RhodeCode

  private:

    mutable std::vector<double> _primal_ray;

    mutable std::vector<double> _dual_ray;

    void _clear_temporals();

  protected:

    virtual const char* _solverName() const;

    virtual SolveExitStatus _solve();

    virtual Value _getPrimal(int i) const;

    virtual Value _getDual(int i) const;

    virtual Value _getPrimalValue() const;

    virtual VarStatus _getColStatus(int i) const;

    virtual VarStatus _getRowStatus(int i) const;

    virtual Value _getPrimalRay(int i) const;

    virtual Value _getDualRay(int i) const;

    virtual ProblemType _getPrimalType() const;

    virtual ProblemType _getDualType() const;

  public:

    ///Solve with primal simplex

    SolveExitStatus solvePrimal();

    ///Solve with dual simplex

    SolveExitStatus solveDual();

    ///Turns on or off the presolver

    ///Turns on (\c b is \c true) or off (\c b is \c false) the presolver

    ///

    ///The presolver is off by default.

    void presolver(bool b);

    ///Enum for \c messageLevel() parameter

    enum MessageLevel {

      /// no output (default value)

      MESSAGE_NO_OUTPUT = 0,

      /// error messages only

      MESSAGE_ERROR_MESSAGE = 1,

    ///\e

    virtual VarStatus _getRowStatus(int i) const;

    ///\e

    virtual const char* _solverName() const;

  };

  /// \brief Skeleton class for a MIP solver interface

  ///

  ///This class does nothing, but it can serve as a skeleton when

  ///implementing an interface to new solvers.

  ///\ingroup lp_group

  class MipSkeleton : public MipSolver, public SkeletonSolverBase {

  public:

    ///\e

    MipSkeleton() : MipSolver(), SkeletonSolverBase() {}

    ///\e

    virtual MipSkeleton* newSolver() const;

    ///\e

    virtual MipSkeleton* cloneSolver() const;

  protected:

    ///\e

    virtual SolveExitStatus _solve();

    ///\e

    virtual Value _getSol(int i) const;

    ///\e

    virtual Value _getSolValue() const;

    ///\e

    virtual ProblemType _getType() const;

    ///\e

    virtual const char* _solverName() const;

  };

} //namespace lemon

#endif