/usr/include/freefoam/OpenFOAM/tetrahedronI.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
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========= |
\\ / 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/>.
\*---------------------------------------------------------------------------*/
#include <OpenFOAM/triangle.H>
#include <OpenFOAM/IOstreams.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
template<class Point, class PointRef>
inline tetrahedron<Point, PointRef>::tetrahedron
(
const Point& a,
const Point& b,
const Point& c,
const Point& d
)
:
a_(a),
b_(b),
c_(c),
d_(d)
{}
template<class Point, class PointRef>
inline tetrahedron<Point, PointRef>::tetrahedron(Istream& is)
{
// Read beginning of tetrahedron point pair
is.readBegin("tetrahedron");
is >> a_ >> b_ >> c_ >> d_;
// Read end of tetrahedron point pair
is.readEnd("tetrahedron");
// Check state of Istream
is.check("tetrahedron::tetrahedron(Istream& is)");
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class Point, class PointRef>
inline const Point& tetrahedron<Point, PointRef>::a() const
{
return a_;
}
template<class Point, class PointRef>
inline const Point& tetrahedron<Point, PointRef>::b() const
{
return b_;
}
template<class Point, class PointRef>
inline const Point& tetrahedron<Point, PointRef>::c() const
{
return c_;
}
template<class Point, class PointRef>
inline const Point& tetrahedron<Point, PointRef>::d() const
{
return d_;
}
template<class Point, class PointRef>
inline vector tetrahedron<Point, PointRef>::Sa() const
{
return triangle<Point, PointRef>(b_, c_, d_).normal();
}
template<class Point, class PointRef>
inline vector tetrahedron<Point, PointRef>::Sb() const
{
return triangle<Point, PointRef>(a_, d_, c_).normal();
}
template<class Point, class PointRef>
inline vector tetrahedron<Point, PointRef>::Sc() const
{
return triangle<Point, PointRef>(a_, b_, d_).normal();
}
template<class Point, class PointRef>
inline vector tetrahedron<Point, PointRef>::Sd() const
{
return triangle<Point, PointRef>(a_, c_, b_).normal();
}
template<class Point, class PointRef>
inline Point tetrahedron<Point, PointRef>::centre() const
{
return 0.25*(a_ + b_ + c_ + d_);
}
template<class Point, class PointRef>
inline scalar tetrahedron<Point, PointRef>::mag() const
{
return (1.0/6.0)*(((b_ - a_) ^ (c_ - a_)) & (d_ - a_));
}
template<class Point, class PointRef>
inline Point tetrahedron<Point, PointRef>::circumCentre() const
{
vector a = b_ - a_;
vector b = c_ - a_;
vector c = d_ - a_;
scalar lamda = magSqr(c) - (a&c);
scalar mu = magSqr(b) - (a&b);
vector ba = b^a;
vector ca = c^a;
return a_ + 0.5*(a + (lamda*ba - mu*ca)/(c&ba));
}
template<class Point, class PointRef>
inline scalar tetrahedron<Point, PointRef>::circumRadius() const
{
return Foam::mag(a_ - circumCentre());
}
// * * * * * * * * * * * * * * * Ostream Operator * * * * * * * * * * * * * //
template<class point, class pointRef>
inline Istream& operator>>(Istream& is, tetrahedron<point, pointRef>& t)
{
// Read beginning of tetrahedron point pair
is.readBegin("tetrahedron");
is >> t.a_ >> t.b_ >> t.c_ >> t.d_;
// Read end of tetrahedron point pair
is.readEnd("tetrahedron");
// Check state of Ostream
is.check("Istream& operator>>(Istream&, tetrahedron&)");
return is;
}
template<class Point, class PointRef>
inline Ostream& operator<<(Ostream& os, const tetrahedron<Point, PointRef>& t)
{
os << nl
<< token::BEGIN_LIST
<< t.a_ << token::SPACE << t.b_
<< token::SPACE << t.c_ << token::SPACE << t.d_
<< token::END_LIST;
return os;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// ************************ vim: set sw=4 sts=4 et: ************************ //
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