[libc-commits] [libc] [libc][math][c23] Implemented sinpif function correctly rounded for all rounding modes. (PR #97149)

[via libc-commits]

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@@ -437,6 +437,12 @@ class MPFRNumber {
     return result;
   }
 
+  MPFRNumber sinpi() const {
+    MPFRNumber result(*this);
+    mpfr_sinpi(result.value, value, mpfr_rounding);
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lntue wrote:

The presubmit bot failures show that `mpfr_sinpi` is missing there.  It looks like `mpfr_sinpi` is only available since MPFR 4.2.0.  Can you add a workaround for older MPFR versions?

https://github.com/llvm/llvm-project/pull/97149