On Wed, Mar 21, 2018 at 8:49 PM, David Mertz <me...@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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