[libc-commits] [libc] [llvm] [libc][math][c23] Add sinbf16 function (PR #185441)

[via libc-commits]

zimmermann6 wrote:

I still get issues:
```
zimmerma at croissant:~/svn/core-math$ CORE_MATH_STD_NAME=sinbf16 CORE_MATH_CHECK_STD=true LIBM=/localdisk/zimmerma/llvm-project/build/runtimes/runtimes-bins/libc/lib/libllvmlibc.a ./check.sh sin_bf16
Running exhaustive check in --rndn mode...
Error, foo(sNaN=7f81) should be NaN, got 0x0p+0=0
```

https://github.com/llvm/llvm-project/pull/185441