kbrix2000

In the mean time, I noticed that on branch "master" the problem was fixed by commit [Cbc_C_Interface::synchronizeParams (f25c45d)](https://github.com/coin-or/Cbc/commit/f25c45d188ce9cc2128be02966d4c5e8eb582b1a) provided by Samuel S. Brito. It would be very helpful to backport...

Yes, I agree, it seems that the interface in stable/2.10 does not support multiple threads via the C interface. Are there other options besides using files and the command line...

@jhmgoossens Thank you very much for your reply!

@jajhall Very helpful feature, thank you very much! Can I try IIS calculation already right now? I tried setting the option iis_strategy but did not see any effect. Is it...

Thanks for your quick reply. Ok, I see. Just let me know if you need another beta tester.

The method by Hager84 ([DOI: 10.1137/0905023](https://doi.org/10.1137/0905023)) estimates the condition number with respect to the l_1 norm. Out of curiosity: Is that what we need? HighamTisseur2000 ([DOI: 10.1137/S0895479899356080](https://doi.org/10.1137/S0895479899356080), [eprint](https://eprints.maths.manchester.ac.uk/321/1/covered/MIMS_ep2006_145.pdf)) propose a...

Ok, just let me know if I can help.