CGAL users discussion list

[Eric Berberich <>]

Hi Peter,

have you tried a new version? Is the error fixed in there? Note that you 
don't have to use the shipped version of Core.

We had no plans to update the version, also because we have not been 
aware of problems so far. Can you elaborate in which situation with CGAL 
the error occurs?

eriC

On 12/9/14 12:23, Peter Palfrader wrote:
> Hi!
>
> CGAL 4.5 ships with and uses its own version (1.7) of the Core library.  I
> have run into what I believe is an issue with that version of Core and that
> just might be fixed in a newer Core release [1].
>
> Is anybody working on bringing a newer version of the Core library to CGAL?
> Are there any documents already describing using a newer version of Core with
> CGAL?
>
> Cheers,
> Peter
>
> 1: I get the following assertion error:
>    /usr/include/CGAL/CORE/BigFloat.h:249: int CORE::BigFloat::sign() const: Assertion 
> `(err() == 0 && m() == 0) || !(isZeroIn())' failed.