Isorropia_EpetraOperator.hpp

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/*
************************************************************************

              Isorropia: Partitioning and Load Balancing Package
                Copyright (2006) Sandia Corporation

Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
license for use of this work by or on behalf of the U.S. Government.

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#ifndef _Isorropia_EpetraOperator_hpp_
#define _Isorropia_EpetraOperator_hpp_

#include <Isorropia_ConfigDefs.hpp>
#include <Teuchos_RCP.hpp>
#include <Teuchos_ParameterList.hpp>

#include <Isorropia_EpetraCostDescriber.hpp>
#include <Isorropia_Operator.hpp>
#include <Isorropia_EpetraLibrary.hpp>

#ifdef HAVE_EPETRA
class Epetra_Map;
class Epetra_BlockMap;
class Epetra_Import;
class Epetra_Vector;
class Epetra_MultiVector;
class Epetra_CrsGraph;
class Epetra_CrsMatrix;
class Epetra_RowMatrix;
class Epetra_LinearProblem;

namespace Isorropia {

namespace Epetra {
  class CostDescriber;

class Operator : virtual public Isorropia::Operator {
public:
  Operator(Teuchos::RCP<const Epetra_CrsGraph> input_graph,
              const Teuchos::ParameterList& paramlist);

  Operator (Teuchos::RCP<const Epetra_CrsGraph> input_graph,
              Teuchos::RCP<CostDescriber> costs,
              const Teuchos::ParameterList& paramlist);

  Operator(Teuchos::RCP<const Epetra_RowMatrix> input_matrix,
     const Teuchos::ParameterList& paramlist);

  Operator(Teuchos::RCP<const Epetra_RowMatrix> input_matrix,
     Teuchos::RCP<CostDescriber> costs,
     const Teuchos::ParameterList& paramlist);

  virtual ~Operator();

  void setParameters(const Teuchos::ParameterList& paramlist);

  virtual void compute(bool force_compute) = 0 ; /* Make the class virtual, must be implemented in child class */

  bool alreadyComputed() const {
    return operation_already_computed_;
  }

  int numProperties() const {
    return (numberOfProperties_);
  }

  virtual const int& operator[](int myElem) const;

  virtual int numElemsWithProperty(int property) const;

  virtual void elemsWithProperty(int property,
       int* elementList,
       int len) const;

private:

  void paramsToUpper(Teuchos::ParameterList &, int &changed);
  void stringToUpper(std::string &s, int &changed);
  int numberOfProperties_;
  std::vector<int> numberElemsByProperties_;

protected:
  Teuchos::RCP<const Epetra_BlockMap> input_map_;
  Teuchos::RCP<const Epetra_CrsGraph> input_graph_;
  Teuchos::RCP<const Epetra_RowMatrix> input_matrix_;
  Teuchos::RCP<Isorropia::Epetra::CostDescriber> costs_;
  Teuchos::RCP<Epetra_Vector> weights_;

  Teuchos::ParameterList paramlist_;

//   std::map<int,int> exports_, imports_;
  int exportsSize_;
  std::vector<int> imports_;
  std::vector<int> properties_;

  bool operation_already_computed_;

  int global_num_vertex_weights_;
  int global_num_graph_edge_weights_;
  int global_num_hg_edge_weights_;

  Teuchos::RCP<Library> lib_;

  void computeNumberOfProperties();
};//class Operator

}//namespace Epetra
}//namespace Isorropia

#endif //HAVE_EPETRA

#endif