X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fposition.h;h=d470ef908e13a40b2196ece8fa2f1a05b169a01a;hb=3dfda1b28e14d1f3c2422fed5f203e305f58af28;hp=3624e29e723738b63c40b894a70adcb0f622f276;hpb=70a818cbd6784ccfa8503d94bc31dd1dc16dd1ff;p=stockfish

diff --git a/src/position.h b/src/position.h
index 3624e29e..d470ef90 100644
--- a/src/position.h
+++ b/src/position.h
@@ -31,6 +31,7 @@
 
 #include "nnue/nnue_accumulator.h"
 
+namespace Stockfish {
 
 /// StateInfo struct stores information needed to restore a Position object to
 /// its previous state when we retract a move. Whenever a move is made on the
@@ -87,7 +88,7 @@ public:
   // FEN string input/output
   Position& set(const std::string& fenStr, bool isChess960, StateInfo* si, Thread* th);
   Position& set(const std::string& code, Color c, StateInfo* si);
-  const std::string fen() const;
+  std::string fen() const;
 
   // Position representation
   Bitboard pieces(PieceType pt) const;
@@ -127,7 +128,6 @@ public:
   bool capture(Move m) const;
   bool capture_or_promotion(Move m) const;
   bool gives_check(Move m) const;
-  bool advanced_pawn_push(Move m) const;
   Piece moved_piece(Move m) const;
   Piece captured_piece() const;
 
@@ -309,11 +309,6 @@ inline bool Position::pawn_passed(Color c, Square s) const {
   return !(pieces(~c, PAWN) & passed_pawn_span(c, s));
 }
 
-inline bool Position::advanced_pawn_push(Move m) const {
-  return   type_of(moved_piece(m)) == PAWN
-        && relative_rank(sideToMove, to_sq(m)) > RANK_5;
-}
-
 inline int Position::pawns_on_same_color_squares(Color c, Square s) const {
   return popcount(pieces(c, PAWN) & ((DarkSquares & s) ? DarkSquares : ~DarkSquares));
 }
@@ -423,4 +418,6 @@ inline StateInfo* Position::state() const {
   return st;
 }
 
+} // namespace Stockfish
+
 #endif // #ifndef POSITION_H_INCLUDED