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4 billion if statements (andreasjhkarlsson.github.io)

submitted 11 months ago by savvywolf@pawb.social to c/programmer_humor@programming.dev

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[-] DarkGamer@kbin.social 2 points 11 months ago

This is why every programmer needs to understand the modulo operator.

[-] jaybone@lemmy.world 3 points 11 months ago

Or bitwise AND.

[-] Reptorian@programming.dev 2 points 10 months ago

This is what I prefer too! I also some times prefer to use bitshift when it comes to division or multiplication of power of 2.

[-] MxM111@kbin.social 2 points 11 months ago

I would divide by two (floating point) and check the fractional part.

[-] sus@programming.dev 6 points 11 months ago

turns out that 2^53 + 1 is an even number

[-] iknowitwheniseeit@lemmynsfw.com 2 points 11 months ago

The article only covers unsigned 32-bit numbers, so floating point division would be fine.

this post was submitted on 28 Dec 2023

347 points (97.5% liked)

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