1 files changed, 14 insertions, 0 deletions
diff --git a/src/pkg/math/fabs.go b/src/pkg/math/fabs.go
new file mode 100644
index 000000000..9427c5726
--- /dev/null
+++ b/src/pkg/math/fabs.go
@@ -0,0 +1,14 @@
+// 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 math
+
+// Fabs returns the absolute value of x.
+func Fabs(x float64) float64 {
+	if x < 0 {
+		return -x;
+	}
+	return x;
+}
+