add isl_map_is_translation

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

diff --git a/isl_map.c b/isl_map.c
index e0f80f8..9b87bd8 100644 (file)
--- a/isl_map.c
+++ b/isl_map.c
@@ -273,6 +273,59 @@ struct isl_dim *isl_set_get_dim(struct isl_set *set)
        return isl_dim_copy(set->dim);
 }
 
+__isl_give isl_basic_map *isl_basic_map_set_dim_name(
+       __isl_take isl_basic_map *bmap,
+       enum isl_dim_type type, unsigned pos, const char *s)
+{
+       if (!bmap)
+               return NULL;
+       bmap->dim = isl_dim_set_name(bmap->dim, type, pos, s);
+       if (!bmap->dim)
+               goto error;
+       return bmap;
+error:
+       isl_basic_map_free(bmap);
+       return NULL;
+}
+
+__isl_give isl_map *isl_map_set_dim_name(__isl_take isl_map *map,
+       enum isl_dim_type type, unsigned pos, const char *s)
+{
+       int i;
+
+       if (!map)
+               return NULL;
+
+       map->dim = isl_dim_set_name(map->dim, type, pos, s);
+       if (!map->dim)
+               goto error;
+
+       for (i = 0; i < map->n; ++i) {
+               map->p[i] = isl_basic_map_set_dim_name(map->p[i], type, pos, s);
+               if (!map->p[i])
+                       goto error;
+       }
+
+       return map;
+error:
+       isl_map_free(map);
+       return NULL;
+}
+
+__isl_give isl_basic_set *isl_basic_set_set_dim_name(
+       __isl_take isl_basic_set *bset,
+       enum isl_dim_type type, unsigned pos, const char *s)
+{
+       return (isl_basic_set *)isl_basic_map_set_dim_name(
+               (isl_basic_map *)bset, type, pos, s);
+}
+
+__isl_give isl_set *isl_set_set_dim_name(__isl_take isl_set *set,
+       enum isl_dim_type type, unsigned pos, const char *s)
+{
+       return (isl_set *)isl_map_set_dim_name((isl_map *)set, type, pos, s);
+}
+
 int isl_basic_map_is_rational(__isl_keep isl_basic_map *bmap)
 {
        if (!bmap)
@@ -6756,3 +6809,20 @@ int isl_map_is_single_valued(__isl_keep isl_map *map)
 
        return sv;
 }
+
+int isl_set_is_singleton(__isl_keep isl_set *set)
+{
+       return isl_map_is_single_valued((isl_map *)set);
+}
+
+int isl_map_is_translation(__isl_keep isl_map *map)
+{
+       int ok;
+       isl_set *delta;
+
+       delta = isl_map_deltas(isl_map_copy(map));
+       ok = isl_set_is_singleton(delta);
+       isl_set_free(delta);
+
+       return ok;
+}