CGAL users discussion list

[Andreas Fabri <>]

Hi Andrei,

Please give us more context information.

What Release of CGAL
What kernel
Did you modify the example.
What input data did you use.

andreas

Andrei Zaharescu wrote:
> Hi everybody,
>
> I am encountering an error when using the CGAL library compiled with 
> optimization flags on mac intel (with -O1 or -O2 or -O3).
>
> Basically, if I try the provided examples from:
>
> /examples/Triangulation_2/regular
>
> I get some precondition violations. This does not happen when no 
> optimization flags are being used.
> Thanks in advance to everyone. The error occurs when invoking the    
> rt.is_valid() command.
>
> CGAL error: precondition violation!
> Expr: it1.e_ == it2.e_
> File: ../../include/CGAL/iterator.h
> Line: 563
> Explanation:
> terminate called after throwing an instance of 
> 'CGAL::Precondition_exception'
>   what():  CGAL ERROR: precondition violation!
> Expr: it1.e_ == it2.e_
> File: ../../include/CGAL/iterator.h
> Line: 563
> Abort trap
>
> Regards,
> Andrei.
>
>
>
>
> --
> Andrei Zaharescu
> Web: http://www.uncaughtexceptions.com
> Phd Candidate
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