[libc-commits] [libc] [libc][math][c23] Add MPFR unit tests for {ceil, floor, round, roundeven, trunc}f16 (PR #94383)

[via libc-commits]

https://github.com/lntue commented:

`float16` usage inside `MPFRUtils.cpp` needs to be put under `LIBC_TYPES_HAS_FLOAT16` guard.

https://github.com/llvm/llvm-project/pull/94383