| // 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. | |
| // The cmath package provides basic constants | |
| // and mathematical functions for complex numbers. | |
| package cmath | |
| import "math" | |
| // Abs returns the absolute value (also called the modulus) of x. | |
| func Abs(x complex128) float64 { return math.Hypot(real(x), imag(x)) } |