#include <random>
#include <type_traits>
#include <cassert>
template <class T, T a, T c, T m>
void
test1()
{
typedef std::linear_congruential_engine<T, a, c, m> LCE;
typedef typename LCE::result_type result_type;
static_assert((LCE::multiplier == a), "");
static_assert((LCE::increment == c), "");
static_assert((LCE::modulus == m), "");
assert((LCE::min() == (c == 0u ? 1u: 0u)));
assert((LCE::max() == result_type(m - 1u)));
static_assert((LCE::default_seed == 1), "");
}
template <class T>
void
test()
{
test1<T, 0, 0, 0>();
test1<T, 0, 1, 2>();
test1<T, 1, 1, 2>();
const T M(~0);
test1<T, 0, 0, M>();
test1<T, 0, M-2, M>();
test1<T, 0, M-1, M>();
test1<T, M-2, 0, M>();
test1<T, M-2, M-2, M>();
test1<T, M-2, M-1, M>();
test1<T, M-1, 0, M>();
test1<T, M-1, M-2, M>();
test1<T, M-1, M-1, M>();
}
int main()
{
test<unsigned short>();
test<unsigned int>();
test<unsigned long>();
test<unsigned long long>();
}