From: kanschat <kanschat@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Sun, 28 Nov 2010 23:20:00 +0000 (+0000)
Subject: add default constructor for MGDoFHandler
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b215cf503109de016aa55278d9e55a95cd28e9a3;p=dealii-svn.git

add default constructor for MGDoFHandler

git-svn-id: https://svn.dealii.org/trunk@22870 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/include/deal.II/multigrid/mg_dof_handler.h b/deal.II/include/deal.II/multigrid/mg_dof_handler.h
index 2f863820ba..f3422762d8 100644
--- a/deal.II/include/deal.II/multigrid/mg_dof_handler.h
+++ b/deal.II/include/deal.II/multigrid/mg_dof_handler.h
@@ -88,6 +88,13 @@ class MGDoFHandler : public DoFHandler<dim,spacedim>
 
     static const unsigned int space_dimension = spacedim;
 
+				     /**
+				      * Default constructor, which
+				      * will require a call to
+				      * initialize() later to set the Triangulation.
+				      */
+    MGDoFHandler ();
+
 				     /**
 				      * Constructor. Take @p tria as
 				      * the triangulation to work on.
@@ -98,7 +105,7 @@ class MGDoFHandler : public DoFHandler<dim,spacedim>
 				      * Destructor
 				      */
     virtual ~MGDoFHandler ();
-
+    
 				     /**
 				      * Go through the triangulation
 				      * and distribute the degrees of
diff --git a/deal.II/source/multigrid/mg_dof_handler.cc b/deal.II/source/multigrid/mg_dof_handler.cc
index a1628dadf1..d69d45da81 100644
--- a/deal.II/source/multigrid/mg_dof_handler.cc
+++ b/deal.II/source/multigrid/mg_dof_handler.cc
@@ -837,6 +837,14 @@ template <int dim, int spacedim>
 const unsigned int MGDoFHandler<dim,spacedim>::dimension;
 
 
+template <int dim, int spacedim>
+MGDoFHandler<dim,spacedim>::MGDoFHandler ()
+		:
+		mg_faces (NULL)
+{}
+
+
+
 template <int dim, int spacedim>
 MGDoFHandler<dim,spacedim>::MGDoFHandler (const Triangulation<dim,spacedim> &tria)
 		:
@@ -851,7 +859,6 @@ MGDoFHandler<dim,spacedim>::MGDoFHandler (const Triangulation<dim,spacedim> &tri
 }
 
 
-
 template <int dim, int spacedim>
 MGDoFHandler<dim,spacedim>::~MGDoFHandler ()
 {
@@ -1967,7 +1974,7 @@ set_dof_index (const unsigned int obj_level,
 template <int dim, int spacedim>
 void MGDoFHandler<dim,spacedim>::distribute_dofs (const FiniteElement<dim,spacedim> &fe,
 					 const unsigned int        offset)
-{
+{  
 				   // first distribute global dofs
   DoFHandler<dim,spacedim>::distribute_dofs (fe);