332 lines
11 KiB
C
332 lines
11 KiB
C
// -----------------------------------------------------------------------------
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// config directives
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#ifndef ENABLE_FASTCALL_LUA
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#define ENABLE_FASTCALL_LUA 1 ///+
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#endif
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#ifndef ENABLE_PROFILER
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#define ENABLE_PROFILER ifdef(debug, 1, 0) ///+
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#endif
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#ifndef ENABLE_SELFIES
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#define ENABLE_SELFIES 0 ///+
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#endif
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#ifndef ENABLE_MEMORY_POISON
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#define ENABLE_MEMORY_POISON ifdef(debug, 1, 0) ///+
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#endif
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#ifndef ENABLE_MEMORY_LEAKS
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#define ENABLE_MEMORY_LEAKS 0 ///+
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#endif
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#ifndef ENABLE_LINUX_CALLSTACKS
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#define ENABLE_LINUX_CALLSTACKS 0 ///+
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#endif
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#ifndef ENABLE_TESTS
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#define ENABLE_TESTS 0 // ifdef(debug, 1, 0) ///+
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#endif
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// -----------------------------------------------------------------------------
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// if/n/def hell
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#define ifdef(macro, yes, /*no*/...) ifdef_##macro(yes, __VA_ARGS__)
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#define ifndef(macro, yes, /*no*/...) ifdef_##macro(__VA_ARGS__, yes)
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#define is(macro) ifdef_##macro(1,0)
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#define isnt(macro) ifdef_##macro(0,1)
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#define ifdef_true(yes, /*no*/...) yes
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#define ifdef_false(yes, /*no*/...) __VA_ARGS__
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#ifdef _MSC_VER
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#define ifdef_gcc ifdef_false
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#define ifdef_mingw ifdef_false
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#define ifdef_tcc ifdef_false
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#define ifdef_cl ifdef_true
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#elif defined __TINYC__
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#define ifdef_gcc ifdef_false
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#define ifdef_mingw ifdef_false
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#define ifdef_tcc ifdef_true
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#define ifdef_cl ifdef_false
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#elif defined __MINGW64__ || defined __MINGW32__
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#define ifdef_gcc ifdef_true
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#define ifdef_mingw ifdef_true
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#define ifdef_tcc ifdef_false
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#define ifdef_cl ifdef_false
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#else // also __clang__
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#define ifdef_gcc ifdef_true
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#define ifdef_mingw ifdef_false
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#define ifdef_tcc ifdef_false
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#define ifdef_cl ifdef_false
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#endif
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#ifdef __cplusplus
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#define ifdef_cpp ifdef_true
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#define ifdef_c ifdef_false
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#else
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#define ifdef_c ifdef_true
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#define ifdef_cpp ifdef_false
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#endif
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#if defined _WIN32
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#define ifdef_win32 ifdef_true
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#define ifdef_linux ifdef_false
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#define ifdef_osx ifdef_false
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#define ifdef_bsd ifdef_false
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#define ifdef_ems ifdef_false
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#elif defined __linux__
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#define ifdef_win32 ifdef_false
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#define ifdef_linux ifdef_true
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#define ifdef_osx ifdef_false
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#define ifdef_bsd ifdef_false
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#define ifdef_ems ifdef_false
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#elif defined __APPLE__
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#define ifdef_win32 ifdef_false
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#define ifdef_linux ifdef_false
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#define ifdef_osx ifdef_true
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#define ifdef_bsd ifdef_false
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#define ifdef_ems ifdef_false
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#elif defined __EMSCRIPTEN__
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#define ifdef_win32 ifdef_false
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#define ifdef_linux ifdef_false
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#define ifdef_osx ifdef_false
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#define ifdef_bsd ifdef_false
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#define ifdef_ems ifdef_true
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#else // __FreeBSD__ || @todo: __ANDROID_API__
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#define ifdef_win32 ifdef_false
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#define ifdef_linux ifdef_false
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#define ifdef_osx ifdef_false
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#define ifdef_bsd ifdef_true
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#define ifdef_ems ifdef_false
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#endif
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#ifdef NDEBUG // rely on NDEBUG as the official/portable way to disable asserts
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#define ifdef_debug ifdef_false
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#define ifdef_release ifdef_true
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#else
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#define ifdef_debug ifdef_true
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#define ifdef_release ifdef_false
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#endif
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#include <stdint.h>
