/usr/include/dolfin/fem/OpenMpAssembler.h is in libdolfin-dev 1.4.0+dfsg-4.
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/>.
//
// Modified by Garth N. Wells, 2007-2008.
// Modified by Ola Skavhaug, 2008.
//
// First added: 2007-01-17
// Last changed: 2011-09-29
#ifndef __OPENMP_ASSEMBLER_H
#define __OPENMP_ASSEMBLER_H
#ifdef HAS_OPENMP
#include <vector>
#include "AssemblerBase.h"
namespace dolfin
{
// Forward declarations
class GenericTensor;
class Form;
class UFC;
template<typename T> class MeshFunction;
/// This class provides automated assembly of linear systems, or
/// more generally, assembly of a sparse tensor from a given
/// variational form.
///
/// The MeshFunction arguments can be used to specify assembly over
/// subdomains of the mesh cells, exterior facets or interior
/// facets. Either a null pointer or an empty MeshFunction may be
/// used to specify that the tensor should be assembled over the
/// entire set of cells or facets.
class OpenMpAssembler : public AssemblerBase
{
public:
/// Constructor
OpenMpAssembler() {}
/// Assemble tensor from given form
void assemble(GenericTensor& A, const Form& a);
private:
// Assemble over cells
void assemble_cells(GenericTensor& A, const Form& a, UFC& ufc,
const MeshFunction<std::size_t>* domains,
std::vector<double>* values);
// Assemble over exterior facets
void assemble_cells_and_exterior_facets(GenericTensor& A,
const Form& a, UFC& ufc, const MeshFunction<std::size_t>* cell_domains,
const MeshFunction<std::size_t>* exterior_facet_domains,
std::vector<double>* values);
// Assemble over interior facets
void assemble_interior_facets(GenericTensor& A, const Form& a, UFC& ufc,
const MeshFunction<std::size_t>* domains, std::vector<double>* values);
};
}
#endif
#endif
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