From f1fcfd4827749433390ed010ea9356f7eee5ad31 Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Tue, 30 Oct 2012 13:32:41 +0000
Subject: [PATCH] Fix a problem where DoFTools::make_flux_sparsity_pattern
 wasn't prepared to deal with adaptively refined meshes in 1d.

git-svn-id: https://svn.dealii.org/trunk@27236 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/doc/news/changes.h       | 6 +++++-
 deal.II/source/dofs/dof_tools.cc | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/deal.II/doc/news/changes.h b/deal.II/doc/news/changes.h
index a7517ce660..94f3c94277 100644
--- a/deal.II/doc/news/changes.h
+++ b/deal.II/doc/news/changes.h
@@ -108,6 +108,11 @@ never working correctly and it is not used.
 
 
 <ol>
+<li> Fixed: DoFTools::make_flux_sparsity_pattern wasn't prepared to
+deal with adaptively refined meshes in 1d.
+<br>
+(Wolfgang Bangerth, 2012/10/30)
+
 <li> New: Added PETScWrappers::PreconditionParaSails and
 PETScWrappers::PreconditionNone. PETScWrappers::PreconditionParaSails
 implements the interface to use the ParaSails sparse approximate
@@ -116,7 +121,6 @@ parallel distributed computations and can handle nonsymmetric
 and also indefinite problems. PETScWrappers::PreconditionNone
 implements non-preconditioning in PETSc which can be of use
 together with the PETScWrappers::MatrixFree class.
-
 <br>
 (Martin Steigemann, 2012/10/26)
 
diff --git a/deal.II/source/dofs/dof_tools.cc b/deal.II/source/dofs/dof_tools.cc
index a955d6d26b..4a8de7df18 100644
--- a/deal.II/source/dofs/dof_tools.cc
+++ b/deal.II/source/dofs/dof_tools.cc
@@ -581,7 +581,7 @@ namespace DoFTools
                 {
                   typename DH::cell_iterator neighbor = cell->neighbor(face);
 
-                  if (cell_face->has_children())
+                  if (neighbor->has_children())
                     {
                       for (unsigned int sub_nr = 0;
                            sub_nr != cell_face->number_of_children();
-- 
2.39.5