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#if (defined INTPTR_MAX && INTPTR_MAX == INT64_MAX) || defined(_M_X64) || defined(__amd64__) || defined(__x86_64__) || defined(__ppc64__) || __WORDSIZE == 64
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#define ifdef_64 ifdef_true
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#define ifdef_32 ifdef_false
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#else
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#define ifdef_64 ifdef_false
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#define ifdef_32 ifdef_true
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#endif
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// -----------------------------------------------------------------------------
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// new C keywords
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#define countof(x) (int)(sizeof (x) / sizeof 0[x])
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#define concat(a,b) conc4t(a,b)
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#define conc4t(a,b) a##b ///-
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#define macro(name) concat(name, __LINE__)
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#define defer(begin,end) for(int macro(i) = ((begin), 0); !macro(i); macro(i) = ((end), 1))
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#define scope(end) defer((void)0, end)
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#define benchmark for(double macro(i) = 1, macro(t) = -time_ss(); macro(i); macro(t)+=time_ss(), macro(i)=0, printf("%.4fs %2.f%% (" FILELINE ")\n", macro(t), macro(t)*100/0.0166667 ))
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#define do_once static int macro(once) = 0; for(;!macro(once);macro(once)=1)
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#if is(cl)
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#define __thread __declspec(thread)
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#elif is(tcc) && is(win32)
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#define __thread __declspec(thread) // compiles fine apparently, but does not work
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#elif is(tcc)
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#define __thread
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#endif
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// usage: bool static(audio_is_init) = audio_init();
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//#define static(var) static var; do_once var
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//-----------------------------------------------------------------------------
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// new C macros
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#define ASSERT(expr, ...) do { int fool_msvc[] = {0,}; if(!(expr)) { fool_msvc[0]++; breakpoint(va("!Expression failed: " #expr " " FILELINE "\n" __VA_ARGS__)); } } while(0)
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#define ASSERT_ONCE(expr, ...) do { int fool_msvc[] = {0,}; if(!(expr)) { fool_msvc[0]++; static int seen = 0; if(!seen) seen = 1, breakpoint(va("!Expression failed: " #expr " " FILELINE "\n" __VA_ARGS__)); } } while(0)
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#define STATIC_ASSERT(EXPR) typedef struct { unsigned macro(static_assert_on_line_) : !!(EXPR); } macro(static_assert_on_line_)
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#define FILELINE __FILE__ ":" STRINGIZE(__LINE__)
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#define STRINGIZE(x) STRINGIZ3(x)
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#define STRINGIZ3(x) #x ///-
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#define EXPAND(name, ...) EXPAND_QUOTE(EXPAND_JOIN(name, EXPAND_COUNT_ARGS(__VA_ARGS__)), (__VA_ARGS__))
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#define EXPAND_QUOTE(x, y) x y ///-
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#define EXPAND_JOIN(name, count) EXPAND_J0IN(name, count) ///-
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#define EXPAND_J0IN(name, count) EXPAND_J01N(name, count) ///-
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#define EXPAND_J01N(name, count) name##count ///-
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#define EXPAND_COUNT_ARGS(...) EXPAND_ARGS((__VA_ARGS__, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)) ///-
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#define EXPAND_ARGS(args) EXPAND_RETURN_COUNT args ///-
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#define EXPAND_RETURN_COUNT(_1_, _2_, _3_, _4_, _5_, _6_, _7_, _8_, _9_, count, ...) count ///-
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#if is(cl) && !is(cpp)
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#define INLINE __inline
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#else
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#define INLINE inline
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#endif
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#if is(cl)
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#define FORCE_INLINE __forceinline
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#elif is(gcc)
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#define FORCE_INLINE __attribute__((always_inline)) inline
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#else
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#define FORCE_INLINE INLINE
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#endif
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#if is(cl) && (_MSC_VER <= 1700)
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#define FINITE _finite
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#else
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#define FINITE isfinite
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#endif
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// usage: #define vec2(...) C_CAST(vec2, __VA_ARGS__)
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// typedef union vec2 { float X,Y; }; vec2 a = {0,1}, b = vec2(0,1);
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#define C_CAST(type, ...) ( ifdef(c,(type),type) { __VA_ARGS__ } )
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// -----------------------------------------------------------------------------
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// autorun initializers for C
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// - rlyeh, public domain
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//
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// note: based on code by Joe Lowe (public domain).
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// note: XIU for C initializers, XCU for C++ initializers, XTU for C deinitializers
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#ifdef __cplusplus
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#define AUTORUN \
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static void AUTORUN_U(f)(void); \
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static const int AUTORUN_J(AUTORUN_U(f),__1) = (AUTORUN_U(f)(), 1); \
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static void AUTORUN_U(f)(void)
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#elif defined _MSC_VER && !defined(__clang__) // cl, but not clang-cl
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#define AUTORUN \
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static void AUTORUN_U(f)(void); \
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static int AUTORUN_J(AUTORUN_U(f),__1) (){ AUTORUN_U(f)(); return 0; } \
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__pragma(section(".CRT$XIU", long, read)) \
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__declspec(allocate(".CRT$XIU")) \
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static int(* AUTORUN_J(AUTORUN_U(f),__2) )() = AUTORUN_J(AUTORUN_U(f),__1); \
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static void AUTORUN_U(f)(void)
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#else // gcc,tcc,clang,clang-cl...
