1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <random>
10
11 // template<class Engine, size_t w, class UIntType>
12 // class independent_bits_engine
13
14 // void discard(unsigned long long z);
15
16 #include <random>
17 #include <cassert>
18
19 #include "test_macros.h"
20
21 void
test1()22 test1()
23 {
24 std::independent_bits_engine<std::ranlux24, 32, unsigned> e1;
25 std::independent_bits_engine<std::ranlux24, 32, unsigned> e2 = e1;
26 assert(e1 == e2);
27 e1.discard(3);
28 assert(e1 != e2);
29 (void)e2();
30 (void)e2();
31 (void)e2();
32 assert(e1 == e2);
33 }
34
35 void
test2()36 test2()
37 {
38 std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e1;
39 std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e2 = e1;
40 assert(e1 == e2);
41 e1.discard(3);
42 assert(e1 != e2);
43 (void)e2();
44 (void)e2();
45 (void)e2();
46 assert(e1 == e2);
47 }
48
main(int,char **)49 int main(int, char**)
50 {
51 test1();
52 test2();
53
54 return 0;
55 }
56