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

[Hendrik Hübner via libc-commits]

HendrikHuebner wrote:

Okay, I fixed the signed zero case. The buildbot passes now as well. My mpfr implementation for older mpfr version did not handle integer inputs correctly.

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