MueLu_EpetraOperator.hpp

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#ifndef MUELU_EPETRAOPERATOR_HPP
#define MUELU_EPETRAOPERATOR_HPP


#include <Epetra_Operator.h>
#include "MueLu_Hierarchy.hpp"
//TODO: Kokkos headers

#if defined(HAVE_MUELU_SERIAL) and defined(HAVE_MUELU_EPETRA)

namespace MueLu {

  class EpetraOperator : public Epetra_Operator {
    typedef double              SC;
    typedef int                 LO;
    typedef int                 GO;
    typedef Xpetra::EpetraNode  NO;

    typedef Xpetra::Matrix<SC,LO,GO,NO>                     Matrix;
    typedef MueLu::Hierarchy<SC,LO,GO,NO>                   Hierarchy;
    typedef MueLu::Utilities<SC,LO,GO,NO>                       Utils;

  public:



    EpetraOperator(const RCP<Hierarchy>& H) : Hierarchy_(H) { }

    virtual ~EpetraOperator() { }


    int SetUseTranspose(bool /* UseTransposeBool */) { return -1; }




    int Apply(const Epetra_MultiVector& /* X */, Epetra_MultiVector& /* Y */) const { return -1; }


    int ApplyInverse(const Epetra_MultiVector& X, Epetra_MultiVector& Y) const;

    /* Returns the quantity \f$ \| A \|_\infty\f$ such that
       \f[\| A \|_\infty = \max_{1\lei\lem} \sum_{j=1}^n |a_{ij}| \f].

       \warning This method must not be called unless HasNormInf() returns true.
    */
    double NormInf() const { return 0; }



    const char * Label() const { return "MueLu::Hierarchy"; }

    bool UseTranspose() const { return false; }

    bool HasNormInf() const { return 0; }

    const Epetra_Comm & Comm() const;

    const Epetra_Map & OperatorDomainMap() const;

    const Epetra_Map & OperatorRangeMap() const;




    RCP<Hierarchy> GetHierarchy() const { return Hierarchy_; }



  private:

    RCP<Hierarchy> Hierarchy_;

  };

} // namespace

#endif // HAVE_MUELU_EPETRA and HAVE_MUELU_SERIAL

#endif // MUELU_EPETRAOPERATOR_HPP