1  #if __GNUC_PREREQ (13, 0)
       2  #  define USE_RINT_BUILTIN 1
       3  #  define USE_RINTF_BUILTIN 1
       4  #else
       5  #  define USE_RINT_BUILTIN 0
       6  #  define USE_RINTF_BUILTIN 0
       7  #endif
       8  #define USE_RINTL_BUILTIN 0
       9  #define USE_RINTF128_BUILTIN 0