[libc-commits] [libc] [libc][math][c23] Add log10p1f16 C23 math function (PR #184739)

[via libc-commits]

zimmermann6 wrote:

I get a spurious underflow:
```
zimmerma at biscotte:~/svn/core-math$ CORE_MATH_CHECK_STD=true LIBM=$L ./check.sh log10p1f16
Running exhaustive check in --rndn mode...
Spurious underflow exception for x=0x1.26cp-13 (y=0x1p-14)
```

https://github.com/llvm/llvm-project/pull/184739