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d49b6e1e SB |
1 | /* Definitions of floating-point conversion from compiler |
2 | internal format to MPFR. | |
aeee4812 | 3 | Copyright (C) 2010-2023 Free Software Foundation, Inc. |
d49b6e1e SB |
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 | ||
d49b6e1e SB |
24 | #include <mpfr.h> |
25 | #include <mpc.h> | |
d49b6e1e | 26 | |
278f8f56 RB |
27 | class auto_mpfr |
28 | { | |
29 | public: | |
30 | auto_mpfr () { mpfr_init (m_mpfr); } | |
31 | explicit auto_mpfr (mpfr_prec_t prec) { mpfr_init2 (m_mpfr, prec); } | |
32 | ~auto_mpfr () { mpfr_clear (m_mpfr); } | |
33 | ||
34 | operator mpfr_t& () { return m_mpfr; } | |
210617b5 | 35 | mpfr_ptr operator-> () { return m_mpfr; } |
278f8f56 RB |
36 | |
37 | auto_mpfr (const auto_mpfr &) = delete; | |
38 | auto_mpfr &operator= (const auto_mpfr &) = delete; | |
39 | ||
195270d2 JJ |
40 | #if GCC_VERSION < 4008 || GCC_VERSION >= 5000 |
41 | /* GCC 4.8 and 4.9 don't support this, only fixed in PR62101 for 5.0. */ | |
278f8f56 RB |
42 | friend void mpfr_clear (auto_mpfr&) = delete; |
43 | friend void mpfr_init (auto_mpfr&) = delete; | |
44 | friend void mpfr_init2 (auto_mpfr&, mpfr_prec_t) = delete; | |
195270d2 | 45 | #endif |
278f8f56 RB |
46 | |
47 | private: | |
48 | mpfr_t m_mpfr; | |
49 | }; | |
50 | ||
d49b6e1e SB |
51 | /* Convert between MPFR and REAL_VALUE_TYPE. The caller is |
52 | responsible for initializing and clearing the MPFR parameter. */ | |
53 | ||
90ca6847 | 54 | extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr, tree, mpfr_rnd_t); |
5c1a2e63 | 55 | extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr, |
90ca6847 TB |
56 | const real_format *, mpfr_rnd_t); |
57 | extern void mpfr_from_real (mpfr_ptr, const REAL_VALUE_TYPE *, mpfr_rnd_t); | |
d49b6e1e | 58 | |
89dc4c94 | 59 | #endif /* ! GCC_REALGMP_H */ |