[Boost-sandbox-cvs] boost-sandbox/boost/units dimension.hpp, 1.2, 1.3

[Steven W. <ste...@us...>]

Update of /cvsroot/boost-sandbox/boost-sandbox/boost/units
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv623/boost-sandbox/boost/units

Modified Files:
	dimension.hpp 
Log Message:
Added mpl arithmetic

Index: dimension.hpp
===================================================================
RCS file: /cvsroot/boost-sandbox/boost-sandbox/boost/units/dimension.hpp,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- dimension.hpp	4 Apr 2007 20:07:36 -0000	1.2
+++ dimension.hpp	4 Apr 2007 23:42:25 -0000	1.3
@@ -13,6 +13,7 @@
 
 #include <boost/static_assert.hpp>
 
+#include <boost/mpl/arithmetic.hpp>
 #include <boost/mpl/and.hpp>
 #include <boost/mpl/begin_end.hpp>
 #include <boost/mpl/bool_fwd.hpp>
@@ -202,6 +203,60 @@
 
 } // namespace units
 
+namespace mpl {
+
+template<>
+struct plus_impl<boost::units::detail::dimension_list_tag,boost::units::detail::dimension_list_tag>
+{
+    template<class T0, class T1>
+    struct apply
+    {
+        typedef typename boost::units::static_add<T0, T1>::type type;
+    };
+};
+
+template<>
+struct minus_impl<boost::units::detail::dimension_list_tag,boost::units::detail::dimension_list_tag>
+{
+    template<class T0, class T1>
+    struct apply
+    {
+        typedef typename boost::units::static_subtract<T0, T1>::type type;
+    };
+};
+
+template<>
+struct times_impl<boost::units::detail::dimension_list_tag,boost::units::detail::dimension_list_tag>
+{
+    template<class T0, class T1>
+    struct apply
+    {
+        typedef typename boost::units::static_multiply<T0, T1>::type type;
+    };
+};
+
+template<>
+struct divides_impl<boost::units::detail::dimension_list_tag,boost::units::detail::dimension_list_tag>
+{
+    template<class T0, class T1>
+    struct apply
+    {
+        typedef typename boost::units::static_divide<T0, T1>::type type;
+    };
+};
+
+template<>
+struct negate_impl<boost::units::detail::dimension_list_tag>
+{
+    template<class T0, class T1>
+    struct apply
+    {
+        typedef typename boost::units::static_negate<T0>::type type;
+    };
+};
+
+} // namespace mpl
+
 } // namespace boost
 
 #endif // BOOST_UNITS_DIMENSION_HPP