diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /src/math/copysign.go | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/math/copysign.go')
-rw-r--r-- | src/math/copysign.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/math/copysign.go b/src/math/copysign.go new file mode 100644 index 0000000..3a30afb --- /dev/null +++ b/src/math/copysign.go @@ -0,0 +1,12 @@ +// 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 f +// and the sign of sign. +func Copysign(f, sign float64) float64 { + const signBit = 1 << 63 + return Float64frombits(Float64bits(f)&^signBit | Float64bits(sign)&signBit) +} |