// Copyright 2009 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 // Exp returns e**x, the base-e exponential of x. // // Special cases are: // Exp(+Inf) = +Inf // Exp(NaN) = NaN // Very large values overflow to 0 or +Inf. // Very small values underflow to 1. func Exp(x float64) float64 { return expGo(x) }