From: Wolfgang Bangerth <bangerth@math.tamu.edu>
Date: Thu, 4 Jun 1998 23:30:09 +0000 (+0000)
Subject: Fix bug.
X-Git-Tag: v8.0.0~22874
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=430ce45547be42475f350ef662be468bdeb487a8;p=dealii.git

Fix bug.


git-svn-id: https://svn.dealii.org/trunk@380 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/deal.II/source/numerics/error_estimator.cc b/deal.II/deal.II/source/numerics/error_estimator.cc
index b8c4177d7c..bbc196654f 100644
--- a/deal.II/deal.II/source/numerics/error_estimator.cc
+++ b/deal.II/deal.II/source/numerics/error_estimator.cc
@@ -78,8 +78,10 @@ void KellyErrorEstimator<dim>::estimate_error (const DoFHandler<dim>    &dof,
 				   // neighbor cells, so using two objects
 				   // gives us a performance gain).
   FEFaceValues<dim> fe_face_values_cell (fe, quadrature,
-					 UpdateFlags(update_gradients  |
-						     update_JxW_values |
+					 UpdateFlags(update_gradients      |
+						     update_JxW_values     |
+						     (neumann_bc.empty() ?
+						      0 : update_q_points) |
 						     update_normal_vectors)); 
   FEFaceValues<dim> fe_face_values_neighbor (fe, quadrature, update_gradients);
   FESubfaceValues<dim> fe_subface_values (fe, quadrature, update_gradients);