vel_res_update_kernel.h

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/*
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#ifndef __FLUID_VEL_RES_UPDATE_KERNEL__
#define __FLUID_VEL_RES_UPDATE_KERNEL__
 
template< typename T >
__global__ void vel_res_update_kernel(T * __restrict__ u_res,
                                      T * __restrict__ v_res,
                                      T * __restrict__ w_res,
                                      const T * __restrict__ ta1,
                                      const T * __restrict__ ta2,
                                      const T * __restrict__ ta3,
                                      const T * __restrict__ f_u,
                                      const T * __restrict__ f_v,
                                      const T * __restrict__ f_w,
                                      const int n) {
 
  const int idx = blockIdx.x * blockDim.x + threadIdx.x;
  const int str = blockDim.x * gridDim.x;
 
  for (int i = idx; i < n; i += str) {
    u_res[i] = (-u_res[i]) - ta1[i] + f_u[i];
    v_res[i] = (-v_res[i]) - ta2[i] + f_v[i];
    w_res[i] = (-w_res[i]) - ta3[i] + f_w[i];
  }
 
}
 
#endif // __FLUID_VEL_RES_UPDATE_KERNEL__