1// Copyright 2010 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package cmplx 6 7// Polar returns the absolute value r and phase θ of x, 8// such that x = r * e**θi. 9// The phase is in the range [-Pi, Pi]. 10func Polar(x complex128) (r, θ float64) { 11 return Abs(x), Phase(x) 12} 13