Mercurial > hg > CbC > CbC_gcc
view libgo/go/math/unsafe.go @ 158:494b0b89df80 default tip
...
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
children |
line wrap: on
line source
// 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)) }