s_fabs.c revision 97413 
1/* @(#)s_fabs.c 5.1 93/09/24 */
2/*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
9 * is preserved.
10 * ====================================================
11 */
12
13#ifndef lint
14static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_fabs.c 97413 2002-05-28 18:15:04Z alfred $";
15#endif
16
17/*
18 * fabs(x) returns the absolute value of x.
19 */
20
21#include "math.h"
22#include "math_private.h"
23
24double
25fabs(double x)
26{
27	u_int32_t high;
28	GET_HIGH_WORD(high,x);
29	SET_HIGH_WORD(x,high&0x7fffffff);
30        return x;
31}
32