77 Ambiguous fdim(Ambiguous, Ambiguous){ return Ambiguous(); }  in fdim()  function
887     static_assert((std::is_same<decltype(std::fdim((float)0, (float)0)), float>::value), "");  in test_fdim()
888     static_assert((std::is_same<decltype(std::fdim((bool)0, (float)0)), double>::value), "");  in test_fdim()
889 …static_assert((std::is_same<decltype(std::fdim((unsigned short)0, (double)0)), double>::value), ""…  in test_fdim()
890 …static_assert((std::is_same<decltype(std::fdim((int)0, (long double)0)), long double>::value), "");  in test_fdim()
891 …  static_assert((std::is_same<decltype(std::fdim((float)0, (unsigned int)0)), double>::value), "");  in test_fdim()
892     static_assert((std::is_same<decltype(std::fdim((double)0, (long)0)), double>::value), "");  in test_fdim()
893 …static_assert((std::is_same<decltype(std::fdim((long double)0, (unsigned long)0)), long double>::v…  in test_fdim()
894     static_assert((std::is_same<decltype(std::fdim((int)0, (long long)0)), double>::value), "");  in test_fdim()
895 …static_assert((std::is_same<decltype(std::fdim((int)0, (unsigned long long)0)), double>::value), "…  in test_fdim()
896     static_assert((std::is_same<decltype(std::fdim((double)0, (double)0)), double>::value), "");  in test_fdim()
897 …static_assert((std::is_same<decltype(std::fdim((long double)0, (long double)0)), long double>::val…  in test_fdim()
898     static_assert((std::is_same<decltype(std::fdim((float)0, (double)0)), double>::value), "");  in test_fdim()
899 …static_assert((std::is_same<decltype(std::fdim((float)0, (long double)0)), long double>::value), "…  in test_fdim()
900 …static_assert((std::is_same<decltype(std::fdim((double)0, (long double)0)), long double>::value), …  in test_fdim()
903     static_assert((std::is_same<decltype(std::fdim((int)0, (int)0)), double>::value), "");  in test_fdim()
904     static_assert((std::is_same<decltype(fdim(Ambiguous(), Ambiguous())), Ambiguous>::value), "");  in test_fdim()
905     assert(std::fdim(1,0) == 1);  in test_fdim()