this post was submitted on 07 Dec 2023
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[–] nullPointer@programming.dev 9 points 11 months ago (2 children)

here is somewhat less:

return (number % 2) == 0;

[–] pivot_root@lemmy.world 10 points 11 months ago (1 children)
[–] venoft@lemmy.world 8 points 11 months ago* (last edited 11 months ago) (1 children)

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

return !(number & 0x1);
[–] recursive_recursion@programming.dev 5 points 11 months ago* (last edited 11 months ago)

oh shit yo

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

[–] huf@hexbear.net 4 points 11 months ago

just check the last bit jesus christ, what is it with these expensive modulo operations?!

return !(n&1);