Not sure - I'll try it soon. Martin Davis, Senior Technical Architect Vivid Solutions Inc. www.vividsolutions.com Suite #1A-2328 Government Street Victoria, B.C. V8T 5G5 Phone: (250) 385 6040 - Local 308 Fax: (250) 385 6046
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > Sent: June 14, 2006 11:56 AM > To: GEOS Development List > Subject: Re: [geos-devel] QD (Quad-Double) Approach to Robustness > > > On Wed, Jun 14, 2006 at 11:40:00AM -0700, Martin Davis wrote: > > > > In any case, I'm not sure that JTS uses FP equals for > > > anything other > > > > than checking whether two points are *exactly* the > same. So this > > > > should be portable, I assume. > > > > I think you're misreading what I said. I meant that JTS > uses == (via > > equals2D) to test whether the *value* of two coordinates is exactly > > the same. Pointers don't enter into it. > > > > You absolutely should NOT try to replace those equality tests with > > "approximately equals". Approx equals may have a place in > some of the > > algorithms, but this needs to be carefully evaluated on a > case-by-case > > basis. > > Ok, so back to original problem: do you obtain a successful > result with JTS against the XML test I attached ? GEOS is > successfull or not depending on wheter or not Coordinate copy > constructor and/or assignment operator is inlined. > > --strk; > _______________________________________________ > geos-devel mailing list > geos-devel@geos.refractions.net > http://geos.refractions.net/mailman/listinfo/geos-devel > _______________________________________________ geos-devel mailing list geos-devel@geos.refractions.net http://geos.refractions.net/mailman/listinfo/geos-devel
