MueLu_SubBlockAFactory_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_SUBBLOCKAFACTORY_DECL_HPP_
#define MUELU_SUBBLOCKAFACTORY_DECL_HPP_

#include <Xpetra_Map_fwd.hpp>
#include <Xpetra_MapExtractor_fwd.hpp>
#include <Xpetra_StridedMap_fwd.hpp>
#include <Xpetra_StridedMapFactory_fwd.hpp>

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_SingleLevelFactoryBase.hpp"
#include "MueLu_SubBlockAFactory_fwd.hpp"

namespace MueLu {

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

 public:


  SubBlockAFactory() = default;

  virtual ~SubBlockAFactory() = default;



  RCP<const ParameterList> GetValidParameterList() const override;

  void DeclareInput(Level& currentLevel) const override;



  void Build(Level& currentLevel) const override;


 private:
  bool CheckForUserSpecifiedBlockInfo(bool bRange, std::vector<size_t>& stridingInfo, LocalOrdinal& stridedBlockId) const;

};  // class SubBlockAFactory

}  // namespace MueLu

#define MUELU_SUBBLOCKAFACTORY_SHORT
#endif /* MUELU_SUBBLOCKAFACTORY_DECL_HPP_ */