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EpetraExt_Transpose_RowMatrix.h
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00004 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
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00041 
00042 #ifndef EpetraExt_CRSMATRIX_TRANSPOSE_H
00043 #define EpetraExt_CRSMATRIX_TRANSPOSE_H
00044 
00045 #include <EpetraExt_Transform.h>
00046 
00047 class Epetra_RowMatrix;
00048 class Epetra_CrsMatrix;
00049 class Epetra_Map;
00050 class Epetra_Export;
00051 
00052 namespace EpetraExt {
00053 
00055 class RowMatrix_Transpose : public SameTypeTransform<Epetra_RowMatrix>
00056 {
00057 
00058  public:
00059 
00061   ~RowMatrix_Transpose();
00062 
00064 
00070   RowMatrix_Transpose( Epetra_Map * TransposeRowMap = 0,
00071            bool IgnoreNonLocalCols = false)
00072   : TransposeMatrix_(0),
00073     TransposeRowMap_(TransposeRowMap),
00074     IgnoreNonLocalCols_(IgnoreNonLocalCols),
00075     NumMyRows_(0),
00076     NumMyCols_(0),
00077     MaxNumEntries_(0),
00078     Indices_(0),
00079     Values_(0),
00080     OrigMatrixIsCrsMatrix_(false)
00081   {}
00082 
00084   NewTypeRef operator()( OriginalTypeRef orig );
00085 
00087   bool fwd();
00088 
00090   bool rvs();
00091 
00093   void ReleaseTranspose() {TransposeMatrix_=0;}
00094 
00096 
00097   Epetra_CrsMatrix * CreateTransposeLocal( OriginalTypeRef orig );
00098 
00099  private:
00100   Epetra_CrsMatrix * TransposeMatrix_;
00101 
00102   Epetra_Map * TransposeRowMap_;
00103 
00104   bool MakeDataContiguous_;
00105   bool IgnoreNonLocalCols_;
00106 
00107   int NumMyRows_;
00108   int NumMyCols_;
00109   int MaxNumEntries_;
00110   int * Indices_;
00111   double * Values_;
00112 
00113   bool OrigMatrixIsCrsMatrix_;
00114 
00115 };
00116 
00117 } //namespace EpetraExt
00118 
00119 #endif //EpetraExt_ROWMATRIX_TRANSPOSE_H
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