6663b6c9
 adorian
projet complet av...
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/* @(#)s_fabs.c 5.1 93/09/24 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
* fabs(x) returns the absolute value of x.
*/
#include <sys/cdefs.h>
#include <float.h>
#include <math.h>
#include "math_private.h"
double
fabs(double x)
{
u_int32_t high;
GET_HIGH_WORD(high,x);
SET_HIGH_WORD(x,high&0x7fffffff);
return x;
}
#if LDBL_MANT_DIG == 53
#ifdef __weak_alias
__weak_alias(fabsl, fabs);
#endif /* __weak_alias */
#endif /* LDBL_MANT_DIG == 53 */
|