1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// test numeric_limits 11 12// infinity() 13 14#include <limits> 15#include <cfloat> 16#include <cassert> 17 18template <class T> 19void 20test(T expected) 21{ 22 assert(std::numeric_limits<T>::infinity() == expected); 23 assert(std::numeric_limits<const T>::infinity() == expected); 24 assert(std::numeric_limits<volatile T>::infinity() == expected); 25 assert(std::numeric_limits<const volatile T>::infinity() == expected); 26} 27 28extern float zero; 29 30int main() 31{ 32 test<bool>(false); 33 test<char>(0); 34 test<signed char>(0); 35 test<unsigned char>(0); 36 test<wchar_t>(0); 37#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 38 test<char16_t>(0); 39 test<char32_t>(0); 40#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 41 test<short>(0); 42 test<unsigned short>(0); 43 test<int>(0); 44 test<unsigned int>(0); 45 test<long>(0); 46 test<unsigned long>(0); 47 test<long long>(0); 48 test<unsigned long long>(0); 49#ifndef _LIBCPP_HAS_NO_INT128 50 test<__int128_t>(0); 51 test<__uint128_t>(0); 52#endif 53 test<float>(1.f/zero); 54 test<double>(1./zero); 55 test<long double>(1./zero); 56} 57 58float zero = 0; 59