/usr/include/liggghts/compute_group_group.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 | /* ----------------------------------------------------------------------
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 COMPUTE_CLASS
ComputeStyle(group/group,ComputeGroupGroup)
#else
#ifndef LMP_COMPUTE_GROUP_GROUP_H
#define LMP_COMPUTE_GROUP_GROUP_H
#include "compute.h"
namespace LAMMPS_NS {
class ComputeGroupGroup : public Compute {
public:
ComputeGroupGroup(class LAMMPS *, int, char **);
~ComputeGroupGroup();
void init();
void init_list(int, class NeighList *);
double compute_scalar();
void compute_vector();
private:
char *group2;
int jgroup,jgroupbit,othergroupbit;
double **cutsq;
class Pair *pair;
class NeighList *list;
void interact();
};
}
#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: Compute group/group group ID does not exist
Self-explanatory.
E: No pair style defined for compute group/group
Cannot calculate group interactions without a pair style defined.
E: Pair style does not support compute group/group
The pair_style does not have a single() function, so it cannot be
invokded by the compute group/group command.
*/
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