[libc] [llvm] [libc][math] Refactor log to header-only shared math (PR #175395)

[Muhammad Bassiouni via llvm-commits]

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bassiounix wrote:

This is not resolved. check https://github.com/llvm/llvm-project/blob/main/libc/src/__support/math/sincosf_float_eval.h for example of what I mean.

Notice the namespace nesting and the macro difference.

https://github.com/llvm/llvm-project/pull/175395