[libcxx-commits] [libcxx] [libc++][math] Implement C++23 (parts of) P0533: constexpr `std::div()` (PR #104633)

[A. Jiang via libcxx-commits]

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@@ -63,11 +63,11 @@ long        abs(     long j);
 long long   abs(long long j);                                             // C++0X
 long       labs(     long j);
 long long llabs(long long j);                                             // C99
-div_t     div(      int numer,       int denom);
-ldiv_t    div(     long numer,      long denom);
-lldiv_t   div(long long numer, long long denom);                          // C++0X
-ldiv_t   ldiv(     long numer,      long denom);
-lldiv_t lldiv(long long numer, long long denom);                          // C99
+constexpr div_t     div(      int numer,       int denom);
+constexpr ldiv_t    div(     long numer,      long denom);
+constexpr lldiv_t   div(long long numer, long long denom);                          // C++0X
+constexpr ldiv_t   ldiv(     long numer,      long denom);
+constexpr lldiv_t lldiv(long long numer, long long denom);                          // C99
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frederick-vs-ja wrote:

Perhaps we should say `constexpr since C++23` (see also [`<string>`](https://github.com/llvm/llvm-project/blob/76161451f5ca837b25769c7d142f8271b45d9b28/libcxx/include/string)).

Also, as these lines are touched, I think it's better to say `C++11` instead of `C++0x`.

https://github.com/llvm/llvm-project/pull/104633