[libc-commits] [libc] [libc][C23][math] Implement cospif function correctly rounded for all rounding modes (PR #97464)

[via libc-commits]

zimmermann6 wrote:

I got a similar error with revision 94012aa:
```
Running exhaustive check in --rndd mode...
FAIL x=0x1.6c0008p+20 ref=0x0p+0 y=-0x0p+0
```
This is on a AMD EPYC 7282. I can send you my libllvmlibc.a by mail if you want.

https://github.com/llvm/llvm-project/pull/97464