pytorch

3b254acd - support complex types for tanh_cuda and tanh_backward_cuda (#38786)

support complex types for tanh_cuda and tanh_backward_cuda (#38786) Summary: Builds on https://github.com/pytorch/pytorch/issues/37791 Pull Request resolved: https://github.com/pytorch/pytorch/pull/38786 Differential Revision: D21666138 Pulled By: anjali411 fbshipit-source-id: cbd313b8fd21109aadd614c60259b9dc505771a5