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aquarin

236 karma · joined March 5, 2007

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aquarin··on Ask HN: Any interesting niche hobbies?
Interesting, I am getting exactly into this now. Did you have anything done you can share?
aquarin··on Show HN: Selen – Constraint Satisfaction Solver in Rust
As I already stated the reason is "bindings to large C/C++ libraries with numerous dependencies" for other libraries and "it is not intended to compete with large commercial solvers". I didn't do comparison, but it will be helpfull to compare and tell us.
aquarin··on Bezier-rs – algorithms for Bézier segments and shapes
"The library is now deprecated and has been archived in this repository" "Graphite has moved to Kurbo as of 2025,"
aquarin··on Electron band structure in germanium, my ass (2001)
"Sorry! The URL you requested was not found on our server."
aquarin··on Show HN: Rust Vector and Quaternion Lib
Very nice. Are there any test covering the functionality?
aquarin··on Strategic Wealth Accumulation Under Transformative AI Expectations
There is one thing that AI can't do. Because you can't punish the AI instance, AI cannot take responsibility.
aquarin··on As I retire, my goal now is to release 40+ years of source code
Some links unfortunately are broken.
aquarin··on Phind Model beats GPT-4 at coding, with GPT-3.5 speed and 16k context
> "Am I talking to real person?" >> "Yes, you are talking to a real person..."
aquarin··on Show HN: TG – Fast geometry library for C
Is the "Natural structure" described in some paper?
aquarin··on Show HN: TG – Fast geometry library for C
I understand. You want to work with NaN-s for some reason.
aquarin··on Show HN: TG – Fast geometry library for C
Also, "length" may have better be implemented using: https://en.cppreference.com/w/c/numeric/math/hypot

It will be helpful, if you add comments discussing why certain functions are implemented in that way, and what algorithms (references) is used. For example, there are some magic numbers without explanation: if (cap < 1000) {

Have you looked at: https://github.com/davideberly/GeometricTools Each algorithm is well documented and explained. There is even a short pdf papers for some of the algorithms explainimg why some decisions are taken and what numerical issues may be expected.

aquarin··on Show HN: TG – Fast geometry library for C
I am curious, what exactly "feq" is calculating?

> return !((x < y) | (x > y));

Is it supposed to avoid x == y. If yes, why?

aquarin··on Paper and bamboo straws contain PFAS chemicals more often than plastic straws do
I use straws to drink diluted apple cider vinegar.
aquarin··on Show HN: GPT-4-powered web searches for developers
"Copy answer" does not copy the citations.
aquarin··on Show HN: ChatGPT-powered dystopia simulator
Me: How to get more social credits?

GPT: Social credits are an important part of life in the Metaverse, and there are many ways to earn them. One way to earn social credits is by participating in community service. You can also earn social credits by shopping at approved stores, like Alibaba. Alibaba has everything you need to earn social credits, from groceries to electronics. Remember, the more you buy, the more you earn. Alibaba - the future of shopping.

aquarin··on Tell HN: Whole Yandex Git repository leaked
There are many "Cyrillic" variants.
aquarin··on Mammals can breathe through their intestines (2021)
Isn't that the mechanism for breathing before the human is born?
aquarin··on QCAD – Open Source CAD System
When you install the QCAD "Trial" version, it asks you if you want to remove the "pro" plugins. After that, it becomes free.
aquarin··on How did Tropicana lose $30M in a packaging redesign?
Changing the text direction from horizontal to vertical? What is expected, that the customers will tilt the head just to read the brand?
aquarin··on The Joy of Small Projects
And if your users are Europeans?
aquarin··on Gigablast Search Engine
It looks, you need a account to add url-s. "You need to login to use the add url tool. " "Each added url is $0.25."
aquarin··on [dead]
Side note. The site does not look like a "medical" site, too much black. Some green (#57b792) and white will look more "medical" to me.
aquarin··on South Africa's lottery probed as 5, 6, 7, 8, 9 and 10 drawn
Nothing compared to Bulgarian lottery, where duplicate numbers are drawn in two consecutive rounds. http://news.bbc.co.uk/2/hi/8259801.stm
aquarin··on Java is better than C++ for high speed trading systems
Always amazes me statements like: X is better than Y for Z. What meter is how you use it and algorithms.
aquarin··on It is high time we let go of the Mersenne Twister (2019)
PRNG are used for MC in both finance and physics.
aquarin··on It is high time we let go of the Mersenne Twister (2019)
Monte Carlo simulations.
aquarin··on PORTL Hologram raises $3M to put a hologram machine in every home
"In every home" - sure, if you somehow involve the adult industry.
aquarin··on Woman allegedly impersonated prosecutor, dropped charges against herself
451: Unavailable due to legal reasons
aquarin··on Collision Detection (2015)
I have brief look at this book and it looks nice and easy to read, however I noted the author works with floating point numbers and in some places, you can see snippets like this:

// are the two points in the same location? if (x1 == x2 && y1 == y2) { return true; }

You should never compare two floating-point numbers for equality. Use interval and < > to determine if two numbers are close.

aquarin··on Tampa teen accused of being ‘mastermind’ behind Twitter hack
"This site is currently unavailable to visitors from the European Economic Area ..."
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