[libc-commits] [libc] [llvm] [libc][math][c23] Add acosbf16 math function (PR #184633)

[via libc-commits]

lntue wrote:

> I get a failure:
> 
> ```
> zimmerma at croissant:~/svn/core-math$ CORE_MATH_STD_NAME=acosbf16 EXTRA_CFLAGS=-DCORE_MATH_UNDERFLOW_BEFORE CORE_MATH_CHECK_STD=true LIBM=$L ./check.sh acos_bf16
> Running exhaustive check in --rndn mode...
> FAIL x=inf ref=-nan y=0x0p+0
> ```

Sorry Paul, we will need to update our entry points to use the compiler's native bf16 type when available in order to test will the CORE-MATH test suites.  I will ping you when it's ready.

https://github.com/llvm/llvm-project/pull/184633