| // Copyright 2017 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. | |
| // +build ignore | |
| package math | |
| // Sincos returns Sin(x), Cos(x). | |
| // | |
| // Special cases are: | |
| // Sincos(±0) = ±0, 1 | |
| // Sincos(±Inf) = NaN, NaN | |
| // Sincos(NaN) = NaN, NaN | |
| func Sincos(x float64) (sin, cos float64) |