GlobalLinSysDirect.h

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///////////////////////////////////////////////////////////////////////////////
//
// File GlobalLinSys.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
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// Software is furnished to do so, subject to the following conditions:
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//
// Description: GlobalLinSysDirect header
//
///////////////////////////////////////////////////////////////////////////////
#ifndef NEKTAR_LIB_MULTIREGIONS_GLOBALLINSYSDIRECT_H
#define NEKTAR_LIB_MULTIREGIONS_GLOBALLINSYSDIRECT_H

#include <MultiRegions/MultiRegionsDeclspec.h>
#include <MultiRegions/GlobalLinSys.h>

namespace Nektar
{
    namespace MultiRegions
    {
        // Forward declarations
        class ExpList;

        /// A global linear system.
        class GlobalLinSysDirect : virtual public GlobalLinSys
        {
        public:
            MULTI_REGIONS_EXPORT GlobalLinSysDirect(
                const GlobalLinSysKey &pKey,
                const boost::weak_ptr<ExpList> &pExp,
                const boost::shared_ptr<AssemblyMap> &pLocToGloMap);
                
                MULTI_REGIONS_EXPORT virtual ~GlobalLinSysDirect();

        protected:
            /// Basic linear system object.
            DNekLinSysSharedPtr m_linSys;
            /// Solve the linear system for given input and output vectors.
            virtual void v_SolveLinearSystem(
                const int pNumRows,
                const Array<OneD,const NekDouble> &pInput,
                      Array<OneD,      NekDouble> &pOutput,
                const AssemblyMapSharedPtr &locToGloMap,
                const int pNumDir);
        };
    }
}

#endif