Avoid constructing an empty tuple in qsearch

[stockfish] / src / bitboard.h

diff --git a/src/bitboard.h b/src/bitboard.h
index e390b01855447186fcc6c991bd04118b9c10be9b..c9f199eee0105c910fa7c9bc539bf113d7e4884f 100644 (file)
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -39,6 +39,7 @@ const std::string pretty(Bitboard b);
 
 }
 
+const Bitboard AllSquares = ~Bitboard(0);
 const Bitboard DarkSquares = 0xAA55AA55AA55AA55ULL;
 
 const Bitboard FileABB = 0x0101010101010101ULL;