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#ifndef ROCALUTION_HOST_MATRIX_HYB_HPP_
#define ROCALUTION_HOST_MATRIX_HYB_HPP_

#include "../base_matrix.hpp"
#include "../base_vector.hpp"
#include "../matrix_formats.hpp"

namespace rocalution
{

    template <typename ValueType>
    class HostMatrixHYB : public HostMatrix<ValueType>
    {
    public:
        HostMatrixHYB();
        explicit HostMatrixHYB(const Rocalution_Backend_Descriptor& local_backend);
        virtual ~HostMatrixHYB();

        inline int GetELLMaxRow(void) const
        {
            return this->mat_.ELL.max_row;
        }
        inline int GetELLNnz(void) const
        {
            return this->ell_nnz_;
        }
        inline int GetCOONnz(void) const
        {
            return this->coo_nnz_;
        }

        virtual void         Info(void) const;
        virtual unsigned int GetMatFormat(void) const
        {
            return HYB;
        }

        virtual void Clear(void);
        virtual void AllocateHYB(int ell_nnz, int coo_nnz, int ell_max_row, int nrow, int ncol);

        virtual bool ConvertFrom(const BaseMatrix<ValueType>& mat);

        virtual void CopyFrom(const BaseMatrix<ValueType>& mat);
        virtual void CopyTo(BaseMatrix<ValueType>* mat) const;

        virtual void Apply(const BaseVector<ValueType>& in, BaseVector<ValueType>* out) const;
        virtual void ApplyAdd(const BaseVector<ValueType>& in,
                              ValueType                    scalar,
                              BaseVector<ValueType>*       out) const;

    private:
        MatrixHYB<ValueType, int> mat_;
        int                       ell_nnz_;
        int                       coo_nnz_;

        friend class BaseVector<ValueType>;
        friend class HostVector<ValueType>;
        friend class HostMatrixCSR<ValueType>;
        friend class HostMatrixCOO<ValueType>;
        friend class HostMatrixELL<ValueType>;
        friend class HostMatrixDENSE<ValueType>;

        friend class HIPAcceleratorMatrixHYB<ValueType>;
    };

} // namespace rocalution

#endif // ROCALUTION_HOST_MATRIX_HYB_HPP_