MueLu_LocalOrdinalTransferFactory_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_LOCALORDINALTRANSFER_FACTORY_DECL_HPP
#define MUELU_LOCALORDINALTRANSFER_FACTORY_DECL_HPP

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_TwoLevelFactoryBase.hpp"
#include "Xpetra_MultiVector_fwd.hpp"
#include "Xpetra_CrsGraph_fwd.hpp"

#include "MueLu_LocalOrdinalTransferFactory_fwd.hpp"

namespace MueLu {

template <class LocalOrdinal  = DefaultLocalOrdinal,
          class GlobalOrdinal = DefaultGlobalOrdinal,
          class Node          = DefaultNode>
class LocalOrdinalTransferFactory : public TwoLevelFactoryBase {
#undef MUELU_LOCALORDINALTRANSFERFACTORY_SHORT
#include "MueLu_UseShortNamesOrdinal.hpp"

 public:


  // Default constructor is distabled
  LocalOrdinalTransferFactory() = delete;

  LocalOrdinalTransferFactory(const std::string &TransferVecName, const std::string &mode)
    : TransferVecName_(TransferVecName) {
    if (mode == "classical")
      useAggregatesMode_ = false;
    else
      useAggregatesMode_ = true;
  }

  virtual ~LocalOrdinalTransferFactory() {}

  RCP<const ParameterList> GetValidParameterList() const;




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




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


 private:
  void BuildAggregates(Level &fineLevel, Level &coarseLevel) const;

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

  bool useAggregatesMode_;

  std::string TransferVecName_;

};  // class LocalOrdinalTransferFactory

}  // namespace MueLu

#define MUELU_LOCALORDINALTRANSFERFACTORY_SHORT
#endif  // MUELU_LOCALORDINALTRANSFER_FACTORY_DECL_HPP