temporarily make isl_val_int_from_isl_int available

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

diff --git a/isl_power_templ.c b/isl_power_templ.c
index b9fc559..65253bd 100644 (file)
--- a/isl_power_templ.c
+++ b/isl_power_templ.c
@@ -1,3 +1,5 @@
+#include <isl_val_private.h>
+
 #define xFN(TYPE,NAME) TYPE ## _ ## NAME
 #define FN(TYPE,NAME) xFN(TYPE,NAME)
 
@@ -56,3 +58,24 @@ error:
        FN(TYPE,free)(map);
        return NULL;
 }
+
+/* Compute the given non-zero power of "map" and return the result.
+ * If the exponent "exp" is negative, then the -exp th power of the inverse
+ * relation is computed.
+ */
+__isl_give TYPE *FN(TYPE,fixed_power_val)(__isl_take TYPE *map,
+       __isl_take isl_val *exp)
+{
+       if (!map || !exp)
+               goto error;
+       if (!isl_val_is_int(exp))
+               isl_die(FN(TYPE,get_ctx)(map), isl_error_invalid,
+                       "expecting integer exponent", goto error);
+       map = FN(TYPE,fixed_power)(map, exp->n);
+       isl_val_free(exp);
+       return map;
+error:
+       FN(TYPE,free)(map);
+       isl_val_free(exp);
+       return NULL;
+}