realmpfr.h revision 1.8 
1/* Definitions of floating-point conversion from compiler
2   internal format to MPFR.
3   Copyright (C) 2010-2019 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
30extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr, tree, mp_rnd_t);
31extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr,
32			    const real_format *, mp_rnd_t);
33extern 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 */
42