Mercurial > hg > CbC > CbC_gcc
view libgo/go/math/copysign.go @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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// 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 // Copysign returns a value with the magnitude // of x and the sign of y. func Copysign(x, y float64) float64 { const sign = 1 << 63 return Float64frombits(Float64bits(x)&^sign | Float64bits(y)&sign) }