[std-interval] Comments on the Interval Standard Proposal

[R. Baker Kearfott]

At 01:08 AM 10/1/2006 +0200, Sylvain Pion wrote:
>Gabriel Dos Reis a écrit :
>> | For implementations which do not support infinity, how do you check if
>> | an interval is bounded ?  Currently we can't.
>> 
>> Hmm, I'm unclear about this one.  If the implementation does not
>> support infinity, does not it follow all intervals are bounded?
>
>I was thinking that implementations could store extra data members
>specifying if a bound is infinite.  You can't return it through
>.lower(), because the floating-point type does not have a value
>for infinity, but is_positively_bounded() can return the
>information.
>

Isn't this just another implementation of the mathematical concept
of infinity (albeit in software)?

Baker

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R. Baker Kearfott,    rbk at louisiana.edu   (337) 482-5346 (fax)
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