| // 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. |
| |
| // Package cmplx provides basic constants and mathematical functions for |
| // complex numbers. Special case handling conforms to the C99 standard |
| // Annex G IEC 60559-compatible complex arithmetic. |
| package cmplx |
| |
| 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)) } |