LinearSolverPetsc.hpp

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/*
  Copyright 2014 SINTEF ICT, Applied Mathematics.
  Copyright 2014 STATOIL ASA.
 
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OPM 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 General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef OPM_LINEARSOLVERPETSC_HEADER_INCLUDED
#define OPM_LINEARSOLVERPETSC_HEADER_INCLUDED
 
#if !HAVE_PETSC
#error "LinearSolverPetsc.hpp included, but the PETSc libraries are not available!"
#endif
 
#include <opm/core/linalg/LinearSolverInterface.hpp>
#include <opm/core/utility/parameters/ParameterGroup.hpp>
#include <string>
 
namespace Opm
{
 
 
    class LinearSolverPetsc : public LinearSolverInterface
    {
    public:
        LinearSolverPetsc();
 
        LinearSolverPetsc(const ParameterGroup& param);
 
        virtual ~LinearSolverPetsc();
 
        using LinearSolverInterface::solve;
 
        virtual LinearSolverReport solve(const int size,
                                         const int nonzeros,
                                         const int* ia,
                                         const int* ja,
                                         const double* sa,
                                         const double* rhs,
                                         double* solution,
                                         const boost::any&) const;
 
        virtual void setTolerance(const double tol);
 
        virtual double getTolerance() const;
    private:
        std::string     ksp_type_;
        std::string     pc_type_;
        int             ksp_view_;
        double          rtol_;
        double          atol_;
        double          dtol_;
        int             maxits_;
    };
 
 
} // namespace Opm
 
 
 
#endif // OPM_LINEARSOLVERPETSC_HEADER_INCLUDED