MueLu_SemiCoarsenPFactory_kokkos_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_SEMICOARSENPFACTORY_KOKKOS_DECL_HPP
#define MUELU_SEMICOARSENPFACTORY_KOKKOS_DECL_HPP

#include <Xpetra_Matrix_fwd.hpp>

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_Level_fwd.hpp"
#include "MueLu_PFactory.hpp"
#include "MueLu_SemiCoarsenPFactory_kokkos_fwd.hpp"

namespace MueLu {

template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
class SemiCoarsenPFactory_kokkos : public PFactory {
 public:
  typedef LocalOrdinal local_ordinal_type;
  typedef GlobalOrdinal global_ordinal_type;
  typedef typename Node::execution_space execution_space;
  typedef typename Node::device_type DeviceType;
  typedef Node node_type;

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

 public:


  SemiCoarsenPFactory_kokkos()
    : bTransferCoordinates_(false) {}

  virtual ~SemiCoarsenPFactory_kokkos() = default;

  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;


  void BuildSemiCoarsenP(Level &coarseLevel, const LO NFRows, const LO NFNodes,
                         const LO DofsPerNode, const LO NFLayers,
                         const LO NCLayers, const ArrayRCP<LO> LayerId,
                         const ArrayRCP<LO> VertLineId, const RCP<Matrix> &Amat,
                         const RCP<MultiVector> fineNullspace, RCP<Matrix> &P,
                         RCP<MultiVector> &coarseNullspace) const;

  // boolean which is true if coordinate information is available to be
  // transferred to coarse coordinate information
  mutable bool bTransferCoordinates_;
};  // class SemiCoarsenPFactory_kokkos

}  // namespace MueLu

#define MUELU_SEMICOARSENPFACTORY_KOKKOS_SHORT
#endif  // MUELU_SEMICOARSENPFACTORY_KOKKOS_DECL_HPP