X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=7e5aa8660c0e150b4a0d8934220a1aa3535d5902;hp=9acb29669e1633fe76159abcf5ea8241f4e3f8c8;hb=d9e54ceaa1fb38cc16f2b9f68ea45eff85b7c0f5;hpb=88bb3c9422191b2e8260eeb4d5186f5b4708520f

diff --git a/src/position.h b/src/position.h
index 9acb2966..7e5aa866 100644
--- a/src/position.h
+++ b/src/position.h
@@ -196,11 +196,9 @@ public:
   Bitboard pawn_attacks(Color c, Square s) const;
   Bitboard white_pawn_attacks(Square s) const;
   Bitboard black_pawn_attacks(Square s) const;
-  Bitboard knight_attacks(Square s) const;
-  Bitboard bishop_attacks(Square s) const;
-  Bitboard rook_attacks(Square s) const;
-  Bitboard queen_attacks(Square s) const;
-  Bitboard king_attacks(Square s) const;
+
+  template<PieceType>
+  Bitboard piece_attacks(Square s) const;
 
   // Bitboards for pinned pieces and discovered check candidates
   Bitboard discovered_check_candidates(Color c) const;
@@ -278,6 +276,7 @@ public:
   Value eg_value() const;
   Value non_pawn_material(Color c) const;
   Phase game_phase() const;
+  Value mg_pst_delta(Move m) const;
 
   // Game termination checks
   bool is_mate();
@@ -297,7 +296,7 @@ public:
   void reset_game_ply();
   
   // Position consistency check, for debugging
-  bool is_ok() const;
+  bool is_ok(int* failedStep = NULL) const;
 
   // Static member functions:
   static void init_zobrist();
@@ -585,23 +584,28 @@ inline Bitboard Position::black_pawn_attacks(Square s) const {
   return pawn_attacks(BLACK, s);
 }
 
-inline Bitboard Position::knight_attacks(Square s) const {
+template<>
+inline Bitboard Position::piece_attacks<KNIGHT>(Square s) const {
   return StepAttackBB[KNIGHT][s];
 }
 
-inline Bitboard Position::rook_attacks(Square s) const {
-  return rook_attacks_bb(s, occupied_squares());
+template<>
+inline Bitboard Position::piece_attacks<BISHOP>(Square s) const {
+  return bishop_attacks_bb(s, occupied_squares());
 }
 
-inline Bitboard Position::bishop_attacks(Square s) const {
-  return bishop_attacks_bb(s, occupied_squares());
+template<>
+inline Bitboard Position::piece_attacks<ROOK>(Square s) const {
+  return rook_attacks_bb(s, occupied_squares());
 }
 
-inline Bitboard Position::queen_attacks(Square s) const {
-  return rook_attacks(s) | bishop_attacks(s);
+template<>
+inline Bitboard Position::piece_attacks<QUEEN>(Square s) const {
+  return piece_attacks<ROOK>(s) | piece_attacks<BISHOP>(s);
 }
 
-inline Bitboard Position::king_attacks(Square s) const {
+template<>
+inline Bitboard Position::piece_attacks<KING>(Square s) const {
   return StepAttackBB[KING][s];
 }
 
@@ -622,23 +626,23 @@ inline bool Position::black_pawn_attacks_square(Square f, Square t) const {
 }
 
 inline bool Position::knight_attacks_square(Square f, Square t) const {
-  return bit_is_set(knight_attacks(f), t);
+  return bit_is_set(piece_attacks<KNIGHT>(f), t);
 }
 
 inline bool Position::bishop_attacks_square(Square f, Square t) const {
-  return bit_is_set(bishop_attacks(f), t);
+  return bit_is_set(piece_attacks<BISHOP>(f), t);
 }
 
 inline bool Position::rook_attacks_square(Square f, Square t) const {
-  return bit_is_set(rook_attacks(f), t);
+  return bit_is_set(piece_attacks<ROOK>(f), t);
 }
 
 inline bool Position::queen_attacks_square(Square f, Square t) const {
-  return bit_is_set(queen_attacks(f), t);
+  return bit_is_set(piece_attacks<QUEEN>(f), t);
 }
 
 inline bool Position::king_attacks_square(Square f, Square t) const {
-  return bit_is_set(king_attacks(f), t);
+  return bit_is_set(piece_attacks<KING>(f), t);
 }
 
 inline bool Position::pawn_is_passed(Color c, Square s) const {
@@ -681,6 +685,11 @@ inline Value Position::mg_pst(Color c, PieceType pt, Square s) const {
   return MgPieceSquareTable[piece_of_color_and_type(c, pt)][s];
 }
 
+inline Value Position::mg_pst_delta(Move m) const {
+  return MgPieceSquareTable[piece_on(move_from(m))][move_to(m)]
+        -MgPieceSquareTable[piece_on(move_from(m))][move_from(m)];
+}
+
 inline Value Position::eg_pst(Color c, PieceType pt, Square s) const {
   return EgPieceSquareTable[piece_of_color_and_type(c, pt)][s];
 }