GlobalLinSysXxtStaticCond.h

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///////////////////////////////////////////////////////////////////////////////
//
// File GlobalLinSysIterativeStaticCond.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).
//
// Permission is hereby granted, free of charge, to any person obtaining a
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// Description: GlobalLinSysIterativeStaticCond header
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_LIB_MULTIREGIONS_GLOBALLINSYSXXTSTATICCOND_H
#define NEKTAR_LIB_MULTIREGIONS_GLOBALLINSYSXXTSTATICCOND_H

#include <MultiRegions/GlobalMatrix.h>
#include <MultiRegions/GlobalLinSysKey.h>
#include <MultiRegions/GlobalLinSysXxt.h>
#include <MultiRegions/GlobalLinSysStaticCond.h>
#include <MultiRegions/AssemblyMap/AssemblyMapCG.h>

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

        typedef std::shared_ptr<GlobalLinSysXxtStaticCond>
                                        GlobalLinSysXxtStaticCondSharedPtr;

        /// A global linear system.
        class GlobalLinSysXxtStaticCond : virtual public GlobalLinSysXxt,
                                          virtual public GlobalLinSysStaticCond
        {
        public:
            /// Creates an instance of this class
            static GlobalLinSysSharedPtr create(
                        const GlobalLinSysKey &pLinSysKey,
                        const std::weak_ptr<ExpList> &pExpList,
                        const std::shared_ptr<AssemblyMap>
                                                               &pLocToGloMap)
            {
                GlobalLinSysSharedPtr p = MemoryManager<
                    GlobalLinSysXxtStaticCond>::AllocateSharedPtr(
                        pLinSysKey, pExpList, pLocToGloMap);
                p->InitObject();
                return p;
            }

            /// Name of class
            static std::string className;
            static std::string className2;

            /// Constructor for full direct matrix solve.
            GlobalLinSysXxtStaticCond(
                        const GlobalLinSysKey &mkey,
                        const std::weak_ptr<ExpList> &pExpList,
                        const std::shared_ptr<AssemblyMap>
                                                                &locToGloMap);

            /// Constructor for full direct matrix solve.
            GlobalLinSysXxtStaticCond(
                        const GlobalLinSysKey &mkey,
                        const std::weak_ptr<ExpList> &pExpList,
                        const DNekScalBlkMatSharedPtr pSchurCompl,
                        const DNekScalBlkMatSharedPtr pBinvD,
                        const DNekScalBlkMatSharedPtr pC,
                        const DNekScalBlkMatSharedPtr pInvD,
                        const std::shared_ptr<AssemblyMap>
                                                                &locToGloMap);

            virtual ~GlobalLinSysXxtStaticCond();

        protected:
            void CreateMap(const std::shared_ptr<AssemblyMap> &pLocToGloMap);

            /// Assemble the Schur complement matrix.
            virtual void v_AssembleSchurComplement(
                    std::shared_ptr<AssemblyMap> locToGloMap);

            virtual GlobalLinSysStaticCondSharedPtr v_Recurse(
                const GlobalLinSysKey                &mkey,
                const std::weak_ptr<ExpList>         &pExpList,
                const DNekScalBlkMatSharedPtr         pSchurCompl,
                const DNekScalBlkMatSharedPtr         pBinvD,
                const DNekScalBlkMatSharedPtr         pC,
                const DNekScalBlkMatSharedPtr         pInvD,
                const std::shared_ptr<AssemblyMap>   &locToGloMap);
         };
    }
}

#endif