// 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) }