Fast inverse square-root hack with magic constant 0x5f3759df (2012) (h14s.p5r.org)

46 points by shreyassaxena 11y ago ↗ HN

6 comments

[ 2.9 ms ] story [ 27.0 ms ] thread

[deleted] 11y ago ↗

(comment deleted)

I find it wonderful that the first mention of the constant on HN was in a username rather than in the title of a post.

dsp1234 11y ago ↗

The first mention on the entire site appears to actually be in this comment from 7 years ago.

This is awesome, but I wish I had a penny for every time this gets posted :)

fsloth 11y ago ↗

Thank lord this was actually a meaningfull explanation. The "magic constant" meme gave me always a headache. Kudos!