MueLu_ZoltanInterface_decl.hpp

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#ifndef MUELU_ZOLTANINTERFACE_DECL_HPP
#define MUELU_ZOLTANINTERFACE_DECL_HPP
 
#include "MueLu_ConfigDefs.hpp"
 
#if defined(HAVE_MUELU_ZOLTAN) && defined(HAVE_MPI)
 
#include <zoltan_cpp.h>
 
#include <Xpetra_Matrix_fwd.hpp>
#include <Xpetra_VectorFactory_fwd.hpp>
 
#include "MueLu_SingleLevelFactoryBase.hpp"
#include "MueLu_ZoltanInterface_fwd.hpp"
 
#include "MueLu_Level_fwd.hpp"
#include "MueLu_FactoryBase_fwd.hpp"
 
namespace MueLu {

 
  //FIXME: this class should not be templated
  template <class Scalar,
            class LocalOrdinal = DefaultLocalOrdinal,
            class GlobalOrdinal = DefaultGlobalOrdinal,
            class Node = DefaultNode>
  class ZoltanInterface : public SingleLevelFactoryBase {
#undef MUELU_ZOLTANINTERFACE_SHORT
#include "MueLu_UseShortNames.hpp"
 
  public:



    ZoltanInterface() {}

    virtual ~ZoltanInterface() { }
 
    RCP<const ParameterList> GetValidParameterList() const;


    void DeclareInput(Level& level) const;


    void Build(Level& level) const;




    static int GetLocalNumberOfRows(void *data, int *ierr);

    static void GetLocalNumberOfNonzeros(void *data, int NumGidEntries, int NumLidEntries, ZOLTAN_ID_PTR gids,
                                         ZOLTAN_ID_PTR lids, int wgtDim, float *weights, int *ierr);

    static int GetProblemDimension(void *data, int *ierr);
 

    static void GetProblemGeometry(void *data, int numGIDEntries, int numLIDEntries, int numObjectIDs,
                                   ZOLTAN_ID_PTR gids, ZOLTAN_ID_PTR lids, int dim, double *coordinates, int *ierr);

 
  private:
 
    static ArrayRCP<typename Teuchos::ScalarTraits<Scalar>::magnitudeType> coalesceCoordinates(ArrayRCP<typename Teuchos::ScalarTraits<Scalar>::magnitudeType> coord, LocalOrdinal blksize);
 
  };  //class ZoltanInterface
 
} //namespace MueLu
 
#define MUELU_ZOLTANINTERFACE_SHORT
#endif //if defined(HAVE_MUELU_ZOLTAN) && defined(HAVE_MPI)
 
#endif // MUELU_ZOLTANINTERFACE_DECL_HPP