, isl_union_map_get_dim(umap2));
562 umap2 = isl_union_map_align_params(umap2, isl_union_map_get_dim(umap1));
564 if (!umap1 || !umap2)
568 data.res = isl_union_map_alloc(isl_dim_copy(umap1->dim),
570 if (isl_hash_table_foreach(umap1->dim->ctx, &umap1->table,
571 &match_bin_entry, &data) < 0)
574 isl_union_map_free(umap1);
575 isl_union_map_free(umap2);
578 isl_union_map_free(umap1);
579 isl_union_map_free(umap2);
580 isl_union_map_free(data.res);
584 __isl_give isl_union_map *isl_union_map_intersect(
585 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
587 return match_bin_op(umap1, umap2, &isl_map_intersect);
590 __isl_give isl_union_set *isl_union_set_intersect(
591 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
593 return isl_union_map_intersect(uset1, uset2);
596 __isl_give isl_union_map *isl_union_map_gist(__isl_take isl_union_map *umap,
597 __isl_take isl_union_map *context)
599 return match_bin_op(umap, context, &isl_map_gist);
602 __isl_give isl_union_set *isl_union_set_gist(__isl_take isl_union_set *uset,
603 __isl_take isl_union_set *context)
605 return isl_union_map_gist(uset, context);
608 static __isl_give isl_map *lex_le_set(__isl_take isl_map *set1,
609 __isl_take isl_map *set2)
611 return isl_set_lex_le_set((isl_set *)set1, (isl_set *)set2);
614 static __isl_give isl_map *lex_lt_set(__isl_take isl_map *set1,
615 __isl_take isl_map *set2)
617 return isl_set_lex_lt_set((isl_set *)set1, (isl_set *)set2);
620 __isl_give isl_union_map *isl_union_set_lex_lt_union_set(
621 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
623 return match_bin_op(uset1, uset2, &lex_lt_set);
626 __isl_give isl_union_map *isl_union_set_lex_le_union_set(
627 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
629 return match_bin_op(uset1, uset2, &lex_le_set);
632 __isl_give isl_union_map *isl_union_set_lex_gt_union_set(
633 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
635 return isl_union_map_reverse(isl_union_set_lex_lt_union_set(uset2, uset1));
638 __isl_give isl_union_map *isl_union_set_lex_ge_union_set(
639 __isl_take isl_union_set *uset1, __isl_take isl_union_set *uset2)
641 return isl_union_map_reverse(isl_union_set_lex_le_union_set(uset2, uset1));
644 __isl_give isl_union_map *isl_union_map_lex_gt_union_map(
645 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
647 return isl_union_map_reverse(isl_union_map_lex_lt_union_map(umap2, umap1));
650 __isl_give isl_union_map *isl_union_map_lex_ge_union_map(
651 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
653 return isl_union_map_reverse(isl_union_map_lex_le_union_map(umap2, umap1));
656 static int intersect_domain_entry(void **entry, void *user)
658 struct isl_union_map_gen_bin_data *data = user;
660 struct isl_hash_table_entry *entry2;
662 isl_map *map = *entry;
665 dim = isl_map_get_dim(map);
666 dim = isl_dim_domain(dim);
667 hash = isl_dim_get_hash(dim);
668 entry2 = isl_hash_table_find(data->umap2->dim->ctx, &data->umap2->table,
669 hash, &has_dim, dim, 0);
674 map = isl_map_copy(map);
675 map = isl_map_intersect_domain(map, isl_set_copy(entry2->data));
677 empty = isl_map_is_empty(map);
687 data->res = isl_union_map_add_map(data->res, map);
692 __isl_give isl_union_map *isl_union_map_intersect_domain(
693 __isl_take isl_union_map *umap, __isl_take isl_union_set *uset)
695 return gen_bin_op(umap, uset, &intersect_domain_entry);
698 static int intersect_range_entry(void **entry, void *user)
700 struct isl_union_map_gen_bin_data *data = user;
702 struct isl_hash_table_entry *entry2;
704 isl_map *map = *entry;
707 dim = isl_map_get_dim(map);
708 dim = isl_dim_range(dim);
