| /* Copyright (C) 2011-2018 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/>. */ |
| |
| |
| /* |
| * 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 |
