From 591ff3dde49dccfd80ac4446b2e990c207b51526 Mon Sep 17 00:00:00 2001
From: Guido Kanschat <dr.guido.kanschat@gmail.com>
Date: Mon, 24 Jun 2013 13:38:21 +0000
Subject: [PATCH] localize flux sparsity pattern on refinement edges

git-svn-id: https://svn.dealii.org/trunk@29876 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/source/multigrid/mg_tools.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/deal.II/source/multigrid/mg_tools.cc b/deal.II/source/multigrid/mg_tools.cc
index 752b946248..b5e79e3f9e 100644
--- a/deal.II/source/multigrid/mg_tools.cc
+++ b/deal.II/source/multigrid/mg_tools.cc
@@ -654,6 +654,8 @@ namespace MGTools
                                                      endc = dof.end(level);
     for (; cell!=endc; ++cell)
       {
+	if (!cell->is_locally_owned_on_level()) continue;
+	
         cell->get_mg_dof_indices (dofs_on_this_cell);
         // Loop over all interior neighbors
         for (unsigned int face = 0;
@@ -742,7 +744,9 @@ namespace MGTools
 
     for (; cell!=endc; ++cell)
       {
-        cell->get_mg_dof_indices (dofs_on_this_cell);
+	if (!cell->is_locally_owned_on_level()) continue;
+	
+	cell->get_mg_dof_indices (dofs_on_this_cell);
         // make sparsity pattern for this cell
         for (unsigned int i=0; i<total_dofs; ++i)
           for (unsigned int j=0; j<total_dofs; ++j)
@@ -908,6 +912,8 @@ namespace MGTools
 
     for (; cell!=endc; ++cell)
       {
+	if (!cell->is_locally_owned_on_level()) continue;
+	
         cell->get_mg_dof_indices (dofs_on_this_cell);
         // Loop over all interior neighbors
         for (unsigned int face = 0;
-- 
2.39.5