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God I wish there was an easier way to do this (programming.dev)

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

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[-] backgroundcow@lemmy.world 4 points 1 year ago

Ackchyually-- IEEE 754 guarantees any integer with absolute value less than 2^24 to be exactly representable as a single precision float. So, the "divide by 2, check for decimals" should be safe as long as the origin of the number being checked is somewhat reasonable.

[-] Chobbes@lemmy.world 2 points 1 year ago

Of course, but it's somewhat nasty when all of a sudden is_even doesn't do what you expect :).

this post was submitted on 07 Dec 2023

198 points (100.0% liked)

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