From 7aa2f49ea9ae19132d7af1578620ee4d4ef56d79 Mon Sep 17 00:00:00 2001
From: Ryan Curtin <ryan@ratml.org>
Date: Mon, 18 Nov 2013 18:47:02 +0000
Subject: [PATCH] Remove memory leak (#310).  Thanks to bianjiang for pointing
 this out.

---
 src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp b/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp
index 8fc16b206f..1cc8e75494 100644
--- a/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp
+++ b/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp
@@ -262,6 +262,10 @@ void NeighborSearch<SortPolicy, MetricType, TreeType>::Search(
             oldFromNewReferences[(*neighborPtr)(j, i)];
       }
     }
+
+    // Finished with temporary matrices.
+    delete neighborPtr;
+    delete distancePtr;
   }
   else if (treeOwner && hasQuerySet && singleMode) // Map only references.
   {