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Scatter max bug with negative numbers
See original GitHub issueHi,
I tracked down a bug in version 1.0.4 when computing scatter_max on negative numbers. Is it fixed in master? Or is it expected behaviour?
>>> import torch
>>> import torch_scatter
>>> torch_scatter.scatter_max(torch.tensor([-.1, -.2, -.3]), torch.tensor([0, 1, 0]))
(tensor([0., 0.]), tensor([-1, -1])) # instead of (tensor([-.1, -.2]), tensor([0, 1]))
For now I shift my values to positive, apply max then shift back.
Thank you
Issue Analytics
- State:
- Created 5 years ago
- Comments:6 (3 by maintainers)
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It is expected behaviour. It can be bypassed by passing, e.g., fill_value=-1e16 as additional argument.
I see, the
fill_valuechanged recently to a large negative value. Callingscatter_max(src, index, fill_value=0)should print out the desired output. I will change theREADMEaccordingly.