[Python-ideas] math.inf and math.nan constants

Devin Jeanpierre jeanpierreda at gmail.com
Wed Jan 7 17:58:27 CET 2015

On Wed, Jan 7, 2015 at 10:55 AM, Ethan Furman <ethan at stoneleaf.us> wrote:
> On 01/07/2015 08:07 AM, Guido van Rossum wrote:
>> On Wed, Jan 7, 2015 at 7:23 AM, Marco Buttu wrote:
>>> On 07/01/2015 15:58, Todd wrote:
>>>> Yes, this would be a shortcut for that.  math.nan and math.inf are less verbose than float("nan") and
>>>> float("inf"), even if you aren't already using the math module (fewer characters total, and in particular fewer
>>>> special characters).  It would also, at least in my opinion, be more readable.  Plus there is already the
>>>> math.isnan and math.isinf, so I don't think it would be totally out-of-place.
>>>     I totally agree. +1
>> +1. Let's do it.
> Anything special for float('-inf') ?

There is no constant name as short and obvious as -math.inf.

-- Devin

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