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jmalicki • today at 10:27 AM • 2 replies • view on HN

.125 + .375 == .5

You should be using == for floats when they're actually equal. 0.1 just isn't an actual number.

Replies

emil-lp • today at 1:09 PM

Are you saying that my students should memorize which numbers are actual floats and which are not?

    > 1.25 * 0.1
    
    0.1250000000000000069388939039
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Sharlin • today at 10:40 AM

> 0.1 just isn't an actual number.

A finitist computer scientists only accepts those numbers as real that can be expressed exactly in finite base-two floating point?

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