[GitHub] [incubator-mxnet] szha commented on a change in pull request #15857: [Numpy] Added operator logaddexp; added support for zero-size tensor in BinaryBroadcastBackwardUseIn

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

szha commented on a change in pull request #15857: [Numpy] Added operator logaddexp; added support for zero-size tensor in BinaryBroadcastBackwardUseIn 
URL: https://github.com/apache/incubator-mxnet/pull/15857#discussion_r331834466
 
 

 ##########
 File path: python/mxnet/ndarray/numpy/_op.py
 ##########
 @@ -2537,3 +2537,51 @@ def ravel(x, order='C'):
         return _npi.reshape(x, -1)
     else:
         raise TypeError('type {} not supported'.format(str(type(x))))
+
+
+@set_module('mxnet.ndarray.numpy')
+def logaddexp(x1, x2, out=None):
+    """Logarithm of the sum of exponentiations of the inputs.
+    logaddexp(x1, x2, out=None)
+     Calculates ``log(exp(x1) + exp(x2))``. This function is useful in
 
 Review comment:
   new line above. and fix indentation

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