[Bonmin-tickets] Re: [Bonmin] #2: Problem with different interfaces for Bonmin and Ipopt function get_starting_point

[Bonmin]

#2: Problem with different interfaces for Bonmin and Ipopt function
get_starting_point
-------------------+--------------------------------------------------------
Reporter:  phines  |        Owner:  pbonami   
    Type:  defect  |       Status:  closed    
Priority:  minor   |    Component:  component1
 Version:          |   Resolution:  fixed     
Keywords:          |  
-------------------+--------------------------------------------------------
Changes (by pbonami):

  * resolution:  => fixed
  * status:  assigned => closed

Old description:

> I am using Bonmin to perform mixed integer optimization, but I wanted to
> check my derivatives with Ipopt.  Ipopt and Bonmin have slightly
> different interfaces for the function get_starting_point.  When I had the
> Bonmin convection implemented (does not use init_z), but not the Ipopt
> one, Ipopt will call get_bounds_info(...) instead of
> get_starting_point(...).  This is VERY confusing. I spent 2 days trying
> to figure out why the inputs to get_bounds_info were strange, and why I
> kept getting segmentation faults.
>
> I would recommend that the two interfaces be reconciled, so that this
> type of error could be avoided in the future.
>
> thanks,
> -paul

New description:

 Thanks Paul. I update MyTMINLP.
 Pierre

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Ticket URL: <https://projects.coin-or.org/Bonmin/ticket/2>
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