The smallest and largest values of numeric types
Robert Kern
robert.kern at gmail.com
Tue Apr 17 11:12:59 EDT 2007
Lou Pecora wrote:
> In article <QA4Vh.122$Bz6.77 at read3.inet.fi>, tom at finland.com wrote:
>
>> Hi!
>> How can I determine the smallest and largest values of numeric types
>> (for example int) possible in my system? I think there exists a function
>> for this task but I don't know it.
>
> There is or was a module called "kinds" which was an implementation of
> PEP 0242. I have it and it gives the values you are looking for (and
> more). But I don't know where I got it. I think it was once
> distributed with Macpython on MacPython.org, but I'm not sure. I've
> searched for it, but nothing shows up except my own questions about it
> from many years ago and they have no clues.
I'm surprised they also didn't turn up my replies to those questions.
> Does anyone know where this package is? Or what might replace it. It
> is very useful.
It used to be distributed with Numeric.
http://numpy.cvs.sourceforge.net/numpy/kinds/
numpy exposes the same information for floating point types with its finfo
class. Nothing particular for ints.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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