[Fwd: The LP Module (Again)]

[Boriss Mejias]

excellent!

Can you add some comment and closed the ToDo task 16? and also verify if 
there were some bug reports related.

cheers
Boriss


Gustavo Gutierrez wrote:
> 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
>>
>>