CGAL users discussion list

[Pierre Alliez <>]

Dear Bernd,

in fact the current code is 10K lines and is running on windows only - 
perhaps I can push further my investigations before isolating the faulty 
part of the code.

Pierre


Gärtner Bernd a écrit :
> Dear Pierre,
>  
> upfront, I have no clue, but if you send me running code, I can look into it.
>  
> Best,
> Bernd.
>
> ________________________________
>
> Von: Pierre Alliez 
> [mailto:]
> Gesendet: Mi 26.11.2008 15:47
> An: 
>
> Betreff: [cgal-discuss] question about LP solver
>
>
>
> hello,
>
> I am using the QP solver in 3D to solve many many little linear programs.
> I am using CGAL::Gmpzf ET as exact number type and
> Exact_predicates_inexact_constructions_kernel as kernel.
>
> I encounter the following assertion when solving:
> CGAL_assertion(CGAL_NTS is_finite(d) && is_valid(d));
>
> into
>
>   Gmpzf( double d)
>   {
>     Protect_FPU_rounding<> P(CGAL_FE_TONEAREST);
>     if (d == 0) {
>       mpz_init (man());
>       e = 0;
>       return;
>     }
>     static int p = std::numeric_limits<double>::digits;
>     CGAL_assertion(CGAL_NTS is_finite(d) && is_valid(d));
>
>
> I have checked and all linear constraints are not degenerate, etc.
>
> Any hint about where this could come from?
>
> Any help would be much appreciate,
>
> Pierre
>
>
>
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--
Pierre Alliez
INRIA Sophia Antipolis - Mediterranee 
Project-team GEOMETRICA 
http://www-sop.inria.fr/members/Pierre.Alliez/
Tel: +33 4 92 38 76 77
Fax: +33 4 97 15 53 95