Modified assertEqual to handle complex tensors (#33773)
Summary:
- Modified assertEqual to handle complex tensors
- added a test in test_torch.py to test torch.zeros
- added dispatch for complex for index_kernel, index_put_kernel
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33773
Differential Revision: D20135553
Pulled By: anjali411
fbshipit-source-id: f716604535c0447ecffa335b0fc843431397c988
