Clarify that when the divisor in div is zero and the dividend is integral, the behavior is undefined. (#25968)
Summary:
Currently when an integral tensor is divided by zero, it emits a
"floating point exception" (which can be different from system to
system). Clarify in the document that nothing would be guaranteed under
this circumstance.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25968
Differential Revision: D17888097
Pulled By: ezyang
fbshipit-source-id: 7c3ce3ac4080479d637cc2710b6aa3ae7e42431d
