From 1a3bde4dbd4bb62c710ca0f71733fb222f163454 Mon Sep 17 00:00:00 2001
From: Timo Heister <timo.heister@gmail.com>
Date: Fri, 15 Nov 2013 21:10:02 +0000
Subject: [PATCH] assert that we have a enough fe components in
 compute_no_normal_flux_constraints

git-svn-id: https://svn.dealii.org/trunk@31675 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/include/deal.II/numerics/vector_tools.templates.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/deal.II/include/deal.II/numerics/vector_tools.templates.h b/deal.II/include/deal.II/numerics/vector_tools.templates.h
index 92670d6ac5..258f83a2c9 100644
--- a/deal.II/include/deal.II/numerics/vector_tools.templates.h
+++ b/deal.II/include/deal.II/numerics/vector_tools.templates.h
@@ -4294,6 +4294,10 @@ namespace VectorTools
                     internal::VectorDoFTuple<dim> vector_dofs;
                     vector_dofs.dof_indices[0] = face_dofs[i];
 
+                    Assert(first_vector_component+dim<=fe.n_components(),
+                        ExcMessage("Error: the finite element has not enough components "
+                            "to define a normal direction."));
+
                     for (unsigned int k=0; k<fe.dofs_per_face; ++k)
                       if ((k != i)
                           &&
-- 
2.39.5