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submitted 1 year ago* (last edited 1 year ago) by andioop@programming.dev to c/programming_horror@programming.dev

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[-] mac@programming.dev 18 points 1 year ago* (last edited 1 year ago)

who needs modulo when you can get less characters out of

while (number > 1) {
  number -= 2;
}
return number;

very efficient

edit: or theres the trusty iseven api

[-] nullPointer@programming.dev 8 points 1 year ago

here is somewhat less:

return (number % 2) == 0;

[-] pivot_root@lemmy.world 10 points 1 year ago

return !(number & 1);

[-] venoft@lemmy.world 8 points 1 year ago* (last edited 1 year ago)

This is the way. Modulo takes too long to compute, bitwise compare should be a lot faster.

return !(number &amp; 0x1);

[-] recursive_recursion@programming.dev 5 points 1 year ago* (last edited 1 year ago)

oh shit yo

this comment chain is pretty awesome, I learned a lot from this thanks!

[-] perviouslyiner@lemm.ee 2 points 1 year ago

are the negative numbers all even?

[-] I_am_10_squirrels@beehaw.org 2 points 1 year ago

Yes

this post was submitted on 07 Dec 2023

198 points (100.0% liked)

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