C++ Weekly - Ep 216 - C++20's lerp, midpoint And Why They Are Necessary

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Комментарии
Автор

Great tips. I'd be willing to bet that arithmetic overflow thing has to be a very common hard to find bug in software today.

DamianReloaded
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Absolutely on par as always Jason!!!

Thanks for this perfectly executed tutorial, always appreciated gaining *C++* insights.

essenceidentity
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Just posting this comment so your content will have more reach. Found it useful, thanks!

woolseyband
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Should have shown what happens in assembly with non-constexpr variables to see how it deals with overflow. But nice explanation anyhow =)

WhoNoMe
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Why lerp is in <cmath> while midpoint is in <numeric>? :/

David-wsrw
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This is absolutely amazing! Can you provide us some exercices about all that?

imcnx
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I feel there is some inconsistency in the order of the arguments between std::lerp(v, low, high) and std::clamp(low, high, v), since it's not the same for the two functions, i am unable to remember which one is in which order and need to open cppreference each time i use it.

alexandrebustico
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I just watched Jonathan Blow rage about the std::lerp implementation last week. If you really feel that the std lerp holds you back don't be afraid to write your own.

loomismeister
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There should have been a midpoint overload for RandomAccessIterators, which would be very useful.

cmdlp
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Is it okay to have two returns? one immediately after another one like here 1:22. There is no warning even with -Wextra.

simonluner
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Why is midpoint for pointers not noexcept? And what happens if you use it with virtual classes?

cmdlp