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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/>. */
- #include <math.h>
- #include "math_private.h"
- #if !defined __NO_LONG_DOUBLE_MATH
- /* wrapper acosl */
- long double
- acoshl (long double x)
- {
- #if defined(__UCLIBC_HAS_FENV__)
- if (__builtin_expect (isless (x, 1.0L), 0) && _LIB_VERSION != _IEEE_)
- /* acosh(x<1) */
- return __kernel_standard_l (x, x, 229);
- #endif
- return (long double) __ieee754_acosh ((double) x);
- }
- #endif
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