#include "test_arithmetic.hpp"
-template <unsigned MinBits, unsigned MaxBits, boost::multiprecision::cpp_integer_type SignType, class Allocator, boost::multiprecision::expression_template_option ExpressionTemplates>
-struct is_twos_complement_integer<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<MinBits, MaxBits, SignType, boost::multiprecision::checked, Allocator>, ExpressionTemplates> > : public boost::mpl::false_
+template <std::size_t MinBits, std::size_t MaxBits, boost::multiprecision::cpp_integer_type SignType, class Allocator, boost::multiprecision::expression_template_option ExpressionTemplates>
+struct is_twos_complement_integer<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<MinBits, MaxBits, SignType, boost::multiprecision::checked, Allocator>, ExpressionTemplates> > : public std::integral_constant<bool, false>
{};
+template <>
+struct related_type<boost::multiprecision::number<boost::multiprecision::rational_adaptor<boost::multiprecision::int128_t::backend_type> > >
+{
+ typedef boost::multiprecision::int128_t type;
+};
+
+
int main()
{
test<boost::multiprecision::number<boost::multiprecision::rational_adaptor<boost::multiprecision::int128_t::backend_type> > >();