Retro68/gcc/libgo/go/math/unsafe.go
Wolfgang Thaller aaf905ce07 add gcc 4.70
2012-03-28 01:13:14 +02:00

22 lines
859 B
Go

// 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)) }