[issue39484] time_ns() and time() cannot be compared on windows

[Serhiy Storchaka]

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

The problem is that there is a double rounding in

    time = float(time_ns) / 1e9

1. When convert time_ns to float.
2. When divide it by 1e9.

The formula

    time = time_ns / 10**9

may be more accurate.

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nosy: +lemburg, mark.dickinson, rhettinger, stutzbach

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39484>
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