[libc] [llvm] Refactor bf16addf to header only (PR #181230)

[Muhammad Bassiouni via llvm-commits]

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@@ -0,0 +1,27 @@
+//===-- Implementation header for bf16addf -------------------*- C++ -*-===//
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bassiounix wrote:

same as above

https://github.com/llvm/llvm-project/pull/181230