polar.mx raw

   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