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2+2 rule (lemmy.blahaj.zone)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 30 points 1 year ago (1 children)

Programmer: 2 + 2 is 3.99999999999999999

[–] [email protected] 27 points 1 year ago

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.