xref: /netbsd/lib/libm/src/s_fabsf.c (revision bf9ec67e)
1 /* s_fabsf.c -- float version of s_fabs.c.
2  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3  */
4 
5 /*
6  * ====================================================
7  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8  *
9  * Developed at SunPro, a Sun Microsystems, Inc. business.
10  * Permission to use, copy, modify, and distribute this
11  * software is freely granted, provided that this notice
12  * is preserved.
13  * ====================================================
14  */
15 
16 #include <sys/cdefs.h>
17 #if defined(LIBM_SCCS) && !defined(lint)
18 __RCSID("$NetBSD: s_fabsf.c,v 1.7 2002/05/26 22:01:55 wiz Exp $");
19 #endif
20 
21 /*
22  * fabsf(x) returns the absolute value of x.
23  */
24 
25 #include "math.h"
26 #include "math_private.h"
27 
28 float
29 fabsf(float x)
30 {
31 	u_int32_t ix;
32 	GET_FLOAT_WORD(ix,x);
33 	SET_FLOAT_WORD(x,ix&0x7fffffff);
34         return x;
35 }
36