Re: What does "infinty as number" mean?
On 2009-03-02 01:37:06 -0800, Dan Zuras Intervals wrote:
> lim inf 0/inf = -inf
> lim sup 0/inf = +inf
>
> but this last could be +/-0 in some cases in a definition in
> which strict control of the infinities & the signs of zero
> are maintained. I believe this must be part of the price we
> must pay for 'infinity as number'.
I disagree with these last two. The result MUST be 0 in both cases.
I don't see how you can obtain -inf or +inf.
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Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <http://www.vinc17.org/>
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Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)