'How to make Mean curvature flow skeleton deterministic after every run?

When I run mean curvature flow skeletonization from cgal the resulting skeleton is always a bit different. I was wondering if there is a way to make the skeleton exact after each run (with fixed skeleton parameters ofcourse). Can some one point me to piece of code where this happens and I would like to fix this issue.

I saw someone post similar question earlier but the answer did not contain where exactly in cgal causes this problem. Here's a link to that discussion.



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