[issue19715] test_touch_common failure under Windows

[Antoine Pitrou]

Antoine Pitrou added the comment:

Looking at one of the failure instances:

>>> math.frexp(1385150397.383464)[0] * 2**53
5809741852347053.0
>>> math.frexp(1385150397.3834648)[0] * 2**53
5809741852347056.0

It doesn't seem that lack of FP precision would be sufficient to explain the problem, although it's true that it is quite close.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19715>
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