Bugfix: Allow a singleton with self edge as input #5
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Joon-Klaps
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Hi,
I was running into an issue with clusty when I was giving it a file ANI file with only a single vertice & an edge to itself.
For example:
Originally, one would get the following error:
Clusty version 1.2.2-b687638 (2025-05-22) Loading pairwise distances from synth.singleton.ani ... input graph: 0 nodes, 1 edges filtered graph: 0 nodes, 0 edges time [s]: 0.0316375 Saving clusters (representatives = true)... 41 Segmentation fault (core dumped)I was wondering if it would be possible to implement the following fix:
parseBlockupdateMatrixmain.cppSorry if the PR looks messy, my linter deleted a bunch of unnecessary spaces. I can reinclude the spaces if you want to make the diff easier.