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PreconditionerBlock.h
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File PreconditionerBlock.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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15 // copy of this software and associated documentation files (the "Software"),
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31 //
32 // Description: Block Preconditioner header
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 #ifndef NEKTAR_LIB_MULTIREGIONS_PRECONDITIONERBLOCK_H
36 #define NEKTAR_LIB_MULTIREGIONS_PRECONDITIONERBLOCK_H
41 #include <LocalRegions/TetExp.h>
42 #include <LocalRegions/PrismExp.h>
43 
44 
45 namespace Nektar
46 {
47 
48  namespace MultiRegions
49  {
51  typedef boost::shared_ptr<PreconditionerBlock> PreconditionerBlockSharedPtr;
52 
54  {
55  public:
56  /// Creates an instance of this class
58  const boost::shared_ptr<GlobalLinSys> &plinsys,
59  const boost::shared_ptr<AssemblyMap>
60  &pLocToGloMap)
61  {
63  p->InitObject();
64  return p;
65  }
66 
67  /// Name of class
68  static std::string className;
69 
71  const boost::shared_ptr<GlobalLinSys> &plinsys,
72  const AssemblyMapSharedPtr &pLocToGloMap);
73 
75  virtual ~PreconditionerBlock() {}
76 
77  protected:
78 
79  const boost::weak_ptr<GlobalLinSys> m_linsys;
80 
82 
84 
85  boost::shared_ptr<AssemblyMap> m_locToGloMap;
86 
87  private:
88 
89  void BlockPreconditioner2D(void);
90 
91  void BlockPreconditioner3D(void);
92 
93  void BlockPreconditionerHDG(void);
94 
95  virtual void v_InitObject();
96 
97  virtual void v_DoPreconditioner(
98  const Array<OneD, NekDouble>& pInput,
99  Array<OneD, NekDouble>& pOutput);
100 
101  virtual void v_BuildPreconditioner();
102  };
103  }
104 }
105 
106 #endif