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- /* Copyright (C) 2011-2016 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"
- double
- exp10 (double x)
- {
- #if defined(__UCLIBC_HAS_FENV__)
- 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;
- #else
- return __ieee754_exp10 (x);
- #endif
- }
- libm_hidden_def(exp10)
- strong_alias (exp10, pow10)
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