libresidfp 1.0.2
siddefs-fp.h
1/*
2 * This file is part of libsidplayfp, a SID player engine.
3 *
4 * Copyright 2011-2026 Leandro Nini <drfiemost@users.sourceforge.net>
5 * Copyright 2007-2010 Antti Lankila
6 * Copyright 1999 Dag Lem <resid@nimrod.no>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 */
22
23#ifndef SIDDEFS_FP_H
24#define SIDDEFS_FP_H
25
26// Check c++ standard
27#if __cplusplus >= 202302L
28# ifndef HAVE_CXX23
29# define HAVE_CXX23
30# endif
31#endif
32
33#if __cplusplus >= 202002L
34# ifndef HAVE_CXX20
35# define HAVE_CXX20
36# endif
37#endif
38
39#if __cplusplus >= 201703L
40# define LIKELY [[ likely ]]
41# define UNLIKELY [[ unlikely ]]
42# define MAYBE_UNUSED [[ maybe_unused ]]
43# ifndef HAVE_CXX17
44# define HAVE_CXX17
45# endif
46#else
47# define LIKELY
48# define UNLIKELY
49# define MAYBE_UNUSED
50#endif
51
52#if __cplusplus >= 201402L
53# ifndef HAVE_CXX14
54# define HAVE_CXX14
55# endif
56#endif
57
58#if __cplusplus >= 201103L
59# define MAKE_UNIQUE(type, ...) std::make_unique<type>(__VA_ARGS__)
60# ifndef HAVE_CXX11
61# define HAVE_CXX11
62# endif
63#else
64# define MAKE_UNIQUE(type, ...) std::unique_ptr<type>(new type(__VA_ARGS__))
65#endif
66
67#if __cplusplus < 201103L
68# error "This is not a C++11 compiler"
69#endif
70
71// Compilation configuration.
72#define RESIDFP_BRANCH_HINTS 1
73
74// Compiler specifics.
75#define HAVE_BUILTIN_EXPECT 1
76
77// Branch prediction macros, lifted off the Linux kernel.
78#if RESIDFP_BRANCH_HINTS && HAVE_BUILTIN_EXPECT
79# define likely(x) __builtin_expect(!!(x), 1)
80# define unlikely(x) __builtin_expect(!!(x), 0)
81#else
82# define likely(x) (x)
83# define unlikely(x) (x)
84#endif
85
86extern "C"
87{
88#ifndef __VERSION_CC__
89extern const char* residfp_version_string;
90#else
91const char* residfp_version_string = "1.0.2";
92#endif
93}
94
95// Inlining on/off.
96#define RESIDFP_INLINING 1
97#define RESIDFP_INLINE inline
98
99#endif // SIDDEFS_FP_H