Function idx_x

src/backend/cuda/kernel/fast.hpp:30–30

}

inline __device__ int idx_x(const int i) { return idx_y((i + 4) & 15); }

inline __device__ int idx(const int x, const int y) {
    return ((threadIdx.x + 3 + x) + (blockDim.x + 6) * (threadIdx.y + 3 + y));