Fix Categorical.logp with take_along_axis #3572
Merged
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This PR is essentially the same as #3563 but using
take_along_axis
instead oftt.choose
in order to prevent the issues #3564 and #3567. The minor problem was thattake_along_axis
is implemented innumpy
but not intheano
, so I had to add a port of numpy's implementation to theano in ourtheanof.py
script. I also added tests for the new theanof parts (these should be upstream in theano itself but given that theano is dead and they wont be cutting releases I think that it's better to keeptake_along_axis
here). This PR fixes #3535.