No, unfortunately not. Only if you implement it exactly as it was done back in the day for FPUs. Any deviation and you might run into a more recent patent that

No, unfortunately not. Only if you implement it exactly as it was done back in the day for FPUs. Any deviation and you might run into a more recent patent that covers some aspect of a later implementation, maybe even something seemingly obvious or necessary. This is why it is called a patent “minefield.”