/usr/include/dolfin/mesh/Edge.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 | // Copyright (C) 2006-2010 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 Johan Hoffman 2006.
// Modified by Kristoffer Selim 2009.
//
// First added: 2006-06-02
// Last changed: 2011-02-08
#ifndef __EDGE_H
#define __EDGE_H
#include <dolfin/common/types.h>
#include "Mesh.h"
#include "MeshEntity.h"
#include "MeshEntityIterator.h"
#include "MeshFunction.h"
namespace dolfin
{
/// An Edge is a _MeshEntity_ of topological dimension 1.
class Edge : public MeshEntity
{
public:
/// Create edge on given mesh
///
/// *Arguments*
/// mesh (_Mesh_)
/// The mesh.
/// index (uint)
/// Index of the edge.
Edge(const Mesh& mesh, uint index) : MeshEntity(mesh, 1, index) {}
/// Create edge from mesh entity
///
/// *Arguments*
/// entity (_MeshEntity_)
/// The mesh entity to create an edge from.
Edge(MeshEntity& entity) : MeshEntity(entity.mesh(), 1, entity.index()) {}
/// Destructor
~Edge() {}
/// Compute Euclidean length of edge
///
/// *Returns*
/// double
/// Euclidean length of edge.
///
/// *Example*
/// .. code-block:: c++
///
/// UnitSquare mesh(2, 2);
/// Edge edge(mesh, 0);
/// info("%g", edge.length());
///
/// output::
///
/// 0.5
double length() const;
/// Compute dot product between edge and other edge
///
/// *Arguments*
/// edge (_Edge_)
/// Another edge.
///
/// *Returns*
/// double
/// The dot product.
///
/// *Example*
/// .. code-block:: c++
///
/// UnitSquare mesh(2, 2);
/// Edge edge1(mesh, 0);
/// Edge edge2(mesh, 1);
/// info("%g", edge1.dot(edge2));
///
/// output::
///
/// 0.25
double dot(const Edge& edge) const;
};
/// An EdgeIterator is a _MeshEntityIterator_ of topological dimension 1.
class EdgeIterator : public MeshEntityIterator
{
public:
EdgeIterator(const Mesh& mesh) : MeshEntityIterator(mesh, 1) {}
EdgeIterator(const MeshEntity& entity) : MeshEntityIterator(entity, 1) {}
inline Edge& operator*() { return *operator->(); }
inline Edge* operator->() { return static_cast<Edge*>(MeshEntityIterator::operator->()); }
};
/// An EdgeFunction is a _MeshFunction_ of topological dimension 1.
template <typename T> class EdgeFunction : public MeshFunction<T>
{
public:
EdgeFunction(const Mesh& mesh) : MeshFunction<T>(mesh, 1) {}
EdgeFunction(const Mesh& mesh, const T& value)
: MeshFunction<T>(mesh, 1, value) {}
};
}
#endif
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