On Sun, 22 Feb 2009, Douglas Bates wrote:
On Sun, Feb 22, 2009 at 3:05 PM, Douglas Bates <ba...@stat.wisc.edu> wrote:
There have been several messages on R-devel mentioning the interior
point optimization software Ipopt, https://projects.coin-op/Ipopt/.
This C++ library is released under a license called the Common Public
License.
I have two questions that readers of R-devel may be able to answer.
1) Would creating an Ipopt interface for R be duplicating existing
efforts? That is, has someone already done so or is already working
on this project.
2) Could a package incorporating Ipopt be released under some version
of the GPL or LGPL?
Also, according to the FSF, the CPL used in Ipopt is technically incompatible
with the GPL because of its choice of law clause.
-thomas
Thomas Lumley Assoc. Professor, Biostatistics
tlum...@u.washington.edu University of Washington, Seattle
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