blob: b37b9cab437a5a0139c43bc8f3b9752c2aa27165 (
plain)
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
|
/* w_expl.c -- long double version of w_exp.c.
*/
/*
* ====================================================
* 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.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: $";
#endif
/*
* wrapper expl(x)
*/
#include <math.h>
#include <math_private.h>
#include <math-svid-compat.h>
#include <libm-alias-ldouble.h>
#if LIBM_SVID_COMPAT
long double __expl(long double x) /* wrapper exp */
{
# ifdef _IEEE_LIBM
return __ieee754_expl(x);
# else
long double z = __ieee754_expl (x);
if (__glibc_unlikely (!isfinite (z) || z == 0)
&& isfinite (x) && _LIB_VERSION != _IEEE_)
return __kernel_standard_l (x, x, 206 + !!signbit (x));
return z;
# endif
}
libm_hidden_def (__expl)
libm_alias_ldouble (__exp, exp)
#endif
|
