MueLu_BlockedPFactory_decl.hpp

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// @HEADER
// *****************************************************************************
//        MueLu: A package for multigrid based preconditioning
//
// Copyright 2012 NTESS and the MueLu contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef MUELU_BLOCKEDPFACTORY_DECL_HPP_
#define MUELU_BLOCKEDPFACTORY_DECL_HPP_

#include <set>
#include <Xpetra_MapExtractorFactory_fwd.hpp>
#include <Xpetra_Matrix_fwd.hpp>

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_PFactory.hpp"
#include "MueLu_TentativePFactory_fwd.hpp"
#include "MueLu_FactoryManagerBase_fwd.hpp"

namespace MueLu {

template <class Scalar        = DefaultScalar,
          class LocalOrdinal  = DefaultLocalOrdinal,
          class GlobalOrdinal = DefaultGlobalOrdinal,
          class Node          = DefaultNode>
class BlockedPFactory : public PFactory {
#undef MUELU_BLOCKEDPFACTORY_SHORT
#include "MueLu_UseShortNames.hpp"
 public:


  BlockedPFactory(/*RCP<FactoryBase> AFact = Teuchos::null*/)
    : diagonalView_("current") {}

  virtual ~BlockedPFactory() {}

  RCP<const ParameterList> GetValidParameterList() const;




  void SetDiagonalView(std::string const &diagView) { diagonalView_ = diagView; }

  void AddFactoryManager(RCP<const FactoryManagerBase> FactManager) { FactManager_.push_back(FactManager); }




  std::string GetDiagonalView() { return diagonalView_; }




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



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

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


 private:
  bool areGidsUnique(const std::vector<GO> &X) const {
    std::set<GO> Y(X.begin(), X.end());
    return X.size() == Y.size();
  }

  std::vector<Teuchos::RCP<const FactoryManagerBase> > FactManager_;

  std::string diagonalView_;
};

}  // namespace MueLu

#define MUELU_BLOCKEDPFACTORY_SHORT
#endif /* MUELU_BLOCKEDPFACTORY_DECL_HPP_ */