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#ifndef ROCALUTION_DIRECT_LU_HPP_
#define ROCALUTION_DIRECT_LU_HPP_

#include "../solver.hpp"

namespace rocalution
{

    /** \ingroup solver_module
  * \class LU
  * \brief LU Decomposition
  * \details
  * Lower-Upper Decomposition factors a given square matrix into lower and upper
  * triangular matrix, such that \f$A = LU\f$.
  *
  * \tparam OperatorType - can be LocalMatrix
  * \tparam VectorType - can be LocalVector
  * \tparam ValueType - can be float, double, std::complex<float> or std::complex<double>
  */
    template <class OperatorType, class VectorType, typename ValueType>
    class LU : public DirectLinearSolver<OperatorType, VectorType, ValueType>
    {
    public:
        LU();
        virtual ~LU();

        virtual void Print(void) const;

        virtual void Build(void);
        virtual void Clear(void);

    protected:
        virtual void Solve_(const VectorType& rhs, VectorType* x);

        virtual void PrintStart_(void) const;
        virtual void PrintEnd_(void) const;

        virtual void MoveToHostLocalData_(void);
        virtual void MoveToAcceleratorLocalData_(void);

    private:
        OperatorType lu_;
    };

} // namespace rocalution

#endif // ROCALUTION_DIRECT_LU_HPP_