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Teko_DiagonalPreconditionerFactory.hpp
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00006 //      Teko: A package for block and physics based preconditioning
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00046 
00047 #ifndef __Teko_DiagonalPreconditionerFactory_hpp__
00048 #define __Teko_DiagonalPreconditionerFactory_hpp__
00049 
00050 // Teko includes
00051 #include "Teko_PreconditionerState.hpp"
00052 #include "Teko_PreconditionerFactory.hpp"
00053 
00054 class EpetraExt_PointToBlockDiagPermute; 
00055 
00056 
00057 namespace Teko {
00058 
00059 using Thyra::LinearOpBase;
00060 using Thyra::DefaultPreconditioner;
00061 
00062 
00067 class DiagonalPrecondState : public Teko::PreconditionerState {
00068 public:
00069   DiagonalPrecondState();
00070 
00071   Teuchos::RCP<EpetraExt_PointToBlockDiagPermute> BDP_;
00072 };
00073 
00102 class DiagonalPreconditionerFactory 
00103    : public virtual Teko::PreconditionerFactory {
00104 public:
00105 
00107 
00108   
00109   DiagonalPreconditionerFactory();
00110 
00112   
00114   Teuchos::RCP<PreconditionerState> buildPreconditionerState() const;
00115 
00116 
00119   LinearOp buildPreconditionerOperator(LinearOp & lo,PreconditionerState & state) const;
00120 
00122   virtual void initializeFromParameterList(const Teuchos::ParameterList & pl);
00123 
00124 protected: 
00126   mutable Teuchos::ParameterList List_;
00127 
00128   DiagonalType diagonalType_;
00129 };
00130 
00131 } // end namespace Teko
00132 
00133 #endif
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