pytorch

2750ea25 - C++ API parity: Tanh

C++ API parity: Tanh Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/27536 Test Plan: Imported from OSS Differential Revision: D17835411 Pulled By: pbelevich fbshipit-source-id: c8984aec2f4bae48ff901fafc8c53a4122192ac5