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Simplify Declaration on Pawn Move Generation #3669

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Simplify Declaration on Pawn Move Generation #3669

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6 changes: 3 additions & 3 deletions src/movegen.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -52,9 +52,9 @@ namespace {
constexpr Direction UpRight = (Us == WHITE ? NORTH_EAST : SOUTH_WEST);
constexpr Direction UpLeft = (Us == WHITE ? NORTH_WEST : SOUTH_EAST);

const Bitboard emptySquares = Type == QUIETS || Type == QUIET_CHECKS ? target : ~pos.pieces();
const Bitboard enemies = Type == EVASIONS ? pos.checkers()
: Type == CAPTURES ? target : pos.pieces(Them);
const Bitboard emptySquares = ~pos.pieces();
const Bitboard enemies = Type == EVASIONS ? pos.checkers()
: pos.pieces(Them);

Bitboard pawnsOn7 = pos.pieces(Us, PAWN) & TRank7BB;
Bitboard pawnsNotOn7 = pos.pieces(Us, PAWN) & ~TRank7BB;
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