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14 lines
348 B
Go
14 lines
348 B
Go
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// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cmplx
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import "math"
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// Rect returns the complex number x with polar coordinates r, θ.
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func Rect(r, θ float64) complex128 {
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s, c := math.Sincos(θ)
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return complex(r*c, r*s)
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}
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