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PreconditionerLinearWithDiag.h
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File PreconditionerLinearWithDiag.h
4 //
5 // For more information, please see: http://www.nektar.info
6 //
7 // The MIT License
8 //
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).
12 //
13 // License for the specific language governing rights and limitations under
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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