[issue14722] Overflow in parsing 'float' parameters in PyArg_ParseTuple*

[Serhiy Storchaka]

Serhiy Storchaka <storchaka at gmail.com> added the comment:

I also thought about ±∞. But PyLong_AsDouble() raises OverflowError for
out-of-range value. And it checks strictly out of ±DBL_MAX.

Because float(10**1000) returns no float('inf'), but raises an
exception, I think that returning ±∞ will be wrong.

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<http://bugs.python.org/issue14722>
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