droidfish/DroidFish/jni/stockfish/syzygy/tbcore.h
2015-02-01 00:46:09 +00:00

170 lines
3.0 KiB
C

/*
Copyright (c) 2011-2013 Ronald de Man
*/
#ifndef TBCORE_H
#define TBCORE_H
#ifndef _WIN32
#include <pthread.h>
#define SEP_CHAR ':'
#define FD int
#define FD_ERR -1
#else
#include <windows.h>
#define SEP_CHAR ';'
#define FD HANDLE
#define FD_ERR INVALID_HANDLE_VALUE
#endif
#ifndef _WIN32
#define LOCK_T pthread_mutex_t
#define LOCK_INIT(x) pthread_mutex_init(&(x), NULL)
#define LOCK(x) pthread_mutex_lock(&(x))
#define UNLOCK(x) pthread_mutex_unlock(&(x))
#else
#define LOCK_T HANDLE
#define LOCK_INIT(x) do { x = CreateMutex(NULL, FALSE, NULL); } while (0)
#define LOCK(x) WaitForSingleObject(x, INFINITE)
#define UNLOCK(x) ReleaseMutex(x)
#endif
#ifndef _MSC_VER
#define BSWAP32(v) __builtin_bswap32(v)
#define BSWAP64(v) __builtin_bswap64(v)
#else
#define BSWAP32(v) _byteswap_ulong(v)
#define BSWAP64(v) _byteswap_uint64(v)
#endif
#define WDLSUFFIX ".rtbw"
#define DTZSUFFIX ".rtbz"
#define WDLDIR "RTBWDIR"
#define DTZDIR "RTBZDIR"
#define TBPIECES 6
typedef unsigned long long uint64;
typedef unsigned int uint32;
typedef unsigned char ubyte;
typedef unsigned short ushort;
const ubyte WDL_MAGIC[4] = { 0x71, 0xe8, 0x23, 0x5d };
const ubyte DTZ_MAGIC[4] = { 0xd7, 0x66, 0x0c, 0xa5 };
#define TBHASHBITS 10
struct TBHashEntry;
typedef uint64 base_t;
struct PairsData {
char *indextable;
ushort *sizetable;
ubyte *data;
ushort *offset;
ubyte *symlen;
ubyte *sympat;
int blocksize;
int idxbits;
int min_len;
base_t base[1]; // C++ complains about base[]...
};
struct TBEntry {
char *data;
uint64 key;
uint64 mapping;
ubyte ready;
ubyte num;
ubyte symmetric;
ubyte has_pawns;
}
#ifndef _WIN32
__attribute__((__may_alias__))
#endif
;
struct TBEntry_piece {
char *data;
uint64 key;
uint64 mapping;
ubyte ready;
ubyte num;
ubyte symmetric;
ubyte has_pawns;
ubyte enc_type;
struct PairsData *precomp[2];
int factor[2][TBPIECES];
ubyte pieces[2][TBPIECES];
ubyte norm[2][TBPIECES];
};
struct TBEntry_pawn {
char *data;
uint64 key;
uint64 mapping;
ubyte ready;
ubyte num;
ubyte symmetric;
ubyte has_pawns;
ubyte pawns[2];
struct {
struct PairsData *precomp[2];
int factor[2][TBPIECES];
ubyte pieces[2][TBPIECES];
ubyte norm[2][TBPIECES];
} file[4];
};
struct DTZEntry_piece {
char *data;
uint64 key;
uint64 mapping;
ubyte ready;
ubyte num;
ubyte symmetric;
ubyte has_pawns;
ubyte enc_type;
struct PairsData *precomp;
int factor[TBPIECES];
ubyte pieces[TBPIECES];
ubyte norm[TBPIECES];
ubyte flags; // accurate, mapped, side
ushort map_idx[4];
ubyte *map;
};
struct DTZEntry_pawn {
char *data;
uint64 key;
uint64 mapping;
ubyte ready;
ubyte num;
ubyte symmetric;
ubyte has_pawns;
ubyte pawns[2];
struct {
struct PairsData *precomp;
int factor[TBPIECES];
ubyte pieces[TBPIECES];
ubyte norm[TBPIECES];
} file[4];
ubyte flags[4];
ushort map_idx[4][4];
ubyte *map;
};
struct TBHashEntry {
uint64 key;
struct TBEntry *ptr;
};
struct DTZTableEntry {
uint64 key1;
uint64 key2;
struct TBEntry *entry;
};
#endif