fei_LinProbMgr_EpetraBasic.hpp

/*
// @HEADER
// ************************************************************************
//             FEI: Finite Element Interface to Linear Solvers
//                  Copyright (2005) Sandia Corporation.
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, the
// U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Alan Williams (william@sandia.gov) 
//
// ************************************************************************
// @HEADER
*/


#ifndef _fei_LinProbMgr_EpetraBasic_hpp_
#define _fei_LinProbMgr_EpetraBasic_hpp_

#include <fei_LinearProblemManager.hpp>

#include <fei_Include_Trilinos.hpp>
#include <fei_SharedPtr.hpp>

#include <vector>

class LinProbMgr_EpetraBasic : public fei::LinearProblemManager {
 public:
  LinProbMgr_EpetraBasic(MPI_Comm comm);
  virtual ~LinProbMgr_EpetraBasic();

  void setRowDistribution(const std::vector<int>& ownedGlobalRows);

  void setMatrixGraph(fei::SharedPtr<fei::SparseRowGraph> matrixGraph);

  void setMatrixValues(double scalar);

  void setVectorValues(double scalar, bool soln_vector);

  int getLocalNumRows();

  int getRowLength(int row);

  int copyOutMatrixRow(int row, int len,
                       double* coefs, int* indices);

  int insertMatrixValues(int numRows, const int* rows,
                         int numCols, const int* cols,
                         const double* const* values,
                         bool sum_into);

  int insertVectorValues(int numValues,
                         const int* globalIndices,
                         const double* values,
                         bool sum_into,
                         bool soln_vector,
                         int vectorIndex=0);

  int copyOutVectorValues(int numValues,
                           const int* globalIndices,
                           double* values,
                           bool soln_vector,
                           int vectorIndex=0);

  double* getLocalVectorValuesPtr(bool soln_vector,
                                  int vectorIndex=0);

  int globalAssemble();

  fei::SharedPtr<Epetra_CrsMatrix> get_A_matrix();

  fei::SharedPtr<Epetra_MultiVector> get_rhs_vector();

  fei::SharedPtr<Epetra_MultiVector> get_solution_vector();

 private:
  MPI_Comm comm_;
  std::vector<int> ownedRows_;
  fei::SharedPtr<Epetra_Comm> epetra_comm_;
  fei::SharedPtr<Epetra_Map> epetra_rowmap_;
  fei::SharedPtr<fei::SparseRowGraph> fei_srgraph_;
  fei::SharedPtr<Epetra_CrsGraph> crsgraph_;
  fei::SharedPtr<Epetra_CrsMatrix> A_;
  int numVectors_;
  fei::SharedPtr<Epetra_MultiVector> x_;
  fei::SharedPtr<Epetra_MultiVector> b_;
};

#endif // _LinProbMgr_EpetraBasic_hpp_