/// | only in 64-bit mode. For compiling requires hardware with
/// | popcnt support.
+#include <cctype>
#include <climits>
#include <cstdlib>
# define FORCE_INLINE inline
#endif
-#if defined(__GNUC__)
-# define THREAD_LOCAL __thread
-#else
-# define THREAD_LOCAL __declspec(thread)
-#endif
-
#if defined(USE_POPCNT)
const bool HasPopCnt = true;
#else
typedef uint64_t Key;
typedef uint64_t Bitboard;
-const int MAX_MOVES = 256;
-const int MAX_PLY = 256;
+const int MAX_MOVES = 192;
+const int MAX_PLY = 100;
const int MAX_PLY_PLUS_2 = MAX_PLY + 2;
const Bitboard FileABB = 0x0101010101010101ULL;
ALL_CASTLES = 15
};
+enum CastlingSide {
+ KING_SIDE,
+ QUEEN_SIDE
+};
+
enum ScaleFactor {
SCALE_FACTOR_DRAW = 0,
SCALE_FACTOR_NORMAL = 64,
#undef ENABLE_OPERATORS_ON
#undef ENABLE_SAFE_OPERATORS_ON
-const Value PawnValueMidgame = Value(0x0C6);
-const Value PawnValueEndgame = Value(0x102);
-const Value KnightValueMidgame = Value(0x331);
-const Value KnightValueEndgame = Value(0x34E);
-const Value BishopValueMidgame = Value(0x344);
-const Value BishopValueEndgame = Value(0x359);
-const Value RookValueMidgame = Value(0x4F6);
-const Value RookValueEndgame = Value(0x4FE);
-const Value QueenValueMidgame = Value(0x9D9);
-const Value QueenValueEndgame = Value(0x9FE);
+const Value PawnValueMidgame = Value(198);
+const Value PawnValueEndgame = Value(258);
+const Value KnightValueMidgame = Value(817);
+const Value KnightValueEndgame = Value(846);
+const Value BishopValueMidgame = Value(836);
+const Value BishopValueEndgame = Value(857);
+const Value RookValueMidgame = Value(1270);
+const Value RookValueEndgame = Value(1278);
+const Value QueenValueMidgame = Value(2521);
+const Value QueenValueEndgame = Value(2558);
extern const Value PieceValueMidgame[17]; // Indexed by Piece or PieceType
extern const Value PieceValueEndgame[17];
extern int SquareDistance[64][64];
-extern uint8_t BitCount8Bit[256];
inline Color operator~(Color c) {
return Color(c ^ 1);
return Piece((c << 3) | pt);
}
+inline CastleRight make_castle_right(Color c, CastlingSide s) {
+ return CastleRight((s == KING_SIDE ? WHITE_OO : WHITE_OOO) << c);
+}
+
inline PieceType type_of(Piece p) {
return PieceType(p & 7);
}