opm-simulators/opm/core/linalg/LinearSolverUmfpack.cpp

75 lines
1.9 KiB
C++

/*
Copyright 2012 SINTEF ICT, Applied Mathematics.
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/>.
*/
#include <opm/core/linalg/LinearSolverUmfpack.hpp>
#include <opm/core/linalg/sparse_sys.h>
#include <opm/core/linalg/call_umfpack.h>
namespace Opm
{
LinearSolverUmfpack::LinearSolverUmfpack()
{
}
LinearSolverUmfpack::~LinearSolverUmfpack()
{
}
LinearSolverInterface::LinearSolverReport
LinearSolverUmfpack::solve(const int size,
const int nonzeros,
const int* ia,
const int* ja,
const double* sa,
const double* rhs,
double* solution) const
{
CSRMatrix A = {
(size_t)size,
(size_t)nonzeros,
const_cast<int*>(ia),
const_cast<int*>(ja),
const_cast<double*>(sa)
};
call_UMFPACK(&A, rhs, solution);
LinearSolverReport rep;
rep.converged = true;
return rep;
}
void LinearSolverUmfpack::setTolerance(const double /*tol*/)
{
}
double LinearSolverUmfpack::getTolerance() const
{
return -1.;
}
} // namespace Opm