/* Define aliases for libm 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_DOUBLE_H

#define _LIBM_ALIAS_DOUBLE_H

#include <bits/floatn.h>

#if __HAVE_FLOAT64 && !__HAVE_DISTINCT_FLOAT64

# define libm_alias_double_other_r_f64(from, to, r)	\

  weak_alias (from ## r, to ## f64 ## r)

#else

# define libm_alias_double_other_r_f64(from, to, r)

#endif

#if __HAVE_FLOAT32X && !__HAVE_DISTINCT_FLOAT32X

# define libm_alias_double_other_r_f32x(from, to, r)	\

  weak_alias (from ## r, to ## f32x ## r)

#else

# define libm_alias_double_other_r_f32x(from, to, r)

#endif

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

   has internal name FROM ## R and public names TO ## suffix ## R for

   each suffix of a supported _FloatN / _FloatNx floating-point type

   with the same format as double.  */

#define libm_alias_double_other_r(from, to, r)	\

  libm_alias_double_other_r_f64 (from, to, r);	\

  libm_alias_double_other_r_f32x (from, to, r)

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

#define libm_alias_double_other(from, to)	\

  libm_alias_double_other_r (from, to, )

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

   FROM ## R and public names TO ## suffix ## R for each suffix of a

   supported floating-point type with the same format as 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   _FloatN types, not for implementation-namespace exported names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.  */

#ifdef NO_LONG_DOUBLE

# define libm_alias_double_r(from, to, r)	\

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

  strong_alias (from ## r, from ## l ## r)	\

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

  libm_alias_double_other_r (from, to, r)

#else

# define libm_alias_double_r(from, to, r)	\

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

  libm_alias_double_other_r (from, to, r)

#endif

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

#define libm_alias_double(from, to) libm_alias_double_r (from, to, )

#endif