From 11122b385ef8fd6de57aebe7ef2e7f0c8a040281 Mon Sep 17 00:00:00 2001
From: Hrvoje Jasak <h.jasak@wikki.co.uk>
Date: Fri, 5 Feb 2016 12:34:45 +0000
Subject: [PATCH] Bug fix: memory leak in block AMG

---
 src/foam/meshes/lduMesh/lduPrimitiveMesh.H | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/foam/meshes/lduMesh/lduPrimitiveMesh.H b/src/foam/meshes/lduMesh/lduPrimitiveMesh.H
index 098403d18..f001de9d4 100644
--- a/src/foam/meshes/lduMesh/lduPrimitiveMesh.H
+++ b/src/foam/meshes/lduMesh/lduPrimitiveMesh.H
@@ -25,7 +25,8 @@ Class
     Foam::lduPrimitiveMesh
 
 Description
-    Simplest contrete lduMesh which stores the addressing needed bu lduMatrix.
+    Simplest contrete lduMesh which stores the addressing needed by the
+    lduMatrix.  Addressing is contained locally
 
 \*---------------------------------------------------------------------------*/
 
@@ -115,7 +116,18 @@ public:
     // Destructor
 
         virtual ~lduPrimitiveMesh()
-        {}
+        {
+            // Clear interface pointers: they are not deleted
+            // by the lduInterfacePtrsList (derived from UPtrList)
+            // HJ, 5/Feb/2016
+            forAll (interfaces_, i)
+            {
+                if (interfaces_.set(i))
+                {
+                    delete interfaces_(i);
+                }
+            }
+        }
 
 
     // Member Functions