/usr/include/dolfin/mesh/Edge.h is in libdolfin-dev 1.4.0+dfsg-4.
This file is owned by root:root, with mode 0o644.
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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 | // 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 <memory>
#include "Mesh.h"
#include "MeshEntity.h"
#include "MeshEntityIteratorBase.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 (std::size_t)
/// Index of the edge.
Edge(const Mesh& mesh, std::size_t 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.
typedef MeshEntityIteratorBase<Edge> EdgeIterator;
/// 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(std::shared_ptr<const Mesh> mesh)
: MeshFunction<T>(mesh, 1) {}
EdgeFunction(const Mesh& mesh, const T& value)
: MeshFunction<T>(mesh, 1, value) {}
EdgeFunction(std::shared_ptr<const Mesh> mesh, const T& value)
: MeshFunction<T>(mesh, 1, value) {}
};
}
#endif
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