CGAL users discussion list

[Marius Kintel <>]

On Feb 20, 2015, at 14:55 PM, Sebastien Loriot (GeometryFactory) 
<>
 wrote:
> In the meantime you can try:
> #define CGAL_CT2_WANTS_TO_HAVE_EXTRA_ACTION_FOR_INTERSECTING_CONSTRAINTS
> #define CGAL_CDT2_EXTRA_ACTION_FOR_INTERSECTING_CONSTRAINTS throw 
> WhatEverException;
> 
> This will allow you to throw an exception if constraints intersect.
> 
Not sure that would make a difference. If those defines are not there, the 
default action is "CGAL_triangulation_assertion(false);”
..which throws an exception. The presence of this exception is what causes 
the later crash.

My understanding is that what we need is to _not_ throw _any_ exceptions in 
destructors, as that requires a guarantee that no existing exceptions can be 
active. Such a guarantee is probably hard or tedious to maintain.

 -Marius