For summation just go with Kahan summation or some improved variant of it https:... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		zokier on Feb 19, 2024 \| parent \| context \| favorite \| on: Floats Are Weird For summation just go with Kahan summation or some improved variant of it https://en.wikipedia.org/wiki/Kahan_summation_algorithm

lifthrasiir on Feb 19, 2024 [–]

And if you can't remember that, you can use a pairwise summation like (((a+b)+(c+d))+((e+f)+(g+h)))+... which gives a decent error reduction in return.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact