/usr/include/dolfin/mesh/MeshGeometry.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.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | // 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 <dolfin/common/types.h>
#include <dolfin/log/log.h>
#include "Point.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
uint dim() const { return _dim; }
/// Return number of coordinates
uint size() const { return _size; }
/// Return value of coordinate n in direction i
double& x(uint n, uint i) { dolfin_assert(n < _size && i < _dim); return coordinates[n*_dim + i]; }
/// Return value of coordinate n in direction i
double x(uint n, uint i) const { dolfin_assert(n < _size && i < _dim); return coordinates[n*_dim + i]; }
/// Return array of values for coordinate n
double* x(uint n) { return coordinates + n*_dim; }
/// Return array of values for coordinate n
const double* x(uint n) const { return coordinates + n*_dim; }
/// Return array of values for all coordinates
double* x() { return coordinates; }
/// Return array of values for all coordinates
const double* x() const { return coordinates; }
/// Return array of values for higher order coordinate n
double* higher_order_x(uint n) { return higher_order_coordinates + n*_dim; }
/// Return array of values for higher order coordinate n
const double* higher_order_x(uint n) const { return higher_order_coordinates + n*_dim; }
/// Return array of values for all higher order coordinates
double* higher_order_x() { return higher_order_coordinates; }
/// Return array of values for all higher order coordinates
const double* higher_order_x() const { return higher_order_coordinates; }
/// Return number of vertices used (per cell) to represent the higher order geometry
uint num_higher_order_vertices_per_cell() const { return _higher_order_num_dof; }
/// Return array of higher order vertex indices for a specific higher order cell
uint* higher_order_cell(uint c)
{ return (higher_order_cell_data + (c*_higher_order_num_dof)); }
/// Return array of higher order vertex indices for a specific higher order cell
const uint* higher_order_cell(uint c) const
{ return (higher_order_cell_data + (c*_higher_order_num_dof)); }
/// Return array of values for all higher order cell data
uint* higher_order_cells() { return higher_order_cell_data; }
/// Return array of values for all higher order cell data
const uint* higher_order_cells() const { return higher_order_cell_data; }
/// Return coordinate n as a 3D point value
Point point(uint n) const;
/// Return pointer to boolean affine indicator array
bool* affine_cell_bool() { return affine_cell; }
/// Clear all data
void clear();
/// Initialize coordinate list to given dimension and size
void init(uint dim, uint size);
/// Initialize higher order coordinate list to given dimension and size
void init_higher_order_vertices(uint dim, uint size_higher_order);
/// Initialize higher order cell data list to given number of cells and dofs
void init_higher_order_cells(uint num_cells, uint num_dof);
/// Initialize the affine indicator array
void init_affine_indicator(uint num_cells);
/// set affine indicator at index i
void set_affine_indicator(uint i, bool value);
/// Set value of coordinate n in direction i
void set(uint n, uint i, double x);
/// Set value of higher order coordinate N in direction i
void set_higher_order_coordinates(uint N, uint i, double x);
/// Set higher order cell data for cell # N in direction i
void set_higher_order_cell_data(uint N, std::vector<uint> vector_cell_data);
/// Return informal string representation (pretty-print)
std::string str(bool verbose) const;
private:
// Friends
friend class BinaryFile;
friend class MeshRenumbering;
// Euclidean dimension
uint _dim;
// Number of coordinates
uint _size;
// Coordinates for all vertices stored as a contiguous array
double* coordinates;
// Number of higher order coordinates
uint _size_higher_order;
// Higher order mesh coordinates (stored just like coordinates)
// note: this may seem redundant, but needs to stay this way!
double* higher_order_coordinates;
// should eventually have some kind of indicator for the TYPE of higher order cell data!
// i.e. P2 Lagrange, etc... For now we will assume P2 Lagrange only!
// Higher order cell size info
uint _higher_order_num_cells;
uint _higher_order_num_dof;
// Higher order cell data
// note: this may seem redundant, but needs to stay this way!
uint* higher_order_cell_data;
// Boolean indicator for whether a cell is affinely mapped (or not), i.e. straight or not.
// note: this is used in conjunction with the higher order stuff
bool* affine_cell;
};
}
#endif
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