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error of bbox.contains #499

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xiuliren opened this issue Sep 7, 2021 · 1 comment
Open

error of bbox.contains #499

xiuliren opened this issue Sep 7, 2021 · 1 comment
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bug The code is not performing according to the design or a design flaw is seriously impacting users.

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@xiuliren
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xiuliren commented Sep 7, 2021 •
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it seems that the Vec do not work with np.all

https://github.com/seung-lab/cloud-volume/blob/master/cloudvolume/lib.py#L764

np.all(Vec(False,True,True, dtype=bool))
*** TypeError: iteration over a 0-d array

this one works

np.all(np.asarray(Vec(False,True,True, dtype=bool)))
@william-silversmith
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william-silversmith commented Sep 7, 2021 •
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Huh, this is pretty interesting. I suspect this is at fault:

https://github.com/numpy/numpy/blob/v1.21.0/numpy/core/fromnumeric.py#L73

Vec is a subtype of ndarray, so type(obj) will switch away from the ufunc.reduce path. Is this a bug in numpy?

@william-silversmith william-silversmith added the bug The code is not performing according to the design or a design flaw is seriously impacting users. label Sep 7, 2021
@william-silversmith william-silversmith mentioned this issue Oct 7, 2021
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