/home/brandes/workspace/LAMA/src/lama/solver/CG.hpp

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#ifndef LAMA_CG_HPP_
#define LAMA_CG_HPP_

// for dll_import
#include <lama/config.hpp>

// base classes
#include <lama/solver/IterativeSolver.hpp>

namespace lama
{

class LAMA_DLL_IMPORTEXPORT CG : public IterativeSolver
{
public:
    CG(const std::string& id);

    CG(const std::string& id, LoggerPtr logger);

    CG( const CG& other );

    virtual ~CG();

    virtual void initialize(const Matrix&  coefficients);

    virtual SolverPtr copy();

    struct CGRuntime : IterativeSolverRuntime
    {
        CGRuntime();
        virtual ~CGRuntime();
    
        boost::shared_ptr<Vector> mP;
        boost::shared_ptr<Vector> mQ;
        boost::shared_ptr<Vector> mZ;
        Scalar mPScalar;
    } ;

    virtual CGRuntime& getRuntime();

    virtual const CGRuntime& getConstRuntime() const;

protected:

    virtual void iterate();

    LAMA_LOG_DECL_STATIC_LOGGER(logger);

    CGRuntime mCGRuntime;

private:
};

}

#endif // LAMA_CG_HPP_