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Code Issues Releases Wiki Activity

Retire move_is_capture_or_promotion()

Browse source 
No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2011-05-17 23:39:14 +01:00
parent 85d1f9c5ec
commit a2e924039b
3 changed files with 7 additions and 12 deletions
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2
src/movepick.cpp
View file

@ -110,7 +110,7 @@ MovePicker::MovePicker(const Position& p, Move ttm, Depth d, const History& h)
// Skip TT move if is not a capture or a promotion, this avoids
// qsearch tree explosion due to a possible perpetual check or
// similar rare cases when TT table is full.
if (ttm != MOVE_NONE && !pos.move_is_capture_or_promotion(ttm))
if (ttm != MOVE_NONE && !pos.move_is_capture(ttm) && !move_is_promotion(ttm))
searchTT = ttMoves[0].move = MOVE_NONE;
}

7
src/position.h
View file

@ -191,7 +191,6 @@ public:
bool move_gives_check(Move m) const;
bool move_gives_check(Move m, const CheckInfo& ci) const;
bool move_is_capture(Move m) const;
bool move_is_capture_or_promotion(Move m) const;
bool move_is_passed_pawn_push(Move m) const;
bool move_attacks_square(Move m, Square s) const;
@ -530,12 +529,6 @@ inline bool Position::move_is_capture(Move m) const {
return !square_is_empty(move_to(m)) || move_is_ep(m);
}
inline bool Position::move_is_capture_or_promotion(Move m) const {
assert (m != MOVE_NONE && m != MOVE_NULL);
return move_is_capture(m) || move_is_promotion(m);
}
inline PieceType Position::captured_piece_type() const {
return st->capturedType;
}

10
src/search.cpp
View file

@ -937,7 +937,7 @@ split_point_start: // At split points actual search starts from here
// At Root and at first iteration do a PV search on all the moves to score root moves
isPvMove = (PvNode && moveCount <= (Root ? depth <= ONE_PLY ? 1000 : MultiPV : 1));
givesCheck = pos.move_gives_check(move, ci);
captureOrPromotion = pos.move_is_capture_or_promotion(move);
captureOrPromotion = pos.move_is_capture(move) || move_is_promotion(move);
// Step 11. Decide the new search depth
ext = extension<PvNode>(pos, move, captureOrPromotion, givesCheck, &dangerous);
@ -1215,7 +1215,8 @@ split_point_start: // At split points actual search starts from here
// Update killers and history only for non capture moves that fails high
if ( bestValue >= beta
&& !pos.move_is_capture_or_promotion(move))
&& !pos.move_is_capture(move)
&& !move_is_promotion(move))
{
if (move != ss->killers[0])
{
@ -1383,7 +1384,8 @@ split_point_start: // At split points actual search starts from here
&& !inCheck
&& givesCheck
&& move != ttMove
&& !pos.move_is_capture_or_promotion(move)
&& !pos.move_is_capture(move)
&& !move_is_promotion(move)
&& ss->eval + PawnValueMidgame / 4 < beta
&& !check_is_dangerous(pos, move, futilityBase, beta, &bestValue))
{
@ -1626,7 +1628,7 @@ split_point_start: // At split points actual search starts from here
assert(move_is_ok(m));
assert(threat && move_is_ok(threat));
assert(!pos.move_gives_check(m));
assert(!pos.move_is_capture_or_promotion(m));
assert(!pos.move_is_capture(m) && !move_is_promotion(m));
assert(!pos.move_is_passed_pawn_push(m));
Square mfrom, mto, tfrom, tto;