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s_fabs.c
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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 #if defined(LIBM_SCCS) && !defined(lint)
14 static const char rcsid[] =
15 "$NetBSD: s_fabs.c,v 1.7 1995/05/10 20:47:13 jtc Exp $";
16 #endif
17
18 /*
19 * fabs(x) returns the absolute value of x.
20 */
21
22 #include "math_libm.h"
23 #include "math_private.h"
24
25 libm_hidden_proto(fabs)
26 #ifdef __STDC__
27 double fabs(double x)
28 #else
29 double fabs(x)
30 double x;
31 #endif
32 {
33 u_int32_t high;
34 GET_HIGH_WORD(high, x);
35 SET_HIGH_WORD(x, high & 0x7fffffff);
36 return x;
37 }
38
39 libm_hidden_def(fabs)
GET_HIGH_WORD
#define GET_HIGH_WORD(i, d)
Definition: math_private.h:102
x
EGLSurface EGLint x
Definition: eglext.h:293
SET_HIGH_WORD
#define SET_HIGH_WORD(d, v)
Definition: math_private.h:130
u_int32_t
unsigned int u_int32_t
Definition: math_private.h:29
libm_hidden_def
#define libm_hidden_def(x)
Definition: math_private.h:26
math_libm.h
libm_hidden_proto
#define libm_hidden_proto(x)
Definition: math_private.h:25
math_private.h
fabs
double fabs(double x)
Definition: s_fabs.c:29