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 UIntType, UIntType a, UIntType c, UIntType m>
12// class linear_congruential_engine;
13
14// template<class Sseq> void seed(Sseq& q);
15
16#include <random>
17#include <cassert>
18
19#include "test_macros.h"
20
21int main(int, char**)
22{
23 {
24 unsigned a[] = {3, 5, 7};
25 std::seed_seq sseq(a, a+3);
26 std::linear_congruential_engine<unsigned, 5, 7, 11> e1;
27 std::linear_congruential_engine<unsigned, 5, 7, 11> e2(4);
28 assert(e1 != e2);
29 e1.seed(sseq);
30 assert(e1 == e2);
31 }
32 {
33 unsigned a[] = {3, 5, 7, 9, 11};
34 std::seed_seq sseq(a, a+5);
35 typedef std::linear_congruential_engine<unsigned long long, 1, 1, 0x200000001ULL> E;
36 E e1(4309005589);
37 E e2(sseq);
38 assert(e1 == e2);
39 }
40
41 return 0;
42}
43

source code of libcxx/test/std/numerics/rand/rand.eng/rand.eng.lcong/seed_sseq.pass.cpp