Java – double counting that produces odd results

See English answer > is floating point math broken? 28

Solution

Oh, I like these... These are caused by inaccuracies in double representation. Floating point operations are full of these It is usually caused by repeated numbers in binary (i.e. base-2 floating point representation) For example, in decimal 1 / 3 = 0.3333 ', binary 1 / 10 is a repeating number, which means that it cannot be represented perfectly Try this: 1 – 0.1 – 0.1 – 0.1 – 0.1 You won't get 0.6

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