From: Wolfgang Bangerth <bangerth@math.tamu.edu>
Date: Sat, 10 Aug 2013 14:00:56 +0000 (+0000)
Subject: Make sure the common case actually works...
X-Git-Tag: v8.1.0~1096
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=423697832c1f919cb13468477a1b14708a57571e;p=dealii.git

Make sure the common case actually works...

git-svn-id: https://svn.dealii.org/trunk@30278 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/source/fe/fe_q_base.cc b/deal.II/source/fe/fe_q_base.cc
index 36491b4237..7e54963284 100644
--- a/deal.II/source/fe/fe_q_base.cc
+++ b/deal.II/source/fe/fe_q_base.cc
@@ -1053,8 +1053,13 @@ face_to_cell_index (const unsigned int face_index,
         // of pictures of how all the faces can look like with the various
         // flips and rotations.
         //
-        // that said, the Q2 case is easy enough to implement
-        Assert (this->dofs_per_line <= 1, ExcNotImplemented());
+        // that said, the Q2 case is easy enough to implement, as is the case
+        // where everything is in standard orientation
+        Assert ((this->dofs_per_line <= 1) ||
+                ((face_orientation == true) &&
+                 (face_flip == false) &&
+                 (face_rotation == false)),
+                ExcNotImplemented());
         adjusted_dof_index_on_line = dof_index_on_line;
         break;
       }
@@ -1079,7 +1084,11 @@ face_to_cell_index (const unsigned int face_index,
       // the same is true here as above for the 3d case -- someone will
       // just have to draw a bunch of pictures. in the meantime,
       // we can implement the Q2 case in which it is simple
-      Assert (this->dofs_per_quad <= 1, ExcNotImplemented());
+      Assert ((this->dofs_per_quad <= 1) ||
+              ((face_orientation == true) &&
+               (face_flip == false) &&
+               (face_rotation == false)),
+              ExcNotImplemented());
       return (this->first_quad_index
               + face * this->dofs_per_quad
               + index);