#include <boost/numeric/interval.hpp>
#include <gmpxx.h>


namespace boost {
  namespace numeric {
    namespace interval_lib {
      template<> 
      struct rounded_math<mpq_class>
	:save_state_nothing<rounded_arith_exact<mpq_class> >
      {};
    }
  }
}

int main(int argc, char **argv){
  boost::numeric::interval<mpq_class> i(0,1);
  i = boost::numeric::pow(i, 4);
}