add isl_basic_map_is_rational

diff --git a/include/isl_map.h b/include/isl_map.h
index 2e0c3db..91d9ae4 100644 (file)
--- a/include/isl_map.h
+++ b/include/isl_map.h
@@ -125,6 +125,8 @@ unsigned isl_map_dim(const struct isl_map *map, enum isl_dim_type type);
 __isl_give isl_dim *isl_basic_map_get_dim(__isl_keep isl_basic_map *bmap);
 __isl_give isl_dim *isl_map_get_dim(__isl_keep isl_map *map);
 
+int isl_basic_map_is_rational(__isl_keep isl_basic_map *bmap);
+
 struct isl_basic_map *isl_basic_map_alloc(struct isl_ctx *ctx,
                unsigned nparam, unsigned in, unsigned out, unsigned extra,
                unsigned n_eq, unsigned n_ineq);

diff --git a/isl_map.c b/isl_map.c
index 3e66b1b..e0f80f8 100644 (file)
--- a/isl_map.c
+++ b/isl_map.c
@@ -273,6 +273,13 @@ struct isl_dim *isl_set_get_dim(struct isl_set *set)
        return isl_dim_copy(set->dim);
 }
 
+int isl_basic_map_is_rational(__isl_keep isl_basic_map *bmap)
+{
+       if (!bmap)
+               return -1;
+       return ISL_F_ISSET(bmap, ISL_BASIC_MAP_RATIONAL);
+}
+
 static struct isl_basic_map *basic_map_init(struct isl_ctx *ctx,
                struct isl_basic_map *bmap, unsigned extra,
                unsigned n_eq, unsigned n_ineq)