[Python-Dev] Deprecating float.is_integer() (original) (raw)
Mark Dickinson dickinsm at gmail.com
Wed Mar 21 18:53:09 EDT 2018
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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.isinteger() True >>> (math.sqrt(x**2)).isinteger() 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.
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