[libc] [llvm] [libc][math][c23] Add fmaf16 C23 math function. (PR #130757)

[via llvm-commits]

================
@@ -2826,6 +2826,8 @@ libc_math_function(name = "floorf16")
 
 # TODO: Add fma, fmaf, fmal, fmaf128 functions.
 
+libc_math_function(name = "fmaf16")
+
----------------
lntue wrote:

@harrisonGPU you'll need to add extra dependency similar to `ffma` as above.

https://github.com/llvm/llvm-project/pull/130757