/// | only in 64-bit mode. For compiling requires hardware with
/// | popcnt support.
+#include <cctype>
#include <climits>
#include <cstdlib>
return f.score < s.score;
}
-enum CastleRight {
+enum CastleRight { // Defined as in PolyGlot book hash key
CASTLES_NONE = 0,
WHITE_OO = 1,
- BLACK_OO = 2,
- WHITE_OOO = 4,
+ WHITE_OOO = 2,
+ BLACK_OO = 4,
BLACK_OOO = 8,
ALL_CASTLES = 15
};
#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];
}
inline CastleRight make_castle_right(Color c, CastlingSide s) {
- return CastleRight((s == KING_SIDE ? WHITE_OO : WHITE_OOO) << c);
+ return CastleRight(WHITE_OO << ((s == QUEEN_SIDE) + 2 * c));
}
inline PieceType type_of(Piece p) {