pytorch

f3ead05d - hardtanh (#57750)

hardtanh (#57750) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/57750 Test Plan: Imported from OSS Reviewed By: huiguoo Differential Revision: D28425975 fbshipit-source-id: a5e3dfbd6c77c595528c052e0b4325ef452983eb