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szhorvat / IGraphM

IGraph/M is the igraph interface for Mathematica
http://szhorvat.net/mathematica/IGraphM
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IGTreeQ wrong result #90

Closed szhorvat closed 5 years ago

szhorvat commented 5 years ago

Wrong result from IGTreeQ:

g = Graph[
  Range[5], {1 \[UndirectedEdge] 4, 1 \[UndirectedEdge] 5, 
   2 \[UndirectedEdge] 4, 2 \[UndirectedEdge] 5}]

image

In[96]:= IGTreeQ[g]
Out[96]= True
szhorvat commented 5 years ago

Fixed in C core https://github.com/igraph/igraph/pull/1160