[issue28716] Fractions instantiation revisited

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

[Eric Wieser]

> This would allow the numpy `np.floating` types to take part in `Fraction` conversion as well, which would be great.

I'm confused: as far as I can tell, the NumPy floating-point types don't implement `as_integer_ratio`. (Except for `np.float64`, which subclasses `float` and so inherits `is_integer_ratio` from it.) Or are you suggesting that _if_ they were to implement `as_integer_ratio` at some point in the future, then they'd become compatible with `Fraction`?

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<https://bugs.python.org/issue28716>
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