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 5 package 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]. 10 func Polar(x complex128) (r, θ float64) { 11 return Abs(x), Phase(x) 12 } 13