///////////////////////////////////////////////////////////////////////////////
//
// File EigenValuesAdvection.h
//
// For more information, please see: http://www.nektar.info
//
// The MIT License
//
// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
// Department of Aeronautics, Imperial College London (UK), and Scientific
// Computing and Imaging Institute, University of Utah (USA).
//
// License for the specific language governing rights and limitations under
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Description:
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_SOLVERS_ADRSOLVER_EQUATIONSYSTEMS_EIGENVALUESADVECTION_H
#define NEKTAR_SOLVERS_ADRSOLVER_EQUATIONSYSTEMS_EIGENVALUESADVECTION_H

#include <SolverUtils/EquationSystem.h>

using namespace Nektar::SolverUtils;

namespace Nektar
{
    class EigenValuesAdvection : public EquationSystem
    {
    public:
        friend class MemoryManager<EigenValuesAdvection>;

        /// Creates an instance of this class
        static EquationSystemSharedPtr create(
                const LibUtilities::SessionReaderSharedPtr& pSession) {
            EquationSystemSharedPtr p = MemoryManager<EigenValuesAdvection>::AllocateSharedPtr(pSession);
            p->InitObject();
            return p;
        }
        /// Name of class
        static std::string className;

        virtual ~EigenValuesAdvection();

    protected:
        Array<OneD, Array<OneD, NekDouble> > m_velocity;

        EigenValuesAdvection(const LibUtilities::SessionReaderSharedPtr& pSession);
		
		virtual void v_InitObject();
        virtual void v_DoInitialise();
        virtual void v_DoSolve();

        // DG Advection routines
        virtual void v_GetFluxVector(const int i, Array<OneD, Array<OneD, NekDouble> > &physfield, Array<OneD, Array<OneD, NekDouble> > &flux);

        virtual void v_NumericalFlux(Array<OneD, Array<OneD, NekDouble> > &physfield, Array<OneD, Array<OneD, NekDouble> > &numflux);

    };
}

#endif
