[libc-commits] [libc] [llvm] [libc][math][c23] Add atan2f16 function (PR #183531)

[Xinlong Chen via libc-commits]

Xinlong-Chen wrote:

@lntue @bassiounix hello, this is a pr to implement atan2f16 function, PTAL when convenient~ I'm happy to address any feedback~

https://github.com/llvm/llvm-project/pull/183531