Retire SignedDirectionTable[] and RayBB[]

[stockfish] / src / bitboard.h

diff --git a/src/bitboard.h b/src/bitboard.h
index bff9846c5eb9d730a4a3e5a0ddd6c67e4d2cfc59..b8eb3220a776b026a890d031af7e6db7368fac69 100644 (file)
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -67,7 +67,6 @@ extern Bitboard SetMaskBB[65];
 extern Bitboard ClearMaskBB[65];
 
 extern Bitboard StepAttackBB[16][64];
-extern Bitboard RayBB[64][8];
 extern Bitboard BetweenBB[64][64];
 
 extern Bitboard SquaresInFrontMask[2][64];
@@ -208,14 +207,6 @@ inline Bitboard behind_bb(Color c, Square s) {
 }
 
 
-/// ray_bb() gives a bitboard representing all squares along the ray in a
-/// given direction from a given square.
-
-inline Bitboard ray_bb(Square s, SignedDirection d) {
-  return RayBB[s][d];
-}
-
-
 /// Functions for computing sliding attack bitboards. rook_attacks_bb(),
 /// bishop_attacks_bb() and queen_attacks_bb() all take a square and a
 /// bitboard of occupied squares as input, and return a bitboard representing