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

[Nikolas Klauser via libcxx-commits]

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@@ -610,6 +619,161 @@ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool __constexpr_isfinite(_A1 __lcpp_x)
   return __builtin_isfinite(__lcpp_x);
 }
 
+_LIBCPP_CONSTEXPR inline _LIBCPP_HIDE_FROM_ABI float __constexpr_copysign(float __x, float __y) _NOEXCEPT {
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philnik777 wrote:

This code looks like it's been accidentally re-added.

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