709 hash = isl_dim_get_hash(dim);
710 entry2 = isl_hash_table_find(data->umap2->dim->ctx, &data->umap2->table,
711 hash, &has_dim, dim, 0);
716 map = isl_map_copy(map);
717 map = isl_map_intersect_range(map, isl_set_copy(entry2->data));
719 empty = isl_map_is_empty(map);
729 data->res = isl_union_map_add_map(data->res, map);
734 __isl_give isl_union_map *isl_union_map_intersect_range(
735 __isl_take isl_union_map *umap, __isl_take isl_union_set *uset)
737 return gen_bin_op(umap, uset, &intersect_range_entry);
740 struct isl_union_map_bin_data {
741 isl_union_map *umap2;
744 int (*fn)(void **entry, void *user);
747 static int apply_range_entry(void **entry, void *user)
749 struct isl_union_map_bin_data *data = user;
750 isl_map *map2 = *entry;
753 if (!isl_dim_tuple_match(data->map->dim, isl_dim_out,
754 map2->dim, isl_dim_in))
757 map2 = isl_map_apply_range(isl_map_copy(data->map), isl_map_copy(map2));
759 empty = isl_map_is_empty(map2);
769 data->res = isl_union_map_add_map(data->res, map2);
774 static int bin_entry(void **entry, void *user)
776 struct isl_union_map_bin_data *data = user;
777 isl_map *map = *entry;
780 if (isl_hash_table_foreach(data->umap2->dim->ctx, &data->umap2->table,
787 static __isl_give isl_union_map *bin_op(__isl_take isl_union_map *umap1,
788 __isl_take isl_union_map *umap2, int (*fn)(void **entry, void *user))
790 struct isl_union_map_bin_data data = { NULL, NULL, NULL, fn };
792 umap1 = isl_union_map_align_params(umap1, isl_union_map_get_dim(umap2));
793 umap2 = isl_union_map_align_params(umap2, isl_union_map_get_dim(umap1));
795 if (!umap1 || !umap2)
799 data.res = isl_union_map_alloc(isl_dim_copy(umap1->dim),
801 if (isl_hash_table_foreach(umap1->dim->ctx, &umap1->table,
802 &bin_entry, &data) < 0)
805 isl_union_map_free(umap1);
806 isl_union_map_free(umap2);
809 isl_union_map_free(umap1);
810 isl_union_map_free(umap2);
811 isl_union_map_free(data.res);
815 __isl_give isl_union_map *isl_union_map_apply_range(
816 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
818 return bin_op(umap1, umap2, &apply_range_entry);
821 __isl_give isl_union_map *isl_union_map_apply_domain(
822 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
824 umap1 = isl_union_map_reverse(umap1);
825 umap1 = isl_union_map_apply_range(umap1, umap2);
826 return isl_union_map_reverse(umap1);
829 __isl_give isl_union_set *isl_union_set_apply(
830 __isl_take isl_union_set *uset, __isl_take isl_union_map *umap)
832 return isl_union_map_apply_range(uset, umap);
835 static int map_lex_lt_entry(void **entry, void *user)
837 struct isl_union_map_bin_data *data = user;
838 isl_map *map2 = *entry;
840 if (!isl_dim_tuple_match(data->map->dim, isl_dim_out,
841 map2->dim, isl_dim_out))
844 map2 = isl_map_lex_lt_map(isl_map_copy(data->map), isl_map_copy(map2));
846 data->res = isl_union_map_add_map(data->res, map2);
851 __isl_give isl_union_map *isl_union_map_lex_lt_union_map(
852 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
854 return bin_op(umap1, umap2, &map_lex_lt_entry);
857 static int map_lex_le_entry(void **entry, void *user)
859 struct isl_union_map_bin_data *data = user;
860 isl_map *map2 = *entry;
862 if (!isl_dim_tuple_match(data->map->dim, isl_dim_out,
863 map2->dim, isl_dim_out))
866 map2 = isl_map_lex_le_map(isl_map_copy(data->map), isl_map_copy(map2));
868 data->res = isl_union_map_add_map(data->res, map2);
873 __isl_give isl_union_map *isl_union_map_lex_le_union_map(
874 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
876 return bin_op(umap1, umap2, &map_lex_le_entry);
879 static int product_entry(void **entry, void *user)
881 struct isl_union_map_bin_data *data = user;
