[libc-commits] [libc] [libc][math] Add bit-rounding roundf implementation (PR #221648)

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@@ -104,6 +104,31 @@ LIBC_INLINE constexpr T floor(T x) {
   }
 }
 
+LIBC_INLINE constexpr float round(float x) {
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lntue wrote:

Doesn't look like this is float explicit.   You can use it to replace the current templated `round` function below.  Also add extra comments similar to the current implementation.

https://github.com/llvm/llvm-project/pull/221648