MENU

Fun & Interesting

Why 0.1 + 0.2 === 0.30000000000000004: Implementing IEEE 754 in JS

Low Byte Productions 69,991 lượt xem 5 years ago
Video Not Working? Fix It Now

Floating point math is tricky. In this video, we'll learn how these numbers work in computers, and build a software implementation from scratch in JavaScript.

=[ 🔗 Links 🔗 ]=

- ⭐️ Patreon: https://www.patreon.com/lowleveljavascript
- 💌 Updates to your inbox: https://tinyletter.com/lowleveljavascript

- Floating Point Arithmetic: https://en.wikipedia.org/wiki/Floating-point_arithmetic
- 16 Bit Floats: https://en.wikipedia.org/wiki/Half-precision_floating-point_format
- IEEE 754 Spec: https://ieeexplore.ieee.org/document/30711
- Fabien Sanglard's awesome blog on the subject: http://fabiensanglard.net/floating_point_visually_explained/
- Denormalised Numbers: https://en.wikipedia.org/wiki/Denormal_number
- Github Repo: https://github.com/LowLevelJavaScript/Floating-Point-Implemented-In-JS

Comment