view gcc/realmpfr.h @ 16:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents b7f97abdc517
children 84e7813d76e9
line wrap: on
line source

/* Definitions of floating-point conversion from compiler
   internal format to MPFR.
   Copyright (C) 2010-2017 Free Software Foundation, Inc.

   This file is part of GCC.

   GCC is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; either version 3, or (at your option) any later
   version.

   GCC 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 General Public License
   for more details.

   You should have received a copy of the GNU General Public License
   along with GCC; see the file COPYING3.  If not see
   <http://www.gnu.org/licenses/>.  */

#ifndef GCC_REALGMP_H
#define GCC_REALGMP_H

#include <mpfr.h>
#include <mpc.h>

/* Convert between MPFR and REAL_VALUE_TYPE.  The caller is
   responsible for initializing and clearing the MPFR parameter.  */

extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr, tree, mp_rnd_t);
extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr,
			    const real_format *, mp_rnd_t);
extern void mpfr_from_real (mpfr_ptr, const REAL_VALUE_TYPE *, mp_rnd_t);

#if (GCC_VERSION >= 3000)
  /* For compatibility with mpfr 2.4 and earlier, we want to only use
     GMP_RND*.  */
  #pragma GCC poison MPFR_RNDN MPFR_RNDZ MPFR_RNDU MPFR_RNDD
#endif

#endif /* ! GCC_REALGMP_H */