From 17ed136e5edde2769f5b34a55c93ede5631def5d Mon Sep 17 00:00:00 2001
From: andy <andy>
Date: Wed, 22 Jan 2014 17:53:45 +0000
Subject: [PATCH] ENH: layer addition/removal - added debug info on deletion of
 addressing

---
 .../layerAdditionRemoval.C                    | 26 ++++++++++++++++---
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/src/dynamicMesh/layerAdditionRemoval/layerAdditionRemoval.C b/src/dynamicMesh/layerAdditionRemoval/layerAdditionRemoval.C
index f99612eed6..a1a8d22846 100644
--- a/src/dynamicMesh/layerAdditionRemoval/layerAdditionRemoval.C
+++ b/src/dynamicMesh/layerAdditionRemoval/layerAdditionRemoval.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -108,9 +108,27 @@ Foam::scalar Foam::layerAdditionRemoval::readOldThickness
 
 void Foam::layerAdditionRemoval::clearAddressing() const
 {
-    // Layer removal data
-    deleteDemandDrivenData(pointsPairingPtr_);
-    deleteDemandDrivenData(facesPairingPtr_);
+    if (pointsPairingPtr_)
+    {
+        if (debug)
+        {
+            Pout<< "layerAdditionRemoval::clearAddressing()" << nl
+                << "    clearing pointsPairingPtr_" << endl;
+        }
+
+        deleteDemandDrivenData(pointsPairingPtr_);
+    }
+
+    if (facesPairingPtr_)
+    {
+        if (debug)
+        {
+            Pout<< "layerAdditionRemoval::clearAddressing()" << nl
+                << "    clearing facesPairingPtr_" << endl;
+        }
+
+        deleteDemandDrivenData(facesPairingPtr_);
+    }
 }