| // 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 | |
| // Sqrt returns the square root of x. | |
| // | |
| // Special cases are: | |
| // Sqrt(+Inf) = +Inf | |
| // Sqrt(x < 0) = NaN | |
| // Sqrt(NaN) = NaN | |
| func Sqrt(x float64) float64 { return sqrtGo(x) } |