b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
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, size_t w, size_t s, size_t r>
|
|
// class subtract_with_carry_engine
|
|
// {
|
|
// public:
|
|
// // types
|
|
// typedef UIntType result_type;
|
|
//
|
|
// // engine characteristics
|
|
// static constexpr size_t word_size = w;
|
|
// static constexpr size_t short_lag = s;
|
|
// static constexpr size_t long_lag = r;
|
|
// static constexpr result_type min() { return 0; }
|
|
// static constexpr result_type max() { return m-1; }
|
|
// static constexpr result_type default_seed = 19780503u;
|
|
|
|
#include <random>
|
|
#include <type_traits>
|
|
#include <cassert>
|
|
|
|
void
|
|
test1()
|
|
{
|
|
typedef std::ranlux24_base E;
|
|
static_assert((E::word_size == 24), "");
|
|
static_assert((E::short_lag == 10), "");
|
|
static_assert((E::long_lag == 24), "");
|
|
/*static_*/assert((E::min() == 0)/*, ""*/);
|
|
/*static_*/assert((E::max() == 0xFFFFFF)/*, ""*/);
|
|
static_assert((E::default_seed == 19780503u), "");
|
|
}
|
|
|
|
void
|
|
test2()
|
|
{
|
|
typedef std::ranlux48_base E;
|
|
static_assert((E::word_size == 48), "");
|
|
static_assert((E::short_lag == 5), "");
|
|
static_assert((E::long_lag == 12), "");
|
|
/*static_*/assert((E::min() == 0)/*, ""*/);
|
|
/*static_*/assert((E::max() == 0xFFFFFFFFFFFFull)/*, ""*/);
|
|
static_assert((E::default_seed == 19780503u), "");
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test1();
|
|
test2();
|
|
}
|