[Ipopt] Ipopt release 3.4.0

Paul Smith phhs80 at gmail.com
Fri Apr 25 20:07:55 EDT 2008

On Sat, Apr 26, 2008 at 12:15 AM, Andreas Waechter
<andreasw at watson.ibm.com> wrote:
>  Announcing Ipopt release 3.4.0:
>  *** Please note that the stable branch number has been upgraded from 3.3
>      to 3.4.
>      If you are using svn to update your copy of the stable version of
>      Ipopt, you need to switch to the new branch.  One way to do this is
>      with this command, executed in the base directory of your stable
>      checkout:
>      svn switch https://projects.coin-or.org/svn/Ipopt/stable/3.4
>  Summary of changes:
>  - added support to dynamically load HSL or Pardiso linear solvers at
>     runtime:
>     If Ipopt has been compiled without some HSL or Pardiso solver,
>     it can now load those solvers from a shared library at runtime
>     without recompilation.  This will make ditribution of binaries
>     easier.  Does not work on all platforms yet.
>     (Thanks for Stefan Vigerske for contributing this)
>  - several bugfixes
>  - ensured compilation of MSVS project files (v8 and v9)
>  - new special return code for square problems
>     (Feasible_Point_Found returned if dual inf not small)
>  - new initialization option for bound multipliers
>     (see option bound_mult_init_method)
>  - added simple penalty function line search option
>     (line_search_method=penalty) - not guaranteed to converge, see
>     Ipopt implementation paper (in MathProg)

Thanks, Andreas. When will the source tarball for 3.4.0 be available?


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