Ifpack_AMDReordering.h

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//       Ifpack: Object-Oriented Algebraic Preconditioner Package
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#ifndef IFPACK_AMDREORDERING_H
#define IFPACK_AMDREORDERING_H
 
#if defined(Ifpack_SHOW_DEPRECATED_WARNINGS)
#ifdef __GNUC__
#warning "The Ifpack package is deprecated"
#endif
#endif
 
#include "Ifpack_ConfigDefs.h"
#include "Ifpack_Reordering.h"
 
namespace Teuchos {
  class ParameterList;
}
class Ifpack_Graph;
class Epetra_MultiVector;
class Epetra_RowMatrix;
 
 
class Ifpack_AMDReordering : public Ifpack_Reordering {
 
public:
 
  Ifpack_AMDReordering();
 
  Ifpack_AMDReordering(const Ifpack_AMDReordering& RHS);
 
  Ifpack_AMDReordering& operator=(const Ifpack_AMDReordering& RHS);
 
  virtual ~Ifpack_AMDReordering() {};
 
  int SetParameter(const std::string Name, const int Value);
 
  int SetParameter(const std::string Name, const double Value);
 
  int SetParameters(Teuchos::ParameterList& List);
 
  int Compute(const Ifpack_Graph& Graph);
 
  int Compute(const Epetra_RowMatrix& Matrix);
 
  bool IsComputed() const
  {
    return(IsComputed_);
  }
 
  int Reorder(const int i) const;
 
  int InvReorder(const int i) const;
 
  int P(const Epetra_MultiVector& Xorig,
        Epetra_MultiVector& Xreord) const;
 
  int Pinv(const Epetra_MultiVector& Xorig,
           Epetra_MultiVector& Xinvreord) const;
 
 
  std::ostream& Print(std::ostream& os) const;
 
  int NumMyRows() const
  {
    return(NumMyRows_);
  }
 
private:
  int NumMyRows_;
  bool IsComputed_;
  std::vector<int> Reorder_;
  std::vector<int> InvReorder_;
};
 
#endif