/usr/include/liggghts/tet_mesh.h is in libliggghts-dev 3.3.1+repack1-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This is the
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╚══════╝╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚══════╝®
DEM simulation engine, released by
DCS Computing Gmbh, Linz, Austria
http://www.dcs-computing.com, office@dcs-computing.com
LIGGGHTS® is part of CFDEM®project:
http://www.liggghts.com | http://www.cfdem.com
Core developer and main author:
Christoph Kloss, christoph.kloss@dcs-computing.com
LIGGGHTS® is open-source, distributed under the terms of the GNU Public
License, version 2 or later. It 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. You should have
received a copy of the GNU General Public License along with LIGGGHTS®.
If not, see http://www.gnu.org/licenses . See also top-level README
and LICENSE files.
LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
the producer of the LIGGGHTS® software and the CFDEM®coupling software
See http://www.cfdem.com/terms-trademark-policy for details.
-------------------------------------------------------------------------
Contributing author and copyright for this file:
(if not contributing author is listed, this file has been contributed
by the core developer)
Copyright 2012- DCS Computing GmbH, Linz
Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */
#ifndef LMP_TET_MESH_H
#define LMP_TET_MESH_H
#include "volume_mesh.h"
namespace LAMMPS_NS
{
class TetMesh : public VolumeMesh<4,4,3>
{
public:
TetMesh(LAMMPS *lmp);
virtual ~TetMesh();
int generateRandomOwnedGhost(double *pos);
int generateRandomSubbox(double *pos);
int generateRandomSubboxWithin(double *pos,double delta);
protected:
double calcVol(int n);
double calcCenter(int n);
bool isInside(int iTet,double *pos);
bool shareFace(int i, int j, int &iFace, int &jFace);
private:
double calcTetVol(double* v0, double* v1, double* v2, double* v3);
void baryToCart(int iTet,double *bary_coo,double *pos);
};
// *************************************
#include "tet_mesh_I.h"
// *************************************
} /* LAMMPS_NS */
#endif /* TRIMESH_H_ */
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