/* 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-double.h>

#if LIBM_SVID_COMPAT

/* wrapper j0 */

double

__j0 (double x)

{

  if (__builtin_expect (isgreater (fabs (x), X_TLOSS), 0)

      && _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_)

    /* j0(|x|>X_TLOSS) */

    return __kernel_standard (x, x, 34);

  return __ieee754_j0 (x);

}

libm_alias_double (__j0, j0)

/* wrapper y0 */

double

__y0 (double x)

{

  if (__builtin_expect (islessequal (x, 0.0) || isgreater (x, X_TLOSS), 0)

      && _LIB_VERSION != _IEEE_)

    {

      if (x < 0.0)

	{

	  /* d = zero/(x-x) */

	  __feraiseexcept (FE_INVALID);

	  return __kernel_standard (x, x, 9);

	}

      else if (x == 0.0)

	{

	  /* d = -one/(x-x) */

	  __feraiseexcept (FE_DIVBYZERO);

	  return __kernel_standard (x, x, 8);

	}

      else if (_LIB_VERSION != _POSIX_)

	/* y0(x>X_TLOSS) */

	return __kernel_standard (x, x, 35);

    }

  return __ieee754_y0 (x);

}

libm_alias_double (__y0, y0)

#endif