[Python-Dev] Deprecating float.is_integer()

[Kirill Balunov]

 I apologize that I get into the discussion. Obviously in some situations
it will be useful to check that a floating-point number is integral, but
from the examples given it is clear that they are very rare. Why the
variant with the inclusion of this functionality into the math module was
not considered at all. If the answer is - consistency upon the numeric
tower - will it go for complex type and what will it mean (there can be two
point of views)?

Is this functionality so often used and practical to be a method of float,
int, ..., and not just to be an auxiliary function?

p.s.: The same thoughts about `as_integer_ratio` discussion.

With kind regards,
-gdg
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