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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
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef EPETRAEXT_MMHELPERS_H
#define EPETRAEXT_MMHELPERS_H
#include <EpetraExt_ConfigDefs.h>
#include <set>
#include <map>
class Epetra_Map;
class Epetra_CrsMatrix;
namespace EpetraExt {
//struct that holds views of the contents of a CrsMatrix. These
//contents may be a mixture of local and remote rows of the
//actual matrix.
class CrsMatrixStruct {
public:
CrsMatrixStruct();
virtual ~CrsMatrixStruct();
void deleteContents();
int numRows;
int* numEntriesPerRow;
int** indices;
double** values;
bool* remote;
int numRemote;
const Epetra_Map* origRowMap;
const Epetra_Map* rowMap;
const Epetra_Map* colMap;
const Epetra_Map* domainMap;
const Epetra_Map* importColMap;
Epetra_CrsMatrix* importMatrix;
};
int dumpCrsMatrixStruct(const CrsMatrixStruct& M);
class CrsWrapper {
public:
virtual ~CrsWrapper(){}
virtual const Epetra_Map& RowMap() const = 0;
virtual bool Filled() = 0;
virtual int InsertGlobalValues(int GlobalRow, int NumEntries, double* Values, int* Indices) = 0;
virtual int SumIntoGlobalValues(int GlobalRow, int NumEntries, double* Values, int* Indices) = 0;
};
class CrsWrapper_Epetra_CrsMatrix : public CrsWrapper {
public:
CrsWrapper_Epetra_CrsMatrix(Epetra_CrsMatrix& epetracrsmatrix);
virtual ~CrsWrapper_Epetra_CrsMatrix();
const Epetra_Map& RowMap() const;
bool Filled();
int InsertGlobalValues(int GlobalRow, int NumEntries, double* Values, int* Indices);
int SumIntoGlobalValues(int GlobalRow, int NumEntries, double* Values, int* Indices);
private:
Epetra_CrsMatrix& ecrsmat_;
};
class CrsWrapper_GraphBuilder : public CrsWrapper {
public:
CrsWrapper_GraphBuilder(const Epetra_Map& emap);
virtual ~CrsWrapper_GraphBuilder();
const Epetra_Map& RowMap() const {return rowmap_; }
bool Filled();
int InsertGlobalValues(int GlobalRow, int NumEntries, double* Values, int* Indices);
int SumIntoGlobalValues(int GlobalRow, int NumEntries, double* Values, int* Indices);
std::map<int,std::set<int>*>& get_graph();
int get_max_row_length() { return max_row_length_; }
private:
std::map<int,std::set<int>*> graph_;
const Epetra_Map& rowmap_;
int max_row_length_;
};
void insert_matrix_locations(CrsWrapper_GraphBuilder& graphbuilder,
Epetra_CrsMatrix& C);
}//namespace EpetraExt
#endif
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