pytorch

efd70b7c - Modernizes add and mul documentation (#63309)

Modernizes add and mul documentation (#63309) Summary: Fixes https://github.com/pytorch/pytorch/issues/39329. The documentation for torch.add and torch.mul was sorely out of date and even included deprecated references. This PR modernizes their descriptions consistent with torch.sub. Pull Request resolved: https://github.com/pytorch/pytorch/pull/63309 Reviewed By: ngimel Differential Revision: D30338004 Pulled By: mruberry fbshipit-source-id: ee1c2a8106af8341253cafb0003b06e8f652624d