pytorch

cbdd55c6 - C++ API parity: Tanhshrink

C++ API parity: Tanhshrink Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/27537 Test Plan: Imported from OSS Differential Revision: D17835409 Pulled By: pbelevich fbshipit-source-id: ad4120cfe01ea2508bf3ce1054022a2da649ac74