isl_test_cpp17-generic.cc: work around std::optional::value issue in older macOS
[isl.git] / isl_factorization.h
blob8b9bf76be3c3d791cd101d70a15a9dd1925208e0
1 #ifndef ISL_FACTORIZATION_H
2 #define ISL_FACTORIZATION_H
4 #include <isl/set.h>
5 #include <isl_morph.h>
7 #if defined(__cplusplus)
8 extern "C" {
9 #endif
11 /* Data for factorizing the basic set "bset".
12 * After applying "morph" to the basic set, there are "n_group"
13 * groups of consecutive set variables, each of length "len[i]",
14 * with 0 <= i < n_group.
15 * If no factorization is possible, then "n_group" is set to 0.
17 struct isl_factorizer {
18 isl_basic_set *bset;
19 isl_morph *morph;
20 int n_group;
21 int *len;
23 typedef struct isl_factorizer isl_factorizer;
25 __isl_give isl_factorizer *isl_basic_set_factorizer(
26 __isl_keep isl_basic_set *bset);
28 isl_ctx *isl_factorizer_get_ctx(__isl_keep isl_factorizer *f);
30 __isl_null isl_factorizer *isl_factorizer_free(__isl_take isl_factorizer *f);
31 void isl_factorizer_dump(__isl_take isl_factorizer *f);
33 __isl_give isl_bool isl_factorizer_every_factor_basic_set(
34 __isl_keep isl_factorizer *f,
35 isl_bool (*test)(__isl_keep isl_basic_set *bset, void *user),
36 void *user);
38 #if defined(__cplusplus)
40 #endif
42 #endif