MatrixOperator.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Written (W) 2013 Soumyajit De
 */

#ifndef MATRIX_OPERATOR_H_
#define MATRIX_OPERATOR_H_

#include <shogun/lib/config.h>
#include <shogun/mathematics/linalg/linop/LinearOperator.h>

namespace shogun
{

template<class T> class CMatrixOperator : public CLinearOperator<T>
{
public:
    CMatrixOperator()
    : CLinearOperator<T>()
    {
    }

    CMatrixOperator(index_t dimension)
    : CLinearOperator<T>(dimension)
    {
    }

    ~CMatrixOperator()
    {
    }

    virtual SGVector<T> apply(SGVector<T> b) const = 0;

    virtual void set_diagonal(SGVector<T> diag) = 0;

    virtual SGVector<T> get_diagonal() const = 0;

    virtual const char* get_name() const
    {
        return "MatrixOperator";
    }

};
}

#endif // MATRIX_OPERATOR_H_