[Ipopt] Ipopt release 3.11.8

Greg Horn gregmainland at gmail.com
Mon Apr 14 09:54:20 EDT 2014

Hi Stefan,

When can we expect the debian packages to be updated?

Best regards,

On Tue, Apr 8, 2014 at 12:30 PM, Stefan Vigerske
<stefan at math.hu-berlin.de>wrote:

> Hi,
> I just created a new Ipopt maintenance release.
> This release includes an important fix for a bug that has been introduced
> (by me) with Ipopt 3.11.0 and could be responsible for difficult to debug
> convergence problems. If you were using Ipopt 3.11, it is suggested to
> update.
> Here is a list of changes (r1234 stands for a related svn changeset, #123
> for a ticket number in the trac bugtracking system):
> - fixed a bug, introduced with Ipopt 3.11.0, where the tag in the
>   Ipopt's caching mechanism was not unique over time, which lead to
>   failures of Ipopt that were difficult to debug or recognize
>   (e.g., Ipopt may have stopped with an restoration failure for
>   instances that solved fine with Ipopt 3.10) [r2472, r2473]
>   I'm very thankful to Gabriel Hackebeil and Kurt Majewski for their
>   debugging effort on this issue.
> - building Mumps with pthreads is now disabled by default [#229]
> - fixed setting of LD on Windows (now set to link only iff using
>   MS/Intel compilers) [#230]
> - fixed download link for Gnumex [r2471]
> - for some messages about too-few-degrees-of-freedom and restoration
>   failure, the message level changed from error to strong-warning
>   [r2460, r2469]
> - revised calls to MPI_Init and MPI_Finalize in Mumps interface [r2467]
>   (MPI_Init is now called only if function MPI_Initialized is available
>   and MPI has not been initialized already; MPI_Finalize is only called
>   if Ipopt also called MPI_Init; ...)
> The source tarballs should be available tomorrow.
> Enjoy,
> Stefan
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