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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* @(#)w_exp10.c
* Conversion to exp10 by Ulrich Drepper <drepper@cygnus.com>.
/*
* ====================================================
* 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.
* ====================================================
*/
/*
* wrapper exp10(x)
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
static const double
#else
static double
#endif
o_threshold= 3.0825471555991674389672e+02,
u_threshold= -3.2360724533877978485251e+02;
#ifdef __STDC__
double __exp10(double x) /* wrapper exp10 */
#else
double __exp10(x) /* wrapper exp10 */
double x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_exp10(x);
#else
double z;
z = __ieee754_exp10(x);
if(_LIB_VERSION == _IEEE_) return z;
if(__finite(x)) {
if(x>o_threshold)
return __kernel_standard(x,x,46); /* exp10 overflow */
else if(x<u_threshold)
return __kernel_standard(x,x,47); /* exp10 underflow */
}
return z;
#endif
}
weak_alias (__exp10, exp10)
strong_alias (__exp10, __pow10)
weak_alias (__pow10, pow10)
#ifdef NO_LONG_DOUBLE
strong_alias (__exp10, __exp10l)
weak_alias (__exp10, exp10l)
strong_alias (__exp10l, __pow10l)
weak_alias (__pow10l, pow10l)
#endif
|
