GlobalLinSysXxt.h

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///////////////////////////////////////////////////////////////////////////////
//
// File: GlobalLinSysXxt.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).
//
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// Description:
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///////////////////////////////////////////////////////////////////////////////
 
/*
 * GlobalLinSysXxt.h
 *
 *  Created on: 19 Oct 2012
 *      Author: cc
 */
 
#ifndef NEKTAR_LIB_MULTIREGIONS_GLOBALLINSYSXXT_H
#define NEKTAR_LIB_MULTIREGIONS_GLOBALLINSYSXXT_H
#include <MultiRegions/AssemblyMap/AssemblyMapCG.h>
#include <MultiRegions/GlobalLinSys.h>
#include <MultiRegions/GlobalLinSysKey.h>
#include <MultiRegions/MultiRegionsDeclspec.h>
 
namespace Xxt
{
struct crs_data;
}
 
namespace Nektar
{
namespace MultiRegions
{
// Forward declarations
 
// class AssemblyMapDG;
class ExpList;
 
class GlobalLinSysXxt : virtual public GlobalLinSys
{
public:
    /// Constructor for full direct matrix solve.
    MULTI_REGIONS_EXPORT GlobalLinSysXxt(
        const GlobalLinSysKey &pKey, const std::weak_ptr<ExpList> &pExp,
        const std::shared_ptr<AssemblyMap> &pLocToGloMap);
 
    MULTI_REGIONS_EXPORT virtual ~GlobalLinSysXxt();
 
protected:
    struct Xxt::crs_data *m_crsData;
    Array<OneD, unsigned int> m_Ai;
    Array<OneD, unsigned int> m_Aj;
    Array<OneD, double> m_Ar;
 
    Array<OneD, NekDouble> m_locToGloSignMult;
 
    Array<OneD, int> m_map;
 
    /// 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 = 0) override;
 
    void GlobalToLocalNoSign(const Array<OneD, const NekDouble> &global,
                             Array<OneD, NekDouble> &local);
 
    void LocalToGlobalNoSign(const Array<OneD, const NekDouble> &local,
                             Array<OneD, NekDouble> &global);
};
} // namespace MultiRegions
} // namespace Nektar
#endif /* GLOBALLINSYSXXT_H_ */