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2+2 rule
(lemmy.blahaj.zone)
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this post was submitted on 08 Sep 2023
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Programmer: 2 + 2 is 3.99999999999999999
2 + 2 == 4 with any reasonable fixed and floating point format. In ieee 754 floats powers of 2 have a fraction of exactly 1.0 and differing exponents.