-#include "value.h"
-
-////
-//// Types
-////
-
-const int PawnTableSize = 16384;
-
-/// PawnInfo is a class which contains various information about a pawn
-/// structure. Currently, it only includes a middle game and an end game
-/// pawn structure evaluation, and a bitboard of passed pawns. We may want
-/// to add further information in the future. A lookup to the pawn hash table
-/// (performed by calling the get_pawn_info method in a PawnInfoTable object)
-/// returns a pointer to a PawnInfo object.
-class PawnInfo {
-
- friend class PawnInfoTable;
-
-public:
- Score pawns_value() const;
- Value kingside_storm_value(Color c) const;
- Value queenside_storm_value(Color c) const;
- Bitboard pawn_attacks(Color c) const;
- Bitboard passed_pawns(Color c) const;
- int file_is_half_open(Color c, File f) const;
- int has_open_file_to_left(Color c, File f) const;
- int has_open_file_to_right(Color c, File f) const;
-
- template<Color Us>
- Score king_shelter(const Position& pos, Square ksq);
-
-private:
- template<Color Us>
- Score updateShelter(const Position& pos, Square ksq);
-
- Key key;
- Bitboard passedPawns[2];
- Bitboard pawnAttacks[2];
- Square kingSquares[2];
- Score value;
- int ksStormValue[2];
- int qsStormValue[2];
- int halfOpenFiles[2];
- Score kingShelters[2];
-};
-
-/// The PawnInfoTable class represents a pawn hash table. It is basically
-/// just an array of PawnInfo objects and a few methods for accessing these
-/// objects. The most important method is get_pawn_info, which looks up a
-/// position in the table and returns a pointer to a PawnInfo object.
-
-class PawnInfoTable {
-
- enum SideType { KingSide, QueenSide };