fix_wall.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 LMP_FIX_WALL_H
	#define LMP_FIX_WALL_H

	#include "fix.h"

	namespace LAMMPS_NS {

	class FixWall : public Fix {
	public:
	FixWall(class LAMMPS , int, char *);
	virtual ~FixWall() {}
	int setmask();
	virtual void init();
	void setup(int);
	void min_setup(int);
	void post_force(int);
	void post_force_respa(int, int, int);
	void min_post_force(int);
	double compute_scalar();
	double compute_vector(int);

	virtual void precompute(int) = 0;
	virtual void wall_particle(int, double) = 0;

	protected:
	int wallflag[6];
	double coord0[6],epsilon[6],sigma[6],cutoff[6];
	int velflag,wigflag;
	double vel[6],amplitude[6];
	double period,omega;
	int eflag;
	double ewall[7],ewall_all[7];
	int nlevels_respa;
	double dt;
	int time_origin;
	};

	}

	#endif