From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- src/math/unsafe.go | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 src/math/unsafe.go (limited to 'src/math/unsafe.go') diff --git a/src/math/unsafe.go b/src/math/unsafe.go new file mode 100644 index 0000000..e59f50c --- /dev/null +++ b/src/math/unsafe.go @@ -0,0 +1,29 @@ +// 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 + +import "unsafe" + +// Float32bits returns the IEEE 754 binary representation of f, +// with the sign bit of f and the result in the same bit position. +// Float32bits(Float32frombits(x)) == x. +func Float32bits(f float32) uint32 { return *(*uint32)(unsafe.Pointer(&f)) } + +// Float32frombits returns the floating-point number corresponding +// to the IEEE 754 binary representation b, with the sign bit of b +// and the result in the same bit position. +// Float32frombits(Float32bits(x)) == x. +func Float32frombits(b uint32) float32 { return *(*float32)(unsafe.Pointer(&b)) } + +// Float64bits returns the IEEE 754 binary representation of f, +// with the sign bit of f and the result in the same bit position, +// and Float64bits(Float64frombits(x)) == x. +func Float64bits(f float64) uint64 { return *(*uint64)(unsafe.Pointer(&f)) } + +// Float64frombits returns the floating-point number corresponding +// to the IEEE 754 binary representation b, with the sign bit of b +// and the result in the same bit position. +// Float64frombits(Float64bits(x)) == x. +func Float64frombits(b uint64) float64 { return *(*float64)(unsafe.Pointer(&b)) } -- cgit v1.2.3