Not an answer to your exact question, but there's: https://graphics.stanford.edu/~seander/bithacks.html https://graphics.stanford.edu/~seander/bithacks.html A

Not an answer to your exact question, but there's: https://graphics.stanford.edu/~seander/bithacks.html https://graphics.stanford.edu/~seander/bithacks.html And if you like that, there's an entire book full of them, which is delightful: https://www.amazon.ca/Hackers-Delight-2nd-Henry-Warren/dp/0321842685 https://www.amazon.ca/Hackers-Delight-2nd-Henry-Warren/dp/03...