Thyra_MLPreconditionerFactory.hpp

/*@HEADER
// ***********************************************************************
// 
//       Ifpack: Object-Oriented Algebraic Preconditioner Package
//                 Copyright (2002) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
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// This library is free software; you can redistribute it and/or modify
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// You should have received a copy of the GNU Lesser General Public
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#ifndef THYRA_ML_PRECONDITIONER_FACTORY_DECL_HPP
#define THYRA_ML_PRECONDITIONER_FACTORY_DECL_HPP


#include "Thyra_PreconditionerFactoryBase.hpp"
#include "Thyra_EpetraOperatorViewExtractorBase.hpp"
#include "Teuchos_StandardCompositionMacros.hpp"

namespace Thyra {


class MLPreconditionerFactory : public PreconditionerFactoryBase<double> {
public:


  MLPreconditionerFactory();
    
  STANDARD_COMPOSITION_MEMBERS(
    EpetraOperatorViewExtractorBase, epetraFwdOpViewExtractor );



  bool isCompatible( const LinearOpSourceBase<double> &fwdOp ) const;
  bool applySupportsConj(EConj conj) const;
  bool applyTransposeSupportsConj(EConj conj) const;
  Teuchos::RefCountPtr<PreconditionerBase<double> > createPrec() const;
  void initializePrec(
    const Teuchos::RefCountPtr<const LinearOpSourceBase<double> > &fwdOp,
    PreconditionerBase<double> *prec,
    const ESupportSolveUse supportSolveUse
    ) const;
  void uninitializePrec(
    PreconditionerBase<double> *prec
    ,Teuchos::RefCountPtr<const LinearOpSourceBase<double> > *fwdOp
    ,ESupportSolveUse *supportSolveUse
    ) const;



  void setParameterList(
    Teuchos::RefCountPtr<Teuchos::ParameterList> const& paramList);
  Teuchos::RefCountPtr<Teuchos::ParameterList> getParameterList();
  Teuchos::RefCountPtr<Teuchos::ParameterList> unsetParameterList();
  Teuchos::RefCountPtr<const Teuchos::ParameterList> getParameterList() const;
  Teuchos::RefCountPtr<const Teuchos::ParameterList> getValidParameters() const;


  std::string description() const;

  // ToDo: Add an override of describe(...) to give more detail!


private:

  Teuchos::RefCountPtr<Teuchos::ParameterList> paramList_;

};


} // namespace Thyra


#endif // THYRA_ML_PRECONDITIONER_FACTORY_DECL_HPP

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