[Boost-sandbox-cvs] boost-sandbox/boost/units static_rational.hpp, 1.3, 1.4

[Matthias S. <mat...@us...>]

Update of /cvsroot/boost-sandbox/boost-sandbox/boost/units
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv27061

Modified Files:
	static_rational.hpp 
Log Message:
add implicit conversion for equivalent reduced static_rationals


Index: static_rational.hpp
===================================================================
RCS file: /cvsroot/boost-sandbox/boost-sandbox/boost/units/static_rational.hpp,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- static_rational.hpp	5 Apr 2007 00:22:29 -0000	1.3
+++ static_rational.hpp	11 Apr 2007 22:21:01 -0000	1.4
@@ -15,8 +15,8 @@
 #include <complex>
 
 #include <boost/math/common_factor_ct.hpp>
-
 #include <boost/mpl/arithmetic.hpp>
+#include <boost/type_traits/is_same.hpp>
 
 #include <boost/units/operators.hpp>
 
@@ -88,6 +88,15 @@
         
         static_rational() { }
         //~static_rational() { }
+        
+//        // static rationals are implicitly convertible if reduced types are the same
+//        template<integer_type NN,integer_type DD>
+//        operator static_rational<NN,DD>()
+//        {
+//            BOOST_STATIC_ASSERT((boost::is_same<type,typename static_rational<NN,DD>::type>::value == true));
+//            
+//            return static_rational<NN,DD>();
+//        }
 };
 
 }