Removes a few Bitboards and functions

[stockfish] / src / position.h

diff --git a/src/position.h b/src/position.h
index 7d4b37719122ed18eec0b94c833e9e45f9e1b37d..dc4c583729970a6e66c917a6e5dc946566db23a3 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -40,7 +40,6 @@ namespace Stockfish {
 struct StateInfo {
 
   // Copied when making a move
-  Key    pawnKey;
   Key    materialKey;
   Value  nonPawnMaterial[COLOR_NB];
   int    castlingRights;
@@ -101,7 +100,6 @@ public:
   template<PieceType Pt> int count(Color c) const;
   template<PieceType Pt> int count() const;
   template<PieceType Pt> Square square(Color c) const;
-  bool is_on_semiopen_file(Color c, Square s) const;
 
   // Castling
   CastlingRights castling_rights(Color c) const;
@@ -130,11 +128,6 @@ public:
   Piece moved_piece(Move m) const;
   Piece captured_piece() const;
 
-  // Piece specific
-  bool pawn_passed(Color c, Square s) const;
-  bool opposite_bishops() const;
-  int  pawns_on_same_color_squares(Color c, Square s) const;
-
   // Doing and undoing moves
   void do_move(Move m, StateInfo& newSt);
   void do_move(Move m, StateInfo& newSt, bool givesCheck);
@@ -150,7 +143,6 @@ public:
   Key key() const;
   Key key_after(Move m) const;
   Key material_key() const;
-  Key pawn_key() const;
 
   // Other properties of the position
   Color side_to_move() const;
@@ -161,7 +153,6 @@ public:
   bool has_game_cycle(int ply) const;
   bool has_repeated() const;
   int rule50_count() const;
-  Score psq_score() const;
   Value psq_eg_stm() const;
   Value non_pawn_material(Color c) const;
   Value non_pawn_material() const;
@@ -259,10 +250,6 @@ inline Square Position::ep_square() const {
   return st->epSquare;
 }
 
-inline bool Position::is_on_semiopen_file(Color c, Square s) const {
-  return !(pieces(c, PAWN) & file_bb(s));
-}
-
 inline bool Position::can_castle(CastlingRights cr) const {
   return st->castlingRights & cr;
 }
@@ -319,14 +306,6 @@ inline Bitboard Position::check_squares(PieceType pt) const {
   return st->checkSquares[pt];
 }
 
-inline bool Position::pawn_passed(Color c, Square s) const {
-  return !(pieces(~c, PAWN) & passed_pawn_span(c, s));
-}
-
-inline int Position::pawns_on_same_color_squares(Color c, Square s) const {
-  return popcount(pieces(c, PAWN) & ((DarkSquares & s) ? DarkSquares : ~DarkSquares));
-}
-
 inline Key Position::key() const {
   return adjust_key50<false>(st->key);
 }
@@ -338,18 +317,10 @@ inline Key Position::adjust_key50(Key k) const
       ? k : k ^ make_key((st->rule50 - (14 - AfterMove)) / 8);
 }
 
-inline Key Position::pawn_key() const {
-  return st->pawnKey;
-}
-
 inline Key Position::material_key() const {
   return st->materialKey;
 }
 
-inline Score Position::psq_score() const {
-  return psq;
-}
-
 inline Value Position::psq_eg_stm() const {
   return (sideToMove == WHITE ? 1 : -1) * eg_value(psq);
 }
@@ -370,12 +341,6 @@ inline int Position::rule50_count() const {
   return st->rule50;
 }
 
-inline bool Position::opposite_bishops() const {
-  return   count<BISHOP>(WHITE) == 1
-        && count<BISHOP>(BLACK) == 1
-        && opposite_colors(square<BISHOP>(WHITE), square<BISHOP>(BLACK));
-}
-
 inline bool Position::is_chess960() const {
   return chess960;
 }