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Deconstructing Bézier curves

Tue 16 Aug 2022

Graphists, animators, game programmers, font designers, and other graphics professionals and enthusiasts are often working with Bézier curves. They're popular,...

prog, math

Invert a function using Newton iterations

Thu 11 Aug 2022

Newton's method is probably one of the most popular algorithm for finding the roots of a function through successive numeric...

prog, math

From roots to polynomials

Sun 07 Aug 2022

Polynomials can be represented in various forms. The most common ones are those I call the "sum of powers" (for...

prog, math

The most useful math formulas

Wed 09 Jun 2021

These last years, in the context of working on a graphic rendering engine, I've been confronted to many engineering problems...

prog, math

Building a competitive ladder for OpenRA

Fri 25 Dec 2020

3 years ago, mainly for nostalgic reasons, I started playing [OpenRA](, a free and open-source re-implementation of the engine of...

prog, openra

Finding specific multimedia samples

Thu 13 Aug 2020

When working in multimedia or image processing projects such as FFmpeg, we tend to accumulate a lot of samples over...

prog, ffmpeg, av

Story of debugging a crash in MPD

Wed 12 Aug 2020

Getting close to 3 years without posting. I haven't been peacefully enjoying a retired commoner life during all this time....

prog, debug, reverse, av

Making development board cases with ShimonBox

Tue 17 Oct 2017

Collecting ARM development boards has become a disease I've been carrying for a while now. Welcoming a new board to...

prog, openscad, 3dprint

Dealing with the ARM AArch64 SIMD documentation

Fri 26 May 2017

The ARMv8 instruction set documentation has always been garbage, and particularly the SIMD sections. In comparison, the Intel documentation provides...

prog, fun

Templating in C

Sat 28 Feb 2015

The question of how to do templating in C is often raised, and I couldn't find a good overview of...


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