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[cgal-discuss] Bug with Delaunay triangulation in CGAL?


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  • From: LTH <>
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  • Subject: [cgal-discuss] Bug with Delaunay triangulation in CGAL?
  • Date: Mon, 18 May 2015 08:06:22 -0700 (PDT)

Hi all,

I have a small tool which does 2D Delaunay triangulation. The code is
written in VS2013 with CGAL 4.6. The used kernel is
Exact_predicates_inexact_constructions_kernel.
On my first system (Windows 7 x64, I7 CPU) everything is fine. When I
compile the same code on my second system (Windows 8.1 x64, Xeon CPU), I got
very strange results: in the Release mode of VS, the code works perfectly as
on the first system. But every times I simply run the .exe file, the results
of triangulation are totally different and wrong. I copy that .exe file and
run it on the first system, it works perfectly again.

Could anyone tell me what is wrong here? Why CGAL's results are different in
Windows 7 and 8.1. I can't change to
Exact_predicates_exact_constructions_kernel because of time performance and
some related codes is untouchable.



-----
Best and Regards.
LTH.
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