I have been trying the Boost version by Amr for some time, using Amr's unofficial geometry-3.0.0 version from github and the mapping package (also an unofficial version, but I'm the mapping pkg maintainer :-) ).
AFAICS it does work fine, reliably and fast.
Also the poly2fv function is very useful for graphical output.
If nothing else. I think that the poly2fv function (depends on the poly2tri library) and Amr’s implementation of all the tests from [1] and [2]. This makes it much easier to go ahead and compare implementations of various .oct files that implement polygon clipping/boolean operations.
For example, I just found a much more recent algorithm with a C++ interface [3] that claims to handle holes, self intersections, coincident edges, and coincident points well. This might be worth making a quick .oct file for to see how well it handles things.
John S.
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