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

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backgroundcow@lemmy.world
4 points

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.

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Chobbes@lemmy.world
2 points

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

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