IFPACK Development
Ifpack_Graph_Epetra_RowMatrix.h
00001 /*@HEADER
00002 // ***********************************************************************
00003 //
00004 //       Ifpack: Object-Oriented Algebraic Preconditioner Package
00005 //                 Copyright (2002) 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 // Redistribution and use in source and binary forms, with or without
00011 // modification, are permitted provided that the following conditions are
00012 // met:
00013 //
00014 // 1. Redistributions of source code must retain the above copyright
00015 // notice, this list of conditions and the following disclaimer.
00016 //
00017 // 2. Redistributions in binary form must reproduce the above copyright
00018 // notice, this list of conditions and the following disclaimer in the
00019 // documentation and/or other materials provided with the distribution.
00020 //
00021 // 3. Neither the name of the Corporation nor the names of the
00022 // contributors may be used to endorse or promote products derived from
00023 // this software without specific prior written permission.
00024 //
00025 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00026 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00028 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
00029 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00030 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00031 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00032 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00033 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00034 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00035 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00036 //
00037 // Questions? Contact Michael A. Heroux (maherou@sandia.gov)
00038 //
00039 // ***********************************************************************
00040 //@HEADER
00041 */
00042 
00043 #ifndef IFPACK_GRAPH_EPETRA_ROWMATRIX_H
00044 #define IFPACK_GRAPH_EPETRA_ROWMATRIX_H
00045 
00046 #include "Ifpack_ConfigDefs.h"
00047 #include "Ifpack_Graph.h"
00048 #include "Epetra_RowMatrix.h"
00049 #include "Epetra_Map.h"
00050 #include "Teuchos_RefCountPtr.hpp"
00051 
00052 class Epetra_Comm;
00053 class Epetra_RowMatrix;
00054 
00056 
00066 class Ifpack_Graph_Epetra_RowMatrix : public Ifpack_Graph {
00067 
00068 public:
00069     
00071   Ifpack_Graph_Epetra_RowMatrix(const Teuchos::RefCountPtr<const Epetra_RowMatrix>& RowMatrix);
00072 
00074   virtual ~Ifpack_Graph_Epetra_RowMatrix() {};
00075 
00077   int NumMyRows() const
00078   {
00079     return(NumMyRows_);
00080   }
00081 
00083   int NumMyCols() const
00084   {
00085     return(NumMyCols_);
00086   }
00087 
00088 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00089 
00090   int NumGlobalRows() const
00091   {
00092     if(RowMatrix_->RowMatrixRowMap().GlobalIndicesInt())
00093       return (int) (NumGlobalRows_);
00094     else
00095       throw "Ifpack_Graph_Epetra_RowMatrix::NumGlobalRows: GlobalIndices not int.";
00096   }
00097 #endif
00098   long long NumGlobalRows64() const
00099   {
00100     return(NumGlobalRows_);
00101   }
00102 
00103 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00104 
00105   int NumGlobalCols() const
00106   {
00107     if(RowMatrix_->RowMatrixColMap().GlobalIndicesInt())
00108       return (int) (NumGlobalCols_);
00109     else
00110       throw "Ifpack_Graph_Epetra_RowMatrix::NumGlobalCols: GlobalIndices not int.";
00111   }
00112 #endif
00113   long long NumGlobalCols64() const
00114   {
00115     return(NumGlobalCols_);
00116   }
00117 
00119   int MaxMyNumEntries() const
00120   {
00121     return(MaxNumIndices_);
00122   }
00123 
00125   int NumMyNonzeros() const;
00126 
00128   bool Filled() const;
00129 
00130 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00131 
00132   int GRID(int) const;
00133 #endif
00134   long long GRID64(int) const;
00135 
00136 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00137 
00138   int GCID(int) const;
00139 #endif
00140   long long GCID64(int) const;
00141 
00142 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00143 
00144   int LRID(int) const;
00145 
00147   int LCID(int) const;
00148 #endif
00149 
00150 #ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
00151 
00152   int LRID(long long) const;
00153 
00155   int LCID(long long) const;
00156 #endif
00157 
00159   int ExtractMyRowCopy(int GlobalRow, int LenOfIndices, 
00160                int &NumIndices, int *Indices) const;
00161 
00163   const Epetra_Comm& Comm() const;  
00164   
00166   ostream& Print(std::ostream& os) const;
00167 
00168 private:
00169 
00171   int NumMyRows_;
00173   int NumMyCols_;
00175   long long NumGlobalRows_;
00177   long long NumGlobalCols_;
00179   int MaxNumIndices_;
00181   Teuchos::RefCountPtr<const Epetra_RowMatrix> RowMatrix_;
00183   mutable std::vector<double> Values_;
00184 };
00185 
00186 #endif
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Friends