]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Add to the documentation.
authorWolfgang Bangerth <bangerth@math.tamu.edu>
Wed, 15 Dec 2010 15:31:39 +0000 (15:31 +0000)
committerWolfgang Bangerth <bangerth@math.tamu.edu>
Wed, 15 Dec 2010 15:31:39 +0000 (15:31 +0000)
git-svn-id: https://svn.dealii.org/trunk@22967 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/include/deal.II/fe/mapping_q1.h

index 9372ea6dbd98706ef2c1eb96d20b9935907909a0..796570fb7bbb64fa4f7efcf9a68cff62d11e4c91 100644 (file)
@@ -228,6 +228,20 @@ class MappingQ1 : public Mapping<dim,spacedim>
                                          * boundary forms and normal
                                          * vectors.
                                          *
+                                         * This vector has
+                                         * (dim-1)*GeometryInfo<dim>::faces_per_cell
+                                         * entries. The first
+                                         * GeometryInfo<dim>::faces_per_cell
+                                         * contain the vectors in the first
+                                         * tangential direction for each
+                                         * face; the second set of
+                                         * GeometryInfo<dim>::faces_per_cell
+                                         * entries contain the vectors in the
+                                         * second tangential direction (only
+                                         * in 3d, since there we have 2
+                                         * tangential directions per face),
+                                         * etc.
+                                         *
                                          * Filled once.
                                          */
         std::vector<std::vector<Tensor<1,dim> > > unit_tangentials;

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