amg_mkb/amg/DirectSolver.hpp

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/*
 * DirectSolver.hpp
 *
 *  Created on: Jul 27, 2015
 *      Author: damian
 */

#ifndef SRC_AMG_MKB_AMG_DIRECTSOLVER_HPP_
#define SRC_AMG_MKB_AMG_DIRECTSOLVER_HPP_

#include "Smoother.hpp"
#include <stdexcept>
#include <petscksp.h>

class DirectSolver : public Smoother {
public:
    DirectSolver();
    virtual void Smooth(Vec x, int global, int local);
    virtual void PreSmoothing(Mat matrix, Vec b);
    virtual void SetRhs(Vec rhs);
    virtual Vec GetResidual(Vec x);
    virtual ~DirectSolver();
private:
    Mat matrix;
    Vec rhs;
    KSP ksp;
};

#endif /* SRC_AMG_MKB_AMG_DIRECTSOLVER_HPP_ */

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