small cleanups

[stockfish] / src / position.h

diff --git a/src/position.h b/src/position.h
index 34a6abc3b5ede3baefe849de93549afc31a852d0..ae624926c51c35c4739df236eb20782f8669aeea 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -98,7 +98,7 @@ public:
   bool is_on_semiopen_file(Color c, Square s) const;
 
   // Castling
-  int castling_rights(Color c) const;
+  CastlingRights castling_rights(Color c) const;
   bool can_castle(CastlingRights cr) const;
   bool castling_impeded(CastlingRights cr) const;
   Square castling_rook_square(CastlingRights cr) const;
@@ -268,7 +268,7 @@ inline bool Position::can_castle(CastlingRights cr) const {
   return st->castlingRights & cr;
 }
 
-inline int Position::castling_rights(Color c) const {
+inline CastlingRights Position::castling_rights(Color c) const {
   return c & CastlingRights(st->castlingRights);
 }
 
@@ -399,8 +399,7 @@ inline Thread* Position::this_thread() const {
 inline void Position::put_piece(Piece pc, Square s) {
 
   board[s] = pc;
-  byTypeBB[ALL_PIECES] |= s;
-  byTypeBB[type_of(pc)] |= s;
+  byTypeBB[ALL_PIECES] |= byTypeBB[type_of(pc)] |= s;
   byColorBB[color_of(pc)] |= s;
   index[s] = pieceCount[pc]++;
   pieceList[pc][index[s]] = s;