From 4a922c4fe88051c0204d9437ccf84d7bdf6313a7 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 13 Feb 2021 22:08:22 -0800
Subject: [PATCH] fix memory leak in ANN bridge

---
 CHANGELOG.md                              | 1 +
 lib/mingle/nearest_neighbor_graph_ann.cpp | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 635584d50..4662bfb33 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - memory leak in libmingle
 - private inheritance in IncVPSC #1874
 - broken sorting in nearest_neighbor_graph_ann.cpp #1938
+- memory leak in ANN bridge
 
 ## [2.46.0] - 2021-02-13
 
diff --git a/lib/mingle/nearest_neighbor_graph_ann.cpp b/lib/mingle/nearest_neighbor_graph_ann.cpp
index 75d6f2bd3..7d8d32fc8 100644
--- a/lib/mingle/nearest_neighbor_graph_ann.cpp
+++ b/lib/mingle/nearest_neighbor_graph_ann.cpp
@@ -136,7 +136,8 @@ void nearest_neighbor_graph_ann(int nPts, int k, double eps, double *x, int *nz0
   }
     
   *nz0 = nz;
-    
+
+  annDeallocPts(dataPts);
   annClose();									// done with ANN
 
 
-- 
2.49.0