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libcxx_old/test/std/numerics/rand/rand.eng/rand.eng.sub/seed_sseq.pass.cpp

52 lines
1.0 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <random>
// template<class UIntType, size_t w, size_t s, size_t r>
// class subtract_with_carry_engine;
// template<class Sseq> void seed(Sseq& q);
#include <random>
#include <cassert>
#include "test_macros.h"
void
test1()
{
unsigned a[] = {3, 5, 7};
std::seed_seq sseq(a, a+3);
std::ranlux24_base e1;
std::ranlux24_base e2(sseq);
assert(e1 != e2);
e1.seed(sseq);
assert(e1 == e2);
}
void
test2()
{
unsigned a[] = {3, 5, 7};
std::seed_seq sseq(a, a+3);
std::ranlux48_base e1;
std::ranlux48_base e2(sseq);
assert(e1 != e2);
e1.seed(sseq);
assert(e1 == e2);
}
int main(int, char**)
{
test1();
test2();
return 0;
}