Unused code cleanup

[stockfish] / src / bitboard.h

diff --git a/src/bitboard.h b/src/bitboard.h
index bbed91775072632e61bec6bfe4304d6ce1cbe415..244dc034c33d680611e861b469124a8b2e96d3cf 100644 (file)
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -186,16 +186,6 @@ inline Bitboard between_bb(Square s1, Square s2) {
   return BetweenBB[s1][s2];
 }
 
-
-/// forward_ranks_bb() returns a bitboard representing the squares on the ranks in
-/// front of the given one, from the point of view of the given color. For instance,
-/// forward_ranks_bb(BLACK, SQ_D3) will return the 16 squares on ranks 1 and 2.
-
-constexpr Bitboard forward_ranks_bb(Color c, Square s) {
-  return c == WHITE ? ~Rank1BB << 8 * relative_rank(WHITE, s)
-                    : ~Rank8BB >> 8 * relative_rank(BLACK, s);
-}
-
 /// aligned() returns true if the squares s1, s2 and s3 are aligned either on a
 /// straight or on a diagonal line.