41 Ambiguous cosh(Ambiguous){ return Ambiguous(); }  in cosh()  function
264     static_assert((std::is_same<decltype(std::cosh((float)0)), float>::value), "");  in test_cosh()
265     static_assert((std::is_same<decltype(std::cosh((bool)0)), double>::value), "");  in test_cosh()
266     static_assert((std::is_same<decltype(std::cosh((unsigned short)0)), double>::value), "");  in test_cosh()
267     static_assert((std::is_same<decltype(std::cosh((int)0)), double>::value), "");  in test_cosh()
268     static_assert((std::is_same<decltype(std::cosh((unsigned int)0)), double>::value), "");  in test_cosh()
269     static_assert((std::is_same<decltype(std::cosh((long)0)), double>::value), "");  in test_cosh()
270     static_assert((std::is_same<decltype(std::cosh((unsigned long)0)), double>::value), "");  in test_cosh()
271     static_assert((std::is_same<decltype(std::cosh((long long)0)), double>::value), "");  in test_cosh()
272     static_assert((std::is_same<decltype(std::cosh((unsigned long long)0)), double>::value), "");  in test_cosh()
273     static_assert((std::is_same<decltype(std::cosh((double)0)), double>::value), "");  in test_cosh()
274     static_assert((std::is_same<decltype(std::cosh((long double)0)), long double>::value), "");  in test_cosh()
277     static_assert((std::is_same<decltype(cosh(Ambiguous())), Ambiguous>::value), "");  in test_cosh()
278     assert(std::cosh(0) == 1);  in test_cosh()