Ensure we do not return an invalid anchor point during edge routing #325
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What it does
Fixes eclipse-glsp/glsp#1270
Basically the problem is that the
DiamondAnchor
may return an invalid point during its calculation if you give it an element which has as center the given refPoint, resulting in a 0-length PointToPointLine and ultimately to a division by zero.How to test
Follow-ups
Changelog