pytorch

18876b57 - Update backward formula for torch.dot and add backward definition for torch.vdot (#45074)

Update backward formula for torch.dot and add backward definition for torch.vdot (#45074) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/45074 TODO: Add R -> C tests in https://github.com/pytorch/pytorch/pull/44744 (blocked on some JIT changes) Test Plan: Imported from OSS Reviewed By: gchanan Differential Revision: D23975361 Pulled By: anjali411 fbshipit-source-id: 3512bd2962b588a198bc317673bd18cc96ac823f