1 /* -*- c++ -*- ----------------------------------------------------------
2    LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
3    https://www.lammps.org/, Sandia National Laboratories
4    Steve Plimpton, sjplimp@sandia.gov
5 
6    Copyright (2003) Sandia Corporation.  Under the terms of Contract
7    DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
8    certain rights in this software.  This software is distributed under
9    the GNU General Public License.
10 
11    See the README file in the top-level LAMMPS directory.
12 ------------------------------------------------------------------------- */
13 
14 #ifdef IMPROPER_CLASS
15 // clang-format off
16 ImproperStyle(distharm,ImproperDistHarm);
17 // clang-format on
18 #else
19 
20 #ifndef LMP_IMPROPER_DISTHARM_H
21 #define LMP_IMPROPER_DISTHARM_H
22 
23 #include "improper.h"
24 
25 namespace LAMMPS_NS {
26 
27 class ImproperDistHarm : public Improper {
28  public:
29   ImproperDistHarm(class LAMMPS *);
30   ~ImproperDistHarm();
31   void compute(int, int);
32   void coeff(int, char **);
33   void write_restart(FILE *);
34   void read_restart(FILE *);
35 
36  private:
37   double *k, *chi;
38 
39   void allocate();
40 };
41 
42 }    // namespace LAMMPS_NS
43 
44 #endif
45 #endif
46