/usr/include/liggghts/fix_wall_reflect.h is in libliggghts-dev 2.3.8-1build1.
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 | /* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#ifdef FIX_CLASS
FixStyle(wall/reflect,FixWallReflect)
#else
#ifndef LMP_FIX_WALL_REFLECT_H
#define LMP_FIX_WALL_REFLECT_H
#include "fix.h"
namespace LAMMPS_NS {
class FixWallReflect : public Fix {
public:
FixWallReflect(class LAMMPS *, int, char **);
virtual ~FixWallReflect();
int setmask();
void init();
void post_integrate();
protected:
int nwall;
int wallwhich[6],wallstyle[6];
double coord0[6];
char *varstr[6];
int varindex[6];
int varflag;
double xscale,yscale,zscale;
};
}
#endif
#endif
/* ERROR/WARNING messages:
E: Illegal ... command
Self-explanatory. Check the input script syntax and compare to the
documentation for the command. You can use -echo screen as a
command-line option when running LAMMPS to see the offending line.
E: Wall defined twice in fix wall/reflect command
Self-explanatory.
E: Cannot use fix wall/reflect in periodic dimension
Self-explanatory.
E: Cannot use fix wall/reflect zlo/zhi for a 2d simulation
Self-explanatory.
E: Use of fix wall with undefined lattice
Must use lattice command with fix wall command if units option is set
to lattice.
E: Variable name for fix wall/reflect does not exist
Self-explanatory.
E: Variable for fix wall/reflect is invalid style
Only equal-style variables can be used.
W: Should not allow rigid bodies to bounce off relecting walls
LAMMPS allows this, but their dynamics are not computed correctly.
*/
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