| // 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; | |
| } |