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// <random>
11
12// template <class UIntType, UIntType a, UIntType c, UIntType m>
13//   class linear_congruential_engine;
14
15// template <class charT, class traits,
16//           class UIntType, UIntType a, UIntType c, UIntType m>
17// basic_ostream<charT, traits>&
18// operator<<(basic_ostream<charT, traits>& os,
19//            const linear_congruential_engine<UIntType, a, c, m>& x);
20//
21// template <class charT, class traits,
22//           class UIntType, UIntType a, UIntType c, UIntType m>
23// basic_istream<charT, traits>&
24// operator>>(basic_istream<charT, traits>& is,
25//            linear_congruential_engine<UIntType, a, c, m>& x);
26
27#include <random>
28#include <sstream>
29#include <cassert>
30
31int main()
32{
33    {
34        typedef std::linear_congruential_engine<unsigned, 48271, 0, 2147483647> E;
35        E e1;
36        e1.discard(100);
37        std::ostringstream os;
38        os << e1;
39        std::istringstream is(os.str());
40        E e2;
41        is >> e2;
42        assert(e1 == e2);
43    }
44}
45