[libc-commits] [libc] [libc][math][c23] Add (l|ll)rintf128 and (l|ll)roundf128 math functions. (PR #84504)

[Nick Desaulniers via libc-commits]

https://github.com/nickdesaulniers approved this pull request.

I'm just now reading through Annex H which seems to define these.

`H.11.2 Functions` perhaps it what specifies these. Any idea what `_FloatN` vs `_FloatNx` means?

https://github.com/llvm/llvm-project/pull/84504