struct isl_set *isl_map_underlying_set(struct isl_map *map);
struct isl_basic_map *isl_basic_map_overlying_set(struct isl_basic_set *bset,
struct isl_basic_map *like);
+__isl_give isl_basic_set *isl_basic_set_drop(__isl_take isl_basic_set *bset,
+ enum isl_dim_type type, unsigned first, unsigned n);
struct isl_basic_map *isl_basic_map_drop(struct isl_basic_map *bmap,
enum isl_dim_type type, unsigned first, unsigned n);
+struct isl_set *isl_set_drop(struct isl_set *set,
+ enum isl_dim_type type, unsigned first, unsigned n);
struct isl_basic_set *isl_basic_set_drop_dims(
struct isl_basic_set *bset, unsigned first, unsigned n);
struct isl_set *isl_set_drop_dims(
struct isl_basic_set *isl_basic_set_eliminate_vars(
struct isl_basic_set *bset, unsigned pos, unsigned n);
+__isl_give isl_map *isl_map_eliminate(__isl_take isl_map *map,
+ enum isl_dim_type type, unsigned first, unsigned n);
+__isl_give isl_set *isl_set_eliminate(__isl_take isl_set *set,
+ enum isl_dim_type type, unsigned first, unsigned n);
+
int isl_basic_set_constraint_is_redundant(struct isl_basic_set **bset,
isl_int *c, isl_int *opt_n, isl_int *opt_d);
int isl_basic_map_contains_point(__isl_keep isl_basic_map *bmap,
__isl_keep isl_point *point);
int isl_set_contains_point(__isl_keep isl_set *set, __isl_keep isl_point *point);
+
+int isl_basic_set_vars_get_sign(__isl_keep isl_basic_set *bset,
+ unsigned first, unsigned n, int *signs);