/usr/include/dolfin/generation/BoxMesh.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 | // Copyright (C) 2005-2011 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 Nuno Lopes, 2008.
// Modified by Mikael Mortensen, 2014.
//
// First added: 2005-12-02
// Last changed: 2014-02-17
#ifndef __BOX_H
#define __BOX_H
#include <cstddef>
#include <dolfin/common/MPI.h>
#include <dolfin/mesh/Mesh.h>
namespace dolfin
{
/// Tetrahedral mesh of the 3D rectangular prism [x0, x1] x [y0, y1]
/// x [z0, z1]. Given the number of cells (nx, ny, nz) in each
/// direction, the total number of tetrahedra will be 6*nx*ny*nz and
/// the total number of vertices will be (nx + 1)*(ny + 1)*(nz + 1).
class BoxMesh : public Mesh
{
public:
/// Create a uniform finite element _Mesh_ over the rectangular prism
/// [x0, x1] x [y0, y1] x [z0, z1].
///
/// *Arguments*
/// x0 (double)
/// :math:`x`-min.
/// y0 (double)
/// :math:`y`-min.
/// z0 (double)
/// :math:`z`-min.
/// x1 (double)
/// :math:`x`-max.
/// y1 (double)
/// :math:`y`-max.
/// z1 (double)
/// :math:`z`-max.
/// xn (double)
/// Number of cells in :math:`x`-direction.
/// yn (double)
/// Number of cells in :math:`y`-direction.
/// zn (double)
/// Number of cells in :math:`z`-direction.
///
/// *Example*
/// .. code-block:: c++
///
/// // Mesh with 6 cells in each direction on the
/// // set [-1,2] x [-1,2] x [-1,2].
/// BoxMesh mesh(-1, -1, -1, 2, 2, 2, 6, 6, 6);
///
BoxMesh(double x0, double y0, double z0, double x1, double y1, double z1,
std::size_t nx, std::size_t ny, std::size_t nz);
/// Create a uniform finite element _Mesh_ over the rectangular prism
/// [x0, x1] x [y0, y1] x [z0, z1].
///
/// *Arguments*
/// comm (MPI_Comm)
/// MPI communicator
/// x0 (double)
/// :math:`x`-min.
/// y0 (double)
/// :math:`y`-min.
/// z0 (double)
/// :math:`z`-min.
/// x1 (double)
/// :math:`x`-max.
/// y1 (double)
/// :math:`y`-max.
/// z1 (double)
/// :math:`z`-max.
/// xn (double)
/// Number of cells in :math:`x`-direction.
/// yn (double)
/// Number of cells in :math:`y`-direction.
/// zn (double)
/// Number of cells in :math:`z`-direction.
///
/// *Example*
/// .. code-block:: c++
///
/// // Mesh with 6 cells in each direction on the
/// // set [-1,2] x [-1,2] x [-1,2].
/// BoxMesh mesh(MPI_COMM_WORLD, -1, -1, -1, 2, 2,
/// 2, 6, 6, 6);
///
BoxMesh(MPI_Comm comm,
double x0, double y0, double z0, double x1, double y1, double z1,
std::size_t nx, std::size_t ny, std::size_t nz);
private:
// Build mesh
void build(double x0, double y0, double z0, double x1, double y1, double z1,
std::size_t nx, std::size_t ny, std::size_t nz);
};
}
#endif
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