[libc-commits] [libc] [libc][math] Improve performance of double precision trig functions. (PR #111793)

[Nick Desaulniers via libc-commits]

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@@ -73,6 +73,26 @@ template <size_t N = 27> LIBC_INLINE constexpr DoubleDouble split(double a) {
   return r;
 }
 
+// Helper for non-fma exact mult where the first number is already splitted.
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nickdesaulniers wrote:

```suggestion
// Helper for non-fma exact mult where the first number is already split.
```

https://github.com/llvm/llvm-project/pull/111793