Add sinc operator (#48740)
Summary:
Implements the sinc operator.
See https://numpy.org/doc/stable/reference/generated/numpy.sinc.html
Pull Request resolved: https://github.com/pytorch/pytorch/pull/48740
Reviewed By: ezyang
Differential Revision: D25597565
Pulled By: soulitzer
fbshipit-source-id: 6dbcf282ee4eba34930bc9e5c85c0c5e79cf0322
