view libgo/go/math/unsafe.go @ 138:fc828634a951

merge
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 08 Nov 2018 14:17:14 +0900
parents 04ced10e8804
children 1830386684a0
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// 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.
func Float32bits(f float32) uint32 { return *(*uint32)(unsafe.Pointer(&f)) }

// Float32frombits returns the floating point number corresponding
// to the IEEE 754 binary representation b.
func Float32frombits(b uint32) float32 { return *(*float32)(unsafe.Pointer(&b)) }

// Float64bits returns the IEEE 754 binary representation of f.
func Float64bits(f float64) uint64 { return *(*uint64)(unsafe.Pointer(&f)) }

// Float64frombits returns the floating point number corresponding
// the IEEE 754 binary representation b.
func Float64frombits(b uint64) float64 { return *(*float64)(unsafe.Pointer(&b)) }