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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 // subtract_with_carry_engine& operator=(const subtract_with_carry_engine&);
16 
17 #include <random>
18 #include <cassert>
19 
20 void
test1()21 test1()
22 {
23     typedef std::ranlux24_base E;
24     E e1(2);
25     e1();
26     E e2(5);
27     e2 = e1;
28     assert(e1 == e2);
29     assert(e1() == e2());
30     E::result_type k = e1();
31     assert(e1 != e2);
32     assert(e2() == k);
33     assert(e1 == e2);
34 }
35 
36 void
test2()37 test2()
38 {
39     typedef std::ranlux48_base E;
40     E e1(3);
41     e1();
42     E e2(5);
43     e2 = e1;
44     assert(e1 == e2);
45     assert(e1() == e2());
46     E::result_type k = e1();
47     assert(e1 != e2);
48     assert(e2() == k);
49     assert(e1 == e2);
50 }
51 
main()52 int main()
53 {
54     test1();
55     test2();
56 }
57