/usr/include/freefoam/OpenFOAM/edge.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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 | /*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::edge
Description
An edge is a list of two point labels. The functionality it provides
supports the discretisation on a 2-D flat mesh.
SourceFiles
edgeI.H
\*---------------------------------------------------------------------------*/
#ifndef edge_H
#define edge_H
#include <OpenFOAM/FixedList.H>
#include <OpenFOAM/pointField.H>
#include <OpenFOAM/linePointRef.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of friend functions and operators
class edge;
inline bool operator==(const edge& a, const edge& b);
inline bool operator!=(const edge& a, const edge& b);
/*---------------------------------------------------------------------------*\
Class edge Declaration
\*---------------------------------------------------------------------------*/
class edge
:
public FixedList<label, 2>
{
public:
// Static data members
static const char* const typeName;
// Constructors
//- Null constructor for lists
inline edge();
//- Construct from components
inline edge(const label a, const label b);
//- Construct from FixedList
inline edge(const FixedList<label, 2>&);
//- Construct from Istream
inline edge(Istream&);
// Member Functions
//- Return start vertex label
inline label start() const;
//- Return start vertex label
inline label& start();
//- Return end vertex label
inline label end() const;
//- Return end vertex label
inline label& end();
//- Given one vertex, return the other
inline label otherVertex(const label a) const;
//- Return common vertex
inline label commonVertex(const edge& a) const;
//- Return reverse edge
inline edge reverseEdge() const;
//- Return centre (centroid)
inline point centre(const pointField&) const;
//- Return the vector (end - start)
inline vector vec(const pointField&) const;
//- Return scalar magnitude
inline scalar mag(const pointField&) const;
//- Return edge line
inline linePointRef line(const pointField&) const;
//- compare edges
// - 0: different
// - +1: identical
// - -1: same edge, but different orientation
static inline int compare(const edge&, const edge&);
// Friend Operators
friend bool operator==(const edge& a, const edge& b);
friend bool operator!=(const edge& a, const edge& b);
};
//- Hash specialization for hashing edges - a commutative hash value.
// Hash incrementally.
template<>
inline unsigned Hash<edge>::operator()(const edge& e, unsigned seed) const
{
unsigned val = seed;
if (e[0] < e[1])
{
val = Hash<label>()(e[0], val);
val = Hash<label>()(e[1], val);
}
else
{
val = Hash<label>()(e[1], val);
val = Hash<label>()(e[0], val);
}
return val;
}
//- Hash specialization for hashing edges - a commutative hash value.
// Hash incrementally.
template<>
inline unsigned Hash<edge>::operator()(const edge& e) const
{
return Hash<edge>()(e, 0);
}
template<>
inline bool contiguous<edge>() {return true;}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include <OpenFOAM/edgeI.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
|