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search(): Move nullValue variable into local scope

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No functional change

Closes #1003
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VoyagerOne 2017-02-14 21:20:37 -08:00 • committed by Joona Kiiski
parent 1e814e0ca0
commit 83fb4547f6
1 changed files with 3 additions and 3 deletions
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4
src/search.cpp
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@ -564,7 +564,7 @@ namespace {
Key posKey; Key posKey;
Move ttMove, move, excludedMove, bestMove; Move ttMove, move, excludedMove, bestMove;
Depth extension, newDepth; Depth extension, newDepth;
Value bestValue, value, ttValue, eval, nullValue; Value bestValue, value, ttValue, eval;
bool ttHit, inCheck, givesCheck, singularExtensionNode, improving; bool ttHit, inCheck, givesCheck, singularExtensionNode, improving;
bool captureOrPromotion, doFullDepthSearch, moveCountPruning; bool captureOrPromotion, doFullDepthSearch, moveCountPruning;
Piece moved_piece; Piece moved_piece;
@ -768,7 +768,7 @@ namespace {
Depth R = ((823 + 67 * depth / ONE_PLY) / 256 + std::min((eval - beta) / PawnValueMg, 3)) * ONE_PLY; Depth R = ((823 + 67 * depth / ONE_PLY) / 256 + std::min((eval - beta) / PawnValueMg, 3)) * ONE_PLY;
pos.do_null_move(st); pos.do_null_move(st);
nullValue = depth-R < ONE_PLY ? -qsearch<NonPV, false>(pos, ss+1, -beta, -beta+1) Value nullValue = depth-R < ONE_PLY ? -qsearch<NonPV, false>(pos, ss+1, -beta, -beta+1)
: - search<NonPV>(pos, ss+1, -beta, -beta+1, depth-R, !cutNode, true); : - search<NonPV>(pos, ss+1, -beta, -beta+1, depth-R, !cutNode, true);
pos.undo_null_move(); pos.undo_null_move();