/usr/include/dolfin/mesh/MeshGeometry.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.
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 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 | // Copyright (C) 2006 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/>.
//
// Modified by Garth N. Wells, 2008.
//
// First added: 2006-05-08
// Last changed: 2010-11-29
#ifndef __MESH_GEOMETRY_H
#define __MESH_GEOMETRY_H
#include <string>
#include <vector>
#include <dolfin/geometry/Point.h>
#include <dolfin/log/log.h>
namespace dolfin
{
/// MeshGeometry stores the geometry imposed on a mesh. Currently,
/// the geometry is represented by the set of coordinates for the
/// vertices of a mesh, but other representations are possible.
class Function;
class MeshGeometry
{
public:
/// Create empty set of coordinates
MeshGeometry();
/// Copy constructor
MeshGeometry(const MeshGeometry& geometry);
/// Destructor
~MeshGeometry();
/// Assignment
const MeshGeometry& operator= (const MeshGeometry& geometry);
/// Return Euclidean dimension of coordinate system
std::size_t dim() const
{ return _dim; }
/// Return number of coordinates
std::size_t size() const
{
dolfin_assert(coordinates.size() % _dim == 0);
return coordinates.size()/_dim;
}
/// Return value of coordinate with local index n in direction i
double& x(std::size_t n, std::size_t i)
{
dolfin_assert(n < local_index_to_position.size());
dolfin_assert(i < _dim);
return coordinates[local_index_to_position[n]*_dim + i];
}
/// Return value of coordinate with local index n in direction i
double x(std::size_t n, std::size_t i) const
{
dolfin_assert(n < local_index_to_position.size());
dolfin_assert(i < _dim);
return coordinates[local_index_to_position[n]*_dim + i];
}
/// Return array of values for coordinate with local index n
double* x(std::size_t n)
{
dolfin_assert(n < local_index_to_position.size());
return &coordinates[local_index_to_position[n]*_dim];
}
/// Return array of values for coordinate with local index n
const double* x(std::size_t n) const
{
dolfin_assert(n < local_index_to_position.size());
return &coordinates[local_index_to_position[n]*_dim];
}
/// Return array of values for all coordinates
std::vector<double>& x()
{ return coordinates; }
/// Return array of values for all coordinates
const std::vector<double>& x() const
{ return coordinates; }
/// Return coordinate with local index n as a 3D point value
Point point(std::size_t n) const;
/// Clear all data
void clear();
/// Initialize coordinate list to given dimension and size
void init(std::size_t dim, std::size_t size);
/// Set value of coordinate
//void set(std::size_t n, std::size_t i, double x);
void set(std::size_t local_index, const std::vector<double>& x);
/// Hash of coordinate values
///
/// *Returns*
/// std::size_t
/// A tree-hashed value of the coordinates over all MPI processes
///
std::size_t hash() const;
/// Return informal string representation (pretty-print)
std::string str(bool verbose) const;
private:
// Friends
friend class BinaryFile;
friend class MeshRenumbering;
// Euclidean dimension
std::size_t _dim;
// Coordinates for all vertices stored as a contiguous array
std::vector<double> coordinates;
// Local coordinate indices (array position -> index)
std::vector<unsigned int> position_to_local_index;
// Local coordinate indices (local index -> array position)
std::vector<unsigned int> local_index_to_position;
};
}
#endif
|