pytorch

5fbec1f5 - Revert D18170996: Move type casting to c10/util/TypeCast.h

Revert D18170996: Move type casting to c10/util/TypeCast.h Test Plan: revert-hammer Differential Revision: D18170996 Original commit changeset: 41658afd5c0a fbshipit-source-id: 394e84bbc52bdd708609304261ffa1513a771d57