[Python-Dev] Deprecating float.is_integer()

[Mark Dickinson]

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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