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alister <alister.ware at ntlworld.com> writes: > 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 The one in the post up thread now (sadly) snipped. It's not a mathematical infinity at all but a particular floating point representation that results from float("inf"). However it is still just as "exceptional in many ways" as zero. (Sorry if you were making a joke and I didn't get it.) -- Ben.

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