Op info for activation functions 2 (softsign, tanh, tanhshrink, threshold, celu, sigmoid, mish, hardsigmoid) (#67492)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/67492
Reviewed By: zou3519
Differential Revision: D32282580
Pulled By: samdow
fbshipit-source-id: 115afe790328577357a90117bede3b6502590441
