> Mathematically, 1/0 is not +Infinity.  It's undefined/indeterminate
> in the set of rational numbers.  The IEEE may say otherwise.

Mathematically, 1/0 is whatever you define it to be. 

And it is perfectly correct to assume that operations happen in the 
extended real line, and thus that 1/0 is exactly +Inf.

And probably more convenient.

The only remote problem is that the extended real line isn't a proper 
field. But, who cares...

-angel

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