pytorch

b14734d9 - Add bfloat16 to CPU cauchy_kernel, log_normal_kernel, exponential_kernel (#38427)

Add bfloat16 to CPU cauchy_kernel, log_normal_kernel, exponential_kernel (#38427) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/38427 Test Plan: Imported from OSS Differential Revision: D21640640 Pulled By: pbelevich fbshipit-source-id: 9cff8f6b5c33b3b31753c76fc8033d329b218019