Micro-optimize checking local float before calling bool method.

LeelaChessZero · Mar 29, 2019 · 4e92d4d · 4e92d4d
1 parent 5f9c77e
commit 4e92d4d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/mcts/search.cc b/src/mcts/search.cc
@@ -953,13 +953,13 @@ SearchWorker::NodeToProcess SearchWorker::PickNodeToExtend(
       const float Q = child.GetQ(fpu);
       if (!is_root_node) {
         // If at least one move is checkmate, treat this position as loss
-        if (child.IsTerminal() && Q == 1.0f) {
+        if (Q == 1.0f && child.IsTerminal()) {
           node->MakeTerminal(GameResult::BLACK_WON);
           return NodeToProcess::Single(node, depth);
         }
 
         // Can only become win if every move is checkmated
-        should_become_win &= child.IsTerminal() && Q == -1.0f;
+        should_become_win &= Q == -1.0f && child.IsTerminal();
       }
 
       const float score = child.GetU(puct_mult) + Q;