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Retire MovePicker::discovered_check_candidates()

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It is now no more needed to know dc candidates
inside MovePicker, so avoid calculating there.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-11-04 14:46:16 +01:00
parent 0855d93de8
commit 94dcac1fee
6 changed files with 12 additions and 23 deletions
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9
src/search.cpp
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@@ -334,7 +334,7 @@ int perft(Position& pos, Depth depth)
{
Move move;
MovePicker mp = MovePicker(pos, MOVE_NONE, depth, H);
Bitboard dcCandidates = mp.discovered_check_candidates();
Bitboard dcCandidates = pos.discovered_check_candidates(pos.side_to_move());
int sum = 0;
// If we are at the last ply we don't need to do and undo
@@ -1110,7 +1110,7 @@ namespace {
bool mateThreat = pos.has_mate_threat(opposite_color(us));
MovePicker mp = MovePicker(pos, ttMove, depth, H, &ss[ply]);
Bitboard dcCandidates = mp.discovered_check_candidates();
Bitboard dcCandidates = pos.discovered_check_candidates(us);
// Loop through all legal moves until no moves remain or a beta cutoff
// occurs.
@@ -1363,7 +1363,8 @@ namespace {
Move move, movesSearched[256];
int moveCount = 0;
Value value, bestValue = -VALUE_INFINITE;
Bitboard dcCandidates = mp.discovered_check_candidates();
Color us = pos.side_to_move();
Bitboard dcCandidates = pos.discovered_check_candidates(us);
Value futilityValue = VALUE_NONE;
bool useFutilityPruning = depth < SelectiveDepth
&& !isCheck;
@@ -1583,8 +1584,8 @@ namespace {
MovePicker mp = MovePicker(pos, ttMove, depth, H);
Move move;
int moveCount = 0;
Bitboard dcCandidates = mp.discovered_check_candidates();
Color us = pos.side_to_move();
Bitboard dcCandidates = pos.discovered_check_candidates(us);
bool enoughMaterial = pos.non_pawn_material(us) > RookValueMidgame;
// Loop through the moves until no moves remain or a beta cutoff