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lammps/src/dihedral.h
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dihedral.h
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/* ----------------------------------------------------------------------
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.
------------------------------------------------------------------------- */
#ifndef DIHEDRAL_H
#define DIHEDRAL_H
#include "stdio.h"
#include "pointers.h"
namespace LAMMPS_NS {
class Dihedral : protected Pointers {
public:
int allocated;
int *setflag;
double energy; // accumulated energy
double virial[6]; // accumlated virial
double *eatom,**vatom; // accumulated per-atom energy/virial
Dihedral(class LAMMPS *);
virtual ~Dihedral();
virtual void init();
virtual void init_style() {}
virtual void compute(int, int) = 0;
virtual void settings(int, char **) {}
virtual void coeff(int, int, char **) = 0;
virtual void write_restart(FILE *) = 0;
virtual void read_restart(FILE *) = 0;
virtual double memory_usage();
protected:
double PI;
int evflag;
int eflag_either,eflag_global,eflag_atom;
int vflag_either,vflag_global,vflag_atom;
int maxeatom,maxvatom;
void ev_setup(int, int);
void ev_tally(int, int, int, int, int, int, double,
double *, double *, double *, double, double, double,
double, double, double, double, double, double);
};
}
#endif
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