isl_map_transitive_closure: break early if input map doesn't compose with itself

[platform/upstream/isl.git] / isl_map_simplify.c

diff --git a/isl_map_simplify.c b/isl_map_simplify.c
index 04d2771..d4b7af9 100644 (file)
--- a/isl_map_simplify.c
+++ b/isl_map_simplify.c
@@ -242,6 +242,12 @@ error:
        return NULL;
 }
 
+struct isl_set *isl_set_drop(struct isl_set *set,
+       enum isl_dim_type type, unsigned first, unsigned n)
+{
+       return (isl_set *)isl_map_drop((isl_map *)set, type, first, n);
+}
+
 struct isl_map *isl_map_drop_inputs(
                struct isl_map *map, unsigned first, unsigned n)
 {