From c482887c99c811201957f926c8395b789ab037a2 Mon Sep 17 00:00:00 2001
From: Hrvoje Jasak <h.jasak@wikki.co.uk>
Date: Tue, 6 Jun 2017 18:25:41 +0100
Subject: [PATCH] Add null constructors to crAddressing and crMatrix

---
 src/foam/matrices/crMatrix/crAddressing.C | 13 +++++++++++++
 src/foam/matrices/crMatrix/crAddressing.H |  4 ++++
 src/foam/matrices/crMatrix/crMatrix.C     |  9 +++++++++
 src/foam/matrices/crMatrix/crMatrix.H     |  3 +++
 4 files changed, 29 insertions(+)

diff --git a/src/foam/matrices/crMatrix/crAddressing.C b/src/foam/matrices/crMatrix/crAddressing.C
index f7e2a81d8..ed695724f 100644
--- a/src/foam/matrices/crMatrix/crAddressing.C
+++ b/src/foam/matrices/crMatrix/crAddressing.C
@@ -65,6 +65,19 @@ void Foam::crAddressing::setRowSizes(const labelList& rowSizes)
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
+// Construct null
+Foam::crAddressing::crAddressing()
+:
+    refCount(),
+    nRows_(0),
+    nCols_(0),
+    rowStart_(1),
+    column_(0)
+{
+    rowStart_[0] = 1;
+}
+
+
 // Construct from given size
 Foam::crAddressing::crAddressing
 (
diff --git a/src/foam/matrices/crMatrix/crAddressing.H b/src/foam/matrices/crMatrix/crAddressing.H
index 517e3d57d..1edfbf7e9 100644
--- a/src/foam/matrices/crMatrix/crAddressing.H
+++ b/src/foam/matrices/crMatrix/crAddressing.H
@@ -69,6 +69,7 @@ class crAddressing
         //- Column index array
         labelList column_;
 
+
     // Private Member Functions
 
         //- Set row sizes
@@ -79,6 +80,9 @@ public:
 
     // Constructors
 
+        //- Construct null
+        crAddressing();
+
         //- Construct given size.  Column and coefficients set later
         crAddressing
         (
diff --git a/src/foam/matrices/crMatrix/crMatrix.C b/src/foam/matrices/crMatrix/crMatrix.C
index 942583999..c00efcf07 100644
--- a/src/foam/matrices/crMatrix/crMatrix.C
+++ b/src/foam/matrices/crMatrix/crMatrix.C
@@ -36,6 +36,15 @@ Author
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
+// Construct null
+Foam::crMatrix::crMatrix()
+:
+    refCount(),
+    crAddr_(),
+    coeffs_()
+{}
+
+
 // Construct from addressing
 Foam::crMatrix::crMatrix(const crAddressing& addr)
 :
diff --git a/src/foam/matrices/crMatrix/crMatrix.H b/src/foam/matrices/crMatrix/crMatrix.H
index 449bb5233..d4a4e45fd 100644
--- a/src/foam/matrices/crMatrix/crMatrix.H
+++ b/src/foam/matrices/crMatrix/crMatrix.H
@@ -67,6 +67,9 @@ public:
 
     // Constructors
 
+        //- Construct null
+        crMatrix();
+
         //- Construct from addressing
         crMatrix(const crAddressing& addr);