Thyra_MueLuPreconditionerFactory_decl.hpp

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#ifndef THYRA_MUELU_PRECONDITIONER_FACTORY_DECL_HPP
#define THYRA_MUELU_PRECONDITIONER_FACTORY_DECL_HPP

#include <MueLu_ConfigDefs.hpp>

#if defined(HAVE_MUELU_STRATIMIKOS) && defined(HAVE_MUELU_THYRA)

// Stratimikos needs Thyra, so we don't need special guards for Thyra here
#include "Thyra_DefaultPreconditioner.hpp"
#include "Thyra_BlockedLinearOpBase.hpp"
#include "Thyra_DiagonalLinearOpBase.hpp"
#include "Thyra_XpetraLinearOp.hpp"
#ifdef HAVE_MUELU_TPETRA
#include "Thyra_TpetraLinearOp.hpp"
#include "Thyra_TpetraThyraWrappers.hpp"
#endif
#ifdef HAVE_MUELU_EPETRA
#include "Thyra_EpetraLinearOp.hpp"
#endif

#include "Teuchos_Ptr.hpp"
#include "Teuchos_TestForException.hpp"
#include "Teuchos_Assert.hpp"
#include "Teuchos_Time.hpp"

#include <Xpetra_CrsMatrixWrap.hpp>
#include <Xpetra_CrsMatrix.hpp>
#include <Xpetra_Matrix.hpp>
#include <Xpetra_ThyraUtils.hpp>

#include <MueLu_Hierarchy.hpp>
#include <MueLu_HierarchyManager.hpp>
#include <MueLu_HierarchyUtils.hpp>
#include <MueLu_Utilities.hpp>
#include <MueLu_ParameterListInterpreter.hpp>
#include <MueLu_MLParameterListInterpreter.hpp>
#include <MueLu_MasterList.hpp>
#include <MueLu_XpetraOperator_decl.hpp> // todo fix me
#include <MueLu_CreateXpetraPreconditioner.hpp>
#ifdef HAVE_MUELU_TPETRA
#include <MueLu_TpetraOperator.hpp>
#include <Xpetra_TpetraHalfPrecisionOperator.hpp>
#endif
#ifdef HAVE_MUELU_EPETRA
#include <MueLu_EpetraOperator.hpp>
#endif

#include "Thyra_PreconditionerFactoryBase.hpp"

#include "KokkosCompat_DefaultNode.hpp"

#include <list>

namespace Thyra {

  using Teuchos::RCP;
  using Teuchos::rcp;

  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  struct Converters {
    static bool replaceWithXpetra(ParameterList& paramList, std::string parameterName);
  };

#ifdef HAVE_MUELU_EPETRA
  template <class GlobalOrdinal>
  struct Converters<double, int, GlobalOrdinal, Kokkos::Compat::KokkosSerialWrapperNode> {
    static bool replaceWithXpetra(ParameterList& paramList, std::string parameterName);
  };
#endif

  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node = KokkosClassic::DefaultNode::DefaultNodeType>
  class MueLuPreconditionerFactory : public PreconditionerFactoryBase<Scalar> {
  public:


    MueLuPreconditionerFactory();


    bool isCompatible(const LinearOpSourceBase<Scalar>& fwdOp) const;
    Teuchos::RCP<PreconditionerBase<Scalar> > createPrec() const;
    void initializePrec(const Teuchos::RCP<const LinearOpSourceBase<Scalar> >& fwdOp,
                        PreconditionerBase<Scalar>* prec,
                        const ESupportSolveUse supportSolveUse
                       ) const;
    void uninitializePrec(PreconditionerBase<Scalar>* prec,
                          Teuchos::RCP<const LinearOpSourceBase<Scalar> >* fwdOp,
                          ESupportSolveUse* supportSolveUse
                         ) const;



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


    std::string description() const;

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


  private:

    //Teuchos::RCP<MueLu::Hierarchy<Scalar,LocalOrdinal,GlobalOrdinal,Node> > CreateXpetraPreconditioner(Teuchos::RCP<Xpetra::Matrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> > op, const Teuchos::ParameterList& paramList, Teuchos::RCP<Xpetra::MultiVector<typename Teuchos::ScalarTraits<Scalar>::magnitudeType, LocalOrdinal, GlobalOrdinal, Node> > coords, Teuchos::RCP<Xpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> > nullspace) const;

    Teuchos::RCP<Teuchos::ParameterList> paramList_;

  };

} // namespace Thyra

#endif // #ifdef HAVE_MUELU_STRATIMIKOS

#endif // THYRA_MUELU_PRECONDITIONER_FACTORY_DECL_HPP