X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitboard.cpp;h=7ab798a39f64c6b74a92aa33e4b2822f7ee3b1cf;hp=f76ed31c3c8263cd7cfb87698f658ed6caab8555;hb=ee0371f86e319aa24bc1d32f02d9495eea79aa72;hpb=eaeb63f1d03aa71edf719605a31d121bf086a03d diff --git a/src/bitboard.cpp b/src/bitboard.cpp index f76ed31c..7ab798a3 100644 --- a/src/bitboard.cpp +++ b/src/bitboard.cpp @@ -201,17 +201,15 @@ void Bitboards::init() { PseudoAttacks[QUEEN][s1] = PseudoAttacks[BISHOP][s1] = attacks_bb(s1, 0); PseudoAttacks[QUEEN][s1] |= PseudoAttacks[ ROOK][s1] = attacks_bb< ROOK>(s1, 0); - for (Square s2 = SQ_A1; s2 <= SQ_H8; ++s2) - { - Piece pc = (PseudoAttacks[BISHOP][s1] & s2) ? W_BISHOP : - (PseudoAttacks[ROOK][s1] & s2) ? W_ROOK : NO_PIECE; - - if (pc == NO_PIECE) - continue; + for (Piece pc = W_BISHOP; pc <= W_ROOK; ++pc) + for (Square s2 = SQ_A1; s2 <= SQ_H8; ++s2) + { + if (!(PseudoAttacks[pc][s1] & s2)) + continue; - LineBB[s1][s2] = (attacks_bb(pc, s1, 0) & attacks_bb(pc, s2, 0)) | s1 | s2; - BetweenBB[s1][s2] = attacks_bb(pc, s1, SquareBB[s2]) & attacks_bb(pc, s2, SquareBB[s1]); - } + LineBB[s1][s2] = (attacks_bb(pc, s1, 0) & attacks_bb(pc, s2, 0)) | s1 | s2; + BetweenBB[s1][s2] = attacks_bb(pc, s1, SquareBB[s2]) & attacks_bb(pc, s2, SquareBB[s1]); + } } }