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;
	double eng_vdwl,eng_coul;
	double virial[6];
	double PI;

	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() {return 0.0;}
	};

	}

	#endif