1 /* Copyright (C) 2011-2024 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
24 #include <math_private.h>
25 #include <math-svid-compat.h>
26 #include <libm-alias-double.h>
32 double z
= __ieee754_exp10 (x
);
33 if (__builtin_expect (!isfinite (z
) || z
== 0, 0)
34 && isfinite (x
) && _LIB_VERSION
!= _IEEE_
)
35 /* exp10 overflow (46) if x > 0, underflow (47) if x < 0. */
36 return __kernel_standard (x
, x
, 46 + !!signbit (x
));
40 libm_alias_double (__exp10
, exp10
)
41 # if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)
42 strong_alias (__exp10
, __pow10
)
43 compat_symbol (libm
, __pow10
, pow10
, GLIBC_2_1
);
45 # ifdef NO_LONG_DOUBLE
46 # if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)
47 strong_alias (__exp10l
, __pow10l
)
48 compat_symbol (libm
, __pow10l
, pow10l
, GLIBC_2_1
);