GlobalLinSysPETScFull.h

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///////////////////////////////////////////////////////////////////////////////
//
// File GlobalLinSysDirectXxt.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
// 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
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// Description: GlobalLinSysDirectXxt header
//
///////////////////////////////////////////////////////////////////////////////
 
#ifndef NEKTAR_LIB_MULTIREGIONS_GLOBALLINSYSPETSCFULL_H
#define NEKTAR_LIB_MULTIREGIONS_GLOBALLINSYSPETSCFULL_H
 
#include <MultiRegions/MultiRegionsDeclspec.h>
#include <MultiRegions/GlobalLinSysPETSc.h>
#include <MultiRegions/AssemblyMap/AssemblyMapCG.h>
 
namespace Nektar
{
    namespace MultiRegions
    {
        // Forward declarations
 
        //class AssemblyMapDG;
        class ExpList;
 
        /// A global linear system.
        class GlobalLinSysPETScFull : public GlobalLinSysPETSc
        {
        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)
            {
                return MemoryManager<GlobalLinSysPETScFull>
                    ::AllocateSharedPtr(pLinSysKey, pExpList, pLocToGloMap);
            }
 
            /// Name of class
            MULTI_REGIONS_EXPORT static std::string className;
 
            /// Constructor for full direct matrix solve.
            MULTI_REGIONS_EXPORT GlobalLinSysPETScFull(
                const GlobalLinSysKey                &pLinSysKey,
                const std::weak_ptr<ExpList>         &pExpList,
                const std::shared_ptr<AssemblyMap>   &pLocToGloMap);
 
            MULTI_REGIONS_EXPORT virtual ~GlobalLinSysPETScFull();
 
        private:
            // Local to global map.
            std::shared_ptr<AssemblyMap>     m_locToGloMap;
 
            /// Solve the linear system for given input and output vectors
            /// using a specified local to global map.
            virtual void v_Solve(
                const Array<OneD, const NekDouble> &in,
                      Array<OneD,       NekDouble> &out,
                const AssemblyMapSharedPtr         &locToGloMap,
                const Array<OneD, const NekDouble> &dirForcing
                                                        = NullNekDouble1DArray);
            virtual void v_DoMatrixMultiply(
                const Array<OneD, const NekDouble> &input,
                      Array<OneD,       NekDouble> &output);
        };
    }
}
 
#endif