[GitHub] [incubator-mxnet] xidulu opened a new issue #17936: [Numpy] npx.gammaln does not handle type correctly

[GitBox <gi...@apache.org>]

xidulu opened a new issue #17936: [Numpy] npx.gammaln does not handle type correctly 
URL: https://github.com/apache/incubator-mxnet/issues/17936
 
 
   ```python
   >>> import scipy.special as ss
   >>> import numpy as np
   >>> np.array([1,2,3]).dtype
   dtype('int64')
   >>> ss.gammaln(np.array([1,2,3]))
   array([0.        , 0.        , 0.69314718])
   >>> from mxnet import np, npx
   >>> c = np.array([1,2,3]).astype('int32')
   >>> npx.gammaln(c)
   array([0, 0, 0], dtype=int32)
   ```

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