[Fwd: The LP Module (Again)]

[Gustavo Gutierrez]

Hi all,


I have applied the patch contributed by Paul Snively to the lp module
hosted at gna.

Thanks for your contribution Paul.

Cheers,
Gustavo

On 3/3/07, Paul Snively <psnively at mac.com> wrote:
> Gentlemen,
>
> Thanks for your attention to my question. You're both correct: my
> patch is for the LP module found at gna.org for the simple reason
> that the one from Oz's "contrib" directory isn't installed by the
> Mozart-Oz 1.3.2 installer for Mac OS X, and in googling for it I
> found the gna.org one. :-)
>
> My patch allows the module to compile and run on all of the examples
> given in the docs on the gna.org site; I'm quite confident that the
> patch is "correct." However, in the custom constraint propagator
> tutorial on the Mozart-Oz.org site, there's an intriguing example
> demonstrating combined FD constraints and LP by means of RI.intBounds
> that I have been unsuccessful in getting to work, but I'm sure that's
> due to transcription errors rather than bugs. Nevertheless, I'm
> stumped at present, so any insights that anyone can offer as to how
> I'm in error would be greatly appreciated.
>
> Best regards,
> Paul Snively
>
> On Feb 26, 2007, at 6:09 AM, Gustavo Gutierrez wrote:
>
> > On 2/26/07, Boriss Mejias <boris.mejias at uclouvain.be> wrote:
> >> Dear Hackers,
> >>
> >> Here is a proposal of Paul Snively for fixing some bugs in the LP
> >> module. In order to take a decision about this, I would like to
> >> understand some things.
> >>
> >> Are these fixes meant for the LP code included in mozart/contrib/
> >> lp ? In
> >> that case, I'm confused because the patch doesn't match the source
> >> code.
> >>
> > No there aren't.
> >
> >> Is there any other LP module?
> >>
> >> Is there anybody with enough knowledge about the LP module to give an
> >> opinion about the patch?
> >
> >
> > Some time ago i reimplemented  the real interval module because the
> > one made by Tobias Mueller had some problems and did not provide
> > enough operations to suit our needs. I build the new module from
> > scratch and uploaded it to gna.org.  This new module never has been
> > part of the  official mozart repository. However i thin it offers
> > several advantage over the official one.
> >
> > As the LP module provided in the mozart sources relies in the real
> > interval module i also implemented a new module for that. Both modules
> > can be found at the https://gna.org site.
> >
> > I think there is an important question: Should we include the new ri
> > and lp modules in the mozart distribution?.  Or maybe we can put them
> > in the mogul repository.
> >
> > Cheers,
> > --
> > Gustavo Gutierrez
>
>