gcc/realmpfr.h

   1 /* Definitions of floating-point conversion from compiler
   2    internal format to MPFR.
   3    Copyright (C) 2010-2018 Free Software Foundation, Inc.
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it under
   8    the terms of the GNU General Public License as published by the Free
   9    Software Foundation; either version 3, or (at your option) any later
  10    version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15    for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING3.  If not see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_REALGMP_H
  22 #define GCC_REALGMP_H
  23
  24 #include <mpfr.h>
  25 #include <mpc.h>
  26
  27 /* Convert between MPFR and REAL_VALUE_TYPE.  The caller is
  28    responsible for initializing and clearing the MPFR parameter.  */
  29
  30 extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr, tree, mp_rnd_t);
  31 extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr,
  32                             const real_format *, mp_rnd_t);
  33 extern void mpfr_from_real (mpfr_ptr, const REAL_VALUE_TYPE *, mp_rnd_t);
  34
  35 #if (GCC_VERSION >= 3000)
  36   /* For compatibility with mpfr 2.4 and earlier, we want to only use
  37      GMP_RND*.  */
  38   #pragma GCC poison MPFR_RNDN MPFR_RNDZ MPFR_RNDU MPFR_RNDD
  39 #endif
  40
  41 #endif /* ! GCC_REALGMP_H */