math: remove the leading F from Fabs etc.
The letter is a holdover from C and unnecessary in Go.
Gofix module included.
Fixes #2306.
R=golang-dev, gri, dsymonds
CC=golang-dev
https://golang.org/cl/5158043
diff --git a/src/pkg/math/dim.go b/src/pkg/math/dim.go
new file mode 100644
index 0000000..d2eb52f
--- /dev/null
+++ b/src/pkg/math/dim.go
@@ -0,0 +1,29 @@
+// Copyright 2010 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
+
+// Dim returns the maximum of x-y or 0.
+func Dim(x, y float64) float64 {
+ if x > y {
+ return x - y
+ }
+ return 0
+}
+
+// Max returns the larger of x or y.
+func Max(x, y float64) float64 {
+ if x > y {
+ return x
+ }
+ return y
+}
+
+// Min returns the smaller of x or y.
+func Min(x, y float64) float64 {
+ if x < y {
+ return x
+ }
+ return y
+}
