#include <boost/rational.hpp>
template <class T>
-struct is_boost_rational<boost::rational<T> > : public boost::mpl::true_
+struct is_boost_rational<boost::rational<T> > : public std::integral_constant<bool, true>
{};
namespace boost { namespace multiprecision {
template <>
-struct number_category<rational<tom_int> > : public mpl::int_<number_kind_rational>
+struct number_category<rational<tom_int> > : public std::integral_constant<int, number_kind_rational>
{};
}} // namespace boost::multiprecision