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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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test/numerics/rand/rand.eng/rand.eng.lcong/io.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.
//
//===----------------------------------------------------------------------===//
// <random>
// template <class UIntType, UIntType a, UIntType c, UIntType m>
// class linear_congruential_engine;
// template <class charT, class traits,
// class UIntType, UIntType a, UIntType c, UIntType m>
// basic_ostream<charT, traits>&
// operator<<(basic_ostream<charT, traits>& os,
// const linear_congruential_engine<UIntType, a, c, m>& x);
//
// template <class charT, class traits,
// class UIntType, UIntType a, UIntType c, UIntType m>
// basic_istream<charT, traits>&
// operator>>(basic_istream<charT, traits>& is,
// linear_congruential_engine<UIntType, a, c, m>& x);
#include <random>
#include <sstream>
#include <cassert>
int main()
{
{
typedef std::linear_congruential_engine<unsigned, 48271, 0, 2147483647> E;
E e1;
e1.discard(100);
std::ostringstream os;
os << e1;
std::istringstream is(os.str());
E e2;
is >> e2;
assert(e1 == e2);
}
}