MueLu_InverseApproximationFactory_decl.hpp

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#ifndef MUELU_INVERSEAPPROXIMATIONFACTORY_DECL_HPP_
#define MUELU_INVERSEAPPROXIMATIONFACTORY_DECL_HPP_

#include "MueLu_ConfigDefs.hpp"

#include <Teuchos_ParameterList.hpp>

#include <Xpetra_CrsMatrix_fwd.hpp>
#include <Xpetra_CrsMatrixWrap_fwd.hpp>
#include <Xpetra_MapExtractor_fwd.hpp>
#include <Xpetra_Map_fwd.hpp>
#include <Xpetra_StridedMap_fwd.hpp>

#include "MueLu_FactoryBase_fwd.hpp"
#include "MueLu_FactoryManagerBase_fwd.hpp"
#include "MueLu_SingleLevelFactoryBase.hpp"
#include "MueLu_SmootherBase_fwd.hpp"
#include "MueLu_ThresholdAFilterFactory_fwd.hpp"
#include "MueLu_Utilities_fwd.hpp"

namespace MueLu {

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

  public:


    InverseApproximationFactory() = default;



    void DeclareInput(Level& currentLevel) const;

    RCP<const ParameterList> GetValidParameterList() const;



    void Build(Level& currentLevel) const;


  private:
    RCP<Matrix> GetSparseInverse(const RCP<Matrix>& A, const RCP<const CrsGraph>& sparsityPattern) const;

  }; // class InverseApproximationFactory

} // namespace MueLu

#define MUELU_INVERSEAPPROXIMATIONFACTORY_SHORT
#endif /* MUELU_INVERSEAPPROXIMATIONFACTORY_DECL_HPP_ */