RE: [boost] discrete_set class

From: spamjunk_at_[hidden]
Date: 2002-08-27 12:07:24

David:

Pardon my ignorance, as my degrees are not in math.  Other than a restriction on
the element type, in what ways is this not a set.

Regards,

Rich Herrick

> People are thinking about your construct as a set, which is "open" in
> its nature.
> 
> I suggested to borrow some terms and ideas from the area of Finite
> Domain Constraint-solving. That proposal was apparently ignored, due to
> the introduction of unknowns and overall whimsical appearance ;-)
> 
> I think that using terms like "domain" or "finite_domain" with the
> semantics from Constraint solving would clarify that this construct,
> although being extremely useful, is not a regular "set".
> 
> /David
> 
> -----Original Message-----
> From: boost-bounces_at_[hidden]
> [mailto:boost-bounces_at_[hidden]] On Behalf Of spamjunk_at_[hidden]
> Sent: Tuesday, August 27, 2002 8:47 AM
> To: boost_at_[hidden]
> Subject: RE: [boost] discrete_set class
> 
> 
> Ok, this is my fault.  As Joel has pointed out, I neglected to provide
> documentation.  I apologize and will upload some as soon as I can.  For
> now, the problem with your examples is the class expects the values of
> the elements to be in the range [LO, HI].  You are trying to use values
> outside the range.  My understanding of C++ is that it is undefined
> behavior to convert an int to an enum when it is outside the enum's
> range.
> 
> pop-server.stny.rr.com
> 
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