[libc-commits] [libc] [llvm] [libc][math] Implement single precision lgamma function (PR #205490)

[via libc-commits]

zimmermann6 wrote:

also:
```
zimmerma at croissant:~/svn/core-math$ CORE_MATH_CHECK_STD=true EXTRA_CFLAGS="-DCORE_MATH_CHECK_INEXACT -DCORE_MATH_SUPPORT_ERRNO" LIBM=$L ./check.sh lgammaf
Running exhaustive check in --rndn mode...
all ok
Running exhaustive check in --rndz mode...
Missing errno=ERANGE for x=0x1.896p+121 (y=0x1.fffffep+127)
Missing errno=ERANGE for x=0x1.898p+121 (y=0x1.fffffep+127)
```

https://github.com/llvm/llvm-project/pull/205490