CGAL users discussion list

[Ben Supnik <>]

Hi Sylvain,

Aha!!  -frounding-math was it!!  Thank you!!!

Basically with -frounding-math 4.2.1 works even with -O3 and 0Os. :-)

-fno-rounding-math is listed as "experimental" in the man page...and yet 
it is the default - who knew??

Cheers
Ben





Sylvain Pion wrote:
> Ben Supnik a écrit :
> > Hi Sylvain,
> >
> > Happens with -O0.  Are there other things I should shut off to try to 
> > produce even more "basic" output?  My original test had only -I to 
> > find CGAL and the full path to the CGAL static archives.
>
> You should also not forget -frounding-math.
>
> Also, try CGAL 3.4.
>
> Then, give a full description of "the assertion failures".
>
> > cheers
> > ben
> >
> > Sylvain Pion wrote:
> > > Ben Supnik a écrit :
> > > > Hi Y'all,
> > > >
> > > > I've hit a case where I get assertion failures doing an 
> > > > insert_curves on the arrangement_2 class.  (Exact numeric type, 
> > > > segment traits with history, CGAL 3.3.1.)
> > > >
> > > > Here's the rub:
> > > >
> > > > On Linux (GCC 4.2.4) my code runs properly.
> > > >
> > > > On OS X (GCC 4.2.1 build 5566) my code hits a precondition violation.
> > > >
> > > > Has anyone hit this before?  Is anyone working with CGAL on a known 
> > > > good Mac compiler?
> > > >
> > > > I am building GCC 4.3.3 now to try that...
> > >
> > > Do compiler optimization options make a difference?

--
Scenery Home Page: http://scenery.x-plane.com/
Scenery blog: http://xplanescenery.blogspot.com/
Plugin SDK: http://www.xsquawkbox.net/xpsdk/
X-Plane Wiki: http://wiki.x-plane.com/
Scenery mailing list: 

Developer mailing list: