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def-pri-pub

HN member
Joined
Tue, Jan 03, 2017, 9:26 PM UTC
HN karma
214
Public activity
19 items

About def-pri-pub

C++/Qt Developer. Personal website: https://16bpp.net

Recent public activity

  1. comment
    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 #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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