imbalance.h
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imbalance.h
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			/* -- c++ -- ----------------------------------------------------------
			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_IMBALANCE_H
			#define LMP_IMBALANCE_H

			#include <stdio.h>

			namespace LAMMPS_NS {
			class LAMMPS;

			class Imbalance {
			public:
			Imbalance(LAMMPS *lmp) : _lmp(lmp) {};
			virtual ~Imbalance() {};

			// disallow default and copy constructor, assignment operator
			private:
			Imbalance() {};
			Imbalance(const Imbalance &) {};
			Imbalance &operator=(const Imbalance &) {return *this;};

			// internal use only data members
			protected:
			LAMMPS *_lmp;

			// public API
			public:
			// parse options. return number of arguments consumed. (required)
			virtual int options(int narg, char **arg) = 0;
			// reinitialize internal data (needed for fix balance) (optional)
			virtual void init() {};
			// compute and apply weight factors to local atom array (required)
			virtual void compute(double *weights) = 0;
			// print information about the state of this imbalance compute (required)
			virtual void info(FILE *fp) = 0;
			};

			}

			#endif