xref: /dragonfly/contrib/gcc-8.0/gcc/realmpfr.h (revision 38fd1498)
1*38fd1498Szrj /* Definitions of floating-point conversion from compiler
2*38fd1498Szrj    internal format to MPFR.
3*38fd1498Szrj    Copyright (C) 2010-2018 Free Software Foundation, Inc.
4*38fd1498Szrj 
5*38fd1498Szrj    This file is part of GCC.
6*38fd1498Szrj 
7*38fd1498Szrj    GCC is free software; you can redistribute it and/or modify it under
8*38fd1498Szrj    the terms of the GNU General Public License as published by the Free
9*38fd1498Szrj    Software Foundation; either version 3, or (at your option) any later
10*38fd1498Szrj    version.
11*38fd1498Szrj 
12*38fd1498Szrj    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13*38fd1498Szrj    WARRANTY; without even the implied warranty of MERCHANTABILITY or
14*38fd1498Szrj    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15*38fd1498Szrj    for more details.
16*38fd1498Szrj 
17*38fd1498Szrj    You should have received a copy of the GNU General Public License
18*38fd1498Szrj    along with GCC; see the file COPYING3.  If not see
19*38fd1498Szrj    <http://www.gnu.org/licenses/>.  */
20*38fd1498Szrj 
21*38fd1498Szrj #ifndef GCC_REALGMP_H
22*38fd1498Szrj #define GCC_REALGMP_H
23*38fd1498Szrj 
24*38fd1498Szrj #include <mpfr.h>
25*38fd1498Szrj #include <mpc.h>
26*38fd1498Szrj 
27*38fd1498Szrj /* Convert between MPFR and REAL_VALUE_TYPE.  The caller is
28*38fd1498Szrj    responsible for initializing and clearing the MPFR parameter.  */
29*38fd1498Szrj 
30*38fd1498Szrj extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr, tree, mp_rnd_t);
31*38fd1498Szrj extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr,
32*38fd1498Szrj 			    const real_format *, mp_rnd_t);
33*38fd1498Szrj extern void mpfr_from_real (mpfr_ptr, const REAL_VALUE_TYPE *, mp_rnd_t);
34*38fd1498Szrj 
35*38fd1498Szrj #if (GCC_VERSION >= 3000)
36*38fd1498Szrj   /* For compatibility with mpfr 2.4 and earlier, we want to only use
37*38fd1498Szrj      GMP_RND*.  */
38*38fd1498Szrj   #pragma GCC poison MPFR_RNDN MPFR_RNDZ MPFR_RNDU MPFR_RNDD
39*38fd1498Szrj #endif
40*38fd1498Szrj 
41*38fd1498Szrj #endif /* ! GCC_REALGMP_H */
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