round_error.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// ��������������������The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// This file is distributed under the University of Illinois Open Source 6bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// License. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// test numeric_limits 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// round_error() 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <limits> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cfloat> 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class T> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest(T expected) 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<T>::round_error() == expected); 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<const T>::round_error() == expected); 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<volatile T>::round_error() == expected); 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::numeric_limits<const volatile T>::round_error() == expected); 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bool>(false); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<char>(0); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<signed char>(0); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned char>(0); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<wchar_t>(0); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<char16_t>(0); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<char32_t>(0); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<short>(0); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned short>(0); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<int>(0); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned int>(0); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<long>(0); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned long>(0); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<long long>(0); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<unsigned long long>(0); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<float>(0.5); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<double>(0.5); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<long double>(0.5); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 51