sbodenstein edited a comment on issue #11984: Generalized broadcast_like operator URL: https://github.com/apache/incubator-mxnet/pull/11984#issuecomment-411049304 Ok, I think we are talking about different cases. Obviously, this PR shouldn't change this case: `mx.sym.broadcast_like()`. It should indeed "take the whole". This case is also being tested for. But the example I gave was not this, but the case where axes are specified with empty tuples as values: `mx.sym.broadcast_like(lhs_axes=(), rhs_axes=())`. I don't see any tests for this case. And the behaviour seems strange: `lhs_axes=(5,3)` means take two axes, `lhs_axes=(5,)` means take one axis, and `lhs_axes=()` means take all axes. I'm also happy if it just fails for the empty tuple case.
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