2 * (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
3 * See the copyright notice in the ACK home directory, in the file "Copyright".
5 * Author: Ceriel J.H. Jacobs
7 /* $Id: fabs.c,v 1.2 1994/06/24 11:43:30 ceriel Exp $ */
12 return x < 0 ? -x : x;