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libcxx_old/trunk/test/numerics/rand/rand.eng/rand.eng.lcong/seed_sseq.pass.cpp

32 lines
861 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template <class UIntType, UIntType a, UIntType c, UIntType m>
// class linear_congruential_engine;
// template<class Sseq> void seed(Sseq& q);
#include <random>
#include <cassert>
int main()
{
{
unsigned a[] = {3, 5, 7};
std::seed_seq sseq(a, a+3);
std::linear_congruential_engine<unsigned, 5, 7, 11> e1;
std::linear_congruential_engine<unsigned, 5, 7, 11> e2(4);
assert(e1 != e2);
e1.seed(sseq);
assert(e1 == e2);
}
}