1// Copyright 2009 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package math
6
7// Abs returns the absolute value of x.
8//
9// Special cases are:
10//
11//	Abs(±Inf) = +Inf
12//	Abs(NaN) = NaN
13func Abs(x float64) float64 {
14	return Float64frombits(Float64bits(x) &^ (1 << 63))
15}
16