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histogramdd: ValueError: The first argument of bincount must be non-negative #8531

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david-hoffman opened this issue Jan 26, 2017 · 1 comment
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histogramdd: ValueError: The first argument of bincount must be non-negative #8531

david-hoffman opened this issue Jan 26, 2017 · 1 comment

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@david-hoffman
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This error occurs when using a large number of bins. It looks like the problem is windows specific and has to do with the fact that on windows long is 32 bit not 64 causing an overflow for large number of bins.

Specifically it looks like the problem is on line 981 xy = zeros(N, int). int should be changed to np.int64 or np.uint32 if possible.
@jaimefrio
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The correct type would be np.intp. Do you want to send a PR for this?

@eric-wieser eric-wieser mentioned this issue Mar 26, 2018
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eric-wieser added a commit to eric-wieser/numpy that referenced this issue Apr 7, 2018
@eric-wieser
BUG: Use intp for indices
c8a5f56 
Fixes numpygh-8531
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@jaimefrio @david-hoffman