Function make_columns_arenas 

fn make_columns_arenas<T, const N: usize>(
    image: &[T],
    image_size: FilterImageSize,
    kernel_size: KernelShape,
) -> ArenaColumns<T>
where
    T: Default + Copy + Send + Sync + 'static,
    f64: AsPrimitive<T>,

Pads a column image with clamp strategy

This method is used for virtual column padding. It produces two arrays that represents virtual image top part and bottom