MueLu_BlockedRAPFactory_decl.hpp

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#ifndef MUELU_BLOCKEDRAPFACTORY_DECL_HPP
#define MUELU_BLOCKEDRAPFACTORY_DECL_HPP
 
#include <Xpetra_Matrix_fwd.hpp>
#include <Xpetra_CrsMatrix_fwd.hpp>
#include <Xpetra_BlockedCrsMatrix_fwd.hpp>
#include <Xpetra_MatrixFactory_fwd.hpp>
 
#include "MueLu_ConfigDefs.hpp"
#include "MueLu_RAPFactory_fwd.hpp"
 
#include "MueLu_Level_fwd.hpp"
#include "MueLu_FactoryBase_fwd.hpp"
#include "MueLu_PerfUtils_fwd.hpp"
#include "MueLu_TwoLevelFactoryBase.hpp"
 
namespace MueLu {
  template <class Scalar = DefaultScalar,
            class LocalOrdinal = DefaultLocalOrdinal,
            class GlobalOrdinal = DefaultGlobalOrdinal,
            class Node = DefaultNode>
  class BlockedRAPFactory : public TwoLevelFactoryBase {
#undef MUELU_BLOCKEDRAPFACTORY_SHORT
#include "MueLu_UseShortNames.hpp"
 
  public:

 
    BlockedRAPFactory();
 
    virtual ~BlockedRAPFactory() = default;


 
    RCP<const ParameterList> GetValidParameterList() const override;
 
    void DeclareInput(Level &fineLevel, Level &coarseLevel) const override;



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



    void SetRepairZeroDiagonal(bool const &repair) {
      repairZeroDiagonals_ = repair;
      if(repair) checkAc_ = true; // make sure that plausibility check is performed. Otherwise SetRepairZeroDiagonal(true) has no effect.
    }

    void SetPlausibilityCheck(bool const &check) {
      checkAc_ = check;
    }


    void AddTransferFactory(const RCP<const FactoryBase>& factory);
 
    // TODO add a function to remove a specific transfer factory?

    size_t NumTransferFactories() const { return transferFacts_.size(); }

 
  private:

    static void CheckMainDiagonal(RCP<BlockedCrsMatrix> & bAc, bool repairZeroDiagonals = false);

    bool checkAc_;

    bool repairZeroDiagonals_;


    std::vector<RCP<const FactoryBase> > transferFacts_;

 
  }; //class BlockedRAPFactory
 
} //namespace MueLu
 
#define MUELU_BLOCKEDRAPFACTORY_SHORT
#endif // MUELU_BLOCKEDRAPFACTORY_DECL_HPP