sysdeps/ia64/fpu/lgamma-compat.h

   1 /* ABI compatibility for lgamma functions.  ia64 version.
   2    Copyright (C) 2015-2017 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 IA64_LGAMMA_COMPAT_H
  20 #define IA64_LGAMMA_COMPAT_H 1
  21
  22 #include <math/lgamma-compat.h>
  23
  24 #undef LGFUNC
  25 #if USE_AS_COMPAT
  26 # define LGFUNC(FUNC) __ ## FUNC ## _compat
  27 #else
  28 # define LGFUNC(FUNC) __ieee754_ ## FUNC
  29 #endif
  30
  31 #undef CALL_LGAMMA
  32 #define CALL_LGAMMA(TYPE, FUNC, ARG)                            \
  33   ({                                                            \
  34     TYPE lgamma_tmp;                                            \
  35     extern int __signgam, signgam;                              \
  36     lgamma_tmp = FUNC ((ARG), &__signgam, sizeof (__signgam));  \
  37     if (USE_AS_COMPAT)                                          \
  38       signgam = __signgam;                                      \
  39     lgamma_tmp;                                                 \
  40   })
  41
  42 #endif /* lgamma-compat.h.  */