MueLu_SmootherFactory_decl.hpp

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#ifndef MUELU_SMOOTHERFACTORY_DECL_HPP
#define MUELU_SMOOTHERFACTORY_DECL_HPP

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_SmootherFactory_fwd.hpp"

#include "MueLu_SmootherFactoryBase.hpp"

#include "MueLu_Level_fwd.hpp"
#include "MueLu_SmootherPrototype_fwd.hpp"
#include "MueLu_SmootherBase_fwd.hpp"
#include "MueLu_Ifpack2Smoother_fwd.hpp"

namespace MueLu {

  template <class Scalar = double,
            class LocalOrdinal = int,
            class GlobalOrdinal = LocalOrdinal,
            class Node = KokkosClassic::DefaultNode::DefaultNodeType>
  class SmootherFactory : public SmootherFactoryBase {
  public:
    typedef Scalar scalar_type;
    typedef LocalOrdinal local_ordinal_type;
    typedef GlobalOrdinal global_ordinal_type;
    typedef Node node_type;

  private:
#undef MUELU_SMOOTHERFACTORY_SHORT
#include "MueLu_UseShortNames.hpp"

  public:


    //Note: Teuchos::null as parameter allowed (= no smoother)
    //Note: precondition: input smoother must not be Setup()
    SmootherFactory(RCP<SmootherPrototype> preAndPostSmootherPrototype = Teuchos::null);

    SmootherFactory(RCP<SmootherPrototype> preSmootherPrototype, RCP<SmootherPrototype> postSmootherPrototype);

    virtual ~SmootherFactory() { }



    void SetSmootherPrototypes(RCP<SmootherPrototype> preAndPostSmootherPrototype);

    void SetSmootherPrototypes(RCP<SmootherPrototype> preSmootherPrototype, RCP<SmootherPrototype> postSmootherPrototype);

    void GetSmootherPrototypes(RCP<SmootherPrototype>& preSmootherPrototype, RCP<SmootherPrototype>& postSmootherPrototype) const;



    RCP<const ParameterList> GetValidParameterList() const;

    void DeclareInput(Level& currentLevel) const;




    void Build(Level& currentLevel) const;

    void BuildSmoother(Level& currentLevel, const PreOrPost preOrPost = BOTH) const; // Build()





    std::string description() const;

    using MueLu::Describable::describe; // overloading, not hiding
    void describe(Teuchos::FancyOStream& out, const VerbLevel verbLevel = Default) const;


  private:
    RCP<SmootherPrototype> preSmootherPrototype_;
    RCP<SmootherPrototype> postSmootherPrototype_;

    void CheckPrototypes() const;


  }; // class SmootherFactory

} // namespace MueLu

//TODO: doc: setup done twice if PostSmoother object != PreSmoother object and no adv. reused capability
#define MUELU_SMOOTHERFACTORY_SHORT
#endif // MUELU_SMOOTHERFACTORY_DECL_HPP