]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Add a caution.
authorwolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Tue, 7 Jun 2005 16:33:47 +0000 (16:33 +0000)
committerwolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Tue, 7 Jun 2005 16:33:47 +0000 (16:33 +0000)
git-svn-id: https://svn.dealii.org/trunk@10844 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/deal.II/include/fe/fe_raviart_thomas.h

index 1ab8f1d4a70b00a485431a354bfb9d5c87b9bc31..9891ee9130462e0a67875cf4eeccb5f249fa7c40 100644 (file)
@@ -203,10 +203,24 @@ class FE_RaviartThomas : public FiniteElement<dim>
                                                     const unsigned int component) const;
 
                                     /**
-                                     * Return the polynomial degree
+                                     * Return the order
                                      * of this finite element,
                                      * i.e. the value passed to the
                                      * constructor.
+                                     *
+                                     * Note that for this element,
+                                     * the order is actually one
+                                     * lower than the maximal
+                                     * polynomial degree, unlike for
+                                     * most of the other
+                                     * elements. For example, the RT0
+                                     * element as piecewise linear
+                                     * shape functions, even though
+                                     * the normal component of them
+                                     * is piecewise constant on each
+                                     * face (the latter being the
+                                     * property that defines the
+                                     * order of the element).
                                      */
     unsigned int get_degree () const;
     

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