fix_uniaxial.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 FIX_UNIAXIAL_H
	#define FIX_UNIAXIAL_H

	#include "fix.h"

	namespace LAMMPS_NS {

	class FixUniaxial : public Fix {
	public:
	FixUniaxial(class LAMMPS , int, char *);
	~FixUniaxial();
	int setmask();
	void init();
	void end_of_step();

	private:
	int dir;
	double lambda_final;
	double alpha0; // asymmetry parameter

	double lambdai[3]; // initial
	double lambdaf[3]; // final
	double domainloi[3]; // initial box lo/hi
	double domainhii[3];
	double *domainlo[3]; // pointers to make loop over dims possible
	double *domainhi[3];
	double *domainprd[3];

	int kspace_flag; // 1 if KSpace invoked, 0 if not
	int nrigid; // number of rigid fixes
	int *rfix; // indices of rigid fixes
	};

	#endif

	}