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Here are some ressources related to Math, Floats, Precision. Hoping you will find learning material, alternative tools or just some interesting stuff.

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Articles

Implementing Cosine in C from Scratch (2020)

See discussion (63 comments, 180 points) - Archive

There Are Only Four Billion Floats–So Test Them All (2014)

See discussion (65 comments, 252 points) - Archive

CORDIC

See discussion (15 comments, 83 points) - Archive

Implementing Cosine in C from Scratch (2020)

See discussion (134 comments, 264 points) - Archive

A Shader Trick

See discussion (55 comments, 212 points) - Archive

R, OpenMP, MKL, Disaster

See discussion (42 comments, 117 points) - Archive

Speeding up atan2f

See discussion (103 comments, 245 points) - Archive

There are only four billion floats, so test them all (2014)

See discussion (175 comments, 501 points) - Archive

Even Faster Math Functions

See discussion (3 comments, 81 points) - Archive

NaN Gates and Flip FLOPS

See discussion (33 comments, 199 points) - Archive

Fixing a Small Calc.exe Bug

See discussion (117 comments, 279 points) - Archive

Faster arithmetic by flipping signs

See discussion (9 comments, 131 points) - Archive

Ryū: Fast Float-To-String Conversion

See discussion (42 comments, 148 points) - Archive

LibBF – a small library to handle arbitrary precision floating point numbers

See discussion (60 comments, 159 points) - Archive

There Are Only Four Billion Floats, So Test Them All (2014)

See discussion (50 comments, 329 points) - Archive

An adventure in trying to optimize math.Atan2 with Go assembly

See discussion (73 comments, 185 points) - Archive

Approximating sin(x) to 5 ULP with Chebyshev polynomials

See discussion (59 comments, 151 points) - Archive

Fuzzy string matching using cosine similarity

See discussion (18 comments, 83 points) - Archive

Solving a physics problem symbolically with C#

See discussion (11 comments, 87 points) - Archive

There Are Only Four Billion Floats – So Test Them All

See discussion (118 comments, 235 points) - Archive

On calculating Fibonacci numbers in C

See discussion (54 comments, 109 points) - Archive

We will try to stop fixing bugs in PHP

See discussion (300 comments, 382 points) - Archive

'9223372036854775807' == '9223372036854775808'

See discussion (138 comments, 129 points) - Archive

Why does changing 0.1f to 0 slow down performance by 10x?

See discussion (25 comments, 114 points) - Archive

PHP Bug: #50696: number_format when passed a 0, returns null

See discussion (48 comments, 95 points) - Archive

The code worked differently when the moon was full (2021)

See discussion (31 comments, 144 points) - Archive

Why the CORDIC algorithm lives rent-free in my head

See discussion (91 comments, 461 points) - Archive

Do not taunt happy fun branch predictor (2023)

See discussion (139 comments, 283 points) - Archive

Malloc broke Serenity's JPGLoader, or: how to win the lottery (2021)

See discussion (175 comments, 235 points) - Archive

How does cosine similarity work?

See discussion (103 comments, 179 points) - Archive