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
|
/* Copyright (C) 2011-2020 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
<https://www.gnu.org/licenses/>. */
/*
* wrapper exp10(x)
*/
#include <math.h>
#include <math_private.h>
#include <math-svid-compat.h>
#include <libm-alias-double.h>
#if LIBM_SVID_COMPAT
double
__exp10 (double x)
{
double z = __ieee754_exp10 (x);
if (__builtin_expect (!isfinite (z) || z == 0, 0)
&& isfinite (x) && _LIB_VERSION != _IEEE_)
/* exp10 overflow (46) if x > 0, underflow (47) if x < 0. */
return __kernel_standard (x, x, 46 + !!signbit (x));
return z;
}
libm_alias_double (__exp10, exp10)
# if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)
strong_alias (__exp10, __pow10)
compat_symbol (libm, __pow10, pow10, GLIBC_2_1);
# endif
# ifdef NO_LONG_DOUBLE
# if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)
strong_alias (__exp10l, __pow10l)
compat_symbol (libm, __pow10l, pow10l, GLIBC_2_1);
# endif
# endif
#endif
|
