pytorch

96aafc3c - C++ API parity: Softsign

C++ API parity: Softsign Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/27535 Test Plan: Imported from OSS Differential Revision: D17835408 Pulled By: pbelevich fbshipit-source-id: 8548deab91f6fe0f7285fdd919c25129ed042181