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. 7 package cmplx 8 9 import "math" 10 11 // Abs returns the absolute value (also called the modulus) of x. 12 func Abs(x complex128) float64 { return math.Hypot(real(x), imag(x)) } 13
