[pypy-dev] Where is `float.is_integer`?

Alex Gaynor alex.gaynor at gmail.com
Sat Oct 29 01:27:04 CEST 2011


On Fri, Oct 28, 2011 at 7:24 PM, Ram Rachum <ram at rachum.com> wrote:

> Guys, am I missing something?
>
> -----------------------------
>
> *Python 2.7.2* (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit
> (Intel)] on win32Type "help", "copyright", "credits" or "license" for more
> information.
> >>> x = 4.5
> >>> x.is_integer()
> False
>
> -----------------------------
>
> Python 2.7.1 (080f42d5c4b4, Aug 23 2011, 11:41:11)
> [*PyPy 1.6.0* with MSC v.1500 32 bit] on win32
> Type "help", "copyright", "credits" or "license" for more information.
> And now for something completely different: ``- It's hard to say exactly
> what
> constitutes research in the computer world, but as a first approximation,
> it's
> software that doesn't have users.''
> >>>> x = 4.5
> >>>> x.is_integer()
> Traceback (most recent call last):
>   File "<console>", line 1, in <module>
> AttributeError: 'float' object has no attribute 'is_integer'
>
> -----------------------------
>
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>
>
Nope, it appears we're missing.  In our defense, CPython has *zero* tests
for it, so I'd just as soon assume it doesn't work at all...

Alex

-- 
"I disapprove of what you say, but I will defend to the death your right to
say it." -- Evelyn Beatrice Hall (summarizing Voltaire)
"The people's good is the highest law." -- Cicero
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