882 isl_map *map2 = *entry;
884 map2 = isl_map_product(isl_map_copy(data->map), isl_map_copy(map2));
886 data->res = isl_union_map_add_map(data->res, map2);
891 __isl_give isl_union_map *isl_union_map_product(__isl_take isl_union_map *umap1,
892 __isl_take isl_union_map *umap2)
894 return bin_op(umap1, umap2, &product_entry);
897 __isl_give isl_union_set *isl_union_set_product(__isl_take isl_union_set *uset1,
898 __isl_take isl_union_set *uset2)
900 return isl_union_map_product(uset1, uset2);
903 static int range_product_entry(void **entry, void *user)
905 struct isl_union_map_bin_data *data = user;
906 isl_map *map2 = *entry;
908 map2 = isl_map_range_product(isl_map_copy(data->map),
911 data->res = isl_union_map_add_map(data->res, map2);
916 __isl_give isl_union_map *isl_union_map_range_product(
917 __isl_take isl_union_map *umap1, __isl_take isl_union_map *umap2)
919 return bin_op(umap1, umap2, &range_product_entry);
922 __isl_give isl_union_map *isl_union_map_from_range(
923 __isl_take isl_union_set *uset)
928 __isl_give isl_union_map *isl_union_map_from_domain(
929 __isl_take isl_union_set *uset)
931 return isl_union_map_reverse(isl_union_map_from_range(uset));
934 __isl_give isl_union_map *isl_union_map_from_domain_and_range(
935 __isl_take isl_union_set *domain, __isl_take isl_union_set *range)
937 return isl_union_map_apply_range(isl_union_map_from_domain(domain),
938 isl_union_map_from_range(range));
941 static __isl_give isl_union_map *un_op(__isl_take isl_union_map *umap,
942 int (*fn)(void **, void *))
944 umap = isl_union_map_cow(umap);
948 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table, fn, NULL) < 0)
953 isl_union_map_free(umap);
957 static int affine_entry(void **entry, void *user)
959 isl_map **map = (isl_map **)entry;
961 *map = isl_map_from_basic_map(isl_map_affine_hull(*map));
963 return *map ? 0 : -1;
966 __isl_give isl_union_map *isl_union_map_affine_hull(
967 __isl_take isl_union_map *umap)
969 return un_op(umap, &affine_entry);
972 __isl_give isl_union_set *isl_union_set_affine_hull(
973 __isl_take isl_union_set *uset)
975 return isl_union_map_affine_hull(uset);
978 static int polyhedral_entry(void **entry, void *user)
980 isl_map **map = (isl_map **)entry;
982 *map = isl_map_from_basic_map(isl_map_polyhedral_hull(*map));
984 return *map ? 0 : -1;
987 __isl_give isl_union_map *isl_union_map_polyhedral_hull(
988 __isl_take isl_union_map *umap)
990 return un_op(umap, &polyhedral_entry);
993 __isl_give isl_union_set *isl_union_set_polyhedral_hull(
994 __isl_take isl_union_set *uset)
996 return isl_union_map_polyhedral_hull(uset);
999 static int simple_entry(void **entry, void *user)
1001 isl_map **map = (isl_map **)entry;
1003 *map = isl_map_from_basic_map(isl_map_simple_hull(*map));
1005 return *map ? 0 : -1;
1008 __isl_give isl_union_map *isl_union_map_simple_hull(
1009 __isl_take isl_union_map *umap)
1011 return un_op(umap, &simple_entry);
1014 __isl_give isl_union_set *isl_union_set_simple_hull(
1015 __isl_take isl_union_set *uset)
1017 return isl_union_map_simple_hull(uset);
1020 static int inplace_entry(void **entry, void *user)
1022 __isl_give isl_map *(*fn)(__isl_take isl_map *);
1023 isl_map **map = (isl_map **)entry;
1026 fn = *(__isl_give isl_map *(**)(__isl_take isl_map *)) user;
1027 copy = fn(isl_map_copy(*map));
1037 static __isl_give isl_union_map *inplace(__isl_take isl_union_map *umap,
1038 __isl_give isl_map *(*fn)(__isl_take isl_map *))
1043 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table,
1044 &inplace_entry, &fn) < 0)
1049 isl_union_map_free(umap);
1053 __isl_give isl_union_map *isl_union_map_coalesce(
