abs.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 provides basic constants and mathematical functions for
   6  // complex numbers. Special case handling conforms to the C99 standard
   7  // Annex G IEC 60559-compatible complex arithmetic.
   8  package cmplx
   9  
  10  import "math"
  11  
  12  // Abs returns the absolute value (also called the modulus) of x.
  13  func Abs(x complex128) float64 { return math.Hypot(real(x), imag(x)) }
  14