libgo/go/math/exp2.go

   1 // Copyright 2010 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 // Exp2 returns 2**x, the base-2 exponential of x.
   8 //
   9 // Special cases are the same as Exp.
  10 func Exp2(x float64) float64 { return Exp(x * Ln2) }