Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm
Descrição
In 2005, a game company open-sourced the engine software for their video game Quake 3 arena and after looking in that source code fans of the game discovered an algorithm that was so ingenious it…
![Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm](https://particl.digital/file/2019/05/Cool-Code-Sundays-Quake3.jpg)
Cool Code - Quake 3 Fast InvSqrt() - Particl Digital
![Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm](https://upload.wikimedia.org/wikipedia/commons/thumb/5/53/OpenArena-Rocket.jpg/220px-OpenArena-Rocket.jpg)
Fast inverse square root - Wikipedia
![Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm](https://staging.cohostcdn.org/attachment/1472d071-9c48-4d2a-917f-bf8278acd2ca/Screen%20Shot%202022-10-16%20at%203.25.21%20PM.png)
cohost! - How to write your next math function in the style of John Carmack: understanding the fast inverse square root
![Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm](https://thatonegamedev.com/wp-content/uploads/2023/02/BlackTransparentRounded.png)
Quake III's Fast Square Root - That One Game Dev
![Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm](https://cdn.jsdelivr.net/gh/Yousazoe/picgo-repo/img/image-20210827180919622.png)
Fast Inverse Square Root — a Quake III Algorithm
![Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm](https://onestepcode.com/wp-content/uploads/2021/07/fast_inverse_square_root.png)
Benchmarking Carmack's fast inverse square root - One Step! Code
![Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm](https://i1.rgstatic.net/publication/334966549_A_Modification_of_the_Fast_Inverse_Square_Root_Algorithm/links/5dc29f7f4585151435ecb975/largepreview.png)
PDF) A Modification of the Fast Inverse Square Root Algorithm
![Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm](https://greatcode.dev/_next/image?url=https%3A%2F%2Fapi.greatcode.dev%2Frender%2F36.jpg%3Foption%3D1&w=3840&q=75)
Fast Inverse Square Root
![Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm](https://img.yumpu.com/17830531/1/190x245/a-high-quality-fast-inverse-halftoning-algorithm-for-laboratory-for-.jpg?quality=85)
Fast inverse square root
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