Add a see() function that take only destination square

[stockfish] / src / bitboard.h

diff --git a/src/bitboard.h b/src/bitboard.h
index bc1900196d45cbc0c901158506096460195b426d..b193786cb8e28eae2096cbcb9095b14dd006cf5c 100644 (file)
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -8,6 +8,7 @@
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
+
   Stockfish is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -112,8 +113,8 @@ extern const Bitboard RankBB[8];
 extern const Bitboard RelativeRankBB[2][8];
 extern const Bitboard InFrontBB[2][8];
 
-extern Bitboard SetMaskBB[64];
-extern Bitboard ClearMaskBB[64];
+extern Bitboard SetMaskBB[65];
+extern Bitboard ClearMaskBB[65];
 
 extern Bitboard StepAttackBB[16][64];
 extern Bitboard RayBB[64][8];
@@ -150,26 +151,16 @@ extern Bitboard QueenPseudoAttacks[64];
 /// Functions for testing whether a given bit is set in a bitboard, and for
 /// setting and clearing bits.
 
-inline Bitboard set_mask_bb(Square s) {
-  //  return 1ULL << s;
-  return SetMaskBB[s];
-}
-
-inline Bitboard clear_mask_bb(Square s) {
-  //  return ~set_mask_bb(s);
-  return ClearMaskBB[s];
-}
-
 inline Bitboard bit_is_set(Bitboard b, Square s) {
-  return b & set_mask_bb(s);
+  return b & SetMaskBB[s];
 }
 
 inline void set_bit(Bitboard *b, Square s) {
-  *b |= set_mask_bb(s);
+  *b |= SetMaskBB[s];
 }
 
 inline void clear_bit(Bitboard *b, Square s) {
-  *b &= clear_mask_bb(s);
+  *b &= ClearMaskBB[s];
 }