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PreconditionerLinearWithDiag.h
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2 //
3 // File PreconditionerLinearWithDiag.h
4 //
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9 // Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10 // Department of Aeronautics, Imperial College London (UK), and Scientific
11 // Computing and Imaging Institute, University of Utah (USA).
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31 //
32 // Description: Preconditioner header for diagonal with linear sub space
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 #ifndef NEKTAR_LIB_MULTIREGIONS_PRECONDITIONERLINEARWITHDIAG_H
36 #define NEKTAR_LIB_MULTIREGIONS_PRECONDITIONERLINEARWITHDIAG_H
37 
43 
44 namespace Nektar
45 {
46  namespace MultiRegions
47  {
49  typedef boost::shared_ptr<PreconditionerLinearWithDiag> PreconditionerLinearWithDiagSharedPtr;
50 
52  {
53  public:
54  /// Creates an instance of this class
56  const boost::shared_ptr<GlobalLinSys> &plinsys,
57  const boost::shared_ptr<AssemblyMap>
58  &pLocToGloMap)
59  {
61  p->InitObject();
62  return p;
63  }
64 
65  /// Name of class
66  static std::string className;
67 
69  const boost::shared_ptr<GlobalLinSys> &plinsys,
70  const AssemblyMapSharedPtr &pLocToGloMap);
71 
74 
75  protected:
76  //const boost::weak_ptr<GlobalLinSys> m_linsys;
77 
80 
81  private:
82 
83  virtual void v_InitObject();
84 
85  virtual void v_DoPreconditioner(
86  const Array<OneD, NekDouble>& pInput,
87  Array<OneD, NekDouble>& pOutput);
88 
89  virtual void v_BuildPreconditioner();
90 
91  };
92  }
93 }
94 
95 #endif
static boost::shared_ptr< DataType > AllocateSharedPtr()
Allocate a shared pointer from the memory pool.
boost::shared_ptr< AssemblyMap > AssemblyMapSharedPtr
Definition: AssemblyMap.h:53
boost::shared_ptr< PreconditionerLinearWithDiag > PreconditionerLinearWithDiagSharedPtr
#define MULTI_REGIONS_EXPORT
boost::shared_ptr< Preconditioner > PreconditionerSharedPtr
Definition: GlobalLinSys.h:62
PreconditionerLinearWithDiag(const boost::shared_ptr< GlobalLinSys > &plinsys, const AssemblyMapSharedPtr &pLocToGloMap)
static PreconditionerSharedPtr create(const boost::shared_ptr< GlobalLinSys > &plinsys, const boost::shared_ptr< AssemblyMap > &pLocToGloMap)
Creates an instance of this class.
virtual void v_DoPreconditioner(const Array< OneD, NekDouble > &pInput, Array< OneD, NekDouble > &pOutput)
Apply a preconditioner to the conjugate gradient method.