fei_LinProbMgr_EpetraBasic.hpp

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#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_