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| // 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)
| }
|
|