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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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50
test/language.support/support.limits/limits/numeric.limits.members/epsilon.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test numeric_limits
// epsilon()
#include <limits>
#include <cfloat>
#include <cassert>
template <class T>
void
test(T expected)
{
assert(std::numeric_limits<T>::epsilon() == expected);
assert(std::numeric_limits<const T>::epsilon() == expected);
assert(std::numeric_limits<volatile T>::epsilon() == expected);
assert(std::numeric_limits<const volatile T>::epsilon() == expected);
}
int main()
{
test<bool>(false);
test<char>(0);
test<signed char>(0);
test<unsigned char>(0);
test<wchar_t>(0);
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
test<char16_t>(0);
test<char32_t>(0);
#endif
test<short>(0);
test<unsigned short>(0);
test<int>(0);
test<unsigned int>(0);
test<long>(0);
test<unsigned long>(0);
test<long long>(0);
test<unsigned long long>(0);
test<float>(FLT_EPSILON);
test<double>(DBL_EPSILON);
test<long double>(LDBL_EPSILON);
}