[Python-Dev] Deprecating float.is_integer()
Mark Dickinson
dickinsm at gmail.com
Wed Mar 21 18:53:09 EDT 2018
On Wed, Mar 21, 2018 at 8:49 PM, David Mertz <mertz at gnosis.cx> wrote:
> For example, this can be true (even without reaching inf):
>
> >>> x.is_integer()
> True
> >>> (math.sqrt(x**2)).is_integer()
> False
>
If you have a moment to share it, I'd be interested to know what value of
`x` you used to achieve this, and what system you were on. This can't
happen under IEEE 754 arithmetic.
--
Mark
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