1 files changed, 17 insertions, 0 deletions
diff --git a/src/lib/math/fabs.go b/src/lib/math/fabs.go
new file mode 100644
index 000000000..34d0de969
--- /dev/null
+++ b/src/lib/math/fabs.go
@@ -0,0 +1,17 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package fabs
+
+export	fabs
+
+func
+fabs(arg double) double
+{
+
+	if arg < 0 {
+		return -arg;
+	}
+	return arg;
+}