Add std_cxx11/iterator.h to switch between std::begin and boost::begin

diff --git a/include/deal.II/base/std_cxx11/iterator.h b/include/deal.II/base/std_cxx11/iterator.h
new file mode 100644 (file)
index 0000000..66576e3
--- /dev/null
+++ b/include/deal.II/base/std_cxx11/iterator.h
@@ -0,0 +1,44 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2012 - 2015 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+#ifndef dealii__std_cxx11_iterator_h
+#define dealii__std_cxx11_iterator_h
+
+#include <deal.II/base/config.h>
+
+#ifdef DEAL_II_WITH_CXX11
+
+#  include <iterator>
+DEAL_II_NAMESPACE_OPEN
+namespace std_cxx11
+{
+  using std::begin;
+  using std::end;
+}
+DEAL_II_NAMESPACE_CLOSE
+
+#else
+
+#include <boost/range.hpp>
+DEAL_II_NAMESPACE_OPEN
+namespace std_cxx11
+{
+  using boost::begin;
+  using boost::end;
+}
+DEAL_II_NAMESPACE_CLOSE
+#endif
+
+#endif