A modest start to documenting.

git-svn-id: https://svn.dealii.org/trunk@24378 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/examples/step-32/step-32.cc b/deal.II/examples/step-32/step-32.cc
index f828f92d3407f6cf3ce3500e594dcca5bd87e2f9..5981134d3cd2dc48b81c59e8af604f420ca19413 100644 (file)
--- a/deal.II/examples/step-32/step-32.cc
+++ b/deal.II/examples/step-32/step-32.cc
@@ -4,7 +4,7 @@
 /* $Id$ */
 /* Author: Martin Kronbichler, Uppsala University,
            Wolfgang Bangerth, Texas A&M University,
-     Timo Heister, University of Goettingen, 2008-2011 */
+           Timo Heister, University of Goettingen, 2008-2011 */
 /*                                                                */
 /*    Copyright (C) 2008, 2009, 2010, 2011 by the deal.II authors */
 /*                                                                */
@@ -13,12 +13,12 @@
 /*    to the file deal.II/doc/license.html for the  text  and     */
 /*    further information on this license.                        */
 
-// @sect3{Include files}
+                                // @sect3{Include files}
 
-// We include the functionality
-// of these well-known deal.II
-// library files and some C++
-// header files.
+                                //The first task as usual is to
+                                // include the functionality of these
+                                // well-known deal.II library files
+                                // and some C++ header files.
 #include <deal.II/base/quadrature_lib.h>
 #include <deal.II/base/logstream.h>
 #include <deal.II/base/function.h>
@@ -67,16 +67,6 @@
 #include <deal.II/numerics/error_estimator.h>
 #include <deal.II/numerics/solution_transfer.h>
 
-// This is the only include file that is new:
-// We use an IndexSet to describe the
-// %parallel partitioning of vectors and
-// matrices.
-#include <deal.II/base/index_set.h>
-
-#include <deal.II/distributed/tria.h>
-#include <deal.II/distributed/solution_transfer.h>
-#include <deal.II/distributed/grid_refinement.h>
-
 #include <fstream>
 #include <iostream>
 #include <sstream>
@@ -84,6 +74,24 @@
 #include <locale>
 #include <string>
 
+                                // This is the only include file that
+                                // is new: It introduces the
+                                // equivalent of the
+                                // dealii::SolutionTransfer class to
+                                // take a solution from on mesh to
+                                // the next one upon mesh refinement,
+                                // but in the case of parallel
+                                // distributed triangulations:
+#include <deal.II/distributed/solution_transfer.h>
+
+                                // The following classes are used in
+                                // parallel distributed computations
+                                // and have all already been
+                                // introduced in step-40:
+#include <deal.II/base/index_set.h>
+#include <deal.II/distributed/tria.h>
+#include <deal.II/distributed/grid_refinement.h>
+
 
 
 using namespace dealii;