/usr/include/dolfin/la/DefaultFactory.h is in libdolfin-dev 2017.2.0.post0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | // Copyright (C) 2008-2012 Anders Logg
//
// 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: 2012-08-21
#ifndef __DEFAULT_FACTORY_H
#define __DEFAULT_FACTORY_H
#include <string>
#include <memory>
#include <dolfin/common/MPI.h>
#include <dolfin/common/types.h>
#include "GenericLinearAlgebraFactory.h"
namespace dolfin
{
/// Default linear algebra factory based on global parameter "linear_algebra_backend"
class DefaultFactory : public GenericLinearAlgebraFactory
{
class GenericLinearSolver;
public:
/// Constructor
DefaultFactory() {}
/// Destructor
virtual ~DefaultFactory() {}
/// Create empty matrix
virtual std::shared_ptr<GenericMatrix> create_matrix(MPI_Comm comm) const;
/// Create empty vector
virtual std::shared_ptr<GenericVector> create_vector(MPI_Comm comm) const;
/// Create empty tensor layout
virtual std::shared_ptr<TensorLayout> create_layout(MPI_Comm comm ,
std::size_t rank) const;
/// Create empty linear operator
virtual std::shared_ptr<GenericLinearOperator>
create_linear_operator(MPI_Comm comm) const;
/// Create LU solver
virtual std::shared_ptr<dolfin::GenericLinearSolver>
create_lu_solver(MPI_Comm comm, std::string method) const;
/// Create Krylov solver
virtual std::shared_ptr<dolfin::GenericLinearSolver>
create_krylov_solver(MPI_Comm comm, std::string method,
std::string preconditioner) const;
/// Return a list of available LU solver methods
std::map<std::string, std::string> lu_solver_methods() const;
/// Return a list of available Krylov solver methods
std::map<std::string, std::string> krylov_solver_methods() const;
/// Return a list of available preconditioners
std::map<std::string, std::string> krylov_solver_preconditioners() const;
/// Return instance of default backend
static GenericLinearAlgebraFactory& factory();
};
}
#endif
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