<br><font size=2><tt>Bob:</tt></font>
<br>
<br><font size=2><tt>>the entire AMPL-solver library is open-source,
</tt></font>
<br><font size=2><tt>>available at http://www.netlib.org/ampl/solvers/.
</tt></font>
<br>
<br><font size=2 face="sans-serif">Under what OSI-certified open-source
licence?</font>
<br><font size=2 face="sans-serif">I didn't see any mention of license
in the README file of this directory, or any LICENSE file. </font>
<br>
<br><font size=2 face="sans-serif">Thanks,</font>
<br><font size=2 face="sans-serif">Robin</font>
<br><font size=2 face="sans-serif"><br>
----------------------------------------------------------------------------------<br>
Robin Lougee-Heimer<br>
IBM TJ Watson Research Center<br>
1101 Kitchawan Road, Yorktown Heights, NY 10598<br>
ph: 914-945-3032 fax: 914-945-3434 <br>
robinlh@us.ibm.com<br>
http://www.coin-or.org<br>
<br>
</font>
<br>
<br>
<br>
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<td width=40%><font size=1 face="sans-serif"><b>"Robert Fourer"
<4er@iems.northwestern.edu></b> </font>
<br><font size=1 face="sans-serif">Sent by: coin-discuss-bounces@list.coin-or.org</font>
<p><font size=1 face="sans-serif">01/06/2006 07:35 PM</font>
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<div align=center><font size=1 face="sans-serif">Please respond to<br>
4er and Discussions about open source software for Operations Research
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<div align=right><font size=1 face="sans-serif">To</font></div>
<td valign=top><font size=1 face="sans-serif">"'Discussions about
open source software for Operations Research'" <coin-discuss@list.coin-or.org></font>
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<td>
<div align=right><font size=1 face="sans-serif">cc</font></div>
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<td>
<div align=right><font size=1 face="sans-serif">Subject</font></div>
<td valign=top><font size=1 face="sans-serif">RE: [Coin-discuss] AMPL interface
to CLP?</font></table>
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<br>
<br><font size=2><tt><br>
I would add that the entire AMPL-solver library is open-source, available
at<br>
http://www.netlib.org/ampl/solvers/. Instructions for using the library
to<br>
write an AMPL-solver "driver" are at http://www.ampl.com/hooking.html.
Source<br>
for many previously written drivers is also available, in the same location
as<br>
the library source, so it's often possible to modify an existing driver
rather<br>
than start from scratch.<br>
<br>
Leo makes a good point of mentioning the work with LPFML and OSiL, which
is<br>
intended to eventually render it unnecessary to write a separate driver
for<br>
every modeling-language/solver pair. I don't think that this will
be complete<br>
within the next 6 months, however.<br>
<br>
Bob Fourer<br>
4er@iems.northwestern.edu<br>
<br>
<br>
> -----Original Message-----<br>
> From: coin-discuss-bounces@list.coin-or.org [mailto:coin-discuss-<br>
> bounces@list.coin-or.org] On Behalf Of Leo Lopes<br>
> Sent: Friday, January 06, 2006 5:18 PM<br>
> To: Discussions about open source software for Operations Research<br>
> Subject: Re: [Coin-discuss] AMPL interface to CLP?<br>
> <br>
> You can use CLP from AMPL by generating LPFML files using a driver<br>
> than then invokes CLP via OSI. You can download the latest LPFML<br>
> distribution for this purpose. Since LPFML is no longer active pending<br>
> the release of the OSiL libraries, you might also consider writing<br>
> your own AMPL OSI driver, which should be fairly simple for the LP<br>
> case. There is a document on the AMPL web site that explains how to
do<br>
> it...<br>
> <br>
> Cheers,<br>
> Leo.<br>
> <br>
> On 1/6/06, Gardner Pomper <gardner@networknow.org> wrote:<br>
> > Hi,<br>
> ><br>
> > We would like to start using CLP for our ampl models. Does anyone
know if<br>
> > there is an AMPL interface for it? Is it just in the package,
or is it<br>
> > seperate?<br>
> ><br>
> > Thanks,<br>
> > - Gardner<br>
> ><br>
> ><br>
> > _______________________________________________<br>
> > Coin-discuss mailing list<br>
> > Coin-discuss@list.coin-or.org<br>
> > http://list.coin-or.org/mailman/listinfo/coin-discuss<br>
> ><br>
> ><br>
> ><br>
> <br>
> <br>
> --<br>
> ========================================================================<br>
> Leonardo B. Lopes
leo@sie.arizona.edu<br>
> Assistant Professor
(520)621-2342<br>
> SIE - University of Arizona http://www.sie.arizona.edu/faculty/leolopes<br>
> <br>
> _______________________________________________<br>
> Coin-discuss mailing list<br>
> Coin-discuss@list.coin-or.org<br>
> http://list.coin-or.org/mailman/listinfo/coin-discuss<br>
<br>
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