[std-interval] Comments on the Interval Standard Proposal

Sylvain Pion Sylvain.Pion at sophia.inria.fr
Sun Oct 1 02:08:50 PDT 2006

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


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