Use numeric limits to define TensorTypeSet(FULL) representation (#31668)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/31668
This also removes an annoying warning about change of sign conversion
Test Plan: Run unit tests
Reviewed By: ezyang
Differential Revision: D19238631
fbshipit-source-id: 29b50abac635e530d5b0453c3a0f36a4573fbf5b