OpInfo Ref: fmod, remainder (#61527)
Summary:
See https://github.com/pytorch/pytorch/issues/54261 for OpInfo tracker.
This PR:
* [x] Adds references to both `fmod` and `remainder` for testing.
* [x] Updates `remainder` documentation to add a note on divergence with `std::remainder`. (something similar to NumPy's note: https://numpy.org/doc/1.20/reference/generated/numpy.remainder.html), see: https://github.com/pytorch/pytorch/pull/61527#discussion_r670238788 for further discussion.
cc: mruberry
Pull Request resolved: https://github.com/pytorch/pytorch/pull/61527
Reviewed By: albanD
Differential Revision: D29841266
Pulled By: mruberry
fbshipit-source-id: be99851a94f53ea2fc07b64fd7c947775129658c
