/usr/include/dolfin/mesh/MeshColoring.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.
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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 Anders Logg, 2010.
//
// First added: 2010-11-15
// Last changed: 2011-01-29
#ifndef __MESH_COLORING_H
#define __MESH_COLORING_H
#include <memory>
#include <string>
#include <vector>
#include "Cell.h"
namespace dolfin
{
class Mesh;
/// This class computes colorings for a local mesh. It supports
/// vertex, edge, and facet-based colorings.
class MeshColoring
{
public:
/// Color the cells of a mesh for given coloring type, which can
/// be one of "vertex", "edge" or "facet". Coloring is saved in
/// the mesh topology
static const std::vector<std::size_t>& color_cells(Mesh& mesh,
std::string coloring_type);
/// Color the cells of a mesh for given coloring type specified by
/// topological dimension, which can be one of 0, 1 or D -
/// 1. Coloring is saved in the mesh topology
static const std::vector<std::size_t>&
color(Mesh& mesh, const std::vector<std::size_t>& coloring_type);
/// Compute cell colors for given coloring type specified by
/// topological dimension, which can be one of 0, 1 or D - 1.
static std::size_t compute_colors(const Mesh& mesh,
std::vector<std::size_t>& colors,
const std::vector<std::size_t>& coloring_type);
/// Return a MeshFunction with the cell colors (used for
/// visualisation)
static MeshFunction<std::size_t>
cell_colors(std::shared_ptr<const Mesh> mesh,
std::string coloring_type);
/// Return a MeshFunction with the cell colors (used for visualisation)
static MeshFunction<std::size_t>
cell_colors(std::shared_ptr<const Mesh> mesh,
std::vector<std::size_t> coloring_type);
/// Convert coloring type to topological dimension
static std::size_t type_to_dim(std::string coloring_type, const Mesh& mesh);
};
}
#endif
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