Modern CPUs peform multiplication much faster than division, because of two reasons, multiplication are more considered worthy optimization and are easier to in silicon.↵
This tells how to replace two divisions with one with small accuracy compomise:↵
http://stereopsis.com/2div.html↵
Similarly, you can replace three divisions with one, etc.↵
This tells how to replace two divisions with one with small accuracy compomise:↵
http://stereopsis.com/2div.html↵
Similarly, you can replace three divisions with one, etc.↵