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, size_t w, size_t s, size_t r>
13 // class subtract_with_carry_engine;
14 
15 // template <class charT, class traits,
16 //           class UIntType, size_t w, size_t s, size_t r>
17 // basic_ostream<charT, traits>&
18 // operator<<(basic_ostream<charT, traits>& os,
19 //            const subtract_with_carry_engine<UIntType, w, s, r>& x);
20 //
21 // template <class charT, class traits,
22 //           class UIntType, size_t w, size_t s, size_t r>
23 // basic_istream<charT, traits>&
24 // operator>>(basic_istream<charT, traits>& is,
25 //            subtract_with_carry_engine<UIntType, w, s, r>& x);
26 
27 #include <random>
28 #include <sstream>
29 #include <cassert>
30 
31 void
test1()32 test1()
33 {
34     typedef std::ranlux24_base 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 void
test2()46 test2()
47 {
48     typedef std::ranlux48_base E;
49     E e1;
50     e1.discard(100);
51     std::ostringstream os;
52     os << e1;
53     std::istringstream is(os.str());
54     E e2;
55     is >> e2;
56     assert(e1 == e2);
57 }
58 
main()59 int main()
60 {
61     test1();
62     test2();
63 }
64