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// independent_bits_engine(const independent_bits_engine&);
15
16#include <random>
17#include <cassert>
18
19#include "test_macros.h"
20
21void
22test1()
23{
24 typedef std::independent_bits_engine<std::ranlux24, 32, unsigned> E;
25 E e1;
26 (void)e1();
27 E 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
36void
37test2()
38{
39 typedef std::independent_bits_engine<std::ranlux48, 64, unsigned long long> E;
40 E e1;
41 (void)e1();
42 E e2 = e1;
43 assert(e1 == e2);
44 assert(e1() == e2());
45 E::result_type k = e1();
46 assert(e1 != e2);
47 assert(e2() == k);
48 assert(e1 == e2);
49}
50
51int main(int, char**)
52{
53 test1();
54 test2();
55
56 return 0;
57}
58

source code of libcxx/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/copy.pass.cpp