+__isl_give isl_basic_set *isl_basic_set_drop_constraints_involving_dims(
+ __isl_take isl_basic_set *bset,
+ enum isl_dim_type type, unsigned first, unsigned n);
+__isl_give isl_basic_set *isl_basic_set_drop_constraints_not_involving_dims(
+ __isl_take isl_basic_set *bset,
+ enum isl_dim_type type, unsigned first, unsigned n);
+__isl_give isl_set *isl_set_drop_constraints_involving_dims(
+ __isl_take isl_set *set,
+ enum isl_dim_type type, unsigned first, unsigned n);
+