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fei_Solver_Amesos.hpp
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00004 //             FEI: Finite Element Interface to Linear Solvers
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00042 
00043 #ifndef _fei_Solver_Amesos_h_
00044 #define _fei_Solver_Amesos_h_
00045 
00046 
00047 #include <fei_trilinos_macros.hpp>
00048 
00049 #ifdef HAVE_FEI_AMESOS
00050 
00051 #include <fei_Solver.hpp>
00052 
00053 namespace Teuchos {
00054   class ParameterList;
00055 }
00056 class Amesos;
00057 class Amesos_BaseSolver;
00058 class Epetra_LinearProblem;
00059 class Epetra_CrsMatrix;
00060 class Epetra_MultiVector;
00061 class Epetra_VbrMatrix;
00062 
00063 class Solver_Amesos : public fei::Solver {
00064  public:
00065   Solver_Amesos();
00066   virtual ~Solver_Amesos();
00067 
00068   int solve(fei::LinearSystem* linearSystem,
00069       fei::Matrix* preconditioningMatrix,
00070       const fei::ParameterSet& parameterSet,
00071       int& iterationsTaken,
00072       int& status);
00073 
00074   Teuchos::ParameterList& get_ParameterList();
00075 
00076  private:
00077   int solve(fei::LinearSystem* linearSystem,
00078       fei::Matrix* preconditioningMatrix,
00079       int numParams,
00080       const char* const* solverParams,
00081       int& iterationsTaken,
00082       int& status);
00083 
00084   int parseParameters(int numParams,
00085           const char*const* params);
00086 
00087   int solve_private(Epetra_CrsMatrix* A,
00088         Epetra_MultiVector* x,
00089         Epetra_MultiVector* b,
00090         fei::Matrix* preconditioningMatrix,
00091         int numParams,
00092         const char* const* solverParams,
00093         int& iterationsTaken,
00094         int& status);
00095 
00096   int solve_private(Epetra_VbrMatrix* A,
00097         Epetra_MultiVector* x,
00098         Epetra_MultiVector* b,
00099         fei::Matrix* preconditioningMatrix,
00100         int numParams,
00101         const char* const* solverParams,
00102         int& iterationsTaken,
00103         int& status);
00104 
00105  private:
00106   double tolerance_;
00107   int maxIters_;
00108   Amesos* amesos_factory_;
00109   Amesos_BaseSolver* amesos_solver_;
00110   Epetra_LinearProblem* epetra_linearproblem_;
00111   Teuchos::ParameterList* paramlist_;
00112 }; //class Solver_Amesos
00113 
00114 #endif
00115 
00116 #endif
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