temporarily make isl_val_int_from_isl_int available

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

diff --git a/isl_multi_templ.c b/isl_multi_templ.c
index 8e3c9d3..720649d 100644 (file)
--- a/isl_multi_templ.c
+++ b/isl_multi_templ.c
@@ -836,3 +836,39 @@ error:
        FN(MULTI(BASE),free)(multi2);
        return NULL;
 }
+
+/* Multiply the elements of "multi" by "v" and return the result.
+ */
+__isl_give MULTI(BASE) *FN(MULTI(BASE),scale_val)(__isl_take MULTI(BASE) *multi,
+       __isl_take isl_val *v)
+{
+       int i;
+
+       if (!multi || !v)
+               goto error;
+
+       if (isl_val_is_one(v)) {
+               isl_val_free(v);
+               return multi;
+       }
+
+       if (!isl_val_is_rat(v))
+               isl_die(isl_val_get_ctx(v), isl_error_invalid,
+                       "expecting rational factor", goto error);
+
+       multi = FN(MULTI(BASE),cow)(multi);
+       if (!multi)
+               return NULL;
+
+       for (i = 0; i < multi->n; ++i) {
+               multi->p[i] = FN(EL,scale_val)(multi->p[i], isl_val_copy(v));
+               if (!multi->p[i])
+                       goto error;
+       }
+
+       isl_val_free(v);
+       return multi;
+error:
+       isl_val_free(v);
+       return FN(MULTI(BASE),free)(multi);
+}