1054 __isl_take isl_union_map *umap)
1056 return inplace(umap, &isl_map_coalesce);
1059 __isl_give isl_union_set *isl_union_set_coalesce(
1060 __isl_take isl_union_set *uset)
1062 return isl_union_map_coalesce(uset);
1065 __isl_give isl_union_map *isl_union_map_detect_equalities(
1066 __isl_take isl_union_map *umap)
1068 return inplace(umap, &isl_map_detect_equalities);
1071 __isl_give isl_union_set *isl_union_set_detect_equalities(
1072 __isl_take isl_union_set *uset)
1074 return isl_union_map_detect_equalities(uset);
1077 __isl_give isl_union_map *isl_union_map_compute_divs(
1078 __isl_take isl_union_map *umap)
1080 return inplace(umap, &isl_map_compute_divs);
1083 __isl_give isl_union_set *isl_union_set_compute_divs(
1084 __isl_take isl_union_set *uset)
1086 return isl_union_map_compute_divs(uset);
1089 static int lexmin_entry(void **entry, void *user)
1091 isl_map **map = (isl_map **)entry;
1093 *map = isl_map_lexmin(*map);
1095 return *map ? 0 : -1;
1098 __isl_give isl_union_map *isl_union_map_lexmin(
1099 __isl_take isl_union_map *umap)
1101 return un_op(umap, &lexmin_entry);
1104 __isl_give isl_union_set *isl_union_set_lexmin(
1105 __isl_take isl_union_set *uset)
1107 return isl_union_map_lexmin(uset);
1110 static int lexmax_entry(void **entry, void *user)
1112 isl_map **map = (isl_map **)entry;
1114 *map = isl_map_lexmax(*map);
1116 return *map ? 0 : -1;
1119 __isl_give isl_union_map *isl_union_map_lexmax(
1120 __isl_take isl_union_map *umap)
1122 return un_op(umap, &lexmax_entry);
1125 __isl_give isl_union_set *isl_union_set_lexmax(
1126 __isl_take isl_union_set *uset)
1128 return isl_union_map_lexmax(uset);
1131 static __isl_give isl_union_set *cond_un_op(__isl_take isl_union_map *umap,
1132 int (*fn)(void **, void *))
1139 res = isl_union_map_alloc(isl_dim_copy(umap->dim), umap->table.n);
1140 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table, fn, &res) < 0)
1143 isl_union_map_free(umap);
1146 isl_union_map_free(umap);
1147 isl_union_set_free(res);
1151 static int reverse_entry(void **entry, void *user)
1153 isl_map *map = *entry;
1154 isl_union_map **res = user;
1156 *res = isl_union_map_add_map(*res, isl_map_reverse(isl_map_copy(map)));
1161 __isl_give isl_union_map *isl_union_map_reverse(__isl_take isl_union_map *umap)
1163 return cond_un_op(umap, &reverse_entry);
1166 static int domain_entry(void **entry, void *user)
1168 isl_map *map = *entry;
1169 isl_union_set **res = user;
1171 *res = isl_union_set_add_set(*res, isl_map_domain(isl_map_copy(map)));
1176 __isl_give isl_union_set *isl_union_map_domain(__isl_take isl_union_map *umap)
1178 return cond_un_op(umap, &domain_entry);
1181 static int range_entry(void **entry, void *user)
1183 isl_map *map = *entry;
1184 isl_union_set **res = user;
1186 *res = isl_union_set_add_set(*res, isl_map_range(isl_map_copy(map)));
1191 __isl_give isl_union_set *isl_union_map_range(__isl_take isl_union_map *umap)
1193 return cond_un_op(umap, &range_entry);
1196 static int domain_map_entry(void **entry, void *user)
1198 isl_map *map = *entry;
1199 isl_union_set **res = user;
1201 *res = isl_union_map_add_map(*res,
1202 isl_map_domain_map(isl_map_copy(map)));
1207 __isl_give isl_union_map *isl_union_map_domain_map(
1208 __isl_take isl_union_map *umap)
1210 return cond_un_op(umap, &domain_map_entry);
1213 static int range_map_entry(void **entry, void *user)
1215 isl_map *map = *entry;
1216 isl_union_set **res = user;
1218 *res = isl_union_map_add_map(*res,
1219 isl_map_range_map(isl_map_copy(map)));
1224 __isl_give isl_union_map *isl_union_map_range_map(
1225 __isl_take isl_union_map *umap)
