From 109be507377fe7f6e8819ac94041d3fdcdf6fd2f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:18:25 +0200 Subject: Adding upstream version 1.19.8. Signed-off-by: Daniel Baumann --- src/math/signbit.go | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 src/math/signbit.go (limited to 'src/math/signbit.go') diff --git a/src/math/signbit.go b/src/math/signbit.go new file mode 100644 index 0000000..f6e61d6 --- /dev/null +++ b/src/math/signbit.go @@ -0,0 +1,10 @@ +// 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 + +// Signbit reports whether x is negative or negative zero. +func Signbit(x float64) bool { + return Float64bits(x)&(1<<63) != 0 +} -- cgit v1.2.3