#floating-point — Public Fediverse posts

Fc, a lossless compressor for floating-point streams

https://github.com/xtellect/fc

#HackerNews #losslesscompression #floatingpoint #streams #dataengineering #softwaredevelopment

Yikes:

https://grep.app/search?q=sort.%2A%5Cn%2A.%2A.partial_cmp.%2Aunwrap_or.%2AOrdering&regexp=true&case=true

A good example of the consequences of poor API design.

#rust #FloatingPoint

An excellent introduction to #quantization used for #LLMs 👌🏽:

“Quantization From The Ground Up”, Sam Rose, Ngrok (https://ngrok.com/blog/quantization).

On HN: https://news.ycombinator.com/item?id=47519295

#AI #Math #FloatingPoint #NumericalAnalysis #Numbers #NeuralNetworks #Precision #Accuracy

🧐:

“It’s OK To Compare Floating-Points For Equality”, Nikita Lisitsa (https://lisyarus.github.io/blog/posts/its-ok-to-compare-floating-points-for-equality.html).

Via HN: https://news.ycombinator.com/item?id=47767398

On Lobsters: https://lobste.rs/s/l6c9wi/it_s_ok_compare_floating_points_for

#Math #Programming #FloatingPoint #NumericalAnalysis #Precision #Errors #Numerics

Ah yes, another riveting tale of microcontrollers—because who doesn't love a deep dive into floating point #arithmetic on a #hobbyist chip? 🙄 Spoiler: if you enjoy endless links leading to nowhere and cryptic jargon, this post is your Disneyland. 🎢 Go ahead, embrace the thrill of being hopelessly confused! 🤓
https://danielmangum.com/posts/floating-point-cortex-m/ #microcontrollers #floatingpoint #techhumor #confusion #HackerNews #ngated

Floating Point Fun on Cortex-M Processors

https://danielmangum.com/posts/floating-point-cortex-m/

#HackerNews #FloatingPoint #Fun #CortexM #Microcontrollers #EmbeddedSystems #TechTalks

New blog post! I really hope I'll get a decent amount of people mad with this one 😈😈😈

It's OK to compare floating-points for equality:

https://lisyarus.github.io/blog/posts/its-ok-to-compare-floating-points-for-equality.html

#programming #computing #floatingpoint #geometry

Floating point from scratch: Hard Mode

https://essenceia.github.io/projects/floating_dragon/

#HackerNews #FloatingPoint #Programming #ComputerScience #HardMode #TechEducation #HackerNews

Herbie: Automatically improve imprecise floating point formulas

https://herbie.uwplse.org/doc/latest/tutorial.html

#HackerNews #Herbie #FloatingPoint #Improvement #Precision #Algorithms #Tutorial

🚀✨ Behold, the thrilling tale of querying 3 billion vectors—a journey where Vicki Boykis heroically attempts to decode Jeff Dean's cryptic wisdom on #mapreduce. Spoiler: It's basically a nerdy treasure hunt for semantically similar items, but with more floating-point numbers than your brain can handle. 💻🧠
https://vickiboykis.com/2026/02/21/querying-3-billion-vectors/ #HackerNews #VickiBoykis #treasureHunt #techJourney #floatingPoint #HackerNews #ngated

0.1 + 0.2 In SQL = 0.30000000000000004?!

SQL floating point precision is broken! Adding 0.1 + 0.2 creates a number with precision errors. This breaks financial calculations! Watch!

#sql #sqltricks #database #sqltutorial #floatingpoint #precision #sqlquiz #codingchallenge #sqlshorts #sqlbugs #numericprecision #sqlwtf

https://www.youtube.com/watch?v=C53FQIhge3U

Another excellent post 👌🏽 from Russ Cox 👇🏽🫡:

“Floating-Point Printing And Parsing Can Be Simple And Fast” (https://research.swtch.com/fp).

On HN: https://news.ycombinator.com/item?id=46685317

On Lobsters: https://lobste.rs/s/nbsclr/floating_point_printing_parsing_can_be

#Programming #Math #FloatingPoint #Numbers #PLDI #Parsing #Printing

Learn about numeric data types (and the number 998,001) in Python

The value 1 / 998,001 has an interesting property, but to see it in Python you need to learn about numeric data types.

https://rodstephensbooks.com/many_digits.html

#Python #FloatingPoint #Decimal #Precision

Проектирование FPU блока, работающего на частоте 7 ГГц

Данный проект представляет собой современный вычислительный блок, предназначенный для обработки научных и графических данных на сверхвысокой частоте 7 ГГц . Архитектура построена на базе 128-битных векторов и 5-стадийного конвейера.

https://habr.com/ru/articles/993270/

#floatingpoint #floating_point

Conditions in the Intel 8087 floating-point chip's microcode

https://www.righto.com/2025/12/8087-microcode-conditions.html

#HackerNews #Intel8087 #FloatingPoint #Microcode #Technology #History #ComputerArchitecture

How to Stop Floating Point Money Bugs

0.1 + 0.2 is not 0.3 in JavaScript.

#javascript #floatingpoint #money #bug #howto #math

https://www.youtube.com/watch?v=cCvDtsba810

Il faudrait un diplôme avant d'autoriser l'utilisation des nombres à virgule flottante.

#floatingpoint #ieee754

Zmij: Faster floating point double-to-string conversion

https://vitaut.net/posts/2025/faster-dtoa/

#HackerNews #Zmij #FloatingPoint #Conversion #FasterDtoa #Programming #TechNews

0.1 + 0.2 = 0.30000000000000004?!

JavaScript math is broken! Adding 0.1 + 0.2 creates a number that will shock you. This is why financial apps fail! Watch the chaos!

#javascript #javascripttricks #codingtips #programmingtutorial #floatingpoint #javascriptquiz #codingchallenge #javascriptshorts #javascriptbugs #mathprecision #javascriptwtf #numberprecision

https://www.youtube.com/shorts/MC2ipBoctZo

Explainer: Numbers

https://fed.brid.gy/r/https://eclecticlight.co/2025/12/06/explainer-numbers/

This is still the best thing ever: https://i.kym-cdn.com/photos/images/newsfeed/002/128/164/13b.png #FloatingPoint #Meme #ProgrammerHumor — #microblogging #MicroToot: 137 characters

i just found https://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/ by @randomascii and i am amazed.

thank you for this great post!

#floatingpoint