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bitboard.cpp reduce more

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root 2015-01-10 14:04:00 +00:00
parent 85e8fd914c
commit 63136b8c68
1 changed files with 0 additions and 4 deletions
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src/bitboard.cpp
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@ -4,8 +4,6 @@ Bitboard FileBB[FILE_NB];
Bitboard RankBB[RANK_NB]; Bitboard RankBB[RANK_NB];
Bitboard AdjacentFilesBB[FILE_NB]; Bitboard AdjacentFilesBB[FILE_NB];
Bitboard InFrontBB[COLOR_NB][RANK_NB]; Bitboard InFrontBB[COLOR_NB][RANK_NB];
Bitboard ForwardBB[COLOR_NB][SQUARE_NB];
Bitboard PassedPawnMask[COLOR_NB][SQUARE_NB];
Bitboard PawnAttackSpan[COLOR_NB][SQUARE_NB]; Bitboard PawnAttackSpan[COLOR_NB][SQUARE_NB];
/// Bitboards::init() initializes various bitboard tables. It is called at /// Bitboards::init() initializes various bitboard tables. It is called at
@ -28,9 +26,7 @@ void Bitboards::init() {
for (Color c = WHITE; c <= BLACK; ++c) for (Color c = WHITE; c <= BLACK; ++c)
for (Square s = SQ_A1; s <= SQ_H8; ++s) for (Square s = SQ_A1; s <= SQ_H8; ++s)
{ {
ForwardBB[c][s] = InFrontBB[c][rank_of(s)] & FileBB[file_of(s)];
PawnAttackSpan[c][s] = InFrontBB[c][rank_of(s)] & AdjacentFilesBB[file_of(s)]; PawnAttackSpan[c][s] = InFrontBB[c][rank_of(s)] & AdjacentFilesBB[file_of(s)];
PassedPawnMask[c][s] = ForwardBB[c][s] | PawnAttackSpan[c][s];
} }
} }