grid_gradient_GPU.cuh
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Created: Thu, Apr 3, 15:25

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

	#ifndef GRID_GRADIENT_GPU_CUH_
	#define GRID_GRADIENT_GPU_CUH_

	#include "cudafunctions.cuh"
	#include "gradient_GPU.cuh"
	#include <structure_hpc.h>

	void gradient_grid_GPU_sorted(double grid_grad_x, double grid_grad_y, const struct grid_param frame, const struct Potential_SOA lens, int Nlens,int nbgridcells);
	void gradient_grid_GPU_sub(double grid_grad_x, double grid_grad_y, const struct grid_param frame, const struct Potential_SOA lens, int nhalos,int nbgridcells, int indexactual, int Ncells );
	void gradient_grid_GPU_multiple(double grid_grad_x, double grid_grad_y, const struct grid_param frame, const struct Potential_SOA lens, int nhalos, int nbgridcells);

	__global__ void gradient_grid_kernel(double grid_grad_x, double grid_grad_y, const struct grid_param frame, int Nlens,int nbgridcells, const struct Potential_SOA lens);
	__global__ void gradient_grid_kernel_multiple(double grid_grad_x, double grid_grad_y, const struct grid_param frame, int Nlens, int nbgridcells, const struct Potential_SOA lens, int indexactual, int ncells);

	__device__ static double atomicAdd_double(double* address, double val);


	__host__ void allocatekernelmemory(double grid_grad_x_kernel, double grid_grad_y_kernel, struct grid_param frame_kernel, struct Potential_SOA lens_kernel,const struct grid_param frame, const struct Potential_SOA lens, int nhalos, int Ncells);
	void freekernelmemory(double grid_grad_x_kernel, double grid_grad_y_kernel, struct grid_param frame_kernel, struct Potential_SOA lens_kernel);


	#endif /* GRADIENTGPU_CUH_ */

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