this post was submitted on 07 Dec 2023
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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.
Of course, but it's somewhat nasty when all of a sudden
is_even
doesn't do what you expect :).