1227 return cond_un_op(umap, &range_map_entry);
1230 static int deltas_entry(void **entry, void *user)
1232 isl_map *map = *entry;
1233 isl_union_set **res = user;
1235 if (!isl_dim_tuple_match(map->dim, isl_dim_in, map->dim, isl_dim_out))
1238 *res = isl_union_set_add_set(*res, isl_map_deltas(isl_map_copy(map)));
1243 __isl_give isl_union_set *isl_union_map_deltas(__isl_take isl_union_map *umap)
1245 return cond_un_op(umap, &deltas_entry);
1248 static int deltas_map_entry(void **entry, void *user)
1250 isl_map *map = *entry;
1251 isl_union_map **res = user;
1253 if (!isl_dim_tuple_match(map->dim, isl_dim_in, map->dim, isl_dim_out))
1256 *res = isl_union_map_add_map(*res,
1257 isl_map_deltas_map(isl_map_copy(map)));
1262 __isl_give isl_union_map *isl_union_map_deltas_map(
1263 __isl_take isl_union_map *umap)
1265 return cond_un_op(umap, &deltas_map_entry);
1268 static int identity_entry(void **entry, void *user)
1270 isl_set *set = *entry;
1271 isl_union_map **res = user;
1273 *res = isl_union_map_add_map(*res, isl_set_identity(isl_set_copy(set)));
1278 __isl_give isl_union_map *isl_union_set_identity(__isl_take isl_union_set *uset)
1280 return cond_un_op(uset, &identity_entry);
1283 static int unwrap_entry(void **entry, void *user)
1285 isl_set *set = *entry;
1286 isl_union_set **res = user;
1288 if (!isl_set_is_wrapping(set))
1291 *res = isl_union_map_add_map(*res, isl_set_unwrap(isl_set_copy(set)));
1296 __isl_give isl_union_map *isl_union_set_unwrap(__isl_take isl_union_set *uset)
1298 return cond_un_op(uset, &unwrap_entry);
1301 static int wrap_entry(void **entry, void *user)
1303 isl_map *map = *entry;
1304 isl_union_set **res = user;
1306 *res = isl_union_set_add_set(*res, isl_map_wrap(isl_map_copy(map)));
1311 __isl_give isl_union_set *isl_union_map_wrap(__isl_take isl_union_map *umap)
1313 return cond_un_op(umap, &wrap_entry);
1316 struct isl_union_map_is_subset_data {
1317 isl_union_map *umap2;
1321 static int is_subset_entry(void **entry, void *user)
1323 struct isl_union_map_is_subset_data *data = user;
1325 struct isl_hash_table_entry *entry2;
1326 isl_map *map = *entry;
1328 hash = isl_dim_get_hash(map->dim);
1329 entry2 = isl_hash_table_find(data->umap2->dim->ctx, &data->umap2->table,
1330 hash, &has_dim, map->dim, 0);
1332 data->is_subset = 0;
1336 data->is_subset = isl_map_is_subset(map, entry2->data);
1337 if (data->is_subset < 0 || !data->is_subset)
1343 int isl_union_map_is_subset(__isl_keep isl_union_map *umap1,
1344 __isl_keep isl_union_map *umap2)
1346 struct isl_union_map_is_subset_data data = { NULL, 1 };
1348 umap1 = isl_union_map_copy(umap1);
1349 umap2 = isl_union_map_copy(umap2);
1350 umap1 = isl_union_map_align_params(umap1, isl_union_map_get_dim(umap2));
1351 umap2 = isl_union_map_align_params(umap2, isl_union_map_get_dim(umap1));
1353 if (!umap1 || !umap2)
1357 if (isl_hash_table_foreach(umap1->dim->ctx, &umap1->table,
1358 &is_subset_entry, &data) < 0 &&
1362 isl_union_map_free(umap1);
1363 isl_union_map_free(umap2);
1365 return data.is_subset;
1367 isl_union_map_free(umap1);
1368 isl_union_map_free(umap2);
1372 int isl_union_set_is_subset(__isl_keep isl_union_set *uset1,
1373 __isl_keep isl_union_set *uset2)
1375 return isl_union_map_is_subset(uset1, uset2);
1378 int isl_union_map_is_equal(__isl_keep isl_union_map *umap1,
1379 __isl_keep isl_union_map *umap2)
1383 if (!umap1 || !umap2)
1385 is_subset = isl_union_map_is_subset(umap1, umap2);
1388 is_subset = isl_union_map_is_subset(umap2, umap1);
1392 int isl_union_set_is_equal(__isl_keep isl_union_set *uset1,
1393 __isl_keep isl_union_set *uset2)
1395 return isl_union_map_is_equal(uset1, uset2);
