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 1.11 2013/11/29 22:16:10 joerg 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 #ifndef __HAVE_LONG_DOUBLE
__strong_alias(fabsl,fabs)26 __strong_alias(fabsl, fabs)
27 #endif
28
29 double
30 fabs(double x)
31 {
32 u_int32_t high;
33 GET_HIGH_WORD(high,x);
34 SET_HIGH_WORD(x,high&0x7fffffff);
35 return x;
36 }
37