libgo/go/math/unsafe.go

   1 // Copyright 2009 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package math
   6
   7 import "unsafe"
   8
   9 // Float32bits returns the IEEE 754 binary representation of f.
  10 func Float32bits(f float32) uint32 { return *(*uint32)(unsafe.Pointer(&f)) }
  11
  12 // Float32frombits returns the floating point number corresponding
  13 // to the IEEE 754 binary representation b.
  14 func Float32frombits(b uint32) float32 { return *(*float32)(unsafe.Pointer(&b)) }
  15
  16 // Float64bits returns the IEEE 754 binary representation of f.
  17 func Float64bits(f float64) uint64 { return *(*uint64)(unsafe.Pointer(&f)) }
  18
  19 // Float64frombits returns the floating point number corresponding
  20 // the IEEE 754 binary representation b.
  21 func Float64frombits(b uint64) float64 { return *(*float64)(unsafe.Pointer(&b)) }