#include <gmpxx.h>

# include <boost/serialization/access.hpp>

#include <gmpxx_boost_serialization.hpp>

# include <boost/mpi.hpp>
namespace mpi = boost::mpi;





typedef mpq_class val_t;
typedef long coord_t;

namespace rheinfall {

  template <typename val_t, typename coord_t>
  /** Abstract base class for matrix rows. */
  class Row 
  {
  public:
    Row(const coord_t starting_column, 
        const coord_t ending_column);

    /** Virtual destructor (for actual use in subclasses). */
    virtual ~Row();

  protected:
    coord_t starting_column_;
    coord_t ending_column_;

    // boost::serialization support
    friend class boost::serialization::access;
    template<class Archive>
    void serialize(Archive& ar, const unsigned int version);
  }; // class Row


  template <typename val_t, typename coord_t>
  inline
  Row<val_t,coord_t>::Row(const coord_t starting_column, 
                          const coord_t ending_column)
    : starting_column_(starting_column), 
      ending_column_(ending_column)
    { };

}; // namespace rheinfall