/* 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/>.  */

#include <fenv.h>

#include <math.h>

#include <math_private.h>

#include <math-svid-compat.h>

#include <libm-alias-ldouble.h>

#if LIBM_SVID_COMPAT

/* wrapper acosl */

long double

__acosl (long double x)

{

  if (__builtin_expect (isgreater (fabsl (x), 1.0L), 0)

      && _LIB_VERSION != _IEEE_)

    {

      /* acos(|x|>1) */

      feraiseexcept (FE_INVALID);

      return __kernel_standard_l (x, x, 201);

    }

  return __ieee754_acosl (x);

}

libm_alias_ldouble (__acos, acos)

#endif