WebSVN – Games.Chess Giants – Blame – /engine-texel/syzygy/rtb-core.hpp

Rev	Author	Line No.	Line
99	pmbaty	1	/*
		2	Copyright (c) 2011-2013 Ronald de Man
		3	*/
		4
		5	#ifndef RTB_CORE_HPP_
		6	#define RTB_CORE_HPP_
		7
		8	#ifndef _WIN32
		9	#define SEP_CHAR ':'
		10	#define FD int
		11	#define FD_ERR -1
		12	#else
		13	#include <windows.h>
		14	#define SEP_CHAR ';'
		15	#define FD HANDLE
		16	#define FD_ERR INVALID_HANDLE_VALUE
		17	#endif
		18
		19	#include <stdint.h>
		20
		21	#define WDLSUFFIX ".rtbw"
		22	#define DTZSUFFIX ".rtbz"
		23	#define TBPIECES 6
		24
		25	#define WDL_MAGIC 0x5d23e871
		26	#define DTZ_MAGIC 0xa50c66d7
		27
		28	#define TBHASHBITS 11
		29
		30	using ubyte = unsigned char;
		31	using ushort = unsigned short;
		32
		33	struct TBHashEntry;
		34
		35	using base_t = uint64_t;
		36
		37	struct PairsData {
		38	char *indextable;
		39	ushort *sizetable;
		40	ubyte *data;
		41	ushort *offset;
		42	ubyte *symlen;
		43	ubyte *sympat;
		44	int blocksize;
		45	int idxbits;
		46	int min_len;
		47	base_t base[1]; // C++ complains about base[]...
		48	};
		49
		50	struct TBEntry {
		51	char *data;
		52	uint64_t key;
		53	uint64_t mapping;
		54	std::atomic<ubyte> ready;
		55	ubyte num;
		56	ubyte symmetric;
		57	ubyte has_pawns;
		58	}
		59	#ifndef _MSC_VER
		60	__attribute__((__may_alias__)) // Pierre-Marie Baty -- this is not supported by MSVC
		61	#endif // !_MSC_VER
		62	;
		63
		64	struct TBEntry_piece {
		65	char *data;
		66	uint64_t key;
		67	uint64_t mapping;
		68	std::atomic<ubyte> ready;
		69	ubyte num;
		70	ubyte symmetric;
		71	ubyte has_pawns;
		72	ubyte enc_type;
		73	struct PairsData *precomp[2];
		74	int factor[2][TBPIECES];
		75	ubyte pieces[2][TBPIECES];
		76	ubyte norm[2][TBPIECES];
		77	};
		78
		79	struct TBEntry_pawn {
		80	char *data;
		81	uint64_t key;
		82	uint64_t mapping;
		83	std::atomic<ubyte> ready;
		84	ubyte num;
		85	ubyte symmetric;
		86	ubyte has_pawns;
		87	ubyte pawns[2];
		88	struct {
		89	struct PairsData *precomp[2];
		90	int factor[2][TBPIECES];
		91	ubyte pieces[2][TBPIECES];
		92	ubyte norm[2][TBPIECES];
		93	} file[4];
		94	};
		95
		96	struct DTZEntry_piece {
		97	char *data;
		98	uint64_t key;
		99	uint64_t mapping;
		100	std::atomic<ubyte> ready;
		101	ubyte num;
		102	ubyte symmetric;
		103	ubyte has_pawns;
		104	ubyte enc_type;
		105	struct PairsData *precomp;
		106	int factor[TBPIECES];
		107	ubyte pieces[TBPIECES];
		108	ubyte norm[TBPIECES];
		109	ubyte flags; // accurate, mapped, side
		110	ushort map_idx[4];
		111	ubyte *map;
		112	};
		113
		114	struct DTZEntry_pawn {
		115	char *data;
		116	uint64_t key;
		117	uint64_t mapping;
		118	std::atomic<ubyte> ready;
		119	ubyte num;
		120	ubyte symmetric;
		121	ubyte has_pawns;
		122	ubyte pawns[2];
		123	struct {
		124	struct PairsData *precomp;
		125	int factor[TBPIECES];
		126	ubyte pieces[TBPIECES];
		127	ubyte norm[TBPIECES];
		128	} file[4];
		129	ubyte flags[4];
		130	ushort map_idx[4][4];
		131	ubyte *map;
		132	};
		133
		134	struct TBHashEntry {
		135	uint64_t key;
		136	struct TBEntry *ptr;
		137	};
		138
		139	struct DTZTableEntry {
		140	uint64_t key1;
		141	uint64_t key2;
		142	std::atomic<TBEntry*> entry;
		143	};
		144
		145	#endif

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Games.Chess Giants/engine-texel/syzygy/rtb-core.hpp – Rev 99