1129202Scognet/* $NetBSD: fabs.c,v 1.2 2002/05/26 11:48:01 wiz Exp $ */ 2129202Scognet 3129202Scognet/* 4129202Scognet * Copyright (c) 1996 Mark Brinicombe 5129202Scognet * 6129202Scognet * Redistribution and use in source and binary forms, with or without 7129202Scognet * modification, are permitted provided that the following conditions 8129202Scognet * are met: 9129202Scognet * 1. Redistributions of source code must retain the above copyright 10129202Scognet * notice, this list of conditions and the following disclaimer. 11129202Scognet * 2. Redistributions in binary form must reproduce the above copyright 12129202Scognet * notice, this list of conditions and the following disclaimer in the 13129202Scognet * documentation and/or other materials provided with the distribution. 14129202Scognet * 3. All advertising materials mentioning features or use of this software 15129202Scognet * must display the following acknowledgement: 16129202Scognet * This product includes software developed by Mark Brinicombe 17129202Scognet * 4. Neither the name of the University nor the names of its contributors 18129202Scognet * may be used to endorse or promote products derived from this software 19129202Scognet * without specific prior written permission. 20129202Scognet * 21129202Scognet * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22129202Scognet * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23129202Scognet * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24129202Scognet * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25129202Scognet * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26129202Scognet * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27129202Scognet * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28129202Scognet * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29129202Scognet * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30129202Scognet * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31129202Scognet * SUCH DAMAGE. 32129202Scognet */ 33129202Scognet 34129202Scognet/* 35129202Scognet * fabs(x) returns the absolute value of x. 36129202Scognet */ 37129202Scognet#include <sys/cdefs.h> 38129202Scognet__FBSDID("$FreeBSD$"); 39129202Scognet 40129202Scognetdouble 41129202Scognetfabs(double x) 42129202Scognet{ 43129202Scognet if (x < 0) 44129202Scognet x = -x; 45129202Scognet return(x); 46129202Scognet} 47