[libc-commits] [libc] [llvm] [libc][math][c23] Add {, u}fromfp{, x}{, f, l, f128} functions (PR #86003)

[via libc-commits]

overmighty wrote:

I added tests for the fallback to `FP_INT_TONEAREST` when the value of the `rnd` argument doesn't match the value of any math rounding direction macro.

https://github.com/llvm/llvm-project/pull/86003