Viewing profile — def-pri-pub
def-pri-pub
HN member- Joined
- Tue, Jan 03, 2017, 9:26 PM UTC
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About def-pri-pub
Recent public activity
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Comment #47401059
>> It also gets in the way of elegance and truth. Where did that come from in the article?
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Comment #47399521
Thank you for linking that!
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Comment #47339337
The reason for writing out all of the x multiplications like that is that I was hoping the compiler detect such a pattern perform an optimization for me. Mat Godbolt's "Advent of C…
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Comment #47339292
I did see that, but isn't the vast majority of that page talking about acos() instead?
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Comment #47339237
I did scan some (major) open source games and graphics related project and found a few of them using `std::asin()`. I plan on submitting some patches.
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Comment #47339211
Thanks!
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Comment #47339200
When I was working on this project, I was trying to restrict myself to the architecture of the original Ray Tracing in One Weekend book series. I am aware that things are not as SI…
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Comment #47339159
You'd be surprised how it actually is worth the effort, even just a 1% improvement. If you have the time, this is a great talk to listen to: https://www.youtube.com/watch?v=kPR8h4-…
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Comment #47339101
Funny enough that fdlimb implementation of asin() did come up in my research. I believe it might have been more performant in the past. But taking a quick scan of `e_asin.c`, I see…
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Comment #47338729
These are books that my uni courses never had me read. I'm a little shocked at times at how my degree program skimped on some of the more famous texts.
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Comment #47338692
Wait, what? Do you have a resource I could read up on about that? That is moderately concerning if your math isn't portable across chips.
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Comment #47336962
> floating point bithacks The forbidden magic
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