github.com/goproxy0/go@v0.0.0-20171111080102-49cc0c489d2c/src/math/unsafe.go (about)

     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)) }