xref: /inferno-os/libmath/fdlibm/s_fabs.c (revision d0e1d143ef6f03c75c008c7ec648859dd260cbab)
1 /* derived from /netlib/fdlibm */
2 
3 /* @(#)s_fabs.c 1.3 95/01/18 */
4 /*
5  * ====================================================
6  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
7  *
8  * Developed at SunSoft, a Sun Microsystems, Inc. business.
9  * Permission to use, copy, modify, and distribute this
10  * software is freely granted, provided that this notice
11  * is preserved.
12  * ====================================================
13  */
14 
15 /*
16  * fabs(x) returns the absolute value of x.
17  */
18 
19 #include "fdlibm.h"
20 
21 	double fabs(double x)
22 {
23 	__HI(x) &= 0x7fffffff;
24         return x;
25 }
26