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libcxx_old/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/default.pass.cpp

46 lines
1.1 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 Engine, size_t w, class UIntType>
// class independent_bits_engine
// explicit independent_bits_engine();
#include <random>
#include <cassert>
#include "test_macros.h"
void
test1()
{
std::independent_bits_engine<std::ranlux24, 32, unsigned> e1;
std::independent_bits_engine<std::ranlux24, 32, unsigned> e2(std::ranlux24_base::default_seed);
assert(e1 == e2);
assert(e1() == 2066486613);
}
void
test2()
{
std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e1;
std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e2(std::ranlux48_base::default_seed);
assert(e1 == e2);
assert(e1() == 18223106896348967647ull);
}
int main(int, char**)
{
test1();
test2();
return 0;
}