| // 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) } |