
Boost : 
Subject: Re: [boost] boost interval arithmetic
From: Marc Glisse (marc.glisse_at_[hidden])
Date: 20150114 13:17:09
(you seem to have missed the content of my previous reply, so warning: my
reply is in the middle of your message, topposting is considered wrong on
this list)
On Wed, 14 Jan 2015, ÐŸÐ°Ð²ÐµÐ» ÐšÑƒÐ´Ð°Ð½ wrote:
> Simple example.
>
> Say, we are trying to estimate some physical value with interval
> calculation depending on some measured values (as values are measured,
> they are not exact, known to us as some ranges of possible values, it's
> quite natural to use interval calculations here).
>
> Let it be some mass.
>
> A = [1,2]
> B = [1, 1]
>
> M = A / B
>
> Calculated result with boot interval is [infinity, 1].
It gives [inf,+inf] for me. If you get something different, please file a
bug report in https://svn.boost.org/trac/boost/ with a compilable example
and as much information as you can so we can reproduce your result.
> OK, but mass cannot be negative...
>
> Correct part of answer [1, infinity] which means that we have at least
> estimation of minimum for calculated value is lost...
 Marc Glisse
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk