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
14 static char rcsid[] = "$FreeBSD$";
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
24 double
fabs(double x)25 fabs(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