/usr/include/dolfin/la/DefaultFactory.h is in libdolfin1.0-dev 1.0.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added: 2008-05-17
// Last changed: 2011-10-19
#ifndef __DEFAULT_FACTORY_H
#define __DEFAULT_FACTORY_H
#include <string>
#include "LinearAlgebraFactory.h"
namespace dolfin
{
class DefaultFactory : public LinearAlgebraFactory
{
class GenericLinearSolver;
public:
/// Constructor
DefaultFactory() {}
/// Destructor
virtual ~DefaultFactory() {}
/// Create empty matrix
virtual dolfin::GenericMatrix* create_matrix() const;
/// Create empty vector (global)
virtual dolfin::GenericVector* create_vector() const;
/// Create empty vector (local)
virtual dolfin::GenericVector* create_local_vector() const;
/// Create empty sparsity pattern
virtual dolfin::GenericSparsityPattern* create_pattern() const;
/// Create LU solver
virtual dolfin::GenericLinearSolver* create_lu_solver(std::string method) const;
/// Create Krylov solver
virtual dolfin::GenericLinearSolver*
create_krylov_solver(std::string method, std::string preconditioner) const;
/// Return a list of available LU solver methods
std::vector<std::pair<std::string, std::string> >
lu_solver_methods() const;
/// Return a list of available Krylov solver methods
std::vector<std::pair<std::string, std::string> >
krylov_solver_methods() const;
/// Return a list of available preconditioners
std::vector<std::pair<std::string, std::string> >
krylov_solver_preconditioners() const;
/// Return instance of default backend
static LinearAlgebraFactory& factory();
};
}
#endif
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