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Minor cleanup of search.cpp

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Four very minor edits. Note that tte->save() uses posKey and
not pos.key() in other places.

Originally I also added a futility_move_counts() function to
make things more consistent with the futility_margin() and
reduction() functions. But then razor_margin[] should probably
also be turned into a function, etc. Maybe a good idea, maybe not.
So I did not include it.

Non functional change.
This commit is contained in:
syzygy 2017-11-25 23:20:36 +01:00 • committed by Marco Costalba
parent a87a1005ad
commit 8a5a64eac5
1 changed files with 4 additions and 4 deletions
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8
src/search.cpp
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@ -812,7 +812,7 @@ moves_loop: // When in check search starts from here
movedPiece = pos.moved_piece(move); movedPiece = pos.moved_piece(move);
givesCheck = type_of(move) == NORMAL && !pos.discovered_check_candidates() givesCheck = type_of(move) == NORMAL && !pos.discovered_check_candidates()
? pos.check_squares(type_of(pos.piece_on(from_sq(move)))) & to_sq(move) ? pos.check_squares(type_of(movedPiece)) & to_sq(move)
: pos.gives_check(move); : pos.gives_check(move);
moveCountPruning = depth < 16 * ONE_PLY moveCountPruning = depth < 16 * ONE_PLY
@ -1196,7 +1196,7 @@ moves_loop: // When in check search starts from here
if (bestValue >= beta) if (bestValue >= beta)
{ {
if (!ttHit) if (!ttHit)
tte->save(pos.key(), value_to_tt(bestValue, ss->ply), BOUND_LOWER, tte->save(posKey, value_to_tt(bestValue, ss->ply), BOUND_LOWER,
DEPTH_NONE, MOVE_NONE, ss->staticEval, TT.generation()); DEPTH_NONE, MOVE_NONE, ss->staticEval, TT.generation());
return bestValue; return bestValue;
@ -1220,7 +1220,7 @@ moves_loop: // When in check search starts from here
assert(is_ok(move)); assert(is_ok(move));
givesCheck = type_of(move) == NORMAL && !pos.discovered_check_candidates() givesCheck = type_of(move) == NORMAL && !pos.discovered_check_candidates()
? pos.check_squares(type_of(pos.piece_on(from_sq(move)))) & to_sq(move) ? pos.check_squares(type_of(pos.moved_piece(move))) & to_sq(move)
: pos.gives_check(move); : pos.gives_check(move);
moveCount++; moveCount++;
@ -1375,7 +1375,7 @@ moves_loop: // When in check search starts from here
CapturePieceToHistory& captureHistory = pos.this_thread()->captureHistory; CapturePieceToHistory& captureHistory = pos.this_thread()->captureHistory;
Piece moved_piece = pos.moved_piece(move); Piece moved_piece = pos.moved_piece(move);
PieceType captured = type_of(pos.piece_on(to_sq(move))); PieceType captured = type_of(pos.piece_on(to_sq(move)));
captureHistory.update(moved_piece,to_sq(move), captured, bonus); captureHistory.update(moved_piece, to_sq(move), captured, bonus);
// Decrease all the other played capture moves // Decrease all the other played capture moves
for (int i = 0; i < captureCnt; ++i) for (int i = 0; i < captureCnt; ++i)