[libc-commits] [libc] [libc][math] Implement correctly rounded double precision tan (PR #97489)

[Joseph Huber via libc-commits]

https://github.com/jhuber6 approved this pull request.

I can't vouch for the math implementation, but the patch looks good with a handful of nits.

https://github.com/llvm/llvm-project/pull/97489