SV: [Coin-ipopt] C# bindings/interface for Ipopt or other NLP solver

Jens Pettersson 1233pettersson at
Mon May 9 07:14:35 EDT 2005

Dear Kirk,
We have implemented an interface to C# which works quite ok. Unfortunately I
am out of office for a couple of days so that I cannot send you the
If you are patient enough you might have it at the end of the week.

Bst Regards

-----Ursprungligt meddelande-----
Från: coin-ipopt-bounces at
[mailto:coin-ipopt-bounces at] För Kirk Abbott
Skickat: den 9 maj 2005 11:26
Till: coin-ipopt at
Ämne: [Coin-ipopt] C# bindings/interface for Ipopt or other NLP solver

Hello All,

I have been working on a C# interface for Ipopt
and have been having all kinds of trouble. Before,
I declare the problem to be a compiler bug, I was
wondering if anyone has successfully interfaced
C# callbacks (function, gradient routines implemented
in C#) registered with C/Fortran code in Ipopt.

The reason that I mention any another NLP solver is
they too would require callbacks as different than
a LP solver where once the problem is set up, no
further calls are required.

Please let me know.


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