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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)
- }
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