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Remove DistanceRing #2107

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Remove the DistanceRing array. This reduces the
memory footprint by about 4kb.

http://tests.stockfishchess.org/tests/view/5cba35350ebc5925cf020d7f
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 101421 W: 22491 L: 22528 D: 56402

No functional change.
This commit is contained in:
protonspring
2019-04-17 12:38:38 -06:00
committed by Marco Costalba
parent bdeb01dec0
commit a858b5a84e
3 changed files with 8 additions and 9 deletions
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src/bitboard.h
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@@ -69,7 +69,6 @@ extern uint8_t PopCnt16[1 << 16];
extern uint8_t SquareDistance[SQUARE_NB][SQUARE_NB];
extern Bitboard LineBB[SQUARE_NB][SQUARE_NB];
extern Bitboard DistanceRingBB[SQUARE_NB][8];
extern Bitboard PseudoAttacks[PIECE_TYPE_NB][SQUARE_NB];
extern Bitboard PawnAttacks[COLOR_NB][SQUARE_NB];
extern Bitboard KingFlank[FILE_NB];