fix_gravity_cuda.h
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	/* ----------------------------------------------------------------------
	LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator

	Original Version:
	http://lammps.sandia.gov, Sandia National Laboratories
	Steve Plimpton, sjplimp@sandia.gov

	See the README file in the top-level LAMMPS directory.

	-----------------------------------------------------------------------

	USER-CUDA Package and associated modifications:
	https://sourceforge.net/projects/lammpscuda/

	Christian Trott, christian.trott@tu-ilmenau.de
	Lars Winterfeld, lars.winterfeld@tu-ilmenau.de
	Theoretical Physics II, University of Technology Ilmenau, Germany

	See the README file in the USER-CUDA directory.

	This software is distributed under the GNU General Public License.
	------------------------------------------------------------------------- */

	#ifdef FIX_CLASS

	FixStyle(gravity/cuda,FixGravityCuda)

	#else

	#ifndef LMP_FIX_GRAVITY_CUDA_H
	#define LMP_FIX_GRAVITY_CUDA_H

	#include "fix.h"
	#include "cuda_data.h"

	namespace LAMMPS_NS {

	class FixGravityCuda : public Fix {
	public:
	FixGravityCuda(class LAMMPS , int, char *);
	int setmask();
	void init();
	void setup(int);
	void post_force(int);

	private:
	class Cuda *cuda;
	int style;
	double magnitude,dt;
	double phi,theta,phigrad,thetagrad;
	double xdir,ydir,zdir;
	double xgrav,ygrav,zgrav,xacc,yacc,zacc;
	double degree2rad;
	int time_origin;
	};

	}

	#endif
	#endif