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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

// Polar returns the absolute value r and phase θ of x,

// such that x = r * e**θi.

// The phase is in the range [-Pi, Pi].

func Polar(x complex128) (r, θ float64) {

        return Abs(x), Phase(x)

}