namespace boost {
  namespace numeric {
    namespace odeint {
      template<typename Coor, typename Velocity = Coor,
               typename Value = double, typename Acceleration = Coor,
               typename Time = Value, typename TimeSq = Time,
               typename Algebra = typename algebra_dispatcher< Coor >::algebra_type,
               typename Operations = typename operations_dispatcher< Coor >::operations_type,
               typename Resizer = initially_resizer>
        class velocity_verlet;
    }
  }
}