/* Define aliases for libm float 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_FLOAT_H

#define _LIBM_ALIAS_FLOAT_H

#include <bits/floatn.h>

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

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

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

   type with the same format as float.  */

#if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32

# define libm_alias_float_other_r(from, to, r)	\

  weak_alias (from ## f ## r, to ## f32 ## r)

#else

# define libm_alias_float_other_r(from, to, r)

#endif

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

#define libm_alias_float_other(from, to)	\

  libm_alias_float_other_r (from, to, )

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

   FROM ## f ## R and public names TO ## suffix ## R for each suffix

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

   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   exist for _FloatN types, not for implementation-namespace exported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_float_r(from, to, r)		\

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

  libm_alias_float_other_r (from, to, r)

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

#define libm_alias_float(from, to) libm_alias_float_r (from, to, )

#endif