EpetraExt_Transpose_RowMatrix.h

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00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
00005 //                 Copyright (2001) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef EpetraExt_CRSMATRIX_TRANSPOSE_H
00030 #define EpetraExt_CRSMATRIX_TRANSPOSE_H
00031 
00032 #include <EpetraExt_Transform.h>
00033 
00034 class Epetra_RowMatrix;
00035 class Epetra_CrsMatrix;
00036 class Epetra_Map;
00037 class Epetra_Export;
00038 
00039 namespace EpetraExt {
00040 
00042 class RowMatrix_Transpose : public SameTypeTransform<Epetra_RowMatrix>
00043 {
00044 
00045  public:
00046 
00048   ~RowMatrix_Transpose();
00049 
00051 
00059   RowMatrix_Transpose( bool MakeDataContiguous = false,
00060            Epetra_Map * TransposeRowMap = 0,
00061            bool IgnoreNonLocalCols = false)
00062   : TransposeMatrix_(0),
00063     TransposeExporter_(0),
00064     TransposeRowMap_(TransposeRowMap),
00065     MakeDataContiguous_(MakeDataContiguous),
00066     IgnoreNonLocalCols_(IgnoreNonLocalCols),
00067     NumMyRows_(0),
00068     NumMyCols_(0),
00069     MaxNumEntries_(0),
00070     Indices_(0),
00071     Values_(0),
00072     TransNumNz_(0),
00073     TransIndices_(0),
00074     TransValues_(0),
00075     TransMyGlobalEquations_(0),
00076     OrigMatrixIsCrsMatrix_(false)
00077   {}
00078 
00080   NewTypeRef operator()( OriginalTypeRef orig );
00081 
00083   bool fwd();
00084 
00086   bool rvs();
00087 
00088  private:
00089 
00090   Epetra_CrsMatrix * TransposeMatrix_;
00091 
00092   Epetra_Export * TransposeExporter_;
00093 
00094   Epetra_Map * TransposeRowMap_;
00095 
00096   bool MakeDataContiguous_;
00097   bool IgnoreNonLocalCols_;
00098 
00099   int NumMyRows_;
00100   int NumMyCols_;
00101   int MaxNumEntries_;
00102   int * Indices_;
00103   double * Values_;
00104 
00105   int * TransNumNz_;
00106   int ** TransIndices_;
00107   double ** TransValues_;
00108   int * TransMyGlobalEquations_;
00109 
00110   bool OrigMatrixIsCrsMatrix_;
00111 
00112 };
00113 
00114 } //namespace EpetraExt
00115 
00116 #endif //EpetraExt_ROWMATRIX_TRANSPOSE_H

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