fix_gyration.h
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fix_gyration.h
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			/* ----------------------------------------------------------------------
			LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
			www.cs.sandia.gov/~sjplimp/lammps.html
			Steve Plimpton, sjplimp@sandia.gov, Sandia National Laboratories

			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_GYRATION_H
			#define FIX_GYRATION_H

			#include "stdio.h"
			#include "fix.h"

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

			private:
			int me,first;
			FILE *fp;
			double masstotal;
			};

			#endif