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Retire empty_squares()

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Use ~pos.occupied_squares() instead and avoid to
hide the ~ computation.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-02-19 11:44:45 +01:00
parent ec5b9994b5
commit 4aadd1e401
2 changed files with 8 additions and 13 deletions
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9
src/position.h
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@@ -108,7 +108,6 @@ public:
Color side_to_move() const;
// Bitboard representation of the position
Bitboard empty_squares() const;
Bitboard occupied_squares() const;
Bitboard pieces(Color c) const;
Bitboard pieces(PieceType pt) const;
@@ -291,10 +290,6 @@ inline Bitboard Position::occupied_squares() const {
return occupied;
}
inline Bitboard Position::empty_squares() const {
return ~occupied;
}
inline Bitboard Position::pieces(Color c) const {
return byColorBB[c];
}
@@ -356,11 +351,11 @@ inline Bitboard Position::attacks_from<PAWN>(Square s, Color c) const {
}
inline Bitboard Position::attacks_from(Piece p, Square s) const {
return attacks_from(p, s, occupied_squares());
return attacks_from(p, s, occupied);
}
inline Bitboard Position::attackers_to(Square s) const {
return attackers_to(s, occupied_squares());
return attackers_to(s, occupied);
}
inline Bitboard Position::checkers() const {