+
+isl_int *isl_set_wrap_facet(__isl_keep isl_set *set,
+ isl_int *facet, isl_int *ridge);
+
+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);
+
+int isl_basic_set_add_div_constraints_var(__isl_keep isl_basic_set *bset,
+ unsigned pos, isl_int *div);
+int isl_basic_map_is_div_constraint(__isl_keep isl_basic_map *bmap,
+ isl_int *constraint, unsigned div);