Allow Average Pooling modules to accept tensors with 0-dim batch sizes. (#62025)
Summary:
This issue fixes a part of https://github.com/pytorch/pytorch/issues/12013, which is summarized concretely in https://github.com/pytorch/pytorch/issues/38115.
It introduces changes and tests for allowing the Average Pooling layers to accept tensors with 0 sized batch dimensions and return meaningful results.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62025
Reviewed By: VitalyFedyunin
Differential Revision: D30303256
Pulled By: jbschlosser
fbshipit-source-id: 5f727e62a7c58d2b8bb49fcc3bd7688474917ba5
