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
|
/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <math.h>
#include <math_private.h>
static const long double
o_threshold= 1.135652340629414394949193107797076489134e4,
/* 0x400C, 0xB17217F7, 0xD1CF79AC */
u_threshold= -1.140019167866942050398521670162263001513e4;
/* 0x400C, 0xB220C447, 0x69C201E8 */
/* wrapper expl */
long double
__expl (long double x)
{
if (__builtin_expect (isgreater (x, o_threshold), 0))
{
if (_LIB_VERSION != _IEEE_)
return __kernel_standard (x, x, 206);
}
else if (__builtin_expect (isless (x, u_threshold), 0))
{
if (_LIB_VERSION != _IEEE_)
return __kernel_standard (x, x, 207);
}
return __ieee754_expl (x);
}
hidden_def (__expl)
weak_alias (__expl, expl)
|
