stdafx.h

// stdafx.h : includefile for standard system include files,
// or project specific include files that are used frequently, but
// are changed infrequently
//

#pragma once

#define _CRT_SECURE_NO_WARNINGS 1

// Macro for evaluating integer macros as strings, such as __LINE__
#define _STRINGIFY(val) #val
#define STRINGIFY(val) _STRINGIFY(val)

// Debug print function; defining as a macro allows for 'no-release-cost' debug tracing
// as the compiler completely omits the trace logic for release builds.
#ifndef DDEBUG
#define DEBUGF(...) fprintf(stderr, __FILE__ ":" STRINGIFY(__LINE__) ": " __VA_ARGS__)
#else
#define DEBUGF(...)
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <stdint.h>
#include <limits.h>
#if defined(_MSC_VER)
#include <Windows.h>
#include <intrin.h>
#undef max
#undef min
#else
#include <stddef.h>
#ifdef __GNUC__
// GNU C supports forcing inline, just via a different syntax.
#define __forceinline inline __attribute__((always_inline))
#else
// Fall back to the standardized inline keyword for unknown dialects
#define __forceinline inline
#endif //__GNUC__
#define _byteswap_ushort(x) __builtin_bswap16((uint16)(x))
#define _byteswap_ulong(x) __builtin_bswap32((uint32)(x))
#define _byteswap_uint64(x) __builtin_bswap64((uint64)(x))
#define _BitScanForward(dst, x) (*(dst) = __builtin_ctz(x))
#define _BitScanReverse(dst, x) (*(dst) = (__builtin_clz(x) ^ 31))

static inline uint32_t _rotl(uint32_t x, int n) {
  return (((x) << (n)) | ((x) >> (32-(n))));
}
#endif

#define ALIGN_16(x) (((x)+15)&~15)
#define COPY_64(d, s) {*(uint64_t*)(d) = *(uint64_t*)(s); }

// Windows has this enabled implicitly (and uses different headers), GNU C compilers generally require passing an additional flag, so check for that first.
#ifdef __AVX__
#include <xmmintrin.h>
#endif

// GNU C doesn't support 'pragma warning'
#ifdef _MSC_VER
#pragma warning (disable: 4244)
#pragma warning (disable: 4530) // c++ exception handler used without unwind semantics
#pragma warning (disable: 4018) // signed/unsigned mismatch
#endif

// Get GCC to stop complaining about unused parameters in stub functions.
#ifdef __GNUC__
#define UNUSED __attribute__((unused))
#elif defined(__cplusplus) && __cplusplus >= 201703L //C++17 attributes
#define UNUSED [[maybe_unused]]
#else //unknown or incompatible method of indicating unused.
#define UNUSED
#endif

// TODO: reference additional headers your program requires here
typedef uint8_t byte;
typedef uint8_t uint8;
typedef uint32_t uint32;
typedef uint64_t uint64;
typedef int64_t int64;
typedef int32_t int32;
typedef uint16_t uint16;
typedef int16_t int16;
typedef unsigned int uint;