MueLu_AggregationPhase1Algorithm_decl.hpp

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#ifndef MUELU_AGGREGATIONPHASE1ALGORITHM_DECL_HPP_
#define MUELU_AGGREGATIONPHASE1ALGORITHM_DECL_HPP_

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_AggregationAlgorithmBase.hpp"
#include "MueLu_AggregationPhase1Algorithm_fwd.hpp"

#include "MueLu_FactoryBase_fwd.hpp"
#include "MueLu_Aggregates_fwd.hpp"
#include "MueLu_GraphBase.hpp"

namespace MueLu {
  template <class LocalOrdinal = DefaultLocalOrdinal,
            class GlobalOrdinal = DefaultGlobalOrdinal,
            class Node = DefaultNode>
  class AggregationPhase1Algorithm :
    public MueLu::AggregationAlgorithmBase<LocalOrdinal,GlobalOrdinal,Node> {
#undef MUELU_AGGREGATIONPHASE1ALGORITHM_SHORT
#include "MueLu_UseShortNamesOrdinal.hpp"

  public:


    AggregationPhase1Algorithm(const RCP<const FactoryBase>& /* graphFact */ = Teuchos::null) { }

    virtual ~AggregationPhase1Algorithm() { }





    void BuildAggregates(const ParameterList& params, const GraphBase& graph, Aggregates& aggregates, std::vector<unsigned>& aggStat, LO& numNonAggregatedNodes) const;

    std::string description() const { return "Phase 1 (main)"; }

  private:

    void RandomReorder(ArrayRCP<LO> list) const;

    int RandomOrdinal(int min, int max) const;

  };

} //namespace MueLu

#define MUELU_AGGREGATIONPHASE1ALGORITHM_SHORT
#endif /* MUELU_AGGREGATIONPHASE1ALGORITHM_DECL_HPP_ */