MueLu_RAPShiftFactory_decl.hpp

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#ifndef MUELU_RAPSHIFTFACTORY_DECL_HPP
#define MUELU_RAPSHIFTFACTORY_DECL_HPP

#include <string>

#include <Xpetra_Matrix_fwd.hpp>
#include <Xpetra_CrsMatrix_fwd.hpp>
#include <Xpetra_MatrixFactory_fwd.hpp>
#include <Xpetra_Vector_fwd.hpp>
#include <Xpetra_VectorFactory_fwd.hpp>

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_RAPShiftFactory_fwd.hpp"

#include "MueLu_FactoryBase_fwd.hpp"
#include "MueLu_Level_fwd.hpp"
#include "MueLu_PerfUtils_fwd.hpp"
#include "MueLu_TwoLevelFactoryBase.hpp"
#include "MueLu_Utilities_fwd.hpp"

namespace MueLu {
  template<class Scalar = DefaultScalar,
           class LocalOrdinal = DefaultLocalOrdinal,
           class GlobalOrdinal = DefaultGlobalOrdinal,
           class Node = DefaultNode>
  class RAPShiftFactory : public TwoLevelFactoryBase {
#undef MUELU_RAPSHIFTFACTORY_SHORT
#include "MueLu_UseShortNames.hpp"

  public:


    RAPShiftFactory();

    virtual ~RAPShiftFactory() { }




    RCP<const ParameterList> GetValidParameterList() const;

    void DeclareInput(Level &fineLevel, Level &coarseLevel) const;



    void Build(Level &fineLevel, Level &coarseLevel) const;



    void SetImplicitTranspose(bool const &implicit) {
      implicitTranspose_ = implicit;
    }

    void SetShifts(std::vector<Scalar>& shifts) {
      shifts_.clear();
      shifts_ = shifts;
    }



    void AddTransferFactory(const RCP<const FactoryBase>& factory);

    // TODO add a function to remove a specific transfer factory?

    size_t NumTransferFactories() const { return transferFacts_.size(); }


  private:

    bool implicitTranspose_;


    std::vector<RCP<const FactoryBase> > transferFacts_;

    // vector of shifting terms
    std::vector<Scalar> shifts_;

  }; //class RAPShiftFactory

} //namespace MueLu

#define MUELU_RAPSHIFTFACTORY_SHORT
#endif // MUELU_RAPSHIFTFACTORY_DECL_HPP