[libc-commits] [libc] [libc][math] Add missing functions from issignaling family to math.yaml (PR #199357)

[via libc-commits]

Sukumarsawant wrote:

LGTM after moving it alphabetically instead of adding at the end of the file 
also remove issignalingbf16 from description too 

https://github.com/llvm/llvm-project/pull/199357