OpInfo: `atan2` (#55132)
Summary:
Reference: https://github.com/pytorch/pytorch/issues/54261
Pull Request resolved: https://github.com/pytorch/pytorch/pull/55132
Reviewed By: gchanan
Differential Revision: D27505153
Pulled By: mruberry
fbshipit-source-id: 45430ad0a7efab0b32c945356aa49f45d0175f83
