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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
View file

@ -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));

1
src/position.h
View file

@ -221,7 +221,6 @@ public:
// Properties of moves
bool pl_move_is_legal(Move m) const;
bool move_is_check(Move m) const;
bool move_is_check(Move m, Bitboard dcCandidates) const;
bool move_is_capture(Move m) const;
bool move_is_deep_pawn_push(Move m) const;
bool move_is_pawn_push_to_7th(Move m) const;

13
src/search.cpp
View file

@ -996,7 +996,7 @@ namespace {
assert(move_is_ok(move));
bool singleReply = (isCheck && mp.number_of_moves() == 1);
bool moveIsCheck = pos.move_is_check(move, dcCandidates);
bool moveIsCheck = pos.move_is_check(move);
bool moveIsCapture = pos.move_is_capture(move);
movesSearched[moveCount++] = ss[ply].currentMove = move;
@ -1298,7 +1298,7 @@ namespace {
assert(move_is_ok(move));
bool singleReply = (isCheck && mp.number_of_moves() == 1);
bool moveIsCheck = pos.move_is_check(move, dcCandidates);
bool moveIsCheck = pos.move_is_check(move);
bool moveIsCapture = pos.move_is_capture(move);
movesSearched[moveCount++] = ss[ply].currentMove = move;
@ -1489,7 +1489,7 @@ namespace {
&& !isCheck
&& !pvNode
&& !move_promotion(move)
&& !pos.move_is_check(move, dcCandidates)
&& !pos.move_is_check(move)
&& !pos.move_is_passed_pawn_push(move))
{
Value futilityValue = staticValue
@ -1583,8 +1583,9 @@ namespace {
&& (move = sp->mp->get_next_move(sp->lock)) != MOVE_NONE)
{
assert(move_is_ok(move));
assert(pos.discovered_check_candidates(pos.side_to_move()) == sp->dcCandidates);
bool moveIsCheck = pos.move_is_check(move, sp->dcCandidates);
bool moveIsCheck = pos.move_is_check(move);
bool moveIsCapture = pos.move_is_capture(move);
lock_grab(&(sp->lock));
@ -1694,7 +1695,9 @@ namespace {
&& !thread_should_stop(threadID)
&& (move = sp->mp->get_next_move(sp->lock)) != MOVE_NONE)
{
bool moveIsCheck = pos.move_is_check(move, sp->dcCandidates);
assert(pos.discovered_check_candidates(pos.side_to_move()) == sp->dcCandidates);
bool moveIsCheck = pos.move_is_check(move);
bool moveIsCapture = pos.move_is_capture(move);
assert(move_is_ok(move));