From 29db24dac4cabce61018037f3187078bcce2b9d5 Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Tue, 8 Jun 2010 14:47:21 +0000
Subject: [PATCH] Add forgotten file.

git-svn-id: https://svn.dealii.org/trunk@21175 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/base/include/base/types.h | 74 +++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 deal.II/base/include/base/types.h

diff --git a/deal.II/base/include/base/types.h b/deal.II/base/include/base/types.h
new file mode 100644
index 0000000000..f55790796c
--- /dev/null
+++ b/deal.II/base/include/base/types.h
@@ -0,0 +1,74 @@
+//---------------------------------------------------------------------------
+//    $Id$
+//    Version: $Name$
+//
+//    Copyright (C) 2009 by the deal.II authors
+//
+//    This file is subject to QPL and may not be  distributed
+//    without copyright and license information. Please refer
+//    to the file deal.II/doc/license.html for the  text  and
+//    further information on this license.
+//
+//---------------------------------------------------------------------------
+#ifndef __deal2__types_h
+#define __deal2__types_h
+
+
+#include <base/config.h>
+
+DEAL_II_NAMESPACE_OPEN
+
+/**
+ * A namespace in which we declare typedefs for types used in deal.II,
+ * as well as special values for these types.
+ */
+namespace types
+{
+
+				   /**
+				    * The type used to denote
+				    * subdomain_ids of cells.
+				    *
+				    * See the @ref GlossSubdomainId
+				    * "glossary" for more information.
+				    */
+  typedef unsigned int subdomain_id_t;
+
+				   /**
+				    * A special id for an invalid
+				    * subdomain id. This value may not
+				    * be used as a valid id but is
+				    * used, for example, for default
+				    * arguments to indicate a
+				    * subdomain id that is not to be
+				    * used.
+				    *
+				    * See the @ref GlossSubdomainId
+				    * "glossary" for more information.
+				    */
+  const unsigned int invalid_subdomain_id = static_cast<subdomain_id_t>(-1);
+
+				   /**
+				    * The subdomain id assigned to a
+				    * cell whose true subdomain id we
+				    * don't know, for example because
+				    * it resides on a different
+				    * processor on a mesh that is kept
+				    * distributed on many
+				    * processors. Such cells are
+				    * called "artificial".
+				    *
+				    * See the glossary entries on @ref
+				    * GlossSubdomainId "subdomain ids"
+				    * and @ref GlossArtificialCell
+				    * "artificial cells" as well as
+				    * the @ref distributed module for
+				    * more information.
+				    */
+  const unsigned int artificial_subdomain_id = static_cast<subdomain_id_t>(-2);
+}
+
+
+DEAL_II_NAMESPACE_CLOSE
+
+#endif
-- 
2.39.5