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.
7 // Exp2 returns 2**x, the base-2 exponential of x.
9 // Special cases are the same as Exp.
10 func Exp2(x float64) float64 { return exp2Go(x) }