MueLu_TentativePFactory_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_TENTATIVEPFACTORY_DECL_HPP
#define MUELU_TENTATIVEPFACTORY_DECL_HPP

#include <Teuchos_ScalarTraits.hpp>
#include <Teuchos_SerialDenseMatrix.hpp>
#include <Teuchos_SerialQRDenseSolver.hpp>

#include <Xpetra_CrsGraphFactory_fwd.hpp>
#include <Xpetra_CrsMatrix_fwd.hpp>
#include <Xpetra_Matrix_fwd.hpp>
#include <Xpetra_MultiVector_fwd.hpp>
#include <Xpetra_MapFactory_fwd.hpp>
#include <Xpetra_Map_fwd.hpp>
#include <Xpetra_MultiVectorFactory_fwd.hpp>
#include <Xpetra_Import_fwd.hpp>
#include <Xpetra_ImportFactory_fwd.hpp>
#include <Xpetra_CrsMatrixWrap_fwd.hpp>

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_TentativePFactory_fwd.hpp"

#include "MueLu_Aggregates_fwd.hpp"
#include "MueLu_AmalgamationFactory_fwd.hpp"
#include "MueLu_AmalgamationInfo_fwd.hpp"
#include "MueLu_CoarseMapFactory_fwd.hpp"
#include "MueLu_Level_fwd.hpp"
#include "MueLu_PerfUtils_fwd.hpp"
#include "MueLu_PFactory.hpp"
#include "MueLu_Utilities_fwd.hpp"

namespace MueLu {

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

 public:


  TentativePFactory() {}

  virtual ~TentativePFactory() {}

  RCP<const ParameterList> GetValidParameterList() const;



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




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


 private:
  void BuildPuncoupled(RCP<Matrix> A, RCP<Aggregates> aggregates, RCP<AmalgamationInfo> amalgInfo, RCP<MultiVector> fineNullspace,
                       RCP<const Map> coarseMap, RCP<Matrix>& Ptentative, RCP<MultiVector>& coarseNullspace, const int levelID) const;
  void BuildPcoupled(RCP<Matrix> A, RCP<Aggregates> aggregates, RCP<AmalgamationInfo> amalgInfo, RCP<MultiVector> fineNullspace,
                     RCP<const Map> coarseMap, RCP<Matrix>& Ptentative, RCP<MultiVector>& coarseNullspace) const;
  void BuildPuncoupledBlockCrs(RCP<Matrix> A, RCP<Aggregates> aggregates, RCP<AmalgamationInfo> amalgInfo, RCP<MultiVector> fineNullspace,
                               RCP<const Map> coarseMap, RCP<Matrix>& Ptentative, RCP<MultiVector>& coarseNullspace, const int levelID) const;

  mutable bool bTransferCoordinates_ = false;

};  // class TentativePFactory

}  // namespace MueLu

// TODO: noQR_

#define MUELU_TENTATIVEPFACTORY_SHORT
#endif  // MUELU_TENTATIVEPFACTORY_DECL_HPP