An Explanation of Quake III's “Fast Inverse Square Root” Algorithm [video] | Hacker News

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		An Explanation of Quake III's “Fast Inverse Square Root” Algorithm [video] (youtube.com)
		3 points by jedimastert on Jan 22, 2021 \| hide \| past \| favorite \| 1 comment

jedimastert on Jan 22, 2021 [–]

This is the first time I've fully understood the function and why it works

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