#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
// 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;
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;
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));
}
return st;
}
+} // namespace Stockfish
+
#endif // #ifndef POSITION_H_INCLUDED