EpetraExt_BTF_CrsMatrix.h

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// 
//     EpetraExt: Epetra Extended - Linear Algebra Services Package
//                 Copyright (2001) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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#ifndef EpetraExt_CRSMATRIX_BTF_H
#define EpetraExt_CRSMATRIX_BTF_H

#include <EpetraExt_Transform.h>

class Epetra_CrsMatrix;
class Epetra_CrsGraph;
class Epetra_Map;
class Epetra_Import;

namespace EpetraExt {

class CrsMatrix_BTF : public SameTypeTransform<Epetra_CrsMatrix> {

 public:

  ~CrsMatrix_BTF();

  CrsMatrix_BTF( double thres = 0.0,
                 bool verbose = false )
  : NewRowMap_(0),
    NewColMap_(0),
    NewMatrix_(0),
    NewGraph_(0),
    Importer_(0),
    threshold_(thres),
    verbose_(verbose)
  {}

  NewTypeRef operator()( OriginalTypeRef orig );

  bool fwd();
  bool rvs();

 private:

  Epetra_Map * NewRowMap_;
  Epetra_Map * NewColMap_;
  
  Epetra_CrsMatrix * NewMatrix_;
  Epetra_CrsGraph * NewGraph_;

  Epetra_Import * Importer_;

  const double threshold_;

  const bool verbose_;
};

} //namespace EpetraExt

#endif //EpetraExt_CRSMATRIX_BTF_H

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