[libcxx-commits] [libcxx] [libcxx] Use `lgamma` rather than `lgamma_r` with LLVM libc (PR #109556)

[Petr Hosek via libcxx-commits]

petrhosek wrote:

> But we don't have `lgamma` either for non-GPU targets, so how does this work?

libc++ provides it's own implementation which uses `__builtin_lgamma`, see: https://github.com/llvm/llvm-project/blob/eaedbbc30ded7965f37cfa90149daf308656c299/libcxx/include/__math/gamma.h#L26-L38

https://github.com/llvm/llvm-project/pull/109556