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// Copyright 2010 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
// Exp2 returns 2**x, the base-2 exponential of x.
// Special cases are the same as Exp.
func Exp2(x float64) float64 { return exp2Go(x) }