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igraph / python-igraph

Python interface for igraph
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shortest_paths error: Runtime to terminate it in an unusual way #28

Closed AbufoudaMohammed closed 4 years ago

AbufoudaMohammed commented 9 years ago

I am trying to call the shortest_paths() function for a relatively large network ( IGRAPH DN-- 13679 76741 -- ). Unexpectedly

, I got the following error:

"Assertion failed: q->stor_begin != 0, file c:\dev\igraph\igraph-0.6.5-msvc\src\dqueue.pmt, line 284

This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. "

what does this error mean?

here is the code: g = Graph.Read_Ncol('file.edgelist') g.delete_vertices(g.vs.select(_degree=0)) g.vs["color"] = "Green" summary(g)
t = time.time() g.shortest_paths() print time.time() - t

and here is a link to the network that I used when this error occurred: https://github.com/medoos/files/blob/master/network.rar

ntamas commented 9 years ago

This runs just fine for me in igraph 0.7.1 on Mac OS X. Please consider upgrading igraph to version 0.7.1 as you seem to be using 0.6.5 and the bug could have been fixed in the meanwhile. If the bug persists with 0.7.1, feel free to reopen this issue and then we'll investigate again.

AbufoudaMohammed commented 9 years ago

I've update the igraph to the version 0.7.1, but the same error appears again!

AbufoudaMohammed commented 9 years ago

Do I need to open a new issue or this issue will be reopened?

ntamas commented 9 years ago

I haven't had time to deal with it yet but now I've reopened the issue so at least it appears in the list of open issues for others. I'll try and reproduce it soon(ish).

ntamas commented 9 years ago

Still no luck - it's working fine for me on Mac OS X. Which OS are you using?

AbufoudaMohammed commented 9 years ago

Windows 8.1 64.

stale[bot] commented 4 years ago

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 14 days if no further activity occurs. Thank you for your contributions.