1398 int isl_union_map_is_strict_subset(__isl_keep isl_union_map *umap1,
1399 __isl_keep isl_union_map *umap2)
1403 if (!umap1 || !umap2)
1405 is_subset = isl_union_map_is_subset(umap1, umap2);
1408 is_subset = isl_union_map_is_subset(umap2, umap1);
1409 if (is_subset == -1)
1414 int isl_union_set_is_strict_subset(__isl_keep isl_union_set *uset1,
1415 __isl_keep isl_union_set *uset2)
1417 return isl_union_map_is_strict_subset(uset1, uset2);
1420 static int sample_entry(void **entry, void *user)
1422 isl_basic_map **sample = (isl_basic_map **)user;
1423 isl_map *map = *entry;
1425 *sample = isl_map_sample(isl_map_copy(map));
1428 if (!isl_basic_map_fast_is_empty(*sample))
1433 __isl_give isl_basic_map *isl_union_map_sample(__isl_take isl_union_map *umap)
1435 isl_basic_map *sample = NULL;
1440 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table,
1441 &sample_entry, &sample) < 0 &&
1446 sample = isl_basic_map_empty(isl_union_map_get_dim(umap));
1448 isl_union_map_free(umap);
1452 isl_union_map_free(umap);
1456 __isl_give isl_basic_set *isl_union_set_sample(__isl_take isl_union_set *uset)
1458 return (isl_basic_set *)isl_union_map_sample(uset);
1461 static int empty_entry(void **entry, void *user)
1464 isl_map *map = *entry;
1466 if (isl_map_is_empty(map))
1474 __isl_give int isl_union_map_is_empty(__isl_keep isl_union_map *umap)
1481 if (isl_hash_table_foreach(umap->dim->ctx, &umap->table,
1482 &empty_entry, &empty) < 0 && empty)
1488 int isl_union_set_is_empty(__isl_keep isl_union_set *uset)
1490 return isl_union_map_is_empty(uset);
1493 static int zip_entry(void **entry, void *user)
1495 isl_map *map = *entry;
1496 isl_union_map **res = user;
1498 if (!isl_map_can_zip(map))
1501 *res = isl_union_map_add_map(*res, isl_map_zip(isl_map_copy(map)));
1506 __isl_give isl_union_map *isl_union_map_zip(__isl_take isl_union_map *umap)
1508 return cond_un_op(umap, &zip_entry);
1511 static int lift_entry(void **entry, void *user)
1513 isl_set *set = *entry;
1514 isl_union_set **res = user;
1516 *res = isl_union_set_add_set(*res, isl_set_lift(isl_set_copy(set)));
1521 __isl_give isl_union_set *isl_union_set_lift(__isl_take isl_union_set *uset)
1523 return cond_un_op(uset, &lift_entry);
1526 static int coefficients_entry(void **entry, void *user)
1528 isl_set *set = *entry;
1529 isl_union_set **res = user;
1531 set = isl_set_copy(set);
1532 set = isl_set_from_basic_set(isl_set_coefficients(set));
1533 *res = isl_union_set_add_set(*res, set);
1538 __isl_give isl_union_set *isl_union_set_coefficients(
1539 __isl_take isl_union_set *uset)
1548 ctx = isl_union_set_get_ctx(uset);
1549 dim = isl_dim_set_alloc(ctx, 0, 0);
1550 res = isl_union_map_alloc(dim, uset->table.n);
1551 if (isl_hash_table_foreach(uset->dim->ctx, &uset->table,
1552 &coefficients_entry, &res) < 0)
1555 isl_union_set_free(uset);
1558 isl_union_set_free(uset);
1559 isl_union_set_free(res);
1563 static int solutions_entry(void **entry, void *user)
1565 isl_set *set = *entry;
1566 isl_union_set **res = user;
1568 set = isl_set_copy(set);
1569 set = isl_set_from_basic_set(isl_set_solutions(set));
1571 *res = isl_union_set_from_set(set);
1573 *res = isl_union_set_add_set(*res, set);
1581 __isl_give isl_union_set *isl_union_set_solutions(
1582 __isl_take isl_union_set *uset)
1586 isl_union_set *res = NULL;
1591 if (uset->table.n == 0) {
1592 res = isl_union_set_empty(isl_union_set_get_dim(uset));
1593 isl_union_set_free(uset);
1597 if (isl_hash_table_foreach(uset->dim->ctx, &uset->table,
1598 &solutions_entry, &res) < 0)
1601 isl_union_set_free(uset);
1604 isl_union_set_free(uset);
1605 isl_union_set_free(res);