CGAL users discussion list

[Laurent Saboret <>]

Hi Zohar,

Zohar Levi a écrit :
> Laurent,
>
> - About the taucs debug lib making a corrupted exe. Forget the crystal 
> ball, use Tarot cards instead. I'm using vc8 2005.

Please detail what you mean by a "corrupted exe". Is the problem at compilation or 
execution time? Do you get an error message from the compiler or the OS?

> - About the crash in taucs, it occurred in the 600 iteration in my app. 
> (damn, after running for 5 hours!), and will be harder to reproduce the 
> same configuration. I'm not eager to try the library further before we 
> fix the running time of the solver. I could send you my whole code, but 
> I'm afraid you'll have hard time using it, it's a maya plug-in.
>
> - About taus running very, very slow on small meshes. It's great that 
> you narrowed down the problem to a bug in CGAL, in TAUCS, or in my code. 
> I was starting to think there was a problem with my lucky rabbit foot 
> charm :). I'll try to encapsulate the code snippet I gave you inside a 
> working app. to prove my point. 

You are right. I do not have Maya and can't debug a Maya plug-in.
Thanks for trying to create a standalone application reproducing your problem.

> - About the memory leak in the parameterization. File 
> "fixed_border_parameterizer_3.h" procedure 
> check_parameterize_preconditions() line 407:
>
>         int genus = feature_extractor.get_genus();
>
> It blows up my memory after 700 iterations. I didn't pursue the bug 
> until the end, but I presume it is when you add a tag to the vertex 
> info, used as a visiting flag, and you never free it. Just run the 
> parameterize() procedure in a loop on the same polyhedron and watch how 
> the application memory increases.

Thanks for notifying me this memory leak. I will try to reproduce it.

Best regards,
--
Laurent Saboret
INRIA Sophia-Antipolis