mirror of
https://github.com/peterosterlund2/droidfish.git
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170 lines
3.0 KiB
C
170 lines
3.0 KiB
C
/*
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Copyright (c) 2011-2013 Ronald de Man
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*/
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#ifndef TBCORE_H
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#define TBCORE_H
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#ifndef _WIN32
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#include <pthread.h>
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#define SEP_CHAR ':'
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#define FD int
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#define FD_ERR -1
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#else
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#include <windows.h>
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#define SEP_CHAR ';'
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#define FD HANDLE
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#define FD_ERR INVALID_HANDLE_VALUE
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#endif
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#ifndef _WIN32
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#define LOCK_T pthread_mutex_t
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#define LOCK_INIT(x) pthread_mutex_init(&(x), NULL)
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#define LOCK(x) pthread_mutex_lock(&(x))
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#define UNLOCK(x) pthread_mutex_unlock(&(x))
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#else
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#define LOCK_T HANDLE
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#define LOCK_INIT(x) do { x = CreateMutex(NULL, FALSE, NULL); } while (0)
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#define LOCK(x) WaitForSingleObject(x, INFINITE)
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#define UNLOCK(x) ReleaseMutex(x)
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#endif
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#ifndef _MSC_VER
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#define BSWAP32(v) __builtin_bswap32(v)
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#define BSWAP64(v) __builtin_bswap64(v)
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#else
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#define BSWAP32(v) _byteswap_ulong(v)
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#define BSWAP64(v) _byteswap_uint64(v)
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#endif
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#define WDLSUFFIX ".rtbw"
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#define DTZSUFFIX ".rtbz"
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#define WDLDIR "RTBWDIR"
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#define DTZDIR "RTBZDIR"
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#define TBPIECES 6
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typedef unsigned long long uint64;
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typedef unsigned int uint32;
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typedef unsigned char ubyte;
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typedef unsigned short ushort;
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const ubyte WDL_MAGIC[4] = { 0x71, 0xe8, 0x23, 0x5d };
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const ubyte DTZ_MAGIC[4] = { 0xd7, 0x66, 0x0c, 0xa5 };
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#define TBHASHBITS 10
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struct TBHashEntry;
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typedef uint64 base_t;
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struct PairsData {
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char *indextable;
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ushort *sizetable;
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ubyte *data;
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ushort *offset;
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ubyte *symlen;
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ubyte *sympat;
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int blocksize;
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int idxbits;
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int min_len;
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base_t base[1]; // C++ complains about base[]...
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};
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struct TBEntry {
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char *data;
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uint64 key;
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uint64 mapping;
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ubyte ready;
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ubyte num;
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ubyte symmetric;
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ubyte has_pawns;
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}
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#ifndef _WIN32
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__attribute__((__may_alias__))
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#endif
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;
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struct TBEntry_piece {
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char *data;
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uint64 key;
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uint64 mapping;
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ubyte ready;
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ubyte num;
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ubyte symmetric;
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ubyte has_pawns;
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ubyte enc_type;
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struct PairsData *precomp[2];
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int factor[2][TBPIECES];
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ubyte pieces[2][TBPIECES];
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ubyte norm[2][TBPIECES];
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};
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struct TBEntry_pawn {
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char *data;
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uint64 key;
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uint64 mapping;
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ubyte ready;
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ubyte num;
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ubyte symmetric;
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ubyte has_pawns;
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ubyte pawns[2];
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struct {
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struct PairsData *precomp[2];
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int factor[2][TBPIECES];
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ubyte pieces[2][TBPIECES];
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ubyte norm[2][TBPIECES];
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} file[4];
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};
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struct DTZEntry_piece {
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char *data;
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uint64 key;
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uint64 mapping;
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ubyte ready;
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ubyte num;
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ubyte symmetric;
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ubyte has_pawns;
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ubyte enc_type;
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struct PairsData *precomp;
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int factor[TBPIECES];
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ubyte pieces[TBPIECES];
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ubyte norm[TBPIECES];
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ubyte flags; // accurate, mapped, side
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ushort map_idx[4];
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ubyte *map;
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};
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struct DTZEntry_pawn {
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char *data;
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uint64 key;
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uint64 mapping;
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ubyte ready;
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ubyte num;
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ubyte symmetric;
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ubyte has_pawns;
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ubyte pawns[2];
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struct {
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struct PairsData *precomp;
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int factor[TBPIECES];
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ubyte pieces[TBPIECES];
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ubyte norm[TBPIECES];
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} file[4];
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ubyte flags[4];
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ushort map_idx[4][4];
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ubyte *map;
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};
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struct TBHashEntry {
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uint64 key;
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struct TBEntry *ptr;
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};
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struct DTZTableEntry {
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uint64 key1;
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uint64 key2;
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struct TBEntry *entry;
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};
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#endif
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