xref: /netbsd/lib/libm/src/s_fabs.c (revision bf9ec67e)
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 #include <sys/cdefs.h>
14 #if defined(LIBM_SCCS) && !defined(lint)
15 __RCSID("$NetBSD: s_fabs.c,v 1.10 2002/05/26 22:01:55 wiz Exp $");
16 #endif
17 
18 /*
19  * fabs(x) returns the absolute value of x.
20  */
21 
22 #include "math.h"
23 #include "math_private.h"
24 
25 double
26 fabs(double x)
27 {
28 	u_int32_t high;
29 	GET_HIGH_WORD(high,x);
30 	SET_HIGH_WORD(x,high&0x7fffffff);
31         return x;
32 }
33