add isl_int_mul_si

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

diff --git a/isl_point.c b/isl_point.c
index 53419be..00514a9 100644 (file)
--- a/isl_point.c
+++ b/isl_point.c
@@ -125,14 +125,21 @@ int isl_point_is_void(__isl_keep isl_point *pnt)
        return pnt->vec->size == 0;
 }
 
-void isl_point_get_coordinate(__isl_keep isl_point *pnt,
+int isl_point_get_coordinate(__isl_keep isl_point *pnt,
        enum isl_dim_type type, int pos, isl_int *v)
 {
        if (!pnt || isl_point_is_void(pnt))
-               return;
+               return -1;
+
+       if (pos < 0 || pos >= isl_space_dim(pnt->dim, type))
+               isl_die(isl_point_get_ctx(pnt), isl_error_invalid,
+                       "position out of bounds", return -1);
+
        if (type == isl_dim_set)
                pos += isl_space_dim(pnt->dim, isl_dim_param);
        isl_int_set(*v, pnt->vec->el[1 + pos]);
+
+       return 0;
 }
 
 __isl_give isl_point *isl_point_set_coordinate(__isl_take isl_point *pnt,