On 2021-11-19 12:43:07 +0100, ast wrote: > Le 19/11/2021 à 03:51, MRAB a écrit : > > On 2021-11-19 02:40, 2qdxy4rzwzuui...@potatochowder.com wrote: > > > On 2021-11-18 at 23:16:32 -0300, > > > René Silva Valdés <rene.silva.val...@gmail.com> wrote: > > > > Hello, I would like to report the following issue: > > > > > > > > Working with floats i noticed that: > > > > > > > > int(23.99999999999999/12) returns 1, and > > > > int(23.999999999999999/12) returns 2 > > > > > > > > This implies that int() function is rounding ... [...] > > Python 3.10.0 (tags/v3.10.0:b494f59, Oct 4 2021, 19:00:18) [MSC v.1929 > > 64 bit (AMD64)] on win32 > > Type "help", "copyright", "credits" or "license" for more information. > > >>> 23.99999999999999 == 24 > > False > > >>> 23.999999999999999 == 24 > > True > > >>> 0.3 + 0.3 + 0.3 == 0.9 > False
Fascinating. The OP ran into the fact that FP numbers have a limited
number of digits in the mantissa (completely independent of the base).
Someone else mentions 0.3 and everybody takes off on that tangent.
hp
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