This file is indexed.

/usr/include/liggghts/fix_nph.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
/* ----------------------------------------------------------------------
   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(nph,FixNPH)

#else

#ifndef LMP_FIX_NPH_H
#define LMP_FIX_NPH_H

#include "fix_nh.h"

namespace LAMMPS_NS {

class FixNPH : public FixNH {
 public:
  FixNPH(class LAMMPS *, int, char **);
  ~FixNPH() {}
};

}

#endif
#endif

/* ERROR/WARNING messages:

E: Temperature control can not be used with fix nph

Self-explanatory.

E: Pressure control must be used with fix nph

Self-explanatory.

*/