Quake III & the reciprocal square root
Descrição
In the C source code of the famous game “Quake III — Arena” you can find an incredibly efficient piece of code that seems totally insane and incomprehensible! It is the code for computing the…
![Quake III & the reciprocal square root](http://xperimex.com/img/fast-sqrt/logx.png)
Delta Thoughts - Quake III's Smartest Quasi-Square Root
![Quake III & the reciprocal square root](https://www.researchgate.net/publication/357417749/figure/tbl1/AS:1106551846768640@1640833927775/Error-rate-for-computing-the-reciprocal-square-root-with-the-Newton-Compensation-versus_Q320.jpg)
PDF) A Correctly Rounded Newton Step for the Reciprocal Square Root
![Quake III & the reciprocal square root](http://rrrola.wz.cz/img/inv_sqrt_graph.png)
Řrřlog :: Improving the fast inverse square root
![Quake III & the reciprocal square root](https://i.ytimg.com/vi/p8u_k2LIZyo/mqdefault.jpg)
Fast Inverse Square Root — A Quake III Algorithm
![Quake III & the reciprocal square root](https://cdn.80.lv/api/upload/meta/17078/images/612db662b705a/contain_1200x630.jpg)
Quake III Arena's Unknown Algorithm Explained
![Quake III & the reciprocal square root](https://inbetweennames.net/blog/2021-05-06-i76rsqrt/trainingfull.png)
Fast reciprocal square root in 1997?! - Shane Peelar's Blog
![Quake III & the reciprocal square root](https://external-preview.redd.it/xqXgiYfwnYyCcwGcx4OGkCA9IZkzz0WreW7HAwj8QCg.jpg?auto=webp&s=b1e65a84e291eacf3250b20752feec215d268630)
0x5f3759df and the fast inverse square root : r/programming
![Quake III & the reciprocal square root](https://p16-sign.tiktokcdn-us.com/tos-useast5-p-0068-tx/1b4209e6779f47689ab6bb5abcdc4e2d_1650891316~tplv-photomode-zoomcover:720:720.jpeg?x-expires=1700769600&x-signature=T5lk7I7pU%2Fyb0VeF%2FYqcK%2FxlLeM%3D)
Quake 3 Fast Inverse Square Root|TikTok Search
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I implemented the infamous Fast Inverse Square Root function from
![Quake III & the reciprocal square root](https://www.preethamrn.com/assets/static/c-memory.775f9c8.16b11570ac9347caccacfb55c1ebd4b9.png)
How Fast Inverse Square Root actually works - Preetham
![Quake III & the reciprocal square root](https://www.researchgate.net/profile/Oleh-Horyachyy-2/publication/349378473/figure/fig1/AS:996787275972608@1614664014752/Initial-approximation-y0-for-the-reciprocal-square-root-function-on-the-interval-x-1_Q320.jpg)
PDF) Modified Fast Inverse Square Root and Square Root
![Quake III & the reciprocal square root](https://miro.medium.com/v2/resize:fit:1200/1*azvjkGNLs1hDeYsgGV9WoA.jpeg)
Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm
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