Try to keep the query and reference levels equal.

2015-03-12 15:42:45 -04:00
parent 3dc8249ce7
commit 595ae211e2
1 changed files with 3 additions and 1 deletions
@@ -67,7 +67,9 @@ DualTreeTraverser<RuleType>::Traverse(
      numBaseCases += referenceNode.Count();
    }
  }
-  else if ((!queryNode.IsLeaf()) && referenceNode.IsLeaf())
+  else if (((!queryNode.IsLeaf()) && referenceNode.IsLeaf()) ||
+           (queryNode.NumDescendants() > 3 * referenceNode.NumDescendants() &&
+            !queryNode.IsLeaf() && !referenceNode.IsLeaf()))
  {
    // We have to recurse down the query node.  In this case the recursion order
    // does not matter.