[libc-commits] [libc] [libc][math] Improve the performance of sqrtf128. (PR #122578)

[Chris B via libc-commits]

https://github.com/llvm-beanz requested changes to this pull request.

The issue of copyright notices in source files has come up a few times over the years. This is the first instance I'm aware of where someone adding one is insistent on keeping it, which is probably why we've gone so long without officially codifying our stance in the developer policy.

It has been the stance of the LLVM Project that we do not accept contributions with copyright notices in the source _unless_ the source is part of a separate open source project that is being included in the project in source form as a vendored dependency where the copyright statement is required to abide by the license terms (see LLVM's regex and MD5 implementations or libcxx's Unicode sources).

Due to the longevity of LLVM's codebase and the continual evolution of the code, embedded copyright notices rapidly become out of date and are cumbersome to maintain. Attempting to keep accurate per-file copyright notices could easily result in some files having hundreds if not thousands of copyright notices in the file headers, which is an extremely undesirable state. As a result the best way to track the copyright of contributions is through LLVM's revision control history.

As of #123463, this is now codified in the developer policy.

If you wish to contribute this PR to LLVM, the embedded copyright statement needs to be removed to comply with the clarified developer policy.

https://github.com/llvm/llvm-project/pull/122578