1 files changed, 42 insertions, 0 deletions
diff --git a/polly/lib/External/isl/isl_pw_scale_templ.c b/polly/lib/External/isl/isl_pw_scale_templ.c
new file mode 100644
index 000000000000..81c8495e9cb7
--- /dev/null
+++ b/polly/lib/External/isl/isl_pw_scale_templ.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010      INRIA Saclay
+ *
+ * Use of this software is governed by the MIT license
+ *
+ * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
+ * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
+ * 91893 Orsay, France
+ */
+
+#include <isl_pw_macro.h>
+
+__isl_give PW *FN(PW,scale)(__isl_take PW *pw, isl_int v)
+{
+	int i;
+	isl_size n;
+
+	if (isl_int_is_one(v))
+		return pw;
+	if (pw && DEFAULT_IS_ZERO && isl_int_is_zero(v)) {
+		PW *zero;
+		isl_space *space = FN(PW,get_space)(pw);
+		zero = FN(PW,ZERO)(space OPT_TYPE_ARG(pw->));
+		FN(PW,free)(pw);
+		return zero;
+	}
+	if (isl_int_is_neg(v))
+		pw = FN(PW,negate_type)(pw);
+
+	n = FN(PW,n_piece)(pw);
+	if (n < 0)
+		return FN(PW,free)(pw);
+	for (i = 0; i < n; ++i) {
+		EL *el;
+
+		el = FN(PW,take_base_at)(pw, i);
+		el = FN(EL,scale)(el, v);
+		pw = FN(PW,restore_base_at)(pw, i, el);
+	}
+
+	return pw;
+}