/* Define aliases for libm long double functions.

   Copyright (C) 2017-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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/>.  */

#ifndef _LIBM_ALIAS_LDOUBLE_H

#define _LIBM_ALIAS_LDOUBLE_H

#include <bits/floatn.h>

#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128

# define libm_alias_ldouble_other_r_f128(from, to, r)	\

  weak_alias (from ## l ## r, to ## f128 ## r)

#else

# define libm_alias_ldouble_other_r_f128(from, to, r)

#endif

#if __HAVE_FLOAT64X_LONG_DOUBLE

# define libm_alias_ldouble_other_r_f64x(from, to, r)	\

  weak_alias (from ## l ## r, to ## f64x ## r)

#else

# define libm_alias_ldouble_other_r_f64x(from, to, r)

#endif

/* Define _FloatN / _FloatNx aliases for a long double libm function

   that has internal name FROM ## l ## R and public names TO ## suffix

   ## R for each suffix of a supported _FloatN / _FloatNx

   floating-point type with the same format as long double.  */

#define libm_alias_ldouble_other_r(from, to, r)		\

  libm_alias_ldouble_other_r_f128 (from, to, r);	\

  libm_alias_ldouble_other_r_f64x (from, to, r)

/* Likewise, but without the R suffix.  */

#define libm_alias_ldouble_other(from, to)	\

  libm_alias_ldouble_other_r (from, to, )

/* Define aliases for a long double libm function that has internal

   name FROM ## l ## R and public names TO ## suffix ## R for each

   suffix of a supported floating-point type with the same format as

   long double.  This should only be used for functions where such

   public names exist for _FloatN types, not for

   implementation-namespace exported names (where there is one name

   per format, not per type) or for obsolescent functions not provided

   for _FloatN types.  */

#define libm_alias_ldouble_r(from, to, r)	\

  weak_alias (from ## l ## r, to ## l ## r);	\

  libm_alias_ldouble_other_r (from, to, r)

/* Likewise, but without the R suffix.  */

#define libm_alias_ldouble(from, to) libm_alias_ldouble_r (from, to, )

#endif