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simplex index 9223716361969802160 in filtration is larger than maximum index 36028797018963967 #678

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jbeuria opened this issue Sep 7, 2023 · 1 comment
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@jbeuria
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jbeuria commented Sep 7, 2023

Describe the bug

File "/home/server/.local/lib/python3.10/site-packages/gtda/homology/simplicial.py", line 1126, in _weak_alpha_diagram
Xdgms = ripser(dm, maxdim=self._max_homology_dimension,
File "/home/server/.local/lib/python3.10/site-packages/gph/python/ripser_interface.py", line 603, in ripser_parallel
res = _compute_ph_vr_sparse(
File "/home/server/.local/lib/python3.10/site-packages/gph/python/ripser_interface.py", line 51, in _compute_ph_vr_sparse
ret = gph_ripser.rips_dm_sparse(I, J, V, I.size, N, coeff,
OverflowError: simplex index 9223716361969802160 in filtration is larger than maximum index 36028797018963967

To reproduce

Steps to reproduce the behavior:
The number points ~ 1 million in point cloud causes so.

@jbeuria jbeuria added the bug Something isn't working label Sep 7, 2023
@matteocao
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@jbeuria do you have any clue how this can be fixed? It seems a generic error, possibly requiring to change the type of some indices. If you have ideas and can help with a PR, that would be great.

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