Add two brief class descriptions.

These are mentioned in other files and we need at least a stub here to
make the classes show up in doxygen.

diff --git a/include/deal.II/matrix_free/matrix_free.h b/include/deal.II/matrix_free/matrix_free.h
index 1216bcf231584267adfe57487cd6b7a0d19855c6..fb456f120348765a4f6954df73d0810758c76418 100644 (file)
--- a/include/deal.II/matrix_free/matrix_free.h
+++ b/include/deal.II/matrix_free/matrix_free.h
@@ -2634,6 +2634,9 @@ MatrixFree<dim, Number>::reinit(
 // additional helper functions to select the blocks and template magic.
 namespace internal
 {
+  /**
+   * Internal class for exchanging data between vectors.
+   */
   template <int dim, typename Number>
   struct VectorDataExchange
   {

diff --git a/include/deal.II/particles/particle_accessor.h b/include/deal.II/particles/particle_accessor.h
index 5887c185203eaa7353a18422dbddb8ab336e8336..f7d4b8dfd46c79eb67e7788c36f1e549e04c873b 100644 (file)
--- a/include/deal.II/particles/particle_accessor.h
+++ b/include/deal.II/particles/particle_accessor.h
@@ -31,6 +31,9 @@ namespace Particles
   template <int, int>
   class ParticleHandler;
 
+  /**
+   * Accessor class used by ParticleIterator to access particle data.
+   */
   template <int dim, int spacedim = dim>
   class ParticleAccessor
   {