#include "include/helper_math.h" __global__ void random_noise(double **image) { int2 unnormalized_coordinates = make_int2(blockDim.x, blockDim.y) * make_int2(blockIdx.x, blockIdx.y) + make_int2(threadIdx.x, threadIdx.y); int2 img_res = make_int2(blockDim.x, blockDim.y) * make_int2(gridDim.x, gridDim.y);//could move out of kernel for performance boost }