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PreconditionerLinearWithBlock.h
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File Preconditioner.h
4 //
5 // For more information, please see: http://www.nektar.info
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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
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 #ifndef NEKTAR_LIB_MULTIREGIONS_PRECONDITIONERLINEARWITHBLOCK_H
36 #define NEKTAR_LIB_MULTIREGIONS_PRECONDITIONERLINEARWITHBLOCK_H
41 
42 namespace Nektar
43 {
44  namespace MultiRegions
45  {
47  typedef boost::shared_ptr<PreconditionerLinearWithBlock> PreconditionerLinearWithBlockSharedPtr;
48 
50  {
51  public:
52  /// Creates an instance of this class
54  const boost::shared_ptr<GlobalLinSys> &plinsys,
55  const boost::shared_ptr<AssemblyMap>
56  &pLocToGloMap)
57  {
59  p->InitObject();
60  return p;
61  }
62 
63  /// Name of class
64  static std::string className;
65 
67  const boost::shared_ptr<GlobalLinSys> &plinsys,
68  const AssemblyMapSharedPtr &pLocToGloMap);
69 
72 
73  protected:
74 
77 
78  private:
79 
80  virtual void v_InitObject();
81 
82  virtual void v_DoPreconditioner(
83  const Array<OneD, NekDouble>& pInput,
84  Array<OneD, NekDouble>& pOutput);
85 
86  virtual void v_BuildPreconditioner();
87 
88  };
89  }
90 }
91 
92 #endif
static PreconditionerSharedPtr create(const boost::shared_ptr< GlobalLinSys > &plinsys, const boost::shared_ptr< AssemblyMap > &pLocToGloMap)
Creates an instance of this class.
static boost::shared_ptr< DataType > AllocateSharedPtr()
Allocate a shared pointer from the memory pool.
boost::shared_ptr< AssemblyMap > AssemblyMapSharedPtr
Definition: AssemblyMap.h:53
#define MULTI_REGIONS_EXPORT
boost::shared_ptr< Preconditioner > PreconditionerSharedPtr
Definition: GlobalLinSys.h:62
virtual void v_DoPreconditioner(const Array< OneD, NekDouble > &pInput, Array< OneD, NekDouble > &pOutput)
Apply a preconditioner to the conjugate gradient method.
boost::shared_ptr< PreconditionerLinearWithBlock > PreconditionerLinearWithBlockSharedPtr
PreconditionerLinearWithBlock(const boost::shared_ptr< GlobalLinSys > &plinsys, const AssemblyMapSharedPtr &pLocToGloMap)