[libc-commits] [libc] [libc][math][c23] Add acospif16() function (PR #134664)

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overmighty wrote:

Tue is out of office until next week. I tested on an i7-10710U, and I think the test took 2 * 1700 ms with the workaround I suggested. I believe the Buildkite CI runs on hardware that is significantly faster, so it should be fine. I'll try to look into it later today.

https://github.com/llvm/llvm-project/pull/134664