- converted from Common Public License to Eclipse Public License - some bugfixes from BuildTools
3.9.1
- improved Hessian update for restoration phase - added intermediate callback feature to C and Fortran interface
3.9.0
- switching to new BuildTools system - added R interface (contributed by Jelmer Ypma) - updates in AsNMPC (by Hans Pirnay)
3.8.3
- restated SolveStatistics::TotalCPUTime method for backward compatibility
3.8.2
- uses MUMPS version 4.9 and Lapack version 3.2.1 - added AsNMPC contribution made by Hans Pirnay - enhanced MA57 options - several bug fixes and minor additions
3.8.1
- Bugfix in NLP function evaluation timing measurement. The time for the objective function gradient had been forgotten.