X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fpawns.h;h=af0370fc41aa76abd70ab2889a6741ca3aed0f7f;hb=HEAD;hp=4bd3e214d1ba98c9e3f8c6d80c190e0c8c24b5b1;hpb=ef6fca98a0b70b82ba701e6969a80cd9daf78705;p=stockfish

diff --git a/src/pawns.h b/src/pawns.h
deleted file mode 100644
index 4bd3e214..00000000
--- a/src/pawns.h
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
-  Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2009 Marco Costalba
-
-  Stockfish is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  Stockfish is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-
-#if !defined(PAWNS_H_INCLUDED)
-#define PAWNS_H_INCLUDED
-
-////
-//// Includes
-////
-
-#include "bitboard.h"
-#include "value.h"
-
-////
-//// Types
-////
-
-/// 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 Position;
-
-class PawnInfo {
-
-  friend class PawnInfoTable;
-
-public:
-  PawnInfo() { clear(); }
-
-  Score 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() 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;
-  int get_king_shelter(const Position& pos, Color c, Square ksq);
-
-private:
-  void clear();
-  int updateShelter(const Position& pos, Color c, Square ksq);
-
-  Key key;
-  Bitboard passedPawns;
-  Bitboard pawnAttacks[2];
-  int16_t mgValue, egValue;
-  int16_t ksStormValue[2], qsStormValue[2];
-  uint8_t halfOpenFiles[2];
-  Square kingSquares[2];
-  uint8_t 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 {
-
-public:
-  PawnInfoTable(unsigned numOfEntries);
-  ~PawnInfoTable();
-  PawnInfo* get_pawn_info(const Position& pos);
-
-private:
-  typedef std::pair<Value, Value> Values;
-
-  template<Color Us>
-  Values evaluate_pawns(const Position& pos, Bitboard ourPawns, Bitboard theirPawns, PawnInfo* pi);
-
-  unsigned size;
-  PawnInfo* entries;
-};
-
-
-////
-//// Inline functions
-////
-
-inline Score PawnInfo::value() const {
-  return make_score(mgValue, egValue);
-}
-
-inline Bitboard PawnInfo::passed_pawns() const {
-  return passedPawns;
-}
-
-inline Bitboard PawnInfo::pawn_attacks(Color c) const {
-  return pawnAttacks[c];
-}
-
-inline Value PawnInfo::kingside_storm_value(Color c) const {
-  return Value(ksStormValue[c]);
-}
-
-inline Value PawnInfo::queenside_storm_value(Color c) const {
-  return Value(qsStormValue[c]);
-}
-
-inline int PawnInfo::file_is_half_open(Color c, File f) const {
-  return (halfOpenFiles[c] & (1 << int(f)));
-}
-
-inline int PawnInfo::has_open_file_to_left(Color c, File f) const {
-  return halfOpenFiles[c] & ((1 << int(f)) - 1);
-}
-
-inline int PawnInfo::has_open_file_to_right(Color c, File f) const {
-  return halfOpenFiles[c] & ~((1 << int(f+1)) - 1);
-}
-
-inline int PawnInfo::get_king_shelter(const Position& pos, Color c, Square ksq) {
-  return (kingSquares[c] == ksq ? kingShelters[c] : updateShelter(pos, c, ksq));
-}
-
-#endif // !defined(PAWNS_H_INCLUDED)