[libc-commits] [libc] [libc] Implement roundeven C23 math functions (PR #87678)

[via libc-commits]

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@@ -351,6 +351,12 @@ class MPFRNumber {
     return result;
   }
 
+  MPFRNumber roundeven() const {
+    MPFRNumber result(*this);
+    mpfr_roundeven(result.value, value);
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lntue wrote:

Just check `MPFR_VERSION_MAJOR >= 4` should be enough.

https://github.com/llvm/llvm-project/pull/87678