[Ipopt] intermediate_callback

[Jochen Siehr]

Hi Stefan,

a simple answer and it worked.

Thanks!

Jochen


Stefan Vigerske schrieb:
> Hi,
> 
> try adding
> #include "IpIpoptData.hpp"
> 
> Stefan
> 
> Jochen Siehr wrote:
>> Hi everybody:
>>
>> I'm using IPOPT for my PhD project. For getting access to the primal
>> variables after every iteration I'm using the method
>> "intermediate_callback" (as suggested in earlier discussions in this
>> mailing list) similar to
>>
>> //----------------------
>> OrigIpoptNLP* orignlp =
>> dynamic_cast<OrigIpoptNLP*>(GetRawPtr(ip_cq->GetIpoptNLP()));
>> TNLPAdapter* tnlp_adapter =
>> dynamic_cast<TNLPAdapter*>(GetRawPtr(orignlp->nlp()));
>>
>> double *x_current = new double[n];
>> tnlp_adapter->ResortX(*(GetRawPtr(ip_data->curr()->x())), x_current);
>>
>> for (Index i=0;i<n;i++)
>> cout << x_current[i] << endl;
>>
>> delete[] x_current;
>> // ---------------------
>>
>>
>> In IPOPT 3.6.0 everything works fine. But when I update to IPOPT 3.8.1
>> the following error occurs during compilation
>>
>> In member function 'virtual bool
>> my_NLP::intermediate_callback(Ipopt::AlgorithmMode, Ipopt::Index,
>> Ipopt::Number, Ipopt::Number, Ipopt::Number, Ipopt::Number,
>> Ipopt::Number, Ipopt::Number, Ipopt::Number, Ipopt::Number,
>> Ipopt::Index, const Ipopt::IpoptData*, Ipopt::IpoptCalculatedQuantities*)':
>> my_problem.cpp:1510: error: invalid use of incomplete type 'const struct
>> Ipopt::IpoptData'
>> /home/jsiehr/Ipopt-3.8.1/include/coin/IpTNLP.hpp:23: error: forward
>> declaration of 'const struct Ipopt::IpoptData'
>>
>> which obviously means
>> "tnlp_adapter->ResortX(*(GetRawPtr(ip_data->curr()->x())), x_current);"
>> is not working anymore. I guess a change in ip_data causes the problem
>> but I cannot figure out how to solve it.
>>
>> Is there any short explanation and remedy, or even an easier way to the
>> current variables by now?
>>
>> Many thanks!
>> Jochen
>>
>> _______________________________________________
>> Ipopt mailing list
>> Ipopt at list.coin-or.org
>> http://list.coin-or.org/mailman/listinfo/ipopt
>>
> 
> 

-- 
Jochen Siehr
http://www.siehr.net