From: Peter Munch <peterrmuench@gmail.com>
Date: Thu, 4 Mar 2021 15:32:41 +0000 (+0100)
Subject: Fix tangential vector of wedge
X-Git-Tag: v9.3.0-rc1~375^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9bfc7706cb60600129e469505c086432688356ec;p=dealii.git

Fix tangential vector of wedge
---

diff --git a/include/deal.II/grid/reference_cell.h b/include/deal.II/grid/reference_cell.h
index c2a2a563ba..0c45adc3be 100644
--- a/include/deal.II/grid/reference_cell.h
+++ b/include/deal.II/grid/reference_cell.h
@@ -1672,11 +1672,11 @@ ReferenceCell::unit_tangential_vectors(const unsigned int face_no,
       AssertIndexRange(face_no, 5);
       static const ndarray<Tensor<1, dim>, 5, 2> table = {
         {{{Point<dim>(0, 1, 0), Point<dim>(1, 0, 0)}},
+         {{Point<dim>(1, 0, 0), Point<dim>(0, 1, 0)}},
          {{Point<dim>(1, 0, 0), Point<dim>(0, 0, 1)}},
          {{Point<dim>(-1 / std::sqrt(2.0), +1 / std::sqrt(2.0), 0),
            Point<dim>(0, 0, 1)}},
-         {{Point<dim>(0, 0, 1), Point<dim>(0, 1, 0)}},
-         {{Point<dim>(1, 0, 0), Point<dim>(0, 0, 1)}}}};
+         {{Point<dim>(0, 0, 1), Point<dim>(0, 1, 0)}}}};
 
       return table[face_no][i];
     }
diff --git a/tests/simplex/unit_tangential_vectors_01.output b/tests/simplex/unit_tangential_vectors_01.output
index 9684a9bcd0..2064c7733b 100644
--- a/tests/simplex/unit_tangential_vectors_01.output
+++ b/tests/simplex/unit_tangential_vectors_01.output
@@ -47,6 +47,9 @@ DEAL::
 DEAL::0.00000 0.00000 -1.00000
 DEAL::0.00000 1.00000 0.00000
 DEAL::1.00000 0.00000 0.00000
+DEAL::0.00000 0.00000 1.00000
+DEAL::1.00000 0.00000 0.00000
+DEAL::0.00000 1.00000 0.00000
 DEAL::0.00000 -1.00000 0.00000
 DEAL::1.00000 0.00000 0.00000
 DEAL::0.00000 0.00000 1.00000
@@ -56,9 +59,6 @@ DEAL::0.00000 0.00000 1.00000
 DEAL::-1.00000 0.00000 0.00000
 DEAL::0.00000 0.00000 1.00000
 DEAL::0.00000 1.00000 0.00000
-DEAL::0.00000 -1.00000 0.00000
-DEAL::1.00000 0.00000 0.00000
-DEAL::0.00000 0.00000 1.00000
 DEAL::
 DEAL::-1.00000 0.00000 0.00000
 DEAL::0.00000 -1.00000 0.00000