this post was submitted on 25 Jun 2023

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submitted 1 year ago by sisyphean@programming.dev to c/programmer_humor@programming.dev

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[–] lemmyvore@feddit.nl 3 points 1 year ago* (last edited 1 year ago) (1 children)

Please don't try to approximate. Use the decimal module to represent numbers and everything will work as expected and it has a ton of other features you didn't know you needed.

https://docs.python.org/3/library/decimal.html#module-decimal

[–] nous@programming.dev 1 points 1 year ago

Decimal does come at a cost though, being slower than raw floats. When you don't need precision but do need performance then it is still valid to use floats. And quite often you don't need absolute precision for things.