Retro68/gcc/libgo/go/math/cmplx/rect.go
Wolfgang Thaller aaf905ce07 add gcc 4.70
2012-03-28 01:13:14 +02:00

14 lines
348 B
Go

// 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 cmplx
import "math"
// Rect returns the complex number x with polar coordinates r, θ.
func Rect(r, θ float64) complex128 {
s, c := math.Sincos(θ)
return complex(r*c, r*s)
}