CGAL users discussion list

[Andrei Zaharescu <>]

Hello,

I am using CGAL 3.3.1.. and I am using a standard.. non-modified

example (regular.cpp).. from the standard distro of CGAL.

regards,

Andrei.

p.s. the gcc is 4.0.1.

On 17-Oct-07, at 1:59 PM, Andreas Fabri wrote:

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

INRIA Rhone-Alpes ZIRST - 655, ave de l'Europe Montbonnot, 38330 - Saint Imsier Cedex

FRANCE

work:   +33 (0)4 76 61 55 81

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Andrei Zaharescu

Web: http://www.uncaughtexceptions.com

Phd Candidate

INRIA Rhone-Alpes 

ZIRST - 655, ave de l'Europe 

Montbonnot, 38330 - Saint Imsier Cedex

FRANCE

work:   +33 (0)4 76 61 55 81

fax:    +33 (0)4 76 61 54 54

mobile: +33 (0)6 74 20 88 16