[libcxx-commits] [libcxx] [libc++][math] Mathematical Special Functions: Hermite Polynomial (PR #89982)

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@@ -51,6 +51,17 @@ Libc++ determines that a stream is Unicode-capable terminal by:
   <http://eel.is/c++draft/print.fun#7>`_. This function is used for other
   ``std::print`` overloads that don't take an ``ostream&`` argument.
 
+`[sf.cmath] <https://wg21.link/sf.cmath>`_ Mathematical Special Functions: Large indices
+----------------------------------------------------------------------------------------
+
+Most functions within the Mathematical Special Functions section contain integral indices.
+The Standard specifies the result for larger indices as implementation-defined.
+Libc++ pursuits reasonable results by choosing the same formulas as for indices below that threshold.
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PaulXiCao wrote:

I only check upto `n<128`. 
By the nature of it we can only check upto some finite value and this given value from the Standard seemed reasonable. Also note that our implementation does not distinguish between different orders (e.g. nothing like below/above any threshold). Do you think that we should increase the test coverage for the parameters?

https://github.com/llvm/llvm-project/pull/89982