MueLu_CoupledAggregationFactory_decl.hpp

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#ifndef MUELU_COUPLEDAGGREGATIONFACTORY_DECL_HPP
#define MUELU_COUPLEDAGGREGATIONFACTORY_DECL_HPP

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_SingleLevelFactoryBase.hpp"
#include "MueLu_CoupledAggregationFactory_fwd.hpp"

#include "MueLu_LocalAggregationAlgorithm.hpp"
#include "MueLu_LeftoverAggregationAlgorithm.hpp"
#include "MueLu_Level_fwd.hpp"
#include "MueLu_AmalgamationInfo_fwd.hpp"
#include "MueLu_Exceptions.hpp"

namespace MueLu {

  /* Factory input:
     - a graph ("Graph") generated by GraphFact_

     Factory output:
     - aggregates ("Aggegates")

     Factory options:
     -
     -
     -
  */

  template <class LocalOrdinal = int,
            class GlobalOrdinal = LocalOrdinal,
            class Node = KokkosClassic::DefaultNode::DefaultNodeType>
  class CoupledAggregationFactory : public SingleLevelFactoryBase {
#undef MUELU_COUPLEDAGGREGATIONFACTORY_SHORT
#include "MueLu_UseShortNamesOrdinal.hpp"

  public:


    CoupledAggregationFactory();

    virtual ~CoupledAggregationFactory() { }




    // Options algo1
    void SetOrdering(const std::string& ordering) { algo1_.SetOrdering(ordering); }
    void SetMaxNeighAlreadySelected(int maxNeighAlreadySelected) { algo1_.SetMaxNeighAlreadySelected(maxNeighAlreadySelected); }
    const std::string& GetOrdering() const { return algo1_.GetOrdering(); }
    int GetMaxNeighAlreadySelected() const { return algo1_.GetMaxNeighAlreadySelected(); }

    // Options algo2
    void SetPhase3AggCreation(double phase3AggCreation) { algo2_.SetPhase3AggCreation(phase3AggCreation); }
    double GetPhase3AggCreation() const { return algo2_.GetPhase3AggCreation(); }

    // Options shared algo1 and algo2
    void SetMinNodesPerAggregate(int minNodesPerAggregate) { algo1_.SetMinNodesPerAggregate(minNodesPerAggregate); algo2_.SetMinNodesPerAggregate(minNodesPerAggregate); }
    int GetMinNodesPerAggregate() const { return algo1_.GetMinNodesPerAggregate(); //TEUCHOS_TEST_FOR_EXCEPTION(algo2_.GetMinNodesPerAggregate() != algo1_.GetMinNodesPerAggregate(), Exceptions::RuntimeError, "");
    }




    void DeclareInput(Level &currentLevel) const;




    void Build(Level &currentLevel) const;


  private:

    LocalAggregationAlgorithm algo1_;
    LeftoverAggregationAlgorithm algo2_;

  }; // class CoupledAggregationFactory

} //namespace MueLu

//TODO: can be more generic:
// - allow to choose algo
// - base class for algorithm and options forward to algorithm as parameter list

#define MUELU_COUPLEDAGGREGATIONFACTORY_SHORT
#endif // MUELU_COUPLEDAGGREGATIONFACTORY_DECL_HPP