Remove "divide by zero" workaround

[stockfish] / src / position.h

diff --git a/src/position.h b/src/position.h
index 8bd70b1643f3d47f6d530b0a091692e63de5dde6..222cd92c9f464a382e40de7093f80f77d675db6e 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -104,9 +104,6 @@ struct StateInfo {
 
 class Position {
 
-  friend class MaterialInfo;
-  friend class EndgameFunctions;
-
   Position(); // No default or copy c'tor allowed
   Position(const Position& pos);
 
@@ -187,6 +184,8 @@ public:
   // Properties of moves
   bool pl_move_is_legal(Move m, Bitboard pinned) const;
   bool pl_move_is_evasion(Move m, Bitboard pinned) const;
+  bool move_is_legal(const Move m) const;
+  bool move_is_legal(const Move m, Bitboard pinned) const;
   bool move_is_check(Move m) const;
   bool move_is_check(Move m, const CheckInfo& ci) const;
   bool move_is_capture(Move m) const;
@@ -231,9 +230,6 @@ public:
   bool is_mate() const;
   bool is_draw() const;
 
-  // Check if side to move could be mated in one
-  bool has_mate_threat();
-
   // Number of plies from starting position
   int startpos_ply_counter() const;
 
@@ -303,7 +299,7 @@ private:
   int castleRightsMask[64];
   StateInfo startState;
   File initialKFile, initialKRFile, initialQRFile;
-  bool isChess960;
+  bool chess960;
   int startPosPlyCounter;
   int threadID;
   int64_t nodes;
@@ -524,7 +520,7 @@ inline bool Position::has_pawn_on_7th(Color c) const {
 }
 
 inline bool Position::is_chess960() const {
-  return isChess960;
+  return chess960;
 }
 
 inline bool Position::move_is_capture(Move m) const {