1  /* Define aliases for libm _Float128 functions.
       2     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef _LIBM_ALIAS_FLOAT128_H
      20  #define _LIBM_ALIAS_FLOAT128_H
      21  
      22  #include <bits/floatn.h>
      23  
      24  /* Define _FloatN / _FloatNx aliases (other than that for _Float128)
      25     for a _Float128 libm function that has internal name FROM ## f128
      26     ## R and public names TO ## suffix ## R for each suffix of a
      27     supported _FloatN / _FloatNx floating-point type with the same
      28     format as _Float128.  */
      29  #if __HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE
      30  # define libm_alias_float128_other_r(from, to, r)	\
      31    weak_alias (from ## f128 ## r, to ## f64x ## r)
      32  #else
      33  # define libm_alias_float128_other_r(from, to, r)
      34  #endif
      35  
      36  /* Likewise, but without the R suffix.  */
      37  #define libm_alias_float128_other(from, to)	\
      38    libm_alias_float128_other_r (from, to, )
      39  
      40  /* Define aliases for a _Float128 libm function that has internal name
      41     FROM ## f128 ## R and public names TO ## suffix ## R for each
      42     suffix of a supported floating-point type with the same format as
      43     _Float128.  This should only be used for functions where such
      44     public names exist for _FloatN types, not for
      45     implementation-namespace exported names (where there is one name
      46     per format, not per type) or for obsolescent functions not provided
      47     for _FloatN types.  */
      48  #define libm_alias_float128_r(from, to, r)		\
      49    weak_alias (from ## f128 ## r, to ## f128 ## r);	\
      50    libm_alias_float128_other_r (from, to, r)
      51  
      52  /* Likewise, but without the R suffix.  */
      53  #define libm_alias_float128(from, to) libm_alias_float128_r (from, to, )
      54  
      55  #endif