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#define AUTORUN \
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__attribute__((constructor)) \
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static void AUTORUN_U(f)(void)
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#endif
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// join + unique macro utils
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#define AUTORUN_j(a, b) a##b
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#define AUTORUN_J(a, b) AUTORUN_j(a, b)
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#define AUTORUN_U(x) AUTORUN_J(x, __LINE__)
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#if 0 // autorun demo
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void byebye(void) { puts("seen after main()"); }
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AUTORUN { puts("seen before main()"); }
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AUTORUN { puts("seen before main() too"); atexit( byebye ); }
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#endif
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// -----------------------------------------------------------------------------
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// build info
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#ifndef BUILD_VERSION
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#define BUILD_VERSION ""
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#endif
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// -----------------------------------------------------------------------------
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// visibility
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// win32 users would need to -DAPI=IMPORT/EXPORT as needed when using/building V4K as DLL.
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#define IMPORT ifdef(win32, ifdef(gcc, __attribute__ ((dllimport)), __declspec(dllimport)))
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#define EXPORT ifdef(win32, ifdef(gcc, __attribute__ ((dllexport)), __declspec(dllexport)))
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#define STATIC
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#ifndef API
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#define API STATIC
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#endif
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// -----------------------------------------------------------------------------
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// system headers
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE ///- for linux
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#endif
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#if is(cl) && is(win32) // for VC IDE
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#define _CRT_SECURE_NO_WARNINGS ///-
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#define _CRT_NONSTDC_NO_DEPRECATE ///-
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#define _WINSOCK_DEPRECATED_NO_WARNINGS ///-
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#define _WIN32_WINNT 0x0600 ///- 0x0502 // GetInfoAddrW/FreeAddrInfoW for X86
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#endif
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#if is(cl)
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#include <omp.h> // compile with /openmp to speed up some computations
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#endif
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#include <assert.h>
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//#include <float.h>
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//#include <limits.h>
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#include <math.h> // NAN
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#include <stdarg.h> // va_*(), ...
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#include <stdbool.h> // bool,true,false
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#include <stdint.h> // u/int8/16/32/64_t
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#include <stdio.h> // FILE,NULL
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#include <stdlib.h> // malloc,free,exit,
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#include <string.h> // strlen,memset,memcpy,
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#if is(tcc) && is(win32) && defined(__x86_64)
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#include <tgmath.h>
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// @fixme workarounds on `tcc0.9.27 -m64` (win) for fmod()/trunc() functions. test: 00-easing broken otherwise
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//#define trunc(x) ((double)(int64_t)(x))
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//#define fmod(x,y) ((x) - trunc((x) / (y)) * (y))
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// @fixme workarounds on `tcc0.9.27 -m64` (win) for all functions with ending bool argument. test: 00-anims crashes otherwise
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#undef bool
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typedef char bool;
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// missing libm symbols on tinycc HEAD repo (tcc-x64 pre-0.9.28)
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//#define fabsf fabs
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#define sqrtf sqrt
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#define sinf sin
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#define asinf asin
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#define cosf cos
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#define acosf acos
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#define tanf tan
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#define atan2f atan2
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#define powf pow
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#define floorf floor
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#define logf log
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#define ceilf ceil
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#define copysignf copysign
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//#define ldexpf ldexp
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#define expf exp
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//#define frexpf frexp
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#define fmodf fmod
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#define log10f log10
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//#define logf log
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#define hypotf hypot
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#endif
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// -----------------------------------------------------------------------------
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// pragma libs
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#if is(win32) && (is(cl) || is(tcc))
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#pragma comment(lib, "advapi32")
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#pragma comment(lib, "comdlg32")
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#pragma comment(lib, "dbghelp")
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#pragma comment(lib, "gdi32")
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#pragma comment(lib, "ole32")
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#pragma comment(lib, "shell32")
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#pragma comment(lib, "user32")
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#pragma comment(lib, "winmm")
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#pragma comment(lib, "wininet")
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#pragma comment(lib, "ws2_32")
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#endif
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#if is(linux) && is(tcc)
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#pragma comment(lib, "dl")
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#pragma comment(lib, "m")
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#pragma comment(lib, "pthread")
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#endif
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