Seperate level1 elementwise functions from math (#16397)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16397
Seperate level1 elementwise functions from math
i-am-not-moving-c2-to-c10
Reviewed By: houseroad
Differential Revision: D13830626
fbshipit-source-id: e6e672647076dab8b3b24be181f580a1486250c9
