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Default argument for see_ge()

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No functional change.

Closes #1111
This commit is contained in:
Marco Costalba
2017-05-09 13:50:05 +02:00
parent 99d914985f
commit 0c1f119069
6 changed files with 21 additions and 19 deletions
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11
src/search.cpp
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@@ -556,7 +556,7 @@ namespace {
// Step 1. Initialize node
Thread* thisThread = pos.this_thread();
inCheck = pos.checkers();
moveCount = quietCount = ss->moveCount = 0;
moveCount = quietCount = ss->moveCount = 0;
ss->history = 0;
bestValue = -VALUE_INFINITE;
ss->ply = (ss-1)->ply + 1;
@@ -895,7 +895,7 @@ moves_loop: // When in check search starts from here
}
else if ( givesCheck
&& !moveCountPruning
&& pos.see_ge(move, VALUE_ZERO))
&& pos.see_ge(move))
extension = ONE_PLY;
// Calculate new depth for this move
@@ -979,8 +979,8 @@ moves_loop: // When in check search starts from here
// Decrease reduction for moves that escape a capture. Filter out
// castling moves, because they are coded as "king captures rook" and
// hence break make_move().
else if ( type_of(move) == NORMAL
&& !pos.see_ge(make_move(to_sq(move), from_sq(move)), VALUE_ZERO))
else if ( type_of(move) == NORMAL
&& !pos.see_ge(make_move(to_sq(move), from_sq(move))))
r -= 2 * ONE_PLY;
ss->history = cmh[moved_piece][to_sq(move)]
@@ -1116,7 +1116,6 @@ moves_loop: // When in check search starts from here
: inCheck ? mated_in(ss->ply) : DrawValue[pos.side_to_move()];
else if (bestMove)
{
// Quiet best move: update move sorting heuristics
if (!pos.capture_or_promotion(bestMove))
update_stats(pos, ss, bestMove, quietsSearched, quietCount, stat_bonus(depth));
@@ -1290,7 +1289,7 @@ moves_loop: // When in check search starts from here
// Don't search moves with negative SEE values
if ( (!InCheck || evasionPrunable)
&& type_of(move) != PROMOTION
&& !pos.see_ge(move, VALUE_ZERO))
&& !pos.see_ge(move))
continue;
// Speculative prefetch as early as possible