sysdeps/generic/libm-alias-float128.h

   1 /* Define aliases for libm _Float128 functions.
   2    Copyright (C) 2017 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _LIBM_ALIAS_FLOAT128_H
  20 #define _LIBM_ALIAS_FLOAT128_H
  21
  22 /* Define _FloatN / _FloatNx aliases (other than that for _Float128)
  23    for a _Float128 libm function that has internal name FROM ## f128
  24    ## R and public names TO ## suffix ## R for each suffix of a
  25    supported _FloatN / _FloatNx floating-point type with the same
  26    format as _Float128.  */
  27 #define libm_alias_float128_other_r(from, to, r)
  28
  29 /* Likewise, but without the R suffix.  */
  30 #define libm_alias_float128_other(from, to)     \
  31   libm_alias_float128_other_r (from, to, )
  32
  33 /* Define aliases for a _Float128 libm function that has internal name
  34    FROM ## f128 ## R and public names TO ## suffix ## R for each
  35    suffix of a supported floating-point type with the same format as
  36    _Float128.  This should only be used for functions where such
  37    public names exist for _FloatN types, not for
  38    implementation-namespace exported names (where there is one name
  39    per format, not per type) or for obsolescent functions not provided
  40    for _FloatN types.  */
  41 #define libm_alias_float128_r(from, to, r)              \
  42   weak_alias (from ## f128 ## r, to ## f128 ## r)       \
  43   libm_alias_float128_other_r (from, to, r)
  44
  45 /* Likewise, but without the R suffix.  */
  46 #define libm_alias_float128(from, to) libm_alias_float128_r (from, to, )
  47
  48 #endif