xref: /inferno-os/libmath/fdlibm/s_fabs.c (revision 37da2899f40661e3e9631e497da8dc59b971cbd0)
1*37da2899SCharles.Forsyth /* derived from /netlib/fdlibm */
2*37da2899SCharles.Forsyth 
3*37da2899SCharles.Forsyth /* @(#)s_fabs.c 1.3 95/01/18 */
4*37da2899SCharles.Forsyth /*
5*37da2899SCharles.Forsyth  * ====================================================
6*37da2899SCharles.Forsyth  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
7*37da2899SCharles.Forsyth  *
8*37da2899SCharles.Forsyth  * Developed at SunSoft, a Sun Microsystems, Inc. business.
9*37da2899SCharles.Forsyth  * Permission to use, copy, modify, and distribute this
10*37da2899SCharles.Forsyth  * software is freely granted, provided that this notice
11*37da2899SCharles.Forsyth  * is preserved.
12*37da2899SCharles.Forsyth  * ====================================================
13*37da2899SCharles.Forsyth  */
14*37da2899SCharles.Forsyth 
15*37da2899SCharles.Forsyth /*
16*37da2899SCharles.Forsyth  * fabs(x) returns the absolute value of x.
17*37da2899SCharles.Forsyth  */
18*37da2899SCharles.Forsyth 
19*37da2899SCharles.Forsyth #include "fdlibm.h"
20*37da2899SCharles.Forsyth 
fabs(double x)21*37da2899SCharles.Forsyth 	double fabs(double x)
22*37da2899SCharles.Forsyth {
23*37da2899SCharles.Forsyth 	__HI(x) &= 0x7fffffff;
24*37da2899SCharles.Forsyth         return x;
25*37da2899SCharles.Forsyth }
26