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Do not pass pinned argument in Position::move_is_check()

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-02-19 17:01:08 +01:00
parent 734941672e
commit c6630abe0d
3 changed files with 10 additions and 18 deletions
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14
src/position.cpp
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@@ -536,29 +536,19 @@ bool Position::pl_move_is_legal(Move m) const {
}
/// Position::move_is_check() tests whether a pseudo-legal move is a check.
/// There are two versions of this function: One which takes only a move as
/// input, and one which takes a move and a bitboard of discovered check
/// candidates. The latter function is faster, and should always be preferred
/// when a discovered check candidates bitboard has already been computed.
/// Position::move_is_check() tests whether a pseudo-legal move is a check
bool Position::move_is_check(Move m) const {
Bitboard dc = discovered_check_candidates(side_to_move());
return move_is_check(m, dc);
}
bool Position::move_is_check(Move m, Bitboard dcCandidates) const {
assert(is_ok());
assert(move_is_ok(m));
assert(dcCandidates == discovered_check_candidates(side_to_move()));
Color us = side_to_move();
Color them = opposite_color(us);
Square from = move_from(m);
Square to = move_to(m);
Square ksq = king_square(them);
Bitboard dcCandidates = discovered_check_candidates(us);
assert(color_of_piece_on(from) == us);
assert(piece_on(ksq) == piece_of_color_and_type(them, KING));