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 */
42