Can math.atan2 return INF?

alister alister.ware at ntlworld.com
Thu Jun 23 11:04:44 EDT 2016


On Thu, 23 Jun 2016 15:39:43 +0100, Ben Bacarisse wrote:

> Steven D'Aprano <steve+comp.lang.python at pearwood.info> writes:
> 
>> On Thursday 23 June 2016 14:40, Dan Sommers wrote:
>>
>>>> Since x == y, the answer should be the same as for any other pair of
>>>> x == y.
>>> 
>>> When x == y == 0, then atan2(y, x) is 0.
> 
> I see just added noise by making the same comment before reading the
> rest of the thread.  Sorry.
> 
>> /s/any other pair of x == y/any other pair of x y except for zero/
>>
>> :-P
>>
>>
>> Zero is exceptional in many ways.
> 
> whereas infinity...  :-)

which infinity. There are many - some larger than others 



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