/usr/include/liggghts/compute_surface.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 no contributing author is listed, this file has been contributed
by the core developer)
Copyright 2014- DCS Computing GmbH, Linz
------------------------------------------------------------------------- */
#ifdef COMPUTE_CLASS
ComputeStyle(surface,ComputeSurface)
#else
#ifndef LMP_COMPUTE_SURFACE_H
#define LMP_COMPUTE_SURFACE_H
#include "compute.h"
namespace LAMMPS_NS {
class ComputeSurface : public Compute {
public:
ComputeSurface(class LAMMPS *, int, char **);
~ComputeSurface();
void init();
void init_list(int, class NeighList *);
double compute_scalar();
void compute_peratom();
int pack_reverse_comm(int, int, double *);
void unpack_reverse_comm(int, int *, double *);
double memory_usage();
protected:
int nmax_;
class NeighList *list_;
double *is_on_surface_;
double point_up_[3];
double n_vec_up_[3];
bool use_com_;
double angle_;
double cosine_sqr_;
};
}
#endif
#endif
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