Index: boost/ratio/detail/mpl/lcm.hpp
===================================================================
--- boost/ratio/detail/mpl/lcm.hpp	(revision 0)
+++ boost/ratio/detail/mpl/lcm.hpp	(revision 1)
@@ -67,7 +67,7 @@
 
 
 namespace aux {
-    template< typename T1, T1 n1, bool n1_is_0, typename T2, T2 n2, bool n2_is_0 > 
+    template< typename T1, intmax_t n1, bool n1_is_0, typename T2, intmax_t n2, bool n2_is_0 > 
     struct lcm_aux
  
         : abs<integral_c< typename aux::largest_int<T1, T2>::type,
@@ -75,11 +75,11 @@
         > >
     {};
     
-    template <typename T1, T1 n1, typename T2, T2 n2>
+    template <typename T1, intmax_t n1, typename T2, intmax_t n2>
     struct lcm_aux<T1, n1, false, T2, n2, true> : integral_c<T2, 0> 
     {};
 
-    template <typename T1, T1 n1, typename T2, T2 n2, bool C>
+    template <typename T1,intmax_t n1, typename T2, intmax_t n2, bool C>
     struct lcm_aux<T1, n1, true, T2, n2, C> : integral_c<T1, 0> 
     {};
 }
Index: boost/ratio/detail/mpl/gcd.hpp
===================================================================
--- boost/ratio/detail/mpl/gcd.hpp	(revision 0)
+++ boost/ratio/detail/mpl/gcd.hpp	(revision 1)
@@ -66,7 +68,7 @@
 };
 
 namespace aux {
-    template< typename T1, T1 n1, bool n1_is_0, typename T2, T2 n2, bool n2_is_0 > 
+    template< typename T1, intmax_t n1, bool n1_is_0, typename T2, intmax_t n2, bool n2_is_0 > 
     struct gcd_aux
  
         : gcd_aux<T2, n2, n2==0, 
@@ -75,11 +77,11 @@
                     (n1 % n2), (n1 % n2)==0>
     {};
     
-    template <typename T1, T1 n1, typename T2, T2 n2>
+    template <typename T1, intmax_t n1, typename T2, intmax_t n2>
     struct gcd_aux<T1, n1, false, T2, n2, true> : integral_c<T1, n1> 
     {};
 
-    template <typename T1, T1 n1, typename T2, T2 n2, bool C>
+    template <typename T1, intmax_t n1, typename T2, intmax_t n2, bool C>
     struct gcd_aux<T1, n1, true, T2, n2, C> : integral_c<T2, n2> 
     {};
 }