Header <boost/numeric/odeint/stepper/runge_kutta4

Header <boost/numeric/odeint/stepper/runge_kutta4_classic.hpp>

namespace boost {
  namespace numeric {
    namespace odeint {
      template<typename State, typename Value = double, 
               typename Deriv = State, typename Time = Value, 
               typename Algebra = typename algebra_dispatcher< State >::algebra_type, 
               typename Operations = typename operations_dispatcher< State >::operations_type, 
               typename Resizer = initially_resizer> 
        class runge_kutta4_classic;
    }
  }
}