gradientgpu.cuh
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	/*
	* gradientgpu.cuh
	*
	* Created on: Nov 29, 2016
	* Author: cerschae
	*/

	#ifndef GRADIENTGPU_CUH_
	#define GRADIENTGPU_CUH_

	#include "cudafunctions.cuh"
	#include "structure.h"

	struct point grad_halo_piemd_SOA_GPU(const struct point pImage, int Nlens, const struct Potential_SOA lens);

	__global__ void piemd_GPU(double grad_x_gpu, double grad_y_gpu, point pImage, int Nlens, double lens_x, double lens_y, double lens_b0, double lens_angle, double lens_epot, double lens_rcore, double lens_rcut);

	__device__ struct point rotateCoordinateSystem_GPU(struct point P, double theta);
	__device__ static double atomicAdd_double(double* address, double val);

	#endif /* GRADIENTGPU_CUH_ */