[Ipopt] Error using Casadi + IPOPT + Pardiso

[Stefan Vigerske]

Hi,

if you do not set the Ipopt print_level to 0 you may see more 
information on why the option was found invalid.
But the --with-pardiso argument of configure should take the linker 
flags for Pardiso (probably just the path to the library) as value. Just 
saying --with-pardiso is probably not doing anything.

Stefan

On 11/03/2024 13:50, roberto.willoughby at posgrad.ufsc.br wrote:
> Hello Everyone.
> 
> I am having some trouble trying to use Casadi + IPOPT + Pardiso, didn't
> find anything similar on the mailing list.
> 
> I am solving an optimization problem using Casadi with my Python code, I
> was originally using mumps, so it works well when I define:
> 
> opts = {'ipopt.print_level': 0, 'print_time': 0, 'ipopt.linear_solver':
> 'mumps'}
> 
> When I change to:
> 
> opts = {'ipopt.print_level': 0, 'print_time': 0, 'ipopt.linear_solver':
> 'pardiso'}
> 
> I get this error message:
> 
> .../casadi/core/optistack_internal.cpp:997: Assertion
> "return_success(accept_limit)" failed:
> Solver failed. You may use opti.debug.value to investigate the latest
> values of variables. return_status is 'Invalid_Option'
> 
> If I use any non-existent name as 'roberto' for the linear solver I get
> a different error, so I guess this is something related to the
> configuration.
> 
> I am using VSCode in Ubuntu, installed Atlas/lapack and Pardiso, then
> ./configure --with-pardiso and the make, everything went well.
> 
> Any idea of what could be missing?
> 
> Thanks in advance,
> 
> Roberto Willoughby.
